Full-stack engineer with 4 yearsshipping production web apps in JavaScript/TypeScript and Python. I've delivered AI-powered platforms serving 100+ active users, wired up 20+ third-party APIs, and led a multi-agent AI system that cut task time by 40%.
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Experience
2025.05 — Present
London, UK · Remote
Software Engineer
Airstride (formerly Partner Program AI Ltd)
Translated Figma mockups into reusable, accessible UI components with 95% design fidelity across desktop and mobile breakpoints for a production SaaS platform.
Built RESTful API integrations handling 5,000+ daily requests, with exponential-backoff retry logic sustaining 99.5% uptime at peak traffic.
Shipped Node.js backend services powered by Claude and OpenAI APIs, automating workflows and cutting manual operational overhead by ~30%.
Next.jsTypeScriptNode.jsClaude APIOpenAI APIREST
2023.08 — 2025.03
Bristol, UK · Remote
Software Engineer
Dexla Inc
Built and launched an AI-powered drag-and-drop web app that grew to 500+ active users, collaborating with 3 developers, 2 designers and 2 PMs across release cycles.
Led the Infragen AI multi-agentic system(Oct 2024 – Mar 2025) with Next.js, Python, Pydantic AI & Smolagents — cutting task time from 8 min to 4.8 min (40%).
Unified 20+ REST endpointsvia Next.js Server Actions, Fetch API & React Query; intelligent caching eliminated 30% of redundant network calls.
Trimmed initial load from 3.2s to 2.4s (25%) via component-level code splitting and render optimization (Lighthouse).
Sustained 98% on-time sprint delivery, mentoring teammates through structured code reviews and documentation.
Senior thesis: a Python multiphase mixture model simulating microchannel heat-sink heat transfer — 18% efficiency improvement in computational output.
Leadership
2023 — 2024 · NYSC
Corps Liaison Officer · Sports Lead · YOMA Ambassador
Planned and executed 12 community events& sports competitions for 150+ corps members, on time and within budget.
Certifications
Training
Full-Stack Web Development — JS, React, Node.js, MongoDB (Udemy & Coursera)
Advanced Python — Data Structures, Algorithms, OOP
AI/ML Integration — LangChain, OpenAI API, Multi-Agent System Design
Methodologies
How I work
Agile / ScrumTDDCode ReviewTechnical Docs
williams@portfolio: ~/résumé — zsh
› whoami
Williams Ajayi Balogun — Full-Stack Software Engineer
Abuja, Nigeria · remote, worldwide · 4 yrs shipping production software
› cat summary.txt
Full-stack across JS/TS & Python. AI platforms serving 100+ users,
20+ APIs wired, and a multi-agent system that cut task time −40%.
Core: React · Next.js · Node · NestJS · Python + cloud-native deploys.