Open to opportunities

Macmillan Quansah

@macmillanquansah

Message

AI Product Engineer and Full-Stack Developer shipping production-grade LLM apps for African markets.

Ghana

Message

What I'm looking for

I’m looking for full-time roles, contracts, and AI product collaborations where I can ship end-to-end: UI, backend, LLM API integration, and deployment—especially on African market problems. I’m open to remote and relocation.

I’m a self-driven AI Product Engineer and Full-Stack Developer with 3+ years of hands-on experience building and shipping production-grade AI-powered applications. I started from foundational web development in 2023 and quickly progressed to architecting complete SaaS products used by thousands across Ghana, Nigeria, and Kenya.

I specialize in integrating large language model APIs—Gemini, Claude, and OpenAI—into real-world products that solve meaningful African market problems. I ship end-to-end features, moving from UI to backend to deployment with speed and quality.

Independently, I’ve conceived, designed, built, and deployed four production AI products end-to-end—from idea to live users—leveraging custom prompt engineering across multiple LLMs. I’ve also built full Paystack payment infrastructure with webhook handling and delivered AI-native experiences for users, with zero marketing budget driven by product value and word of mouth.

Experience

Work history, roles, and key accomplishments

Current

AI Product Engineer & Full-Stack Dev

Current

Independent AI Product Builder

Jan 2023 - Present (3 years 5 months)

Conceived, designed, built, and deployed four production AI products (Sellify, Ghana Title Check, CareerCraft Africa, InvoiceCraft Africa), integrating Gemini/Claude/OpenAI LLM APIs and Paystack payments to reach thousands of active users across West Africa with no marketing budget. Shipped end-to-end features across UI, backend, APIs, databases, and Vercel deployments with ongoing performance and

TypeScript React Next.js Prompt Engineering Paystack Webhooks & Billing Vercel CI CD

Education

Degrees, certifications, and relevant coursework

University Student

Undergraduate, Undergraduate Studies

2023 -

Activities and societies: Built and deployed production-grade software alongside studies; focused on practical application of web development, React/Node.js, and AI integration.

Pursuing undergraduate studies while building and shipping live AI-enabled software products. Supplemented learning with Udemy courses in modern web development, React, Node.js, and AI integration, applying concepts directly in production work.