About Me
Godwin Edgar Opuka
Full-Stack Developer · Solutions Architect · AI/ML Engineer
📍 Nairobi, Kenya
I build production-grade platforms end-to-end — from Stellar-powered cross-border payment systems and AI-native ERPs to autonomous trading agents and legal knowledge graphs. I currently lead engineering at Zamadi Group with the flagship product of a borderless remittance platform, while also owning all DevOps across their product suite. I'm a MSc Financial Engineering candidate at WorldQuant University, bridging quantitative finance and applied AI.
Notable Achievements
- ★Built and deployed Afripay — a live Stellar-powered cross-border payment platform serving multiple African currencies
- ★AMD Developer Hackathon 2026 entrant: EA Strategy Optimizer running Qwen2.5-72B on AMD MI300X with a 1,416-capability Neo4j knowledge graph and deep reinforcement learning prioritisation
- ★Promoted from Full-Stack Data Developer to Solutions Architect & BI Lead at DigitalQatalyst within 3 months
- ★WQU MScFE capstone: GraphAlpha — autonomous trading agent grounded in a 324-concept financial knowledge graph
- ★Sole engineer for all Zamadi Group DevOps, infrastructure, and platform delivery
Experience
Full-Stack Developer
·Zamadi GroupDec 2025 – Present- ›Lead engineer on Zamadi's flagship borderless remittance platform using the Stellar Network for settlement across multiple African currencies
- ›Engineered full-stack architecture: FastAPI backend, double-entry immutable ledger, JWT auth, Nginx rate limiting, React 19 admin workspace, and Flutter mobile app
- ›Integrated Onfido for 3-tier KYC/AML verification and built the FIAT-to-USDT settlement engine
- ›Built and deployed the NYS Virtual Campus — a full LMS for the National Youth Service Kenya (React 18, Node.js, PostgreSQL)
- ›Own all DevOps: CI/CD pipelines, Docker containerisation, and infrastructure across all Zamadi Group products
- ›Designed and Deployed Double entry ledger system
Solutions Architect & BI Lead
·DigitalQatalyst (Contract)Jun – Feb 2026- ›Architected the Twin Graph Manager — a graph-powered digital business platform using Neo4j and graph data science
- ›Designed full-stack platform with Neo4j backend, GraphQL/REST API layer, and MACH-aligned React frontend
- ›Directed AI agent deployment for business process automation and enterprise architecture modeling via Ardoq
- ›Promoted from Full-Stack Data Developer to Solutions Architect within 3 months
Full-Stack Data Developer / AI-ML Engineer
·DigitalQatalyst (Contract)Jun – Sep 2025- ›Engineered end-to-end data pipelines using Python, R, Spark, and Microsoft Fabric
- ›Developed and deployed ML-powered services with REST and GraphQL endpoints
- ›Built CI/CD pipelines for data, ML, and application workloads on Azure DevOps
Quantitative Research Analyst
·FreelanceApr 2021 – May 2025- ›Delivered quantitative and qualitative analytical solutions across finance and business domains
- ›Conducted financial statement analysis and hypothesis testing using robust statistical methods
- ›Built interactive dashboards and reports to drive data-informed decision-making
- ›Research WriteUps following Rsearch Methodology Format
- ›Quantitative Hypotheses Testing
Skills
Education
MSc Financial Engineering
WorldQuant University
Stochastic Modeling, Derivative Pricing, ML in Finance, Deep Learning for Finance, Financial Econometrics. Capstone: GraphAlpha autonomous trading agent.
BSc Financial Engineering
Jomo Kenyatta University of Agriculture and Technology (JKUAT)
Stochastic Calculus, Derivative Pricing, Game Theory, Statistical Inference, Numerical Methods.
Open to opportunities
Remote · Hybrid · Nairobi — Full-Stack, Solutions Architecture, AI/ML, DevOps, Financial Engineering