Full Stack Engineer

Open to full-time
Bio

Remi A is a Full Stack Engineer with several years of experience in developing web applications and platforms. Proficient in JavaScript, TypeScript, Node.js, and frameworks like React, Next.js, and Express, Remi builds high-performance web apps and APIs. He incorporates technologies such as MongoDB, Firebase, and WebSockets, and emphasizes security and user engagement through JWT Authentication and real-time communication features. At ExpatSwap, Remi launched features that increased user engagement by 40% and optimized deployment pipelines, reducing release cycle time by 35%. He also led the development of a recruitment platform at World Wide Techies, achieving a 4.8/5 user rating and maintaining a 99.5% uptime for a real-time chat platform. Remi holds an HND in Industrial Maintenance Engineering from Yaba College of Technology and certifications in Microsoft Azure Fundamentals and Front End Development Libraries. He is well-suited for roles that require innovative web application development and a focus on user-centric design.

Expertise
MongoDBNode.jsJavaScriptCSSHTMLAngularNext.jsReactTypeScriptReact NativeGit
Video Intro
Assessments
APPLICANT AVG · 53%REMI · 100%0255075100TopASSESSMENT SCORE (0–100)

General Coding Assessment

(100/100)
  • SQL QuestionHard
  • Two Algorithm QuestionsMedium
  • Good score on LRU Cache QuestionMedium
Projects

Expatswap

A P2P marketplace and community-based platform for swapping currencies on user-defined terms and rates.

Fewchore App

A fintech app simplifying loan applications and repayment.

Ushahidi Platform

Enhanced website's readability and accessibility for Ushahidi project.

Talentyard App

Led development for Talentyard App with high user satisfaction.

Anonymous Chat App

Co-developed a real-time anonymous chat platform.

P2PCoder App

Leading a team to create a peer-to-peer coding collaboration app.

Experience

  1. Full-Stack Developer

    ExpatSwapSep 2024 — Oct 2025
    • Launched high-impact features that boosted user engagement by 40%
    • Restructured deployment pipelines, reducing release cycle time by 35%.
    • Proposed and shipped new UX enhancements based on usage data and team ideation.
    angular jswebsocketMongoDBnest js

  2. Full-Stack Developer

    Petrong Software SolutionApr 2024 — Sep 2024
    • Designed and deployed scalable REST APIs supporting real-time forex trades
    • Enabled bank-grade payments by integrating Truelayer and Mono, raising transaction success rates by 20%.
    • Delivered a secure escrow wallet system that reduced disputes by 15%.
    ReactNext.jsNest.jsMongoDBopen banking api

  3. Maintainer & Developer Lead

    World Wide TechiesJan 2023 — Jan 2024
    • Directed full-stack development for a recruitment platform, achieving a 4.8/5 user rating.
    • Revamped onboarding flow and integrated live support, increasing sign-ups and retention by 25%.
    • Mentored junior developers, reducing onboarding time and delivery cycles by 25%.
    • Built a real-time chat platform with WebRTC/WebSockets, maintaining 99.5%+ uptime and 600+ active users
    • Orchestrated agile sprints that improved feature velocity and system stability.
    Next.jsTypeScriptFirebaseSupabaseNode.jsWebRTCWebSocket

  4. Lead Fullstack Engineer

    Nutrilab SingaporeJun 2025 — Sep 2025
    • I re-architected the mobile codebase, stabilized navigation with Expo Router, and built an AI chat streaming loop for smooth real-time UX.
    • I also developed the AI food scan flow, cutting scan latency from 30s to 3–4s through backend optimization, and set up EAS build + OTA pipelines for faster, reliable releases.
    • I served as Lead Developer for NutriLab, an AI-powered nutrition app combining real-time chat, food scanning, and AI-driven insights.
    • Beyond shipping new features, I focused on maintainability and engineering excellence — refactoring components, documenting the architecture, and setting up EAS build & OTA pipelines to reduce deployment friction.
Education

  1. HND Industrial Maintenance Engineering

    Yaba College Of TechnologyNigeria2018 — 2023

  2. Element of AI

    University of Helsinki (online)Helsinki2023 — 2023

  3. Microsoft Azure Fundamentals

    Microsoft LearnRemote2024 — 2024

  4. Javascript & Algorithm

    Free Code CampRemote2022 — 2022

  5. Front End Development Libraries

    Free Code CampRemote2022 — 2024
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