FULL-STACK / FRONTEND / MOBILEI'm Tobenna Umeh, a full-stack product engineer building reliable web and mobile experiences with React, TypeScript and React Native.
Currently working across fintech, product interfaces and full-stack systems.
A selection of product, fintech, mobile and full-stack work.
Fidelity Bank / Enterprise Fintech / Corporate Banking
A secure React and TypeScript platform supporting complex corporate banking workflows—from enrolment and transfers to approvals and administration.
Fidelity Bank / Fintech / Mobile Product
A production mobile experience built around clear onboarding, identity verification and resilient feedback across real-world device flows.
Full-stack product ownership spanning interface design, frontend, backend and cloud infrastructure.
Explore projectA full-stack festival platform with a bolder visual rhythm and a public-facing event experience.
Explore project
PORTRAIT / LAGOS, NGI'm a full-stack developer focused on building polished, reliable digital products. My work spans product interfaces, mobile applications, API integration, backend systems and infrastructure.
I care about what happens beyond the happy path: loading, validation, errors, accessibility, performance, security boundaries and the details that make software feel dependable.
B.Eng, Computer Engineering
Bells University of Technology
Production work across fintech, mobile products and full-stack systems.
The stack follows the product—not the other way around.
React / TypeScript / Next.js / Angular / Vue / TanStack / Vite / Tailwind CSS / Zustand / Zod
React Native / Reusable UI / Native product flows
Node.js / Django / Go / Express / NestJS / PostgreSQL / Prisma / MongoDB
Docker / Kubernetes / AWS / EC2 / S3 / Lambda / CloudFormation / Azure
Figma / Wireframing / Prototyping / User Research / Design Systems / Accessibility
Jest / Vitest / QA-led product refinement
Understand the user and business problem before optimizing the interface.
Loading, validation, empty states, retries and errors are part of the product.
Use TypeScript and validation to make API boundaries explicit and predictable.
Reusable systems should make future product decisions easier, not harder.
Performance, accessibility, security and maintainability are part of production quality.
Selected interface and product work across different problem spaces.