Cyber Security Software Developer

Overview

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology. Cadence is a pivotal leader in electronic design, building on more than 30 years of computational software expertise. We apply our Intelligent System Design strategy to deliver software, hardware, and IP that turn design concepts into reality. This strategy is supplemented by AI-augmented development practices throughout all our organizations to empower our team to focus on creative problem-solving and innovation. Our customers are the world’s most innovative companies, delivering extraordinary electronic products—from chips to boards to systems—for dynamic market applications including consumer, hyperscale computing, 5G communications, automotive, aerospace, industrial, and health. Join us and be part of a culture that values innovation, collaboration, and customer success.

At Secure-IC, a Cadence company, we hire and develop leaders and innovators who want to make an impact on the world of technology.

Job Title: Cyber Security Software Developer.

Location: Rennes

Reports to: Senior Design Engineering Manager

Position

Job Overview

The position focuses on software development for security research and evaluation. The engineer will design and develop tools used to automate, analyze, and support security activities, including vulnerability research and advanced testing scenarios.

Responsibilities

• Design and develop software tools dedicated to security analysis and testing.
• Build modular and reusable tooling frameworks for internal security use.
• Implement automation and orchestration tools for security workflows.
• Develop data processing and analysis tools related to security experiments.
• Maintain and improve existing security software tools.
• Produce clear documentation and ensure long-term maintainability.
• Contribute to knowledge transfer activities, including the preparation and delivery of technical training sessions when required.

Qualifications

• Engineering degree in software development or an equivalent field.
• Minimum of 4 years’ experience in software design and development.
• Programming languages: Python, C/C++, and Java.
• Software architecture: modular design, scripting, APIs.
• Experience with security-oriented tool development.
• Ability to interface software with external systems or hardware.
• Familiarity with version control, testing, and documentation best practices.

Additional Skills/Preferences

Strong software development background with an interest in cybersecurity and security tooling is a plus. Experience developing internal tools or research-oriented software and the ability to work independently on technically complex topics.

What We Offer

• An attractive compensation package, including a competitive salary, variable compensation, and meal vouchers
• A positive, stimulating, and supportive work environment
• Offices in France (Rennes and Paris) as well as internationally
• A dynamic and friendly company culture: after-work events, sports challenges, board games, pool table, foosball, and Nintendo Switch
• 5 days of paid leave dedicated to volunteering and community engagement, along with 7 “recharge days” (company-wide paid days off)
• The opportunity to join a company certified Great Place to Work® and ranked among the Fortune 100
• Remote work days
• Access to a CSE benefits platform, including discounts and gift cards

Equal Opportunity

Cadence is committed to equal employment opportunity and employment equity throughout all levels of the organization. We strive to attract a qualified and diverse candidate pool and encourage diversity and inclusion in the workplace.