Chat with an AI agent that knows about my experience, skills, and projects.

About Me

I architect and build production AI platforms. Over 20 years in software development, from multi-protocol server frameworks

6 transport protocols: gRPC, SignalR, SSE, Streamable HTTP, WebSocket, REST
Session management with JWT and API key authentication
Automatic tool discovery and JSON schema validation

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to agentic chatbot platforms

LangChain/LangGraph orchestration with pluggable LLM providers
Planning coordination: ReAct, Plan-Execute, Adaptive strategy selection
Multi-turn security pipeline with prompt injection defense
Cross-platform frontends: React web, Flutter mobile/desktop

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to RAG-powered knowledge bases

14 chunking strategies for different document types
Hybrid retrieval combining BM25 keyword matching with dense vector search
RAPTOR hierarchical summarization for deep context
Trustworthy generation with hallucination detection

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. My current focus: enabling organizations to deploy LLM-powered systems

Multi-provider routing with factory-based gateway selection
Structured output generation with retry and validation
OpenTelemetry observability with correlation IDs
A/B testing frameworks for model evaluation

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with enterprise-grade reliability.

What I've Built

Production MCP server framework
- 6 transport protocols: stdio, REST, SSE, Streamable HTTP, SignalR, gRPC
- 12+ production example server implementations
- JWT and API key authentication with session management
- JSON schema validation for tool inputs and automatic tool discovery from assemblies
- LangChain/LangGraph integration with Python client support
.NET 9 C# gRPC SignalR MCP
View project →
for .NET 9 with multi-transport support, session management, and automatic tool discovery
Agentic chatbot platform
- LangChain/LangGraph orchestration with pluggable LLM and embedding providers
- Production RAG with 14 chunking strategies, hybrid retrieval, and hallucination detection
- Multi-turn security pipeline with prompt injection defense and risk-based capability restriction
- Streaming responses via SSE and WebSocket with real-time audio transcription
- Self-service admin portal for bot lifecycle management and knowledge versioning
- Cross-platform frontends: React web, Flutter mobile/desktop
Python LangChain FastAPI React Flutter
View project →
with LLM orchestration, production RAG, multi-turn security, and cross-platform frontends
MCP meta-tooling: servers that scaffold, build, and publish new MCP server projects from templates
Knowledge base platforms
- Hierarchical document organization with tagging and audit logging
- Semantic search via vector embeddings with dynamic Qdrant container management
- Conversational RAG interface for natural language queries
- Admin dashboard with file upload and version management
.NET 9 Python Qdrant React
View project →
with semantic search, hierarchical document management, and conversational RAG interfaces
Azure DevOps integration tools exposing DevOps operations as AI-callable MCP tools

Technical Foundation

Languages: C# (.NET 9), Python, TypeScript/React, Dart/Flutter

C# / .NET 9 — Primary. High-performance services, MCP frameworks, enterprise backend systems
Python — Primary. LangChain, LangGraph, FastAPI, Pydantic, AI/ML pipelines
TypeScript / React — Strong. Modern frontends, real-time chat interfaces, admin dashboards
Dart / Flutter — Strong. Cross-platform mobile and desktop applications
SQL — Strong. T-SQL, complex schemas, query optimization
C++ — Experienced. Performance-critical and security applications
Legacy — COBOL, Delphi, Visual Basic

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Architecture: iDesign Methodology

iDesign methodology with strict layered dependency direction
Protocol-based dependency inversion and composition over inheritance
Domain-Driven Design with bounded contexts
Strategy, Factory, Pipeline, Registry, and Adapter patterns
Microservices and event-driven architecture

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(trained by Juval Löwy), Clean Architecture, DDD

AI/ML: LangChain, LangGraph, RAG pipelines

LLM orchestration with multi-provider routing and streaming
RAG: 14 chunking strategies, hybrid retrieval, RAPTOR, RRF fusion, HyDE
Agentic patterns: ReAct, Plan-Execute, Adaptive planning, tool calling
Security: prompt injection defense, canary tokens, risk scoring, spotlighting
Vector databases: FAISS, Qdrant, Pinecone, Chroma, Weaviate
Multi-agent orchestration with recursive depth control

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, multi-agent orchestration, prompt engineering

Infrastructure: Docker, Azure, multi-protocol APIs

Docker and Docker Compose for containerized deployments
Azure cloud infrastructure and Azure AD authentication
Multi-protocol backends: gRPC, SignalR, SSE, Streamable HTTP, WebSocket, REST
OpenTelemetry + Elasticsearch observability with structured logging
CI/CD pipelines, cross-platform deployment (Linux, Mac, Windows)

