CDI - Senior Software Engineer
$69,550–$90,950 year
Hybrid · Paris, Île-de-France, France or Bordeaux, Nouvelle-Aquitaine, France
Job Summary
Senior Software Engineer responsible for designing and delivering end-to-end features on Matera's platform using Ruby on Rails and React/React Native, autonomously from conception to production. Architect robust solutions within Domain-Driven Design and Clean Architecture, contribute to GenAI in-house initiatives with LLM agents, participate in roadmap discussions, defend active opinions, and drive technical excellence through high-quality code reviews, mentoring, and knowledge sharing. Ride on a tech stack including Rails, React, React Native, PostgreSQL, Redis, OpenSearch, with monorepo practices; leverage RSpec, Cucumber, CI/CD (GitHub Actions), Kubernetes, observability tools (Sentry, Grafana, Loki), and AI tooling (Cursor, LLM orchestrator). Lead by example to elevate the team and align with the CTO/Staff technical vision. Flexible, hybrid work in multiple French cities (Paris, Lyon, Marseille, Toulouse, Annecy, Bordeaux) with 2 days per week in the office.
Required Qualifications
- 8+ years backend experience
- Ruby on Rails expertise
- Technical leadership / mentoring
- Ability to design end-to-end features
- Experience with React/React Native and TypeScript
- Strong architectural skills (DDD, Clean Architecture)
- CI/CD with modern tooling (e.g., GitHub Actions)
- Autonomy to own features from conception to production
- Stakeholder engagement and roadmap contribution
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