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Tech Stack
Tools & technologiesDockerGoJavaKubernetesLinuxMicroservicesOpenShiftTCP/IP
About the role
Key responsibilities & impact- Design and develop security-critical communication server software based on microservice / containerized architectures
- Analyze and translate ETSI, 3GPP, and customer-specific requirements into robust software components
- Contribute to system architecture decisions with a focus on scalability, resilience, and security
- Collaborate with component owners and cross-functional teams during the design phase
- Solve complex technical and implementation challenges in close collaboration with the development team
- Work hands-on with object-oriented programming languages (e.g. Go, C++, Java) and modern development tools
- Develop and maintain CI/CD pipelines and integrate DevOps practices
- Ensure software quality through testing, code reviews, and use of testing frameworks/tools
- Contribute to secure and high-availability system design (security protocols, encryption, network resilience)
- Work with containerization and orchestration platforms such as Kubernetes, OpenShift, Docker
- Support integration with network infrastructure and protocols (e.g. SIP, TCP/IP, HTTP, RTP)
- Collaborate with international and cross-functional teams across all project phases
- Contribute to continuous improvement of development practices and system performance
- Support knowledge sharing and team problem-solving.
Requirements
What you’ll need- Background in Computer Science, Telecommunications, or a related technical field
- Around 5+ years of experience in software development, ideally in high-availability or telecom environments
- Experience with at least one programming language such as Go, C++, or Java
- Familiarity with CI/CD pipelines and DevOps practices
- Basic understanding of microservices and container technologies (e.g. Docker, Kubernetes)
- Knowledge of network protocols (e.g. TCP/IP, HTTP, SIP)
- Experience working in Linux environments
- Interest or exposure to telecommunications systems (ETSI, 3GPP, MCx is a plus)
- Fluent in Croatian and English language skills
- Strong problem-solving mindset and analytical thinking
- Team-oriented approach with good communication skills
- Proactive, hands-on attitude and willingness to learn new technologies.
Benefits
Comp & perks- Competitive and market aligned compensations and benefits
- Additional and complementary health insurance
- Christmas bonus and gift for children
- Vacation allowance
- Transportation allowance
- Accolade bonus
- Referral bonus
- Jubilee award
- Flexible working hours at Atos or home office
- Multisport card
- Free parking on site
- Unlimited SIM card and business phone
- Days of annual leave above the legal minimum
- More favorable loans in some banks
- Professional and personal development through continuous education and certification
- Wellbeing days & After work gatherings
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
object-oriented programmingGoC++JavaCI/CD pipelinesDevOps practicesmicroservicescontainer technologiesnetwork protocolsLinux
Soft Skills
problem-solvinganalytical thinkingteam-orientedcommunication skillsproactivehands-on attitudewillingness to learn