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, OpenTelemetry

What I Believe In

Clean architecture and deliberate design decisions
Deterministic systems with well-defined failure boundaries
Code that communicates intent
Direct feedback and honest technical discourse

logan.venter@outlook.com |

+27 60 974 2113 / +27 76 414 0083

Senior AI/Platform Engineer

Telesure Investment Holdings (TIH) | Aug 2025 - Present

Contractor via DotCom Software Solutions

Architected a multi-project agentic AI platform
- Layered architecture: reusable framework library, chatbot service, administration portal, and shared DI infrastructure
- Protocol interfaces for all major contracts — gateways, engines, accessors, registries, routers
- Topological dependency resolution with circular dependency validation
- Strategy, Factory, Pipeline, Registry, and Adapter patterns throughout
iDesign Clean Architecture DDD SOLID Dependency Inversion
applying iDesign methodology with strict dependency direction and protocol-based dependency inversion
Designed and built production RAG pipelines
- 14 chunking strategies: recursive, semantic, sentence, fixed, markdown, HTML, code, table-aware, hierarchical, contextual, proposition, late, agentic, compression
- Hybrid retrieval combining dense vector search with BM25 keyword matching
- Score fusion via Reciprocal Rank Fusion (RRF) and weighted strategies
- RAPTOR hierarchical summarization for deep context understanding
- Trustworthy generation with confidence scoring and hallucination detection
- Fluent builder API with presets (Conversational, Production, High-Accuracy, Code Search, Research)
- Knowledge versioning with incremental updates and content hashing for change detection
RAG BM25 RRF RAPTOR HyDE Vector Search
with hybrid retrieval, hierarchical summarization, and hallucination detection
Implemented agentic planning and orchestration
- Planning coordinator with 3 strategies: ReAct (iterative reasoning), Plan-Execute (upfront planning), Adaptive (LLM auto-selects based on task complexity)
- Tool registry with automatic discovery, execution with retry logic, and canary token support
- Multi-model routing by engine type (agentic, planning, reflection, classification)
- MCP tool integration for external tool server composition
- Vector-backed conversation memory with semantic similarity
- Rolling window context management with fallback summarization
ReAct Plan-Execute Tool Calling MCP LangChain LangGraph
with tool calling, multi-model routing, and conversation memory
Applied enterprise security patterns
- Pluggable security pipeline with scanner adapter registry
- Multi-turn attack detection across conversation history
- Prompt injection scanning with pattern-based and semantic detection
- Risk accumulation and decay model with configurable thresholds
- Canary token management for data exfiltration detection
- Capability restriction and human escalation at risk thresholds
- Tool chain validation to prevent unauthorized operation sequences
Prompt Injection Defense Canary Tokens Risk Scoring Spotlighting
: multi-turn attack detection, prompt injection defense, and risk-based capability restriction
Integrated multiple LLM and embedding providers
- 4 LLM gateway implementations with unified interface: streaming and non-streaming generation
- 3 embedding gateway implementations with unified embed() contract
- Factory pattern for runtime provider selection from configuration
- 6 vector store integrations with semantic caching layer
Anthropic Azure OpenAI Ollama FAISS Qdrant Pinecone Chroma Weaviate
with factory-based routing and graceful degradation
Built a self-service administration portal
- Multi-step bot creation wizard with real-time validation and SSE progress streaming
- LLM-powered auto-generation of bot personality, system prompt, and greetings from document analysis
- Knowledge base versioning with incremental updates: delta detection, embedding reuse for unchanged content
- Agent deployment management with port allocation and health monitoring
- In-browser chat playground for testing deployed agents
- Dashboard with health status, usage metrics, and error logs
React TypeScript FastAPI SSE Vite
for bot lifecycle management, knowledge versioning, and deployment orchestration
Designed observability infrastructure
- Multi-destination logging: console, file, and Elasticsearch via OpenTelemetry
- Request correlation IDs propagated across service boundaries
- A/B testing framework with experiment/variant management and assignment tracking
- Centralized Elasticsearch + Kibana stack shared across all services
OpenTelemetry Elasticsearch Kibana A/B Testing
with structured logging, correlation IDs, and A/B testing metrics
Built production chatbot service
- SSE and WebSocket streaming for real-time response delivery
- Real-time audio transcription via WebSocket
- Multi-bot routing with hot-reload YAML-based bot discovery
- Side-by-side A/B response comparison for model evaluation
- Conversation persistence with SQLite and rolling window context management
- Multi-provider auth middleware (Azure AD, JWT, API key) with RBAC
FastAPI SSE WebSocket React RBAC Docker
with streaming responses, real-time audio transcription, multi-bot routing, and cross-platform frontends
Leading technical architecture decisions and mentoring team members on AI/ML and clean architecture best practices

