Senior Software Engineer (Freelance - Strasbourg-based)

Strasbourg, Grand Est, France on site Until 8/21/2026 10+ years exp H-1B sponsor history First posted April 28, 2026 Last posted April 28, 2026
Job 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
About this role

Summary

Develop, maintain, and integrate software components in microservices with agile practices.

Job title

Senior Software Engineer

Experience level

10+ years

Minimum experience

10+ years exp

Industry

software

Location requirements

remote possible, based in Strasbourg, France

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

javaspringmicroservicesagile

Preferred skills

cicdrestgrpcelasticcloud nativeocp

Specializations

javaspringmicroservicesagile
Locations

Structured locations inferred from the posting.

Strasbourg, France

Hybrid City