About Me

Work Experience

Software Engineer

Nexus Wave AI, Nairobi, Kenya

May 2024 – Present

Core member of the founding engineering team with expanded responsibilities in technical architecture and product ownership. Built multi-tenant SaaS platform using Next.js, FastAPI, and PostgreSQL with RESTful/GraphQL APIs. Designed database schemas, implemented background job processing, and integrated third-party services (Google, M-Pesa, Paystack, African Talking, Stripe, OAuth/SSO). Developed AI-driven features using LangChain, vector databases (Pinecone, Weaviate), OpenAI/Anthropic APIs, and RAG systems. Established CI/CD pipelines and monitoring infrastructure with GitHub Actions, Grafana, Loki, Datadog, and Sentry. Shipped major product features and collaborated with executive team on product direction and investor demos.

Frontend Developer

Namiri Creatives, Nairobi, Kenya

Aug 2022 – April 2024

Led frontend development for enterprise websites and e-commerce platforms using React, Next.js, and WordPress. Delivered high-performance digital solutions for clients in retail, hospitality, and finance. Improved checkout flows that increased client conversions by 25% and spearheaded UX/UI design initiatives with Figma and Adobe Creative Suite.

Freelance Web Developer

Upwork, Remote

Sept 2022 – Present

Completed 20+ international projects, corporate websites. Specialized in React and WordPress integrations. Built CRM dashboards, multi-language e-commerce stores,helping small businesses streamline operations and scale online presence.

Skills & Technologies

Languages & Frameworks

Next.js, React, FastAPI, Node.js, TypeScript, Python, PHP

Databases & Infrastructure

PostgreSQL, MongoDB, Redis, Docker, GCP, DigitalOcean

AI/ML & Vector Search

LangChain, LlamaIndex, Pinecone, Weaviate, OpenAI API, Anthropic Claude API, RAG Systems, Embeddings

DevOps & Monitoring

GitHub Actions, CI/CD, Grafana, Loki, Datadog, Sentry

Design & Frontend Tools

Figma, Adobe Creative Suite, TailwindCSS, shadcn/ui, Radix UI, TanStack Query, Zustand, Framer Motion, GSAP, Git

Specialties

Multi-Tenant SaaS Platforms, AI-Powered Applications, RAG Systems, Payment Integrations, API Development, Automation Systems

Okanda Stephen