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mambo_joy

Mambo Joy Cho

@mambo_joy

Backend Software Engineer

Cameroon
English, French
About me
I am a Backend Software Engineer with over 5+ years of experience building scalable backend systems and RESTful APIs using Node.js, TypeScript, and NestJS. I have a proven ability to lead engineering teams, mentor developers, and translate complex business requirements into production-ready technical solutions. I am passionate about clean architecture, system design, and delivering measurable business value.... Read more

Skills

m
mambo_joy
Mambo Joy Cho
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will build scalable backend systems and catchy frontend
From$750 / projectMore details

Portfolio

Work experience

QueueSlot

Backend Developer

QueueSlot • Part-time

Sep 2023 - Apr 2025 • 1 yr 7 mos

Developed and maintained backend services powering QueueSlot, a SaaS appointment scheduling platform. Designed and implemented RESTful APIs supporting appointment booking, queue management, notifications, and user workflows. Built backend functionality using Node.js, NestJS, and SQL databases following clean architecture principles. Integrated AWS SES for automated transactional email delivery. Collaborated with distributed engineering teams using GitHub, GitLab, and Jira to deliver production-ready features. Participated in code reviews, debugging, testing, and technical planning to improve software quality and maintainability.

PremierDev

Backend Developer

PremierDev • Part-time

Apr 2021 - Jan 2023 • 1 yr 9 mos

Developed backend services and REST APIs using Node.js for web applications across multiple industries. Collaborated with frontend developers to deliver end-to-end product functionality. Participated in product planning and technical design discussions. Wrote clean, maintainable backend code while contributing to testing, debugging, and technical documentation.

Seven_GPS

Software Developer

Seven GPS • Full-time

Aug 2021 - Aug 2022 • 1 yr

Developed backend and frontend features using Node.js, NestJS, and Angular. Integrated third-party APIs into enterprise web applications. Participated in solution design sessions with engineering teams and clients. Supported production systems by troubleshooting issues and implementing enhancements.