Hello, I'm Allen

I ship products end-to-end.

Fullstack engineer with frontend focus. UI/UX designer. I go from wireframes to code to production fast. 7+ years building things people actually use.

Get in touchView experience

15+

Projects

7+

Years

100%

Satisfaction

What I Do

Frontend

React, Next.js, TypeScript. Performant, accessible interfaces.

Design

Research to prototypes. Experiences that convert and retain.

Fullstack

Node.js, databases, APIs. Complete features, deployed.

Experience

Owning frontend and design for supply-chain software.

Key Achievements

  • –Redesigned the product UI. Simpler, cleaner, easier to use.
  • –Built an accounting app frontend from scratch.
  • –Full ownership—Figma to code to production.
  • –Direct dev support to users. Fixed issues, shipped fixes fast.

Stack

ReactNext.jsPrismaTypeScriptFigmaTailwindCSSPostgreSQL

Led design and frontend for a serverless deployment platform. Owned the product redesign that moved the metrics.

Key Achievements

  • –Redesigned the core product. Engagement up 20%, bounce rates down.
  • –Built responsive layouts that actually converted on mobile.
  • –Refactored the frontend—15% less tech debt, faster feature shipping.
  • –Sat in product strategy meetings. Made calls on scope, UX, and technical tradeoffs.

Stack

ReactTypeScriptFigmaNode.jsTailwindCSS

Built and optimized full-stack apps. Shipped integrations, mentored juniors, made things faster.

Key Achievements

  • –Worked with design to ship UI improvements. Retention up 25%.
  • –Optimized queries and code. Page loads 40% faster.
  • –Led the payment gateway and API integrations. Errors down 30%.
  • –Cleaned up legacy code—20% less debt.
  • –Mentored junior devs. Cut onboarding time by 25%.

Stack

ReactNode.jsPostgreSQLREST APIsJavaScript

End-to-end projects across e-commerce, fintech, and education. 100% client satisfaction, all repeat or referral.

Key Achievements

  • –15+ projects shipped. On time, on budget.
  • –Built custom web apps, APIs, and databases from scratch.
  • –Designed marketing materials (posters, ads, banners etc) that drove sales.
  • –Taught Python, UI/UX, and DSA to beginners.
  • –100% satisfaction. Every client came back or referred others.

Stack

Next.jsReactNode.jsMongoDBTypeScriptFigmaTailwindCSS

Let's work together

Open to new opportunities. Have a project or just want to chat?

ojuka.allen@gmail.com