We are seeking a passionate Back-End Developer who excels in creating scalable and efficient back-end systems using TypeScript and JavaScript. You will play a key role in developing new platform capabilities and integrating them with existing systems. Your work will directly impact our ability to deliver high-quality products that meet the needs of our users.
🕹️ In this role, you will:
Be responsible for developing new features and maintaining existing ones in our back-end systems
Collaborate closely with product teams to understand challenges and develop effective solutions
Share insights and feedback with research teams to refine our technology stack
Ensure robust data models, architecture, and security practices are in place
Conduct unit testing with Jest to ensure code quality
Extensive experience with NestJS, TypeScript, and JavaScript
Proficiency in developing REST APIs and using Websocket
Strong understanding of relational databases, particularly PostgreSQL
Skilled in writing and maintaining unit tests for applications
Experience with CRM integrations (e.g., Hubspot, Salesforce)
Background in data projects involving import/export and data manipulation
Familiarity with Elasticsearch or similar search technologies
Knowledge of hexagonal architecture principles
Experience with queue systems like BullMQ
Exposure to AWS services
Interest in AI technologies
Interest in CI / CD processus
A curious and passionate developer with a strong desire to learn
You have strong teamwork skills and are an effective communicator
Self-motivated and comfortable working remotely
Experienced in agile methodologies
A senior professional with significant experience in startup environments
Front-end development skills would be a plus
Proficient in English
An ambitious and supportive team that values innovation, collaboration, and autonomy.
Complete autonomy in your role — no micromanagement, only trust and empowerment.
A hybrid and remote-friendly environment
Remote sponsorship after the trial period
A learning-focused culture, with access to training budgets and weekly English lessons to support your development.
A welcoming company life: weekly office breakfasts, quarterly team buildings, and a great atmosphere!
🔎 Interview process
Apply to the job offer
Meeting with Thomas our CTO
Technical test
Meeting with tech team
Meeting with Dorian (CEO)
Potential reference check
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Nantes · Paris