• Design and develop RESTful APIs using FastAPI • Write complex T-SQL queries and optimize databases • Build and maintain data models using Pydantic v2 • Author automated test suites using Pytest or similar frameworks • Collaborate with frontend teams to define API contracts • Participate in code reviews and architectural discussions • Identify and resolve performance bottlenecks

• You'll implement backends and their interactions with various data stores and other APIs (including 3rd party APIs). • You'll work in an agile environment focusing on projects that are impactful on our business. • You'll support reliable databases and APIs for real-time automated decision-making. • You'll deploy your software using industry-standard tooling like Kubernetes clusters, and Lambda functions. • You'll investigate and resolve production issues by analyzing code, data, and system behavior and then propose and implement timely fixes to minimize user impact. • You'll care deeply about security in everything you do and constantly raise the baseline of how we defend our user's data against external threats and themselves. • You'll implement robust automated test suites to ensure high quality and low failure rate of delivered code. • You'll work closely with Product Managers, Senior Engineers and Architects to understand business processes, rules, and requirements, and turn them into high-quality code with automated tests, and deploy them to production. • You’ll have a lot of chances to develop your programming skills as well as learn a lot about how tech business is done in the US (if you want to).

• Design and build scalable backend systems on AWS • Centralize user authentication and order management across multiple Shopify stores • Integrate legacy systems into a unified app-based architecture • Contribute to the Breeze mobile app ecosystem • Lead key initiatives including multi-store order management consolidation, AI chatbot integration (SuperChat), and dynamic bundle builder for multi-destination travel • Leverage AI tools daily to accelerate development and problem-solving • Collaborate cross-functionally with product, marketing, and partner teams

Role Description Intégré(e) à une équipe projet en full remote, tu participeras activement au développement de solutions digitales : - Concevoir et développer des applications métiers - Intervenir sur le front-end (React) et/ou back-end (Node.js / Nest.js) - Participer aux phases de tests, débogage et amélioration continue - Collaborer aux rituels agiles (daily, sprint, revue…) - Rédiger de la documentation technique claire Tu travailleras sur des projets concrets avec un impact réel, et tu seras progressivement responsabilisé(e). Selon les projets, tu pourras utiliser : - Langages : Node.js - Frameworks : React, Nest.js - Outils : PostgreSQL, GraphQL, AWS, Git, Docker, API REST - Méthodes : Agile / Scrum - Utilisation d’IA de développement (ex : Claude Code) Qualifications - Tu es étudiant(e) en développement informatique (Bac+2 en cours ou validé) - Tu es curieux(se) et motivé(e) - Rigoureux(se) avec une vraie envie d’apprendre - À l’aise avec les bases du développement (au moins un langage) - Autonome et à l’aise en travail à distance - Bonus si tu as déjà un projet perso ou une première expérience (stage, alternance, GitHub…) Benefits - Développer des applications complètes (front & back) - Travailler en méthodologie agile en équipe - Utiliser des outils modernes (cloud, APIs, IA…) - Gagner en autonomie et en prise d’initiative Processus - Entretien avec l’équipe Wijin - Validation du projet professionnel - Mise en relation avec une entreprise partenaire Nous privilégions les profils motivés, curieux et impliqués, plus que les CV parfaits.