Senior Software Developer

Derivco | Nov 2018 - Jun 2025

Led technical development of internal AI initiative, creating a dynamic prompt generation system
- JSON-based prompt definitions interpreted at runtime for customizable, reusable prompts
- Integrated with OpenAI API for automated content generation workflows
for OpenAI API integration.
Architected LLM-powered automation tools
- Automated test generation reducing SDET manual effort
- AI-assisted code review workflows for quality and consistency
for SDET and code review workflows.
Applied iDesign architectural methodology
- Formal training under Juval Löwy, creator of iDesign
- Decomposition into Managers, Engines, Resource Accessors, and Utilities
- Strict layered dependency direction with protocol-based contracts
to create maintainable, scalable backend systems.
Led the technical development, release, and maintenance of end-to-end software systems
- Full ownership from requirements through design, implementation, testing, and production deployment
- Coordinated cross-team releases across multiple dependent services
- Maintained high-availability systems in the online gaming industry
C# .NET SQL Server REST APIs
in the online gaming industry.
Drove CI/CD pipelines
- Automated build, test, and deployment workflows
- Standardised branching strategies and merge policies
- Integrated automated testing gates to enforce quality before release
TeamCity Octopus Deploy Git
and technical roadmap for multiple software products.
Assessed complexity, scope, risk, and engineering effort for significant software development projects.
Contributed to architecture roadmaps
- Ensured adherence to iDesign decomposition and layering principles
- Reviewed and guided system design for new features and services
- Drove alignment between technical strategy and business objectives
, ensuring adherence to established standards and principles.
Mentored junior developers, providing guidance and support.

Key References:

Chris Coetzee: +27 82 548 8817
Ockert Du Preez: +27 72 829 0170
Paul Kotze: +27 82 901 7953
Albie van Zyl: +27 79 492 5393
Gopi Kistasami: +27 83 616 1371

Senior Software Developer GMIC.Net (Consultant)

Dynamic Visual Technologies (Pty) Ltd | May 2016 - Nov 2018

Developed new features and critical bug fixes on the GMIC.Net platform
- Enterprise .NET application serving the mining and minerals industry
- Multi-layered architecture with WCF services, business logic, and data access tiers
- Complex domain logic for commodity tracking, compliance, and reporting
C# .NET WCF SQL Server
as per client requirements.
Handled continuous integration
- Managed automated build pipelines on client-hosted infrastructure
- Configured build triggers, artefact publishing, and deployment steps
- Maintained build health and resolved pipeline failures
(build) processes on clients' preferred platform.
Managed branches and releases
- Git-based branching strategy with feature, release, and hotfix branches
- Coordinated merge workflows across multiple development streams
- Orchestrated releases to production after QA sign-off
Git Release Management
using Git.
Collaborated closely with Quality Assurance on quality-related problems and bugs.
Managed sprint goals and workload in coordination with project manager, product owner, and team capacity.
Executed system integrations
- Integrated GMIC.Net with third-party systems at client sites
- Handled data synchronisation, API integration, and cross-system workflows
between various systems at client sites.
Participated in technical discussions and design sessions relating to product development.

Key Reference:

Khumo Jele: +27 81 447 9732

Software Developer/Windows Team Lead

Seecrypt (Pty) Ltd | Apr 2015 - May 2016

Developed new features and bug fixes on the Seecrypt SC3
- Secure encrypted communications application for voice, messaging, and file transfer
- End-to-end encryption with military-grade security protocols
- Cross-platform support targeting Windows desktop, phone, and tablet
Encryption Secure Comms VoIP
encrypted communications application.
Developed with a multi-language tech stack
- C# for application logic and UI layer
- C++ for performance-critical cryptographic operations
- WPF for desktop UI with rich XAML-based interfaces
- Silverlight for cross-platform web-based client
C# C++ WPF Silverlight XAML
including C#, C++, WPF, and Silverlight.
Implemented encrypted local storage
- SQLite with SQLCipher extension for transparent AES-256 database encryption
- Secure storage of message history, contacts, and session data
- Key management for per-user encrypted database instances
SQLite SQLCipher AES-256
using SQLite-SQLCipher.
Managed CI/CD with Bamboo and Stash
- Bamboo build server for automated build and test pipelines
- Stash (Bitbucket Server) for Git repository hosting and code review
- Automated deployment to Windows Store after QA sign-off
Bamboo Bitbucket Git Windows Store
, releasing to Windows Store after QA sign-off.
Led the Windows team as team lead
- Managed sprint goals and workload in coordination with scrum master and product owner
- Drove regular bug-bashes with QA to maintain quality standards
- Contributed to cross-team design sessions with other team leaders
- Assisted team members with debugging and new feature development
Scrum Team Leadership
, coordinating with scrum master, product owner, and QA.

Key References:

Annalinde Singh: +27 76 640 4766
Dino Fizzotti: +44 734 041 5199

Director

Covariant Consulting (Pty) Ltd | Jun 2014 - Mar 2015

Attended and assisted in design meetings regarding the implementation of the UDCS system
- UD Truck Customer Service system for dealer network management
- End-to-end solution covering service scheduling, parts ordering, warranty claims, and dealer communication
C# .NET SQL Server
.
Integrated the UDCS front-ends and back-ends into Syspro ERP
- Syspro integration for finance, inventory management, and business reporting
- Data synchronisation between UDCS and Syspro modules
- Custom reporting solutions bridging both systems
Syspro ERP Integration SQL Server
for finance, inventory, and reporting purposes.
Implemented database, data-access, business logic, and rules for the full UDCS system.
Performed testing and verification of all implemented code on a standalone QA system.
Managed deployment and verification of new functionality and bug fixes after QA sign-off.
Maintained software and data fixes as needed and provided dealer support.

