Full Stack Developer

With over 140 years of Swiss engineering heritage, Sécheron Hasler Group is a global leader in high-power electrical and electronic equipment. Our solutions power railways, renewable energy, DC and AC networks, and industrial systems worldwide trusted for their precision, reliability, and innovation.

At the heart of modern rail infrastructure, our Traction Power Systems unit delivers cutting-edge DC and AC traction substations, protection systems, power conversion and digital monitoring solutions. Join us to shape the future of sustainable mobility with technology that keeps cities and countries moving. For the expansion of our team, we are seeking to hire in Satigny (Geneva) a dynamic and motivated Full Stack Developer Developer to join our growing software team focused on intelligent public transportation systems. You will help build and operate robust, predictable, and efficient platforms that improve train operator experiences.

You will assist the support and project teams to troubleshoot, debug, and upgrade existing systems.

Main responsibilities:

• Design, develop, and maintain scalable web platforms and internal tools using Node.js and TypeScript
• Handle DevOps processes, including deployment with Docker Compose and Ansible workflow.
• Contribute to predictable and constant delivery cycles
• Analyze time series data (Pandas, Warp10, etc.) to support smart analytics and predictions
• Implement end-to-end (E2E) testing strategies to ensure platform reliability
• Work with Bash and Linux environments for infrastructure automation
• Manage GitLab/GitHub CI/CD pipelines and version control practices
• Maintain front-end components with HTML & CSS
• Support or attend networking and public events to engage with stakeholders or present technical updates

Requirements

• Proven senior-level experience in software development, typically demonstrated through one or two significant professional roles.
• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Systems, or a related field.
• Additional certifications in DevOps, cloud technologies (AWS, Azure, etc.), or software development are a plus (e.g., AWS Certified DevOps Engineer, etc.).
• Excellent English mandatory, French preferred.
• Proven experience with DevOps practices and containerized environments (Docker)
• Solid backend and frontend coding skills in JavaScript/TypeScript and HTML/CSS
• Comfortable working in Linux environments and scripting with Bash
• Experience with E2E testing frameworks (Cypress, Playwright, etc.)
• Familiarity with data analytics and time series handling tools
• Strong work ethic, autonomy, and desire for consistency and predictability
• Mid-level or higher professional experience
• Clear communication and a collaborative mindset
• Passion for building technology with purpose and public impact
• Familiarity with Agile/Scrum
• Availability for some travels.

Not mandatory, plus preferable:

• Prior experience in the public transportation or mobility sector
• Interest in or experience with AI (positive or critical view welcomed)
• Contribution to open-source or community events
• Embedded Software

Benefits

We foster flat hierarchies and direct communication, enabling quick decisions and strong collaboration across all levels. You’ll be trusted with real responsibility and encouraged to take initiative, with plenty of opportunities to grow both personally and professionally.