Timileyin Oyeti Fullstack Web Developer
Email
[email protected]
https://www.linkedin.com/in/timileyinoyeti
Location
Lagos. Nigeria
GitHub
https://github.com/chocoscoding
https://chocoscoding.com
Work Experience

Fullstack Developer

Rawura
Jul 2025 – Present
  • • Designed and led the implementation of a distributed microservices architecture consisting of 5 independent services (Main API, Event Bus, WebSocket Gateway, Admin, Storefront) using Node.js, Express, Next.js 15, and an event-driven architecture with RabbitMQ for processing 500+ daily transactions asynchronously.
  • •Developed RESTful API endpoints with Express.js and TypeScript, implementing a role-based access control (RBAC) system and optimizing MongoDB schemas with strategic indexing, which reduced complex query response time by 35%.
  • • Engineered a robust real-time WebSocket infrastructure using Socket.IO with intelligent batching (300ms windows) for live updates across 1,000+ concurrent users. Developed an advanced state management strategy using TanStack React Query (for server state) and Zustand (for client state), reducing API calls by 30%.
  • •Built the enterprise-grade Admin Dashboard and customer-facing Storefront using Next.js 15 (App Router) and React 19, implementing server-side prefetching and achieving 90+ Lighthouse scores.
  • •Implemented advanced e-commerce features including dynamic pricing tiers, a comprehensive coupon system, Admin notification system, and sophisticated real-time analytics with several endpoints using the MongoDB aggregation framework.

    • Fullstack Developer

    Remote Worldwide
    Jan 2024 – present
  • •Designed and implemented scalable backend systems using Node.js and TypeScript, optimizing API performance by 20% and reducing system downtime by 10%
  • •Architected robust backend solutions for a remote-only job board using Express, Prisma, and MongoDB, efficiently managing job listings and user operations for 2k+ active users
  • •Built comprehensive monitoring and debugging systems, proactively ensuring 99.9% system availability through automated health checks and performance optimization
  • •Implemented end-to-end testing strategies with Cypress and developed comprehensive test suites including unit, integration, and API tests, improving system reliability by 35%.
  • •Revitalized the backend architecture and integrated advanced caching solutions with Redis, dramatically improving throughput and enabling the system to reliably support over 6,000 monthly users.

    • Fullstack Developer - Team Lead

    Hypercho
    Apr 2022 – Sep 2023
  • •I led backend architecture design and implemented scalable Node.js systems, optimizing API performance by 20% and reducing downtime by 10%
  • •Designed system architecture using message queues for API load management and improved authentication flow for enhanced security
  • •Mentored a team of developers on backend best practices, providing constructive feedback on code quality and system design
  • •Enhanced cross-platform compatibility and resolved critical production issues, resulting in a 40% reduction in post-launch problems
  • •Delivered high-quality backend code in a fast-paced startup environment while fostering knowledge-sharing culture among team members

    • Software Developer

    Freelance
    Feb 2020 – Apr 2024
  • •Turned any UI/UX designs to their pixel-perfect copy on the front end.
  • •Collaborated with backend developers to ensure seamless integration of subgraph data with the frontend, resulting in a more responsive and interactive application.
  • •Built scalable web applications using React and TypeScript, focusing on responsive design and cross-browser compatibility.
  • •Collaborated with clients and cross-functional teams to architect and implement web features, ensuring alignment with user needs and project goals.
  • •Contributed to open-source projects like Storybookjs, enhancing community tools and libraries, while developing scalable web applications with React and TypeScript.
  • •Built AI tools and features using OpenAI, Langchain, typescript e.t.c and integrated them into frontend interfaces using React and Next.
    • Skills
    Programming Languages — Typescript, JavaScript, HTML, CSS, SCSS, Python, GraphQL, SQL,Tact.
    Frameworks — Fastify, Express, NextJs, React, Redux
    Database — MongoDB, PlanetScale, Redis, Big Data
    Cloud Platforms — AWS, GCP, Koyeb, Render, Railway
    Protocols — HTTP, RPC, RabbitMQ
    Payment Gateway — Stripe, PayPal, Paystack
    Version Control — Git, GitHub
    Others — Tailwind CSS, Storybook, Cypress, Jest, Microservices, NodeJS,Clojure, CI/CD pipelines
    Soft Skills — Collaboration, Time Management, Communication, Active Listening, Problem-solving, Technical documentation
    Projects

    A react library inspired by figma to help developers create better UI faster.

    Gives you the ability to create dynamic QR codes. (One where you can change its content anytime in the future)

    Ropsto

    Blockchain Gaming Platform on TON
  • •Designed and implemented a full-stack, real-time multiplayer gaming platform built on the TON blockchain and integrated as a Telegram Mini App. This platform features Rock-Paper-Scissors with cryptocurrency stakes, enabling trustless gaming with real monetary value.
  • •Developed a sharded smart contract system using Tact for individual sharded wallets, and atomic GameMatch Escrow contracts to ensure trustless fund management and automated winner payouts.
  • •Built a high-performance Socket.IO backend using Node.js/TypeScript to manage real-time game state, matchmaking, move validation, game completion, Rematch, and Game Timeout handling.
  • •Integrated directly with the TON blockchain using the @ton/ton SDK for contract deployment and transaction monitoring. Implemented robust security features including balance checks, rate limiting (Upstash), and emergency pause mechanisms across both smart contracts and backend services.
  • •Developed a mobile-first Telegram Mini App using Next.js 15 and React 19, featuring TON Connect integration for seamless wallet transactions, a real-time game UI with Framer Motion animations, and a comprehensive matchmaking system.
    • Education

    Computer Science

    Federal University of Technology
    Akure