Available for opportunities

Sunday Victor Okoromi

7+ years building scalable web and mobile applications across fintech, productivity tools, and real estate. Specialised in the React ecosystem with full-stack capabilities in Node.js and Python — delivering production applications for US-based clients from Lagos, Nigeria.

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Years of Experience
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Daily Active Users

Production Systems

Live Applications

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Hotel Management · SaaS Platform
HotelOS AI
A full-featured AI-powered hotel management platform with booking management, staff coordination, and operational dashboards — built for real hospitality businesses.
🔑 Demo login
Email: example@gmail.com
Password: 12345678
React Node.js AI Integration REST API
Open App
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Live
Backend API · Swagger Docs
Waste Management API
A production REST API for waste management operations — fully documented with Swagger/OpenAPI. Demonstrates backend architecture, endpoint design, and API documentation standards.
Node.js REST API Swagger / OpenAPI Express.js
View API Docs Swagger UI

Featured Work

Selected Projects

01 / Core Product

No-Code Web Application Generator

Architected and built a drag-and-drop web application builder enabling non-technical users to create functional applications without code. Led full-stack development including a component abstraction layer, database schema generator, and deployment automation — the company's core revenue-generating SaaS product.

⚡ Build efficiency improved by 67% — 6 min → 2 min build times
ReactTypeScriptNext.jsAWS LambdaPostgreSQLZustand
02 / Fintech & Transport

Vehicle Management & Fraud Detection System

Designed a fullstack mobile and web platform for vehicle registration, driver onboarding, and QR code verification for the Nigerian transportation sector. Implemented a fraud detection algorithm and a virtual wallet system replacing 24-hour bank processing delays.

⚡ ₦500M+ monthly; instant settlements; fraud prevention operational
React NativeNode.jsExpress.jsMongoDBAWS TextractPayment APIs
03 / Performance Engineering

Fintech Dashboard Performance Initiative

Led a comprehensive performance optimization project across a high-traffic fintech dashboard. Implemented code splitting, lazy loading, React.memo, and strategic caching. Used Chrome DevTools and Lighthouse to eliminate rendering and data fetching bottlenecks.

⚡ 42% reduction in initial load time; improved UX on low-bandwidth
ReactReact QueryWebpackPerformance APIsLighthouse

Technical Profile

Core Skills

Frontend
ReactTypeScriptNext.jsReact NativeRedux ToolkitZustandTailwind CSSHTML5 / CSS3Accessibility
Backend
Node.jsExpress.jsPythonFastAPIPostgreSQLMongoDBRESTful APIsWebhook Integration
Cloud & DevOps
AWS S3AWS LambdaAWS TextractCI/CD PipelinesDockerLinuxGit
Testing & Quality
JestReact Testing LibraryPytestTDDUnit TestingIntegration TestingAgile / Scrum

Career History

Work Experience

May 2022 – Present
Frontend React Developer
IBCScorp — Idaho, USA (Remote)
  • Migrated platform from Gatsby to Next.js, reducing build times by 67% and improving page speed by 35%.
  • Led migration of 15+ production projects to TypeScript with React Hooks, improving maintainability and scalability.
  • Established automated testing pipelines with TDD, reducing bug reports by 45%.
  • Built internal productivity tool replacing JIRA, saving €50,000+ annually for 50+ users.
June 2020 – April 2022
Fullstack Developer (React, Node.js)
Techshire Ltd — Lagos, Nigeria
  • Developed a React Native vehicle management app serving 2,000+ daily active users with QR tracking.
  • Implemented virtual account payment system processing ₦500M+ monthly with 99.9% accuracy.
  • Designed AWS Textract OCR pipeline reducing manual document processing by 70%.
  • Reduced dashboard load time by 42% through code splitting, lazy loading, and caching strategies.
January 2018 – May 2020
Frontend Developer
TechnoTrend Platforms Limited — Lagos, Nigeria
  • Reduced load times by 20% through bundle optimisation and caching, improving retention by 25%.
  • Built the company's first real estate app for short-term apartments, serving 500+ property listings.
  • Maintained design consistency across 10+ client projects with UI/UX teams.

Academic Background

Education & Certifications

BSc Software Engineering
Brigham Young University, USA
In Progress · Expected 2026
MSc Risk Management & Insurance
University of Lagos, Nigeria
2019 · Grade: 4.01 / 5.00
BSc Business Administration
Salem University, Lokoja
2015 · Grade: 4.33 / 5.00
Front End Development Libraries
FreeCodeCamp Certification
2024
Back End Development & APIs
FreeCodeCamp Certification
2024
Google Africa Developer Scholarship
Google
2022
Hello

Let's Work Together

Get In Touch

Open to frontend, fullstack, and remote engineering opportunities. Based in Lagos — working with teams worldwide.

okoromivictorsunday@gmail.com
LinkedIn · +234 906 945 5398 · Lagos, Nigeria