Jobs in Nantes, Francia

Filigran, founded in October 2022, stands out in the cybertech ecosystem for its commitment to revolutionizing cyber threat management with a proactive approach. Its mission is to develop innovative open-source solutions designed to anticipate cyber threats, identify security gaps, and strengthen organizational security posture.

Filigran solutions are now trusted by over 6,000 public and private organizations worldwide.

We're looking for a Senior Software Engineer Python – Integration to join our Integration Engineering team and help us design and deliver robust integration solutions that connect our core platforms, OpenBAS and OpenCTI, with a variety of external platforms and services.

You'll work closely with software engineers and product managers, contributing to seamless system interoperability and enhancing the overall efficiency and capabilities of our technology stack.

• Design, develop, and maintain integration solutions using Python to connect OpenBAS and OpenCTI with external platforms and services

• Proficient in investigating and analyzing APIs to gain a comprehensive understanding of external systems.

• Skilled at exploring third-party APIs and interpreting their functionality to integrate with remote systems effectively.

• Collaborate with software engineers and product managers to gather requirements and define integration strategies

• Ensure the reliability, scalability, and security of integration solutions through best coding practices and architecture decisions

• Troubleshoot, debug, and resolve integration issues to maintain seamless system interoperability

• Write and maintain clear technical documentation for integration processes, APIs, and workflows

• Review code and provide mentorship to other engineers to promote knowledge sharing and high-quality standards

• Stay up to date with emerging technologies and propose improvements to enhance integration capabilities

• Contribute to the continuous improvement of our development processes and integration frameworks

• You will report to the Integration Engineering Manager

• You’ll collaborate closely with software engineers and product managers to design and deliver integration solutions

• You’ll work alongside stakeholders from other technical teams to ensure seamless interoperability between platforms

• You may provide mentorship and technical guidance to junior engineers within the team, fostering a collaborative and knowledge-sharing environment

• 5+ years of experience in software engineering, with a focus on Python and system integration

• Comfortable working in a remote, async-first environment and collaborating across time zones

• Strong technical skills in Python, API design, and integrating complex platforms

• Proven ability to work autonomously, take ownership of projects, and contribute to a positive team culture

• Excellent problem-solving skills and a proactive, solution-oriented mindset

• Bonus: Experience in Cyber Threat Intelligence, experience with or interest in OpenBAS, OpenCTI, or similar integration platforms, security in integrations, or mentoring junior engineers

We’re a fast-growing, global, and fully remote company on a mission to empower defense teams to be proactive — through open-source solutions that uncover threats and drive action.

• ⭐ What we believe

  We believe we do work that matters — uniting defenders into a global community to make security more open, resilient & collaborative.

• 💻 How we work

  That belief fuels how we work — with focus, clarity and high standards. Always with care and respect, never with ego.

• 🧭 What guides us

  That focus and care is grounded in our CORE values: Cohesion, Openness, Responsibility, and Equity — the compass that guides our decisions, collaborations, and growth, even when no one’s watching.

• Competitive pay + equity — everyone shares in our success

• Remote-first, flexible, and balanced — work that fits your life

• Your setup, your choice — pick the gear that works for you

We enable cybersecurity through inclusion — from code to culture.

At Filigran, we are proud to be an equal opportunity employer. We believe diversity of our people make our products and our team stronger. We welcome talent of every background, identity, and lived experience — regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, age, disability, or veteran status.

What matters here is what you bring — not what you look like, where you’re from, or how you identify.

Apply now and help us build the future of the cybersecurity ecosystem — together.