Software Engineer Full Stack Go / React (M/F)
Since its creation, KLANIK has set itself the mission of combining technological expertise and authenticity. This bold bet, born in Marseille in 2011, in France, has transformed into an international adventure that today includes more than 800 employees, locations in 10 countries, and innovative subsidiaries. In 2026, we will join the ALTEN group, a global player in engineering and digital services.
Our role: recruiting the best talents & connecting them to our clients to support them in their digital projects. KLANIK is an IT consulting company structured around 5 expertise hubs: Data & IA, DevOps Cloud Infra, Cybersécurité, Software, Produit Agilité Pilotage. Our 800 talents have varied profiles: tech (our expertise hubs), operational (sales and recruitment functions) and support.
Beyond professions, KLANIK cultivates a deeply human model that transcends borders: from Belgium to Colombia, our values resonate. A culture based on sharing, high standards, and benevolence - a collective where everyone can find their place. Our subsidiaries are a testament to this: Klanik Esport: Esport club & gamification agency; Korner: tech startup incubator; Kampus: Qualiopi certified training organization; l'Act'In Klanik, roles that allow our employees to live their passions beyond their missions. Our culture is summarized by this phrase, often placed under our logo: Human-Made Technology. Tech, yes, but human tech, which spreads a model where everyone's authenticity is the priority.
KLANIK, as a mission-driven company, believes in the power of diversity and inclusion. Our recruitment is based on skills, without distinction of origin, age, or gender, and all our positions are open to people with disabilities. We are convinced that the diversity of our teams is a strength that contributes to our success.
The position:
As part of the development of innovative Backup & Disaster Recovery solutions, we are looking for a Full Stack Software Engineer to join a product team in charge of designing, developing, and evolving high-value-added services.
You will work on the creation of new products as well as the continuous improvement of existing platforms, in a modern technical environment oriented towards cloud and microservices. The team operates within an SRE culture, with a strong emphasis on quality, automation, observability, and service reliability.
The environment is international and English is used on a daily basis.
Missions:
- Develop new features and evolve existing applications.
- Design and implement robust and scalable software architectures.
- Participate in the development of backend services and user interfaces.
- Design and implement testing strategies (functional, non-regression, performance, security).
- Ensure the operational maintenance and continuous improvement of products in production.
- Participate in incident resolution and support escalations.
- Contribute to DevOps/SRE practices and the improvement of service quality.
- Perform active technological monitoring and share best practices within the team.
Technical environment:
- Golang
- React / JavaScript
- APIs REST
- Architecture Microservices
- Kubernetes
- CI/CD
- Linux
- Terraform
- Temporal
Profile sought:
- Significant experience in Golang development
- Significant experience in API development
- Significant experience in JavaScript / React for the development of modern user interfaces
- Good mastery of microservices architectures
- Significant experience in Linux environments
- Significant experience with CI/CD practices and tools
- Good understanding of containerized environments and cloud architectures
- Analytical mindset and ability to solve complex problems.
- Autonomy, proactivity, and a sense of teamwork.
- Good level of professional English.