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Sylvain Joffraud l4w
Available for full-remote contracts and fixed-price projects

Experience

My work

18 years of full-stack experience — payments, e-commerce, B2B booking, PIM/MDM, healthcare, real estate. Each assignment is detailed: context, achievements and tech stack.

10 assignments

Amarris Immo

Full-Stack Developer React · Symfony · Full-remote

2025 — 2026

Two parallel products: Immo-GL (rental management, sole full-stack developer) and Immo-Solo (SCI accounting close, React frontend in a team). Billing engine redesign, Symfony 7 LTS migration, performance audit.

React TypeScript Symfony API Platform PostgreSQL Docker
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Sancare

PHP · Symfony Developer

2025

Architecture modernization and tech-debt reduction on a healthcare platform: partial move to hexagonal architecture, GitLab CI/CD and test-suite optimization.

PHP Symfony Vue.js GitLab CI Ansible ClickHouse
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Akeneo

React · Symfony Developer

2025

“Complex Projects” team: strategic redesign of the product data model (tree structure with attribute inheritance) to position Akeneo against MDM competitors. Legacy Backbone → React migration.

React TypeScript Symfony CircleCI Docker
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TheFork · TripAdvisor

React · Node Developer · Full-remote

2021 — 2024

Supply team: new features and legacy decommissioning. Rewrote Symfony services in Node.js (Hapi), reworked user permissions, Sentry/Datadog monitoring, Kubernetes deployments.

React TypeScript Node.js Kubernetes AWS PostgreSQL
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Turbulent · Star Citizen

Full-Stack Developer

2019 — 2020

Star Citizen — Pledge Store: redesign of the spaceship e-commerce store. Exposed PHP framework data via GraphQL for a React/Apollo frontend, AWS deployment.

React GraphQL Apollo Node.js PHP AWS
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Datspot

Full-Stack Mobile Developer

2019 — 2020

Android/iOS GPS-matching mobile app in React-Native (Expo) on an AWS serverless architecture (Lambda, Amplify, Cognito, DynamoDB, CloudFormation).

React-Native AWS Lambda Amplify DynamoDB Serverless
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HiPay Group

Full-Stack Developer

2017 — 2019

“Console” team: built the new client back-office (interactive transaction view, fraud monitoring, KPIs). API Platform back-end, React/Material-UI front, CI/CD and Docker test images.

React Material-UI Symfony API Platform ElasticSearch Docker
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Netapsys

Tech Lead

2017

Tech Lead role: Spring Boot / Spring Integration back end, Angular 2 front end, PostGIS integration for geographic processing.

Angular 2 Spring Boot PostGIS
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Netapsys

Developer

2011 — 2016

Six years of varied IT-services assignments: web and mobile development (PHP/Symfony, Zend, Java/Spring, AngularJS, Ionic/Cordova, Drupal) for many clients.

PHP Symfony Java AngularJS Ionic MySQL
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4lw

Freelance · Full-remote

2010 — 2011

Start of freelance activity in web development: first websites and apps for clients (PHP, HTML, CSS, JavaScript).

PHP JavaScript HTML CSS
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A profile that fits your needs?

Let's discuss your situation and how I can contribute — staff augmentation or fixed-price, 100% remote.