Backend Engineer

Sekoia.io rethinks cybersecurity with an innovative SaaS solution: an industry-leading AI-SOC platform capable of neutralizing threats before our customers suffer the impacts. In a world where everything is connected, cyber threats are becoming ever more sophisticated, more numerous and more dangerous. Sekoia.io aims to make these threats painless. With our latest fundraising of €26 million in 2025, we will continue to strengthen our highly ambitious international expansion and our technological development to serve our customers. By joining Sekoia today, you’ll dive into a period of rapid growth, collaborating with a cross‑functional team that leverages cutting‑edge AI to write the playbook for next‑gen security operations centers and extend our global footprint. If you’re passionate about defending the digital world and making a tangible impact, there’s never been a better time to join us We’re looking for an experienced Python developer to reinforce our team and contribute to our mission to deliver the best platform to our users. With 5 years of experience in backend development, you master the coding, testing and deployment best practices. You are willing to thrive in a constantly evolving environment and be a driving force for your team by ensuring clear and effective communication. You will join one of our squads and implement our product major initiatives to reinforce Sekoia's top European positioning in the cybersecurity ecosystem. Your Missions Collaborate with product management, Frontend and Infrastructure teams to build our platform at scale. Innovate to tackle complex technical challenges using industry best practices. Guide & Support team members to foster professional growth and continuous learning, embrace our culture of feedback. Challenge yourself and others. Explore new techniques to improve development processes. Deliver valuable new features to our users. The position can be based in Paris, Rennes or fully remote. Professional trips paid for by the company might be required. We Are Excited To Meet You If You have 5 years professional experience in back-end development, ideally in Python You are autonomous in your technological watch and you are up-to-date with latest standards (FastAPI, REST). You ensure code quality by following good development practices and performing unit tests. You participate in code reviews and provide constructive feedback to team members. You demonstrate architectural thinking. You have strong communication skills. You are driven by simplicity and efficiency You are proficient with modern SaaS technologies: Docker, Kubernetes / Databases (PostgreSQL, Clickhouse) / Queuing (Kafka, Celery) / Caching (Redis) You’re curious about new trends and technological developments. Writing automated tests (Jest, Playwright, etc.) is something obvious for you. You write and speak English fluently Bonus Points You have experience in cybersecurity You have experience working with LLMs Knowledge of Kubernetes/Docker ecosystems is a plus Are you interested in this job but feel you haven’t ticked all the boxes? Don’t hesitate to apply, and tell us in the cover letter section why we absolutely must meet Here’s what’s in store for you if you apply HR Interview with Clémentine, Talent Acquisition Manager (30’) Tech & Culture Fit with Stéphanie, Tech Lead, and Julien, Engineering Manager (45’) Tech Interview with Stéphanie, Tech Lead, and a team member (1h) Wrap‑up with Gaël, Head of Engineering (30’) Our process usually takes about 3 weeks depending on availability, it includes reference calls. The program: discussions rather than trick questions These discussions will help you understand how Sekoia.io works and what it stands for. But they are also (and above all) an opportunity for you to tell us about your career path and your expectations for your next job Sekoia.io is an equal opportunity employer for any minority, disability, gender identity or sexual orientation. We are committed to hiring and supporting diverse teams of people from all backgrounds, experiences, and perspectives. #J-18808-Ljbffr