Key Reference:

Ronete McKenzie: +27 61 682 2350

Software Developer

UD Trucks Southern Africa (Pty) Ltd | Mar 2012 - May 2014

Designed and implemented the UDCS system
- Core system architecture for dealer customer service operations
- Full-stack implementation: database schema, stored procedures, data access layer, business rules, and front-end
- Standalone QA environment for isolated testing and verification
C# .NET SQL Server
architecture and integration.
Integrated UDCS with Syspro ERP
- Bi-directional data flow between UDCS and Syspro finance and inventory modules
- Automated reporting pipelines for business intelligence
Syspro ERP Integration
for finance, inventory, and reporting.
Managed deployment and verification of new functionality and bug fixes after QA sign-off.
Maintained software and data fixes as needed and provided dealer support.

Key Reference:

Ronete McKenzie: +27 61 682 2350

Software Developer

Enermatics (Pty) Ltd | Jun 2011 - Mar 2012

Designed and implemented the Wattkeeper system
- Energy management platform for monitoring and controlling electrical consumption
- Real-time data collection from smart meters and energy monitoring devices
- Web-based dashboard for usage analytics, billing, and reporting
C# .NET Energy Management IoT
front-end and back-end, including database, data-access, and business logic.
Implemented device communication protocols
- Serial and TCP/IP communication with energy monitoring hardware
- Protocol adherence as specified by device engineers
- Data parsing, validation, and storage of meter readings
Device Protocols Serial Comms TCP/IP
for communicating with energy monitoring devices.
Performed testing and verification of all implemented code on a standalone QA system.
Managed deployment and verification using Hudson build server
- Automated build and deployment pipelines (Hudson, precursor to Jenkins)
- Continuous integration for build verification and automated testing
Hudson CI/CD
.
Assisted with client queries and billing cycles.

Key Reference:

Melissa Wittstock: +27 82 750 0065

Software Developer

Infotech (Pty) Ltd | Jun 2009 - May 2011

Designed and implemented the Wattkeeper system
- Initial development of the energy management platform later continued at Enermatics
- Full-stack implementation: database schema, data access layer, business rules, and web front-end
- Foundation architecture for device data collection and energy analytics
C# .NET Energy Management
front-end and back-end, including database, data-access, and business logic.
Implemented device communication protocols
- Communication with energy monitoring hardware per device engineer specifications
- Data ingestion pipelines for real-time meter readings
Device Protocols IoT
as specified by device engineers.
Performed testing and verification of all implemented code on a standalone QA system.
Managed deployment and verification using Hudson build server
- Automated build pipelines with Hudson (precursor to Jenkins)
- Build verification and deployment automation
Hudson CI/CD
.

Key Reference:

Melissa Wittstock: +27 82 750 0065

Programmer

Information Trade World | Feb 2007 - May 2009

Managed projects and client relationships.
Developed applications in Visual Basic and Delphi
- Desktop application development with Visual Basic 6 and Delphi
- Database-driven business applications with MS Access and SQL backends
- Website development for client-facing web presence
Visual Basic Delphi Web Development
, along with website development.
Designed, developed, and maintained COBOL programs
- Mainframe COBOL development for client business systems
- Batch processing, report generation, and data transformation
- Full lifecycle: design, development, implementation, and maintenance
COBOL Mainframe Batch Processing
as per client requirements.
Handled client system management, including scheduling, planning of client jobs, and writing progress reports.

Key Reference:

Maria Jacobs: +27 74 254 6027

Administrative Officer

City of Tshwane Metropolitan Municipality | Mar 2004 - Feb 2007

Checked and controlled payment vouchers for goods and services, ensuring all legal documents were attached and correct.
Ensured contracts with retention monies complied with General Conditions of Contract.
Verified correct foreign exchange covers were obtained.
Ensured all payments including retention monies were correctly paid in accordance with contract conditions.
Provided a counter service to internal departments for cheque collection.
Printed cheques as required.
Oversaw the overall status of filed documents and managed contents, archiving when necessary.
Assisted departments with queries regarding payment status.
Assisted with all IT related problems, sometimes resolving them immediately.
Performed general administrative services.

Key Reference:

Martie J. Matthee: +27 12 358 8269

Graphic Designer / Sign Writer

Marnet Signs | Nov 2003 - Feb 2004

Created signboards and vehicle signage with graphical processing software.
Incised vinyl for signs using a graphical plotter.
Weeded superfluous vinyl from backing sheets.
Applied vinyl onto various boards and vehicles to create the actual sign.
Ordered materials required for projects as necessary.
Obtained materials from various suppliers with personal vehicle.
Oversaw and helped with the actual erection of signage.

