Senior Software Engineer (Freelance - Strasbourg-based)
- Level
- Senior
Not stated in the posting: salary, work type, visa.
Open. First seen 3 October 2026.
About the role
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.
KSM's standard text
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
What this role asks for
88% of this description is written for the role. The rest is KSM's standard text, folded away below.
Read against KSM's other open postings on this site.
The team: Information Technology
This role is one of 9 open in Information Technology.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Agile (4 of 9), Cisco (4 of 9), AWS (2 of 9), Azure (2 of 9), CI/CD (2 of 9), Excel (2 of 9), Microservices (2 of 9)
OTHER ROLES ON THIS TEAM
- Mid-Level Network Engineer posted Jun 23
- Junior Network Operations Engineer posted Jun 23
- Senior QA Engineer (Freelance - Strasbourg-based) posted Apr 28
- Solutions Architect (Freelance - Strasbourg-based) posted Apr 28
- IT Business Analyst posted Mar 12
- Network & Firewall Engineer posted Jun 11
- Cloud Engineer posted Apr 12
- Technical Support Engineer posted Feb 21
From the team and dates on KSM's own job board.
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