About me

Who I am

I'm Osiris, a Fullstack TypeScript Developer based in Brazzaville, Congo. I build products end to end, from React, Next.js, Vue and Nuxt interfaces to Node.js APIs developed with Express and NestJS.

Aerial view of Brazzaville and the Corniche bridgeAerial view of Brazzaville and the Corniche bridge

What I do

I design and build fullstack web applications, focusing on clean, scalable and maintainable code and interfaces that are genuinely easy to use.

I have collaborated with multidisciplinary teams across different countries to create, improve and maintain useful digital products.

Portrait of Osiris BalongaPortrait of Osiris Balonga

Experience

Professional experience

  1. Fullstack Developer

    Present

    XKS Group | France | Remote

    Creating and maintaining the company's internal projects across interfaces, application logic and data integration.

  2. Fullstack Developer

    2024 - 2025

    Ayokai | Brazzaville, Congo

    Contributed to Kokamba ERP, HR solutions and the redesign of the Ayokai website with a CMS, blog, internationalization and a back-office administration system.

  3. Front-end Developer

    2023 - 2024

    Coryas | Republic of Congo

    Built interfaces and API integrations for CarriereSoft, a digital HR management platform.

Tools I Use

Frontend

React

Reusable and dynamic interfaces built around a component-first approach.

Next.js

Modern, optimized and maintainable production web applications.

TypeScript

Safer, scalable development with clearer contracts throughout the codebase.

Vue.js

Progressive, approachable interfaces and reactive web experiences.

Nuxt

Fullstack Vue applications with solid routing and rendering foundations.

Tailwind CSS

Consistent responsive interfaces built efficiently from reusable utilities.

Backend & data

NestJS

Structured Node.js APIs with modular architecture and TypeScript throughout.

Prisma

Typed data access and maintainable database workflows.

Supabase

Authentication, databases and backend services for product delivery.

Quality & delivery

Playwright

Reliable end-to-end testing across modern browsers.

PostHog

Product analytics and feedback grounded in real usage.

Docker

Reproducible development environments and reliable application delivery.

Git & GitHub

Version control, collaboration and continuous project delivery.

Bitbucket

Git repository hosting and collaborative delivery in professional teams.

AI-assisted development

Codex

Agent-assisted development for implementation, review and project maintenance.

Claude Code

AI-assisted analysis, documentation and exploration of technical solutions.

Projects

Contact

Let's connect

Open to collaborations and new product challenges. Reach out on one of these platforms.