Key Reference:

Martie Roberts or Eddie Bekker: +27 12 734 4990

Data Capturing Clerk

Books-u-profit | Apr 2003 - Jul 2003

Performed general administration services (filing, arranging appointments, etc.).
Captured all invoices, receipts, and financial documents of clients onto a computer, using Pastel 6 accounting software.

Key Reference:

Dries Venter: Tel: +27 12 800 3327, Cell: +27 83 449 7047

Graphic Designer / Sign Writer

Nexor Signs | Dec 2002 - Mar 2003

Created signboards and vehicle signage with graphical processing software.
Incised vinyl for signs using a graphical plotter.
Weeded superfluous vinyl from backing sheets.
Applied vinyl onto various boards and vehicles to create the actual sign.
Assisted with actual erection of signage.

Key Reference:

Dries du Plessis: +27 12 333 3384

Diploma in C++ Programming

Intec College

Maintained an average of 73.1%, the highest score obtained in the history of the institution as of 2006.

Subjects:

Introduction to programming
Introduction to C++
C++ Programming
Advanced C++ Programming
Systems Analysis & Design
Management Information Systems.

Grade 12 (Matric with Merit)

Goudrif High and Elsburg Primary

Subjects:

Afrikaans: First Language HG - C
English: Second Language HG - A
Physical Science - D
Accounting - C
Computer Studies - B
Mathematics - E

Recipient of the Computer Training Institute floating trophy for the best student in computer studies (2002).

Completed entire Matric Computer Studies syllabus in Grade 10 and coded first primitive graphics program in the same year.

Programming Languages

C# & .NET 9 Ecosystem

Primary specialty. Architecting and developing high-performance, scalable back-end services, APIs, and AI platform frameworks. Deep expert-level proficiency from legacy .NET Framework through to .NET 9.

Python (LangChain, LangGraph, FastAPI)

Building agentic chatbot platforms and RAG orchestration services with LangChain/LangGraph for LLM orchestration, FastAPI for backend APIs, and Pydantic for data validation.

TypeScript / React

Building modern frontend interfaces for AI platforms, admin dashboards, and real-time chat applications with streaming support.

Dart / Flutter

Cross-platform mobile and desktop chat interfaces with real-time SSE/WebSocket streaming integration.

SQL (T-SQL/General)

Designing and implementing complex database schemas, writing optimized queries, and ensuring data integrity for mission-critical systems.

C++

Performance-critical components in secure communications applications, interfacing directly with low-level libraries and protocols.

Legacy & Other (COBOL, Delphi, VB)

Foundational experience in maintaining and developing for legacy systems, demonstrating broad adaptability across programming paradigms.

Frameworks & Methodologies

AI/ML Engineering

LangChain, LangGraph, Model Context Protocol (MCP), RAG pipelines

14 chunking strategies: recursive, semantic, sentence, fixed, markdown, HTML, code, table-aware, hierarchical, contextual, proposition, late, agentic, compression
Hybrid retrieval combining BM25 keyword matching with dense vector search
Score fusion via Reciprocal Rank Fusion (RRF) and weighted strategies
RAPTOR hierarchical summarization for multi-level context understanding
HyDE (Hypothetical Document Embeddings) for semantic intent matching
ColBERT late interaction for fine-grained token-level relevance
Graph RAG for relationship-aware retrieval
Deep search patterns for multi-step retrieval
Trustworthy generation with confidence scoring and hallucination detection
Fluent builder API with presets: Conversational, Production, High-Accuracy, Code Search, Research
Query transformation and expansion for improved recall
Document ingestion pipeline with metadata extraction and versioning

, agentic orchestration

Planning coordinator with 3 strategies: ReAct (iterative reasoning), Plan-Execute (upfront planning), Adaptive (LLM auto-selects based on task complexity)
Tool registry with automatic discovery, execution with retry logic, and canary token support
Multi-model routing by engine type: agentic, planning, reflection, classification
LLM provider registry for runtime model selection and fallback
MCP tool loader for external tool server composition via Model Context Protocol
Vector-backed conversation memory with semantic similarity search
Structured output generation with retry logic and validation steps

, AI security

Agent security monitor with risk accumulation and decay over conversation turns
Multi-turn attack detection tracking escalation patterns across conversation history
Risk scoring with configurable thresholds triggering capability restriction or human escalation
Prompt injection scanning with pluggable scanner adapter registry
Canary token management for data exfiltration detection
Tool chain validation preventing unauthorized operation sequences
Input sanitization and spotlighting (user input wrapped in security delimiters)
Output filtering detecting system prompt leakage patterns

, context management

Rolling window manager with sliding window over conversation history
Fallback summarization when context exceeds window limits
Context assembly for RAG results with relevance-based selection
Conversation reranking and compression for long conversations

, Vector Databases (Qdrant, FAISS, Pinecone, ChromaDB, Weaviate), Prompt Engineering, Semantic Search, Embeddings, multi-agent systems

Hierarchical agent orchestration with recursive depth control
30 specialized agents covering backend (8 languages) and frontend (4 frameworks)
Master orchestrators coordinating review and fix agents
Bounded scope per agent preventing context fragmentation

, A/B Testing.

