Mercy Ijeoma Vincent

📍 Uyo,Nigeria

📍 +2349064545765

💻 Backend Developer

Profile picture

I'm a Backend Developer with 2+ years of experience building scalable, secure, and high-performance server-side applications using Node.js, Express.js, and Nest.js. I specialize in creating efficient APIs and microservices, and have contributed to various open-source projects. I'm passionate about making a positive impact and continuously expanding my skills in software development.

github↗twitter↗email↗linkedin↗discord↗

Work Experience

CodaBlack Foundations

Backend Developer (November 2024 - Date)

  • Implemented and optimized core functionalities for a crypto wallet app and an e-commerce platform.
  • Built RESTful APIs using, NestJs and Express.js
  • Developed a fast-food e-commerce website, integrating payment gateways and real-time order tracking.
  • Improved system scalability, and ensured high availability of services.
  • Optimized database queries resulting in 50% faster load times
  • Implemented authentication, authorization, and session management for secure user interactions.

Start Innovation Hub

Junior Backend Developer (October 2024 - Date)

  • Developed and maintained features for an e-commerce platform
  • Fixed bugs and improved existing codebase
  • Reduced system latency by 40% through implementation of Redis caching
  • Integrated third-party APIs for payment processing and analytics
  • Created comprehensive API documentation using Postman
  • Participated in daily stand-ups and sprint planning meetings

Lawpat Technologies

Backend developer Intern (March 2024 - September 2024)

  • Built RESTful APIs using Express.js and MongoDB
  • Implemented user authentication using JWT and OAuth2
  • Implemented real-time features using WebSocket technology
  • Researched and implemented new technologies to improve application efficiency and security.

The Roothub

Web Developer Intern (May 2022 - Nov 2022)

  • Collaborated with designers, product managers, and developers to deliver seamless user experiences.
  • Fixed bugs and improved existing codebase
  • Learned and implemented best practices in software development

Skills

Frontend Development

10+ projects

Building beautiful and unique user interfaces.

Backend Development

30+ projects

Development of complex and scalable backend architecture.

Latest Projects

Propellant

Backend Developer

Propellant is a platform designed to connect talented African creatives and tech professionals with global opportunities. It streamlines the process of showcasing portfolios, applying to gigs, and getting hired. As a backend developer, I helped build robust APIs and ensure scalable architecture to support a growing user base. Propellant empowers users to showcase their work and get discovered by top recruiters around the world.

https://propellant-hr.fly.dev↗

Mothrbox

Backend Developer

Mothrbox is a privacy-first, developer-focused data storage layer built for decentralized and hybrid applications. It enables secure encryption, storage, and retrieval of files using RESTful APIs. I worked on building and refining core backend services, contributing to encryption workflows, storage handling, and API endpoint optimization. Mothrbox is ideal for developers building Web3, AI, and privacy-critical applications.

https://mothrbox.xyz↗

GreenBounty

Backend Developer

GreenBounty is a web app dedicated to encouraging recycling through a reward-based system. Users earn points for recycling items, which can be exchanged for rewards. The platform combines technology and sustainability to promote environmentally conscious habits. With features like progress tracking and an intuitive design, GreenBounty simplifies recycling and inspires users to make a meaningful impact.

https://green-bounty.vercel.app/↗

DrowsyGuard

Backend developer

DrowsyGuard uses artificial intelligence to monitor driver fatigue in real-time. It tracks physical indicators like eye movements, facial expressions, and more to detect early signs of drowsiness—and immediately alerts the driver to prevent accidents.

https://drowsy-guard.vercel.app/auth/sign-up↗

Karepal

Backend developer

KarePal for Neonatal Care provides an AI-powered solution that combines the power of computer vision and diverse health data to provide personalized care for infants. The platform supports caregivers with real-time insights, early health issue detection, and tailored interventions to ensure the well-being of newborns. KarePal is a vital tool for ensuring care during the critical early stages of life.

https://karepal-frontend.vercel.app/↗

TicTacToe

Full-stack developer

Created an interactive TIC-TAC-TOE game. This game features a responsive design that works on both desktop and mobile devices. Players can choose their symbols and play against each other in a 3x3 grid. The game includes logic to determine the winner or a draw at the end of each match. It provides an engaging and simple way to enjoy this classic game.

https://mercyio-tic-tac-toe.vercel.app/↗

AgriTech

Backend Developer

AgriTech is an AI-powered mobile app to help farmers monitor crop health and detect diseases early.It uses computer vision and machine learning to analyze crop images and identify issues like pests or nutrient deficiencies. It provides feedbacks and actionable recommendations to improve crop yield and health. This solution is user-friendly, accessible to farmers of all technical levels with the Aim of enhancing productivity and promoting sustainable farming practices

https://github.com/mercyio↗

Contact Me

Feel free to reach out to me via email, phone, or the form below.