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Salary: EUR 55,000 - 65,000 / annual
HarfangLab is a French cybersecurity scale-up founded in 2018, specializing in EDR (Endpoint Detection and Response), EPP (Endpoint Protection Platform), and ASM (Attack Surface Management) solutions. The company has raised €30 million and grown from 40 to 130 employees, protecting endpoints for over 800 clients including CAC 40 companies, government entities, hospitals, and local authorities. HarfangLab was the first EDR certified by ANSSI in 2020 and obtained ANSSI qualification in 2025, and is part of the French Tech 2030 program.
You will join the Product Department as a Senior Front End Software Engineer within a 7-person frontend team responsible for building and continuously improving the cybersecurity platform. You will work closely with UX, Back End, Agent, AI, and DevOps teams, acting as a key coordination point. The role involves integrating new features, ensuring scalability, improving code quality, and proactively suggesting improvements. You will work with TypeScript, Vue 3, and Sass, using agile methodologies with quarterly squad rotations to expose you to different projects and team members.
Key responsibilities include developing new features for the platform, maintaining simple and readable code that scales with client needs, and taking initiative to grow into areas of responsibility. You will be encouraged to collaborate, share knowledge, and discuss technical topics with the team.
Required qualifications: Master's degree or engineering school diploma in computer science; minimum 5 years frontend development experience with at least 2 years professional Vue.js experience; strong modern JavaScript (ECMAScript) knowledge; proficiency in CSS with UX/UI design understanding; Git and Linux comfort; fluency in French and English. Soft skills include teamwork, autonomy, initiative, curiosity, and meticulous attention to detail.
The office is located in central Paris (75002, near Bourse). Remote work is available provided you are based in France. Compensation: €55-65K annually plus profit sharing. Benefits include Alan health insurance and mental wellness app (80% covered), Egym fitness subscription (80% covered), Swile meal vouchers, 25 days annual leave plus 8-11 RTT days, and access to tailored training programs and industry events.
