Building scalable software, clean architecture, and
open-source contributions.
Senior Full-Stack Engineer | TypeScript · NestJS · Angular · Next.js
About
Crafting software that scales.
I'm Samuel, a Senior Full-Stack Engineer with 4+ years of professional experience building production-grade applications. I specialize in the TypeScript ecosystem — from NestJS backends and Angular frontends to Next.js full-stack applications.
My work centers on clean architecture, domain-driven design, and writing code that teams can maintain and extend confidently. I care deeply about developer experience, from local tooling to CI/CD pipelines.
Beyond client work, I'm an active open-source contributor, primarily within the Ever Co. ecosystem — shipping features, reviewing PRs, and improving documentation for projects used by developers worldwide.
When I'm not coding, I write technical articles on Dev.to and Zabibu, sharing what I learn about TypeScript, Angular, NestJS, and software architecture patterns.
Services
What I build for you.
From architecture to deployment, I cover the full spectrum of modern web development.
Backend Engineering
Scalable REST and GraphQL APIs with NestJS, TypeScript, and clean architecture patterns. Built for performance, testability, and long-term maintainability.
Frontend Development
Pixel-perfect UIs with Angular and Next.js. Type-safe, accessible, and optimized for Core Web Vitals. From design system to production.
Database Architecture
Schema design, query optimization, and migration strategies for PostgreSQL and MongoDB. ORM expertise with TypeORM and Prisma.
Open Source & Consulting
Active contributor to the NestJS ecosystem. Technical consulting on architecture decisions, code reviews, and developer tooling.
Services
What I build for you.
From architecture to deployment, I cover the full spectrum of modern web development.
Backend Engineering
Scalable REST and GraphQL APIs with NestJS, TypeScript, and clean architecture patterns. Built for performance, testability, and long-term maintainability.
Frontend Development
Pixel-perfect UIs with Angular and Next.js. Type-safe, accessible, and optimized for Core Web Vitals. From design system to production.
Database Architecture
Schema design, query optimization, and migration strategies for PostgreSQL and MongoDB. ORM expertise with TypeORM and Prisma.
Open Source & Consulting
Active contributor to the NestJS ecosystem. Technical consulting on architecture decisions, code reviews, and developer tooling.
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Tech Stack
Tools I work with.
A curated set of technologies I use to build production-grade software.
Languages
Frontend
Backend
Databases & ORMs
DevOps & Tooling
Practices
Experience
Where I've worked.
4+ years building production systems for startups and open source projects.
Senior Full-Stack Engineer
- Contributed to Ever Gauzy — an open-source Business Management Platform used by 1,000+ teams worldwide, working across the full stack with NestJS, Angular, and GraphQL.
- Contributed to Ever Teams, a real-time team collaboration and time-tracking SaaS built with Next.js and NestJS, implementing features for task and time management.
Software Engineer
- Developed and maintained scalable web applications using NestJS for the backend API and Angular for the frontend, following clean architecture principles.
- Built RESTful and GraphQL APIs integrated with PostgreSQL, focusing on performance, security, and maintainability.
Full-Stack Engineer
- Delivered full-stack web applications for clients across e-commerce, fintech, and SaaS verticals via Upwork with a 100% Job Success Score.
- Built custom REST and GraphQL APIs with NestJS, focusing on authentication, authorization, and real-time features.
Also built
RushHour
Revolutionizing Global Logistics
Complete platform for managing supply chains, simplifying delivery operations, and optimizing logistics processes with a centralized, reliable solution.
MinervaGri
Digital Infrastructure for Agriculture
Deploys the digital infrastructure needed to empower smallholders and guarantee real equity on the global market.
Formation Nativo
Online Training Platform
E-learning platform offering professional training programmes, courses, and certification paths.
AAHead Africa
Targeted Advisory Services
Provides foresight, deep functional expertise, and a practical approach to solve clients’ most pressing challenges and achieve their ambitions.
Open Source
Code I ship in the open.
Active contributor to production open-source projects used by developers worldwide.
Open-source Business Management Platform. Core contributor implementing HR, time-tracking, and project management modules with NestJS and Angular.
1,000+ GitHub stars · 200+ PRs merged
Real-time team collaboration SaaS. Led Next.js frontend architecture and contributed NestJS API endpoints for task and time management.
Active users in 20+ countries
Open-source translation management platform. Improved API performance by 40%, added bulk operations, and enhanced developer documentation.
40% API performance improvement
Contributor to NestJS core ecosystem libraries. Bug fixes, documentation improvements, and feature proposals across multiple official packages.
Merged PRs in core packages
Active contributor to the Wikimedia ecosystem — editing and expanding Wikipedia articles, improving content accuracy, and participating in the global knowledge-sharing community.
Contributing to the world's largest free encyclopedia
Education
Always learning.
University of Kigali
Bachelor's Degree, Computer Science
Expected Sept. 2025 (Sept. 2025)
Kinshasa Digital Academy
Web and Mobile Developer
June 2022 — March 2023
ULPGL
Applied Technologies, Computer Engineering
Completed
Writing
Thoughts & articles.
I write about TypeScript, NestJS, Angular, and software architecture.
API REST avec Prisma , PostgreSQL et Express
CONTENEUR VS MACHINE VIRTUELLE
AUTHENTIFICATION AVEC NODE JS/EXPRESS JS
Optimizing Angular 18 Applications with Lazy Loading
Mastering Control Flow in Angular: A Comprehensive Guide
Activity