Full Stack Developer

Lacework

Lacework

Software Engineering

Alpes-Maritimes, France

Posted on Jun 4, 2026

Fortinet (NASDAQ: FTNT) protects the most valuable assets of some of the largest enterprise, service provider and government organizations across the globe. The company's fast, secure and global cyber security solutions provide broad, high-performance protection against dynamic security threats while simplifying the IT infrastructure. If you're looking for a fast-paced, challenging and rewarding environment, then Fortinet is the place for you. With offices in EMEA, we are an equal opportunity employer offering exciting work, competitive compensation and benefits. Fortinet is looking for the best and the brightest to join our highly motivated team.

Job Title:

Senior Full-Stack Developer

Reports to:

Infrastructure Manager

Location:

EMEA Support Center – Sophia-Antipolis, France

Job Description Summary:

Fortinet EMEA Labs is seeking an experienced Senior Full-Stack Developer with a strong interest in cybersecurity to join its Software Engineering team. As a senior member of a six-person team, you will play a pivotal role in the design, development, and delivery of sophisticated application modules supporting our network security infrastructure.

Key Responsibilities:

  • Architect, develop, test, and document complex full-stack application modules in alignment with cybersecurity requirements and business objectives

  • Assess and evaluate new application ideas, translating requirements into actionable implementation plans

  • Collaborate with cross-functional stakeholders to gather and refine requirements, ensuring timely delivery of high-quality solutions

  • Conduct thorough code reviews and enforce quality standards through unit testing, integration testing, and adherence to best practices

  • Identify, analyse, and resolve performance bottlenecks, security vulnerabilities, and technical debt within existing applications

Skills and Attributes Requirements:

Excellent analytical and problem-solving skills with a structured, detail-oriented approach

Deep understanding of the full software development lifecycle, agile methodologies, and engineering best practices

Advanced proficiency in front-end technologies: React, jQuery, HTML5, and CSS3

Strong proficiency in back-end scripting and development languages: Python, Perl, node.js

Experience designing and integrating RESTful APIs and web services

Familiarity with version control systems, particularly Git, and CI/CD pipelines

Solid understanding of application security principles; knowledge IP networking and cybersecurity concepts is a strong asset

Effective written and verbal communication skills, with the ability to convey complex technical concepts clearly

Demonstrated ability to work autonomously and collaboratively within a multidisciplinary team environment

Educational and Experience Requirements:

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related discipline

• Minimum 5 years of professional experience in full-stack development, with a demonstrable track record of delivering production-grade web applications

Advanced proficiency in English (written and spoken); French is considered an asset

#hybrid#


Fortinet (NASDAQ: FTNT) protects the most valuable assets of some of the largest enterprise, service provider and government organizations across the globe. The company's fast, secure and global cyber security solutions provide broad, high-performance protection against dynamic security threats while simplifying the IT infrastructure. If you're looking for a fast-paced, challenging and rewarding environment, then Fortinet is the place for you. With offices in EMEA, we are an equal opportunity employer offering exciting work, competitive compensation and benefits. Fortinet is looking for the best and the brightest to join our highly motivated team.