Cornelius Oaikhienan
Senior Full Stack Developer
Experienced Software Engineer with years of professional experience building scalable web & mobile applications. Specialized in JavaScript (React, React Native, Next, Node.js, Nest) & Python (Django, FastAPI) expertise. Passionate about delivering efficient, user-focused solutions that drive business growth.

About Me
A dedicated professional, committed to delivering exceptional software solutions
I’m a Senior Full-Stack Software Engineer with years of professional experience building scalable web & mobile applications. Skilled in JavaScript (React, React Native, Next.js, Node.js, NestJS) and Python (Django, FastAPI), with strong knowledge of cloud infrastructure & DevOps.
I’ve led teams, architected platforms, and delivered solutions that boosted business operations, user engagement, and global reach — from real estate platforms to asset management portals and multilingual learning apps.
With a focus on clean code, collaboration, and impact-driven development, I bridge the gap between technical complexity and business goals.
6+
Years Experience
20+
Projects Completed
10+
Team Collaborations
5+
Certifications
Professional Experience
A track record of delivering impactful solutions across various industries
- Built and deployed a cross-platform mobile app using React Native, with secure login, OTP verification, and real-time user interactions.
- Developed a scalable NestJS backend with Supabase PostgreSQL, JWT auth, Gmail OAuth2 email services, and modular APIs for users, properties, chat, and bookings.
- Deployed to Render with Docker, implemented token refresh for Gmail OAuth2, and maintained a clean, multi-module architecture across services.
- Collaborated closely with the product designer to translate Figma designs into a fully functional asset management portal. Took full ownership of the frontend development from scratch to MVP
- Contributed to the frontend development and ongoing enhancements of the company’s main tech website.
- Currently handling the frontend architecture of a core banking application.
- Collaborated with the product manager and mobile dev team to develop a 3D language learning app focused on immersive user experiences.
- Implemented interactive UI components and integrated 3D learning content.
- Contributed to code reviews, debugging, and API integration within an Agile team workflow.
- Designed and developed the admin dashboard, enabling administrators manage blog posts, job listings, and user applications with ease.
- Led the frontend development from setup to MVP, implementing key features like user authentication, blog post creation, and job application workflows.
- Built RESTful APIs with NestJS, Mongodb, and Mongoose for seamless backend operations.
- Built and maintained responsive web applications and cross-platform mobile apps.
- Translated UI/UX designs into modern, pixel-perfect interfaces using React (and React Native, if applicable).
- Collaborated with backend engineers, designers, and product managers to deliver scalable features.
Technical Skills
Comprehensive expertise across the full technology stack
Frontend Development
Backend Development
Cloud & DevOps
Tools & Databases
Featured Projects
A selection of impactful projects demonstrating technical expertise and business value

This is an event ticket booking website. Mainly use for booking available events and also selecting number of seat(s)
Key Features:
- Responsive layout design
- Uploading image to cloudinary
- Form validation
Technologies:

Color Game is a React web application built with TypeScript. The project implements interactive gameplay mechanics centered around color-based logic and user interaction
Key Features:
- Score Tracking
- New Game / Reset Button
- Game Status Feedback
Technologies:

This is an AI-powered financial reconciliation platform that automatically matches business records with bank statements to quickly identify discrepancies, reduce manual effort, and improve accuracy.
Key Features:
- Smart Reconciliation Engine
- Flexible Override System
- Export & Reporting
Technologies:
Achievements & Recognition
Professional training programs and industry-recognized initiatives completed














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