Multi-Protocol Backend Architecture

Designing and implementing APIs across gRPC, SignalR, Server-Sent Events (SSE), Streamable HTTP, WebSocket, and REST. Building multi-transport server frameworks that support session management, authentication, and automatic tool discovery.

Frontend & Mobile

React, TypeScript, Flutter, Dart, Tailwind CSS. Building real-time streaming interfaces for AI chat platforms across web and mobile.

DevOps & Infrastructure

Docker, Docker Compose, Rancher, Azure, CI/CD Pipelines, cross-platform containerized deployments (Linux, Mac, Windows). Driving continuous integration and delivery pipelines using Azure DevOps.

Observability & Metrics

OpenTelemetry, Elasticsearch, Kibana, structured logging with correlation IDs, A/B testing frameworks

Experiment and variant management with assignment tracking
Metric collection and analysis for model evaluation
Side-by-side response comparison for provider benchmarking

.

Testing

xUnit, Vitest, integration testing, architecture testing. Building test generation tools powered by LLMs to reduce QA burden.

Architectural Concepts

iDesign Methodology & Domain-Driven Design (DDD)

Formally trained in advanced system architecture through Juval Löwy's prestigious Architect's Master Class. Proficient in applying the iDesign methodology and Domain-Driven Design principles to decompose complex systems into robust, maintainable, and scalable software.

Clean Architecture

Structuring AI platforms and backend services with clear separation of concerns, dependency inversion, and testable domain logic independent of frameworks and infrastructure.

Microservices & Event-Driven Architecture

Architecting and decomposing systems into scalable, independently deployable microservices with event-driven communication patterns, leveraging Azure for orchestration and deployment.

Authentication & Security

JWT and API key authentication, multi-provider auth

Azure AD, JWT, and API key authentication providers
RBAC engine for role-based access control
Token validation and middleware integration

, and security-first design for AI platform APIs and MCP server frameworks.

Agentic AI Design Patterns

Implementing production-grade agentic security patterns

Spotlighting: user input wrapped in security delimiters to prevent prompt injection
Input/output guardrails with sanitization and leakage detection
Multi-turn attack scoring with risk accumulation and decay across conversation turns
Canary token injection for data exfiltration detection
Tool chain validation preventing unauthorized operation sequences
Human-in-the-loop escalation when risk thresholds are exceeded
Capability restriction dynamically reducing agent permissions under threat

and orchestration patterns

ReAct: iterative Thought-Action-Observation reasoning loops
Plan-Execute: upfront planning followed by step-by-step execution
Adaptive: LLM auto-selects strategy based on task complexity
Tool use governance with validation boundaries and retry logic
Structured output generation with schema validation and retry
Content style enforcement for consistent LLM output formatting

for enterprise AI platforms.

Database & Vector Storage

SQL databases (PostgreSQL, SQLite), vector databases (Qdrant, FAISS, Pinecone, ChromaDB, Weaviate), caching (Redis, in-memory), and optimized data access patterns for hybrid search systems.

Featured Projects

Highlights from my recent platform and AI engineering work.

.NET Framework

Production MCP Server Framework for .NET 9

A Model Context Protocol

MCP is an open standard for connecting AI agents to external tools and data sources
Supports bidirectional communication between LLMs and tool servers
Enables dynamic tool discovery, schema validation, and session management

server framework supporting multiple transport protocols with session management, JWT & API key authentication, JSON schema validation, and automatic tool discovery. Built for enterprise AI agent integrations.

graph LR
  Client[AI Agents] --> Framework[MCP Framework]
  Framework --> T1[6 Transport Protocols]
  Framework --> T2[Auth + Sessions]
  Framework --> T3[Tool Registry]
  style Client fill:#1e3a5f,stroke:#3b82f6,color:#93c5fd
  style Framework fill:#1e293b,stroke:#475569,color:#94a3b8
  style T1 fill:#172554,stroke:#3b82f6,color:#93c5fd
  style T2 fill:#172554,stroke:#3b82f6,color:#93c5fd
  style T3 fill:#172554,stroke:#3b82f6,color:#93c5fd

.NET 9 C# gRPC SignalR Polly FluentValidation LangChain

Full-Stack AI Platform

Enterprise Agentic Chatbot Framework

Full-stack agentic chatbot platform with a 4-project iDesign architecture.

