Career
Back-End Developer (Full time, Paris)
We are looking for an experienced Back-End Developer with at least 3 years of experience to join our engineering team. You will build the infrastructure behind our sovereignty data products, ensuring scalability, reliability, and security.
Key responsibilities
Design and implement APIs powering Origin, Sentinel, and Nexus
Develop scalable microservices and data pipelines
Ensure high performance, security, and reliability of back-end systems
Collaborate with front-end developers and data scientists
Optimize databases and support real-time analytics delivery
Qualifications
3+ years as back-end developer (Python, Node.js, or Go)
Strong knowledge of SQL / PostgreSQL, APIs, cloud infrastructure
Familiarity with authentication, data security, and scaling architectures
English fluency required
Bonus: experience in SaaS, data products, or competitors (Prewave, Ecovadis, Greenly, top 5 strategy firms)
What we offer
Full-time contract in Barcelona
Competitive salary and equity package
Chance to work on global-scale sovereignty solutions
Collaborative environment in a mission-driven scale-up
Key responsibilities
Design and implement APIs powering Origin, Sentinel, and Nexus
Develop scalable microservices and data pipelines
Ensure high performance, security, and reliability of back-end systems
Collaborate with front-end developers and data scientists
Optimize databases and support real-time analytics delivery
Qualifications
3+ years as back-end developer (Python, Node.js, or Go)
Strong knowledge of SQL / PostgreSQL, APIs, cloud infrastructure
Familiarity with authentication, data security, and scaling architectures
English fluency required
Bonus: experience in SaaS, data products, or competitors (Prewave, Ecovadis, Greenly, top 5 strategy firms)
What we offer
Full-time contract in Barcelona
Competitive salary and equity package
Chance to work on global-scale sovereignty solutions
Collaborative environment in a mission-driven scale-up
