Ngu Kingsely Junior Cho
Full-Stack Engineer
Yaoundé,CE
Summary
React, Next.js, NestJS, and Sails.js work across an Nx monorepo, with delivery spanning microservices, gateways, and admin tooling. Built agent execution, retrieval, and on-chain payment features while reviewing PRs and guiding transaction boundaries, gRPC contracts, and error handling. Strong fit for hands-on platform development.
Overview
5
5
years of professional experience
Work History
Full Stack Developer
Neoworlder Tech LLC
04.2024 - 09.2026
- Supported accounting service for autonomous AI-persona platform, maintaining double-entry ledger across five currencies, including USDC, MDR credit, and BUN, with every movement recorded as balanced pairs.
- Helped expose service through gRPC behind separate user and admin gateways, with Stripe purchase and subscription webhook flows plus credit-expiry jobs.
- Led accounting service for autonomous AI-persona platform, designing double-entry ledger across five currencies, including USDC, MDR credit, and BUN, with balanced pair writes for every movement.
- Achieved reliable accounting and credit flow for autonomous AI-persona platform through double-entry ledger design, balanced multi-currency writes, and support for heaviest write path.
- Protected about $12,000 in USDC migration funds and over $2,500 in Prism game prize payouts plus matching MDR by routing every agent-run debit through accounting service.
- Shipped Versa Wallet in Next.js and ethers.js for on-chain USDC claims, NFT listings, gas estimation, and PIN-based recovery, with contract addresses configured per network across Sepolia and Mainnet.
- Improved production quality across about 15 services in 7-engineer team over two and a half years, with peer PR review, coaching on transaction boundaries, typed error propagation, and gRPC contract changes between gateways and services.
Full-Stack Developer
Codevigor (acquired by NeoWorlder)
08.2022 - 03.2024
- Developed server-rendered web applications in Sails.js using Pug templates and jQuery, implementing REST endpoints and MongoDB data models for enhanced interactivity.
- Rewrote company's Sails services to integrate with NeoWorlders APIs and data models, ensuring seamless operation during migration.
- Collaborated with team remotely
Mentor, volunteer
Microverse
10.2021 - 08.2022
- Collaborated with others by contributing time, effort and skills to achieve the organization's goals.
- Offered support and assistance to community members.
- Helped with prep, set up, and breakdown of community and public events.
- Collaborated with teams online
- Reviewed junior developers' code for recently completed program, enhancing structure and readability.
Education
Master of Science - Telecommunications Engineering
National Advanced School of Engineering (ENSPY)
Yaounde09-2025
Remote Full-Stack Development Program -
Microverse
Remote08-2022
Skills
- TypeScript
- JavaScript
- React
- Nextjs
- NestJS
- Nodejs
- REST APIs
- WebSockets
- Sailsjs
- SQL
- PostgreSQL
- Docker
- Kubernetes management
- CI/CD pipelines
- PM2
- Monorepo management
- Ruby
PROJECTS
Commence, 2025 2025, master's thesis, Built in TypeScript: a Mininet-based SDN gateway between the front end and a NestJS microservice backend. It gives one place to enforce secure service-to-service calls and shape traffic.
Timeline
Full Stack Developer
Neoworlder Tech LLC
04.2024 - 09.2026
Full-Stack Developer
Codevigor (acquired by NeoWorlder)
08.2022 - 03.2024
Mentor, volunteer
Microverse
10.2021 - 08.2022
Master of Science - Telecommunications Engineering
National Advanced School of Engineering (ENSPY)
Remote Full-Stack Development Program -
Microverse