iDesign is a methodology for decomposing systems into Managers, Engines, Resource Accessors, and Utilities
Strict dependency direction: Common ← Framework ← Chatbot/Admin
Protocol-based contracts for all cross-layer communication

Features production RAG with 14 chunking strategies,

Recursive, semantic, sentence, fixed, markdown, HTML, code, table-aware, hierarchical, contextual, proposition, late, agentic, compression
Each strategy optimized for different document types and retrieval patterns

planning coordination (ReAct, Plan-Execute, Adaptive), multi-turn security pipeline, multi-LLM/embedding provider routing, 6 vector store integrations, and OpenTelemetry observability. React & Flutter frontends with SSE/WebSocket streaming.

graph LR
  Users[Users] --> Frontend[Web + Mobile]
  Frontend -->|Streaming| Backend[Backend API]
  Backend --> LLM[LLM Providers]
  Backend --> RAG[RAG Pipeline]
  Backend --> Security[Security]
  style Users fill:#1a3a2a,stroke:#10b981,color:#6ee7b7
  style Frontend fill:#1a3a2a,stroke:#10b981,color:#6ee7b7
  style Backend fill:#1e293b,stroke:#475569,color:#94a3b8
  style LLM fill:#14332a,stroke:#10b981,color:#6ee7b7
  style RAG fill:#14332a,stroke:#10b981,color:#6ee7b7
  style Security fill:#14332a,stroke:#10b981,color:#6ee7b7

Python LangChain LangGraph FastAPI React Flutter

Enterprise AI Integration

AI-Powered Azure DevOps Integration via MCP

MCP server exposing Azure DevOps operations as AI-callable tools. Enables LLM agents to manage work items, pull requests, projects, and relationships through natural language.

graph LR
  Agent[LLM Agent] -->|MCP| Server[MCP Server]
  Server --> ADO[Azure DevOps]
  style Agent fill:#3b2a1a,stroke:#f59e0b,color:#fcd34d
  style Server fill:#1e293b,stroke:#475569,color:#94a3b8
  style ADO fill:#3b2a1a,stroke:#f59e0b,color:#fcd34d

.NET 9 C# Azure DevOps REST API MCP

Knowledge Management Platform

AI-Powered Knowledge Base System

Production knowledge management platform with hierarchical document organization, semantic search

Vector embeddings convert documents into numerical representations
Similarity search finds conceptually related content, not just keyword matches
Dynamic Qdrant container management for scalable vector storage

via vector embeddings, and conversational RAG interface. Includes admin dashboard, file upload, and audit logging.

graph LR
  Docs[Documents] --> Platform[Knowledge Platform]
  Query[User Query] --> Platform
  Platform --> Search[Semantic Search]
  Platform --> Chat[Conversational RAG]
  style Docs fill:#2a1a3b,stroke:#8b5cf6,color:#c4b5fd
  style Query fill:#2a1a3b,stroke:#8b5cf6,color:#c4b5fd
  style Platform fill:#1e293b,stroke:#475569,color:#94a3b8
  style Search fill:#2a1a3b,stroke:#8b5cf6,color:#c4b5fd
  style Chat fill:#2a1a3b,stroke:#8b5cf6,color:#c4b5fd

.NET 9 Python React Qdrant MCP

Multi-Agent Orchestration

Hierarchical Code Review Agent System

Multi-agent system for automated code review and fix orchestration. 30 specialized agents organized hierarchically with recursive depth control,

Prevents context fragmentation by limiting recursion depth
Master orchestrator delegates to specialized reviewers and fix agents
Each agent has a bounded scope and reports findings upward

covering backend (C#, Java, Python, Go, Node.js, Ruby, Rust, PHP) and frontend (React, Vue, Angular, Svelte) quality analysis, security, accessibility, and automated fixes.

graph LR
  Master[Master Orchestrator] --> Quality[Quality Reviewers]
  Master --> Fix[Fix Agents]
  Quality --> BE[Backend 8 Languages]
  Quality --> FE[Frontend 4 Frameworks]
  style Master fill:#3b1a2a,stroke:#f43f5e,color:#fda4af
  style Quality fill:#1e293b,stroke:#475569,color:#94a3b8
  style Fix fill:#1e293b,stroke:#475569,color:#94a3b8
  style BE fill:#3b1a2a,stroke:#f43f5e,color:#fda4af
  style FE fill:#3b1a2a,stroke:#f43f5e,color:#fda4af

Claude Opus Claude Sonnet Agent Orchestration iDesign

Bot Management Platform

Enterprise Agentic Administration Portal

Self-service admin portal for creating, configuring, and managing chatbot agents. Features a multi-step bot creation wizard with LLM-powered metadata generation, knowledge base versioning with incremental updates, agent deployment management, and monitoring dashboard.

graph LR
  Admin[Admin] --> Wizard[Bot Wizard]
  Wizard --> Knowledge[Knowledge Versioning]
  Wizard --> Deploy[Agent Deployment]
  Admin --> Monitor[Monitoring]
  style Admin fill:#1e3a5f,stroke:#3b82f6,color:#93c5fd
  style Wizard fill:#1e293b,stroke:#475569,color:#94a3b8
  style Knowledge fill:#172554,stroke:#3b82f6,color:#93c5fd
  style Deploy fill:#172554,stroke:#3b82f6,color:#93c5fd
  style Monitor fill:#172554,stroke:#3b82f6,color:#93c5fd

Python FastAPI React TypeScript Vite

Personal Interests & Projects

Software Development

Passionate about programming, finding it exhilarating and rewarding to solve particularly hard problems.

