Full Stack Developer, SaaS Platforms

GAMIFY

Full Stack Developer at Gamify creating interactive games and SaaS platforms. Collaborate with clients and develop innovative solutions using HTML5 and AI integration.

Posted 6/24/2026internshipBègles • 🇫🇷 FranceEntry LevelWebsite

Tech Stack

Tools & technologies

JavaScriptLaravelMySQLNode.jsPHPReactSymfonyWebpack

About the role

Key responsibilities & impact

Client follow-up & mastery of the MYGAMIFY SDK
Support existing clients (France Télévisions, regional press publishers - PQR): technical support, issue handling, satisfaction monitoring, coordination of deployments to production.
Master the SDK architecture: event API, score management, CMS callbacks, configuration system, multi-platform iframe integration.
Provide maintenance and updates for 29+ games in production: bug fixes, compatibility, performance optimization, version upgrades.
Transfer this expertise to new e-commerce platforms: adapt the SDK's proven game mechanics to create gamified acquisition experiences on merchant sites.
Document processes, capture best practices and contribute to the technical knowledge base.
Design and develop new games integrated into the SDK in co-development with Claude (Anthropic): game logic, scoring, timers, animations.
Build real-time multiplayer games (live quizzes, duels, interactive buzzer), word games (word search, crosswords, anagrams) and modernized arcade games.
Write precise prompts, critique and improve AI outputs before integration.
Actively participate in building two innovative web platforms, from design to production: Back-end PHP/Symfony/Laravel & MySQL — API architecture, user management, subscription system, dashboards, third-party integrations (payment, analytics).

Requirements

What you’ll need

PHP (Symfony) / MySQL (Doctrine) — strong proficiency, MVC architecture, REST APIs, relational database management.
JavaScript ES6+ — async/await, modules, DOM, events, timers, data manipulation.
AI-assisted development — experience with Claude (Code, Artefact, Data Processing, Cowork). Ability to write structured prompts and evaluate outputs.
HTML5 / CSS3 — responsive mobile-first implementations, animations, Canvas.
Git / GitHub — branching, pull requests, merge conflicts, collaborative workflow.
Technical SEO — understanding of fundamentals: semantic markup, Core Web Vitals, indexing, internal linking.
Analytics & data — ability to implement tracking (GA4, Matomo or equivalent), interpret metrics and drive decisions by data.
Appreciated skills (a real plus): React — for admin interfaces and SaaS platforms. Node.js — scripting, automation, internal tools. Claude API / AI agents — experience with the Anthropic API, building automated pipelines. WebSocket / real-time — Socket.io for multiplayer games. Build tools — Webpack, Vite or equivalent. Growth hacking / acquisition — basics of conversion funnels, A/B testing, organic acquisition strategies. Interest in e-commerce and/or media — understanding of the business challenges of our clients.

Benefits

Comp & perks

Apprenticeship of 12 to 24 months: Start September 2026
Hybrid work: On-site + Remote
Possible permanent hire (CDI) at the end of the contract
A hybrid, agile and supportive work environment.
Two SaaS platforms under development — you won’t be maintaining legacy systems, you’ll build products from scratch.
Games you develop will be visible in production with real clients within the first weeks.
Skill development in AI applied to development, SEO and agent creation.
Direct access to the decision-maker — no bureaucracy, immediate feedback, real responsibilities.
A varied technical playground: SaaS, games, AI, analytics, SEO, acquisition.
Iconic media clients: France Télévisions and other national press groups.
A hybrid on-site + remote rhythm adapted to your apprenticeship schedule.
Possibility of a permanent contract (CDI) at the end of the assignment for profiles who prove themselves — we are building a team, not a short-term placement.
A fun and friendly job with major prospects. Trust-based collaboration is at the core of our relationship.
Bonus: A 5-day immersive training at the partner agency that develops the SDK is included in the apprenticeship. You will have direct access to the technical teams, working methods and the SDK architecture — a rare, concrete opportunity offered from day one.

ATS Keywords

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Hard Skills & Tools

PHPSymfonyMySQLJavaScript ES6+HTML5CSS3GitGitHubTechnical SEOAnalytics

Soft Skills

client follow-uptechnical supportissue handlingsatisfaction monitoringdocumentationprocess improvementcollaborationproblem-solvingcommunicationadaptability