Senior Software Engineer - TypeScript /Node.js

Senior Software Engineer

We're looking for a Senior Software Engineer to join our Engineering & Data team. In this role, you'll take full ownership of your scope from solution design to deployment, balancing quality with efficient delivery.

Responsibilities:

• Design & build business-focused full-stack applications in a cutting-edge, evolving environment
• Contribute to our state-of-the-art growth engine, helping scale apps & games to millions of users
• Participate in business strategy discussions and consistently deliver innovative solutions to business teams
• Demonstrate technical excellence and help define best practices — write the code others aspire to
• Develop team tooling and be a driving force behind improvement proposals
• Support teammates' growth
• Own features end-to-end: from architecture and implementation to deployment and monitoring
• Work with event-driven systems (SQS/SNS) to build robust, decoupled services

Required Profile:

• 5+ years of professional software engineering experience
• Strong proficiency in TypeScript/ Node.js (NestJS)
• Good knowledge of industry best practices (SOLID, KISS, YAGNI, DDD, TDD...)
• Extensive experience delivering successful products with high value to internal, B2B or B2C users
• Strong experience tackling complex backend challenges: breaking down monoliths, building systems from scratch, rules-based engines, complex third-party integrations
• Pragmatic, adaptable and results-oriented with a problem-solving approach
• A product mindset — you care about the user, not just the code
• Proficiency with PostgreSQL — schema design, migrations, query optimization
• Strong ownership mindset: autonomous, innovative, and able to drive initiatives independently
• Strong communication skills in English (French is a plus)

Nice to have:

• Vue.js experience or familiarity with a modern frontend framework
• Experience with CircleCI or similar CI/CD pipelines
• Infrastructure-as-code (Terraform, CDK, Helm)
• Observability tooling: OpenTelemetry, Grafana

Our Stack:

• TypeScript; Node.js; NestJS; PostgreSQL; Terraform; CDK; Helm; OpenTelemetry; Grafana

Benefits:

• Competitive salary based on experience
• Swile Lunch voucher
• Gymlib (100% covered by Voodoo)
• Premium healthcare coverage with SideCare, 100% covered for you and your family
• Wellness activities in our Paris office
• Remote Fridays