Tech Innovations

Developed a mobile game for the Windows phone store which received 8000 downloads.
Developed another Windows phone app for the Eskom load shedding situation, monitoring grid status and notifying users of changes, which received 1200 downloads in two weeks.
Built a backlight for his television which changes color according to the average perceived pixel color, greatly improving the viewing ambience.

Music

Highly interested in music, plays the guitar and sings at home and in public. Has written many of his own songs and performed at various venues after one of his songs was played on Jacaranda, and recorded his own album.

AI Agent Demo

An AI agent you can chat with about my experience, skills, and projects. Powered by Claude.

All References

Derivco

Chris Coetzee: +27 82 548 8817

Ockert Du Preez: +27 72 829 0170

Paul Kotze: +27 82 901 7953

Albie van Zyl: +27 79 492 5393

Gopi Kistasami: +27 83 616 1371

Dynamic Visual Technologies

Khumo Jele: +27 81 447 9732

Seecrypt (Pty) Ltd

Annalinde Singh: +27 76 640 4766

Dino Fizzotti: +44 734 041 5199

UD Trucks / Covariant Consulting

Ronete McKenzie: +27 61 682 2350

Infotech/Enermatics

Melissa Wittstock: +27 82 750 0065

Information Trade World

Maria Jacobs: +27 74 254 6027

City of Tshwane

Martie J. Matthee: +27 12 358 8269

Marnet Signs

Martie Roberts or Eddie Bekker: +27 12 734 4990

Books-u-profit

Dries Venter: Tel: +27 12 800 3327, Cell: +27 83 449 7047

Nexor Signs

Dries du Plessis: +27 12 333 3384

Professional Experience

Education

Technical Skills

Projects

About Me

What I've Built

Technical Foundation

What I Believe In

Senior AI/Platform Engineer

Telesure Investment Holdings (TIH) | Aug 2025 - Present

Senior Software Developer

Derivco | Nov 2018 - Jun 2025

Key References:

Senior Software Developer GMIC.Net (Consultant)

Dynamic Visual Technologies (Pty) Ltd | May 2016 - Nov 2018

Key Reference:

Software Developer/Windows Team Lead

Seecrypt (Pty) Ltd | Apr 2015 - May 2016

Key References:

Director

Covariant Consulting (Pty) Ltd | Jun 2014 - Mar 2015

Key Reference:

Software Developer

UD Trucks Southern Africa (Pty) Ltd | Mar 2012 - May 2014

Key Reference:

Software Developer

Enermatics (Pty) Ltd | Jun 2011 - Mar 2012

Key Reference:

Software Developer

Infotech (Pty) Ltd | Jun 2009 - May 2011

Key Reference:

Programmer

Information Trade World | Feb 2007 - May 2009

Key Reference:

Administrative Officer

City of Tshwane Metropolitan Municipality | Mar 2004 - Feb 2007

Key Reference:

Graphic Designer / Sign Writer

Marnet Signs | Nov 2003 - Feb 2004

Key Reference:

Data Capturing Clerk

Books-u-profit | Apr 2003 - Jul 2003

Key Reference:

Graphic Designer / Sign Writer

Nexor Signs | Dec 2002 - Mar 2003

Key Reference:

Diploma in C++ Programming

Intec College

Subjects:

Grade 12 (Matric with Merit)

Goudrif High and Elsburg Primary

Subjects:

Programming Languages

C# & .NET 9 Ecosystem

Python (LangChain, LangGraph, FastAPI)

TypeScript / React

Dart / Flutter

SQL (T-SQL/General)

C++

Legacy & Other (COBOL, Delphi, VB)

Frameworks & Methodologies

AI/ML Engineering

Multi-Protocol Backend Architecture

Frontend & Mobile

DevOps & Infrastructure

Observability & Metrics

Testing

Architectural Concepts

iDesign Methodology & Domain-Driven Design (DDD)

Clean Architecture

Microservices & Event-Driven Architecture

Authentication & Security

Agentic AI Design Patterns

Database & Vector Storage

Featured Projects

Production MCP Server Framework for .NET 9

Enterprise Agentic Chatbot Framework

AI-Powered Azure DevOps Integration via MCP

AI-Powered Knowledge Base System

Hierarchical Code Review Agent System