Senior Software Engineer (Freelance - Strasbourg-based)

Job description

# Senior Software Engineer (Freelance - Strasbourg-based) > KSM · Strasbourg, France · Full-time · Posted 2026-04-28 **Workplace:** on_site **Department:** Information Technology ## Description At **KSM**, our mission is to be the strategic HR Business Partner for the companies we collaborate with, while contributing to the professional development and satisfaction of candidates’ goals. Guided by our core values and through our personalized practices, we strive to bring employees and companies together, offering services aligned with their goals and aspirations, fostering a high-quality and innovative future. On behalf of our client, we are seeking to recruit a: ### **Senior Software Engineer (Freelance)** ### **Client Description** Our client is a leading **IT Services and Software Solutions provider**, delivering complex digital projects for international organizations and institutions. ### **Core Responsibilities** - Develop, Configure and Maintain software components - Integrate solutions with PaaS and other components or applications - Secure quality via unit tests and automation test scripts - Collaborate with architecture team in the design and/or technical documentation of components or solutions - Participate in Code Reviews, adhere to software development best practices and improve code quality standards (SDLC) ## Requirements - Bachelor’s degree in Computer Science or related field - Minimum 10 years of experience in software development - Strong experience (5+ years) with Java, Spring, Spring Boot - Experience in microservices architectures - Experience working in Agile environments - Ability to provide technical guidance **Nice to Have** - Experience with CI/CD tools - Knowledge of REST, GRPC, Elastic - Experience with Cloud Native architectures - Experience with OCP ### **Soft Skills** - Strong ownership and accountability - Solution-oriented mindset - Adaptability in dynamic environments - Effective teamwork and communication - Proactive and results-driven approach ## Benefits - Competitive daily rate - Participation in high-impact international projects - Exposure to modern technologies and large-scale systems - Multinational and collaborative working environment - Opportunities for long-term collaboration ## Apply [Apply at KSM](https://apply.workable.com/ksm-hr/j/D6EC73F58D/apply) --- Powered by [Workable](https://www.workable.com)