Senior Backend Developer
I-Ray IT Solutions AB / Datajobb / Solna
2025-11-10
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hela Sverige Visa alla jobb hos I-Ray IT Solutions AB i Solna Job Title: Senior Backend Developer
Location: Stockholm or Sundsvall, Sweden
Work Arrangement: Hybrid (minimum 2 days/week in office)
Contract Type: Full-time, 12 months (with possible extensions)
About the Role
We are seeking experienced backend developers to join a team delivering secure and high-quality enterprise solutions. The role focuses on backend system development, ensuring performance, scalability, and security while working in an agile, team-oriented environment.
Key Responsibilities
Design, develop, and maintain backend systems using Java and modern frameworks.
Implement microservices architecture and support containerized deployments (e.g., Kubernetes, OpenShift).
Ensure high standards of security in all aspects of system design and implementation.
Collaborate with cross-functional teams following agile practices.
Configure and maintain development tools such as Git, Maven, or Gradle.
Contribute to system monitoring, troubleshooting, and continuous improvement.
Participate in code reviews, knowledge sharing, and mentorship of junior team members.
Required Skills & Experience
Java development: minimum 5 years of experience
Linux environment: minimum 3 years of experience
Microservices architecture: minimum 3 years of experience
Experience with Quarkus, Spring Boot, or similar frameworks
Knowledge of Git, Maven, Gradle, or similar development tools
Agile team-based development experience (minimum 3 years)
Fluency in English and Swedish (spoken and written)
Preferred Skills
Experience with PKI, certificate management, or cryptographic security
Exposure to frontend/app development
Experience in containerized system operations and monitoring
Knowledge of SAML2, OAuth2, OpenID
Experience with SQL/NoSQL databases and caching solutions
Familiarity with message queues such as Kafka
Contribution to open-source projects
Competence Level
Proven ability to work independently and take ownership of tasks
Experience leading small teams or sub-projects
4-8 years of relevant professional experience
Additional Information
Full-time role, 40 hours per week
Security clearance may be required depending on the project
Travel between Stockholm and Sundsvall may be needed for team meetings
Why Join Us
Work on innovative backend solutions with a focus on security and scalability
Collaborate in a professional and agile environment
Opportunity to mentor and grow your technical expertise
Öppen för alla
Vi fokuserar på din kompetens, inte dina övriga förutsättningar. Vi är öppna för att anpassa rollen eller arbetsplatsen efter dina behov.
Så ansöker du Sista dag att ansöka är 2025-12-10
E-post:
careers@i-raysolutions.com Omfattning Detta är ett heltidsjobb.
Arbetsgivare I-Ray IT Solutions AB (org.nr 559417-3600),
https://www.irayitsolutions.com/ Hagalundsgatan 40 Lgh 1704 (
visa karta)
169 64 SOLNA
Kontakt Aruna Kommula
careers@i-raysolutions.com +46 708629791 Jobbnummer 9595999