Zappy

Hi, I'm...
Emmanuel Noel Zappy Yeboah

I'm a senior software engineer with over 6 years of experience, specializing in building modern web & mobile applications. My journey in tech has been driven by a relentless curiosity and a desire to solve complex problems.

Beyond my own startups and projects, I’ve delivered software for startups and teams across fintech, SaaS, content platforms, and mobile apps. These systems are designed and shipped to stay reliable even under real-world pressure.

Featured Projects

Fetch Agent Real Estate Platform I led the development of the platform’s core infrastructure, building scalable APIs and agent-filtering systems to help users find real estate agents tailored to their needs.
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RBL Dating Platform I migrated the backend from PHP/MySQL to Node.js/PostgreSQL, rewrote the mobile app using the latest React Native, and rebuilt the admin panel in modern React. I also handled the migration of over 170,000 users without downtime, ensuring data integrity.
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Built Mobile App I rewrote the mobile app for Built, a financial technology company, to enhance functionality and user experience. The revamped app, designed to simplify financial data management for small businesses, saw a significant increase in installs from 700 to 50,000+.
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Expertise

Backend

Python, TypeScript, Node.js, FastAPI, Express.js, NestJS, Go, Java, REST, GraphQL, microservices

Databases

PostgreSQL, MySQL, MongoDB, Redis, Firebase, performance tuning, migrations, indexing

Frontend & Mobile

Svelte, React, React Native, Next.js, TailwindCSS, JavaScript, TypeScript, component-driven design

Infrastructure

Docker, Kubernetes, AWS, GCP, Azure, CI/CD, observability, logging, metrics

AI & Automation

LLM workflows, embeddings, retrieval pipelines, orchestration, AI-assisted development

Communication

Technical writing, async collaboration, leadership, code reviews

Featured Notes

Why Every Ghanaian Tech Professional Should Take the 2025 Ghana Tech Ecosystem Survey Ghana's tech sector has experienced remarkable growth over the past decade. However, to sustain this momentum and unlock our full potential, we need comprehensive data about where we stand as an ecosystem.
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