Moussa B.

Senior Full Stack Developer · Remote · FR / EN

Full Stack + DevOps

I help product teams design, develop, and deploy web & mobile platforms.

10+ years delivering enterprise-grade experiences with Java Spring, NestJS, Angular, Flutter, and Docker-first CI/CD. From Swiss health records to Upwork client portals, I stay close to the business problem while owning the entire stack.

Full Stack · Java Spring + NestJSAngular & Flutter UIDocker | VPS | Cloudflare CI/CDRemote · FR / EN

10+

Years shipping software

Remote

Swiss · European clients

Docker

Hub builds → VPS deploys

FR / EN interface ready

Copy adaptable for bilingual audiences and Upwork profiles.

Skills & Tooling

Build, ship, and operate full-stack platforms.

From backend architecture to end-user interfaces and DevOps automation, I stay accountable for quality, observability, and releases.

Backend

  • Java Spring Boot⭐⭐⭐
  • MySQL⭐⭐⭐
  • REST APIs⭐⭐⭐
  • NestJS⭐⭐
  • Twilio integrations

Frontend

  • Angular (from JS to v20+)⭐⭐⭐
  • Design systems & code reviews⭐⭐
  • React & Next.js

Mobile

  • Flutter⭐⭐
  • Android (Play Store releases)
  • Offline/Cloud sync architecture

DevOps

  • Docker image authoring⭐⭐
  • GitHub Actions automations⭐⭐
  • CI/CD to Docker Hub
  • Cloudflare Pages, Vercel & VPS pipelines

Projects

Highlights that resonate with Upwork full-stack clients.

Each engagement includes stack ownership, automated deployments, and transparent reporting.

Current role · full stack ownership

Delta Réseau de Soins — Medical SaaS

Java Spring Boot • Angular • MySQL

Ship patient modules, migrate legacy PHP tooling, and integrate teleconsultation via Twilio across a distributed Swiss medical platform.

Own secure API design, enforce reviews, and align Angular releases with Spring deployments for remote teams.

End-to-end delivery for an agency

Real Estate Webapp — Upwork Client

NestJS • MySQL • Angular (latest)

Multi-role property management portal with listings, lead capture, and sales workflows accessible from desktop and mobile.

Frontend auto-deploys to Cloudflare Pages. Backend builds Docker images, pushes to Docker Hub, and rolls out to a VPS.

Flutter mobile + NestJS sync

Meter Companion — Personal App

Flutter • NestJS • MySQL

Offline-first counter with on-demand sync to a private API hosted on my VPS.

Play Store delivery, Dockerized backend.

Playful learning for primary school students

Math Trainer — Education Side Project

Flutter • Custom backend services

Profiles per student, QCM or free-input exercises, timed modes, and adaptive difficulty to help kids memorize tables.

Play Store launch.

Experience

Timeline built on remote delivery and regulated industries.

Fast learner since 2009: testing, performance engineering, mobile, and now end-to-end full stack. Clients trust me with long-term engagements and production stability.

2020 – Present

Senior Full Stack Developer

Delta Réseau de Soins SA · Remote

  • End-to-end features across Angular + Spring + MySQL.
  • Secure REST APIs for sensitive patient flows.
  • Legacy PHP to modern full stack migration.
  • Teleconsultation integration with Twilio.

2019

Angular Developer

Delta Réseau de Soins SA · Remote

  • AngularJS to Angular upgrade (Webpack, TypeScript).
  • Calendar, dermatology, and wound-care modules.
  • SVG-powered medical visualizations.

2018

Android Developer

Delta Réseau de Soins SA · Remote

  • Stripe payments, Espresso tests, and Play Store releases for Altidoc & DeltaSmartPro.

2017

AngularJS Web Developer

Delta Réseau de Soins SA · Remote

  • Feature delivery & maintenance across internal healthcare modules.

2015 – 2017

Performance & Test Consultant

Qim Info · Genève

  • Dynatrace monitoring, HP LoadRunner performance testing, ALM infrastructure ownership.

2014 – 2015

Advanced Test Consultant

Itecor · Vevey

  • Automation with HP UFT, mobile testing, project coordination for PMI, Nespresso, Nestlé, État de Vaud.

2012 – 2013

Software Test Engineer

Sefas Innovation · Paris area

  • Mercury Tools (QC/QTP) automation & L2 support across digital document solutions.

2009 – 2012

R&D Aerodynamics Engineer

Moissy-Cramayel

  • CFD with ONERA's Elsa and structural simulations via Abaqus.

Let's collaborate

Ready for your next full-stack or DevOps-friendly mission.

I work as an independent contractor or Upwork expert.

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