Tech Lead .net / C# (F/M)

We are seeking a highly skilled and experienced Staff Software Engineer to join our dynamic team. In this role, you will be responsible for leading the design, development, and implementation of complex software systems and applications. You will work closely with cross-functional teams, mentor junior engineers, and provide technical expertise to drive innovation and excellence in our software development processes.

What Success Look Like

• Implement the architectural design and technical specifications for software projects, ensuring scalability, maintainability, and performance
• Take ownership of the full software development lifecycle, from coding and testing to deployment and maintenance.
• Mentor and guide junior engineers, fostering a collaborative and innovative engineering culture within the team.
• Collaborate closely with product managers, lead architects, designers, and other cross-functional teams to translate business requirements into technical solutions.
• Conduct thorough code reviews to maintain code quality, consistency, and adherence to coding standards.
• Tackle complex technical challenges and provide creative solutions to meet project goals and deadlines.
• Create and maintain technical documentation, including system architecture diagrams, API documentation, and coding guidelines.
• Identify and address performance bottlenecks, ensuring that software applications meet or exceed performance expectations.
• Stay up-to-date with industry trends and emerging technologies, and apply this knowledge to improve our software development processes.
• Foster a collaborative and inclusive work environment, promoting knowledge sharing and continuous learning among team members.

Do you have experience in Software development?, * Proven experience (7+ years) as a Software Engineer, with a track record of delivering complex software projects.

• Strong proficiency in .net / C#.
• Extensive experience with software design principles, architectural patterns, and best practices.
• Solid understanding of database design, SQL, and NoSQL databases.
• Familiarity with modern software development methodologies (e.g., Agile, Scrum).
• Excellent problem-solving and debugging skills.

• Hybrid: 3 days in Paris (8ème) after the trial period

Benefits that await you: The role - Your daily activities will be interesting, stimulating and varied… No two days are alike! The organisation - You’ll be part of the Sonepar family and share the same values! The culture - You’ll be working in an international environment. The team - Our dynamic, multidisciplinary, open-minded and talented team is eager to welcome additional skills to continue to meet the challenge. 75% reimbursement of your monthly or annual transport pass. Swile Ticket restaurant card Gym exclusively reserved for the company and made available to employees free of charge. Sustainable mobility package Health insurance & Welfare Employee Savings Plan & Profit Sharing Bonus. Recruitment process

• Pre-screening interview
• Technical Interview with one of our Lead Architect
• Manager Interview
• HR Interview
• SVP Interview

About Sonepar

Sonepar is an independent family-owned company standing as the world leader in B-to-B distribution of electrical equipment, solutions, and services. In 2025, Sonepar achieved sales of €33.6 billion. Present in 40 countries with a dense network of brands, the Group is leading an ambitious transformation to make its customers’ lives easier providing them with an omnichannel experience and sustainable solutions in the building, industry, and energy markets.

Sonepar’s 46 000 associates are committed to accelerating the world’s electrification and driven by a shared Purpose: Powering Progress for Future Generations.

www.sonepar.com