Omotowa
Oluwafemi
I design and build complete digital systems — from polished user interfaces to robust backends, fintech platforms, mobile apps, and infrastructure. I help product builders and businesses ship software that works reliably and looks exceptional.
16+
Projects Shipped
3+
Years Building
10+
Global Clients
Recent Impact
Numbers that tell the story
Three years of shipping real software for real businesses — these are the highlights.
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Production Projects
Shipped across fintech, SaaS, blockchain, enterprise, and mobile
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Years Building
Consistently delivering high-quality software across multiple stacks
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Industries Served
Fintech, crypto, e-commerce, education, travel, gaming, and more
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Clients Globally
Trusted by businesses in Nigeria, the UK, and the United States
ExamCo (Founder & Lead Engineer).
AI-powered mobile learning platform that helps students prepare for JAMB, WAEC, NECO, and GCE through intelligent practice tests, AI explanations, performance tracking, and offline-first learning.
Alajo
A digital financial service helping low-income earners save and manage finances easily.
Seamailer
No.1 email marketing software for businesses and content creators.
PaceSwap
A crypto swap platform providing instant, competitive cryptocurrency exchange.
Featured Work
Selected projects
Capabilities
What I can help you build
Beyond the code — here's what I actually deliver for the businesses I work with.
Launch Your Product Idea
From zero to production. I'll help you turn an idea into a working web or mobile app, ready for real users.
Scale Your Existing Platform
Add new features, improve performance, and modernize your tech stack without breaking what's already working.
Build Fintech & Crypto Platforms
Payment systems, wallets, crypto swap interfaces, and DeFi tools with robust backend and smart contract integration.
Create Your SaaS Product
Subscription-based products with dashboards, user auth, billing, and the infrastructure to grow.
Develop Mobile Experiences
Cross-platform mobile apps with native-like interactions using React Native and Expo.
Automate Business Workflows
Custom scripts, integrations, and AI-assisted tools that save your team hours every week.
Experience
3+ years
building software
Freelance and contract work across industries — from early-stage startups to established businesses — building and shipping production-grade systems.
Frontend Engineer
Alajo· Full-time
Leading frontend development for a large-scale fintech platform, building secure financial products, scalable architecture, and production-ready user experiences using Vue.js and TypeScript.
- Built transaction workflows, reporting dashboards, and customer-facing financial products.
- Established reusable component architecture, composables, and scalable frontend patterns.
- Optimized performance through lazy loading, caching strategies, and rendering improvements.
- Collaborated with backend engineers and product teams from planning through production.
Founder & Lead Engineer
ExamCo· Full-time
Building an AI-powered mobile learning platform helping students prepare for JAMB, WAEC, NECO, and GCE through CBT simulations, offline learning, and intelligent tutoring.
- Built cross-platform mobile app using React Native, Expo, TypeScript, and NestJS.
- Designed scalable backend architecture with PostgreSQL.
- Implemented offline-first learning experiences.
- Built AI-assisted explanation workflows.
Full-Stack Software Engineer
Freelance & Contract· Freelance
Building production-ready web applications, SaaS platforms, and fintech products for clients across Nigeria, the UK, and the US. Projects span frontend, backend, blockchain, and mobile.
- Shipped 16+ production projects across fintech, SaaS, blockchain, and enterprise
- Worked across Vue.js, React, Next.js, Svelte, and React Native
- Integrated payment APIs, blockchain contracts, and third-party SaaS APIs
- Managed hosting, deployment pipelines, and infrastructure on Vercel and custom servers
Full-Stack Engineer
Seamailer· Contract
Developed core frontend features for the Seamailer SaaS email marketing platform, focusing on the campaign builder and analytics dashboard.
- Built campaign management UI in Vue.js
- Integrated email delivery REST APIs
- Optimized performance for dashboard with real-time analytics
Infrastructure & Technical Support Engineer
Qservers· Contract
Supporting hosting infrastructure, DNS, servers, deployments, and customer systems while resolving complex technical issues for thousands of hosted websites.
- Managed cPanel, WHM, SSL, DNS, and email infrastructure.
- Diagnosed production issues across web hosting environments.
- Performed migrations, deployments, and server maintenance.
- Collaborated with infrastructure teams to improve platform reliability.
Technical Skills
The tools I build with
Comfortable across the full stack — from UI to infrastructure, web to mobile.
Frontend
Backend
Mobile
Infrastructure
AI & Automation
Databases & Blockchain
Testimonials
What people say
"Oluwafemi is a professional who knows his craft well. He delivers excellent work quickly and is always ready to go the extra mile. Highly recommend."
Abdulkareem
Mentor & Senior Engineer
"The landing page Oluwafemi built for my academy is fantastic. His work has been a game-changer for my business. He understood my vision immediately."
Kinza
CEO & Founder, Cloud Engineer Academy
"Oluwafemi met all my requests with dedication and high quality. His commitment to the work is commendable — he genuinely cares about results."
Gloria Ortega
Online Tutor
Have a project in mind?
Whether you need a new product built from scratch, an existing system improved, or a technical partner for your startup — let's talk.