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Please review the complete job description carefully before applying.\nLocation & Work Model\nGothenberg, \n100% On-site\nSwedish and English Required.\n\nJob Details\nJob Type: Contract basis (1 year)\nJoining: Immediate joiners only\nWork Permit: Valid work permit in Sweden is mandatory\nOpportunity: Long-term contract opportunity\n\nKey Requirements\n5+ years of professional software engineering experience with strong backend expertise\nStrong hands-on experience with AWS services\nDeep knowledge of Java and JVM, including: JVM memory management, Garbage Collection (GC), Concurrency, Performance tuning, Virtual threads\nStrong experience building and scaling customer-facing web services\nSolid understanding of distributed systems and distributed data architectures\nExperience with Cassandra, Redis, Memcached, or similar technologies\nExperience building REST services using Netty or similar frameworks\nHands-on experience with CI/CD, automated testing, and software delivery\nStrong communication skills and ability to work independently in a fast-changing environment\n\nNice to Have\nCryptography/security knowledge: PKCS, KMIP, X.509, AES, KDF, CA\nExposure to ML systems/frameworks\nExperience with GitHub, Maven, Docker, Kubernetes, Spinnaker\nExperience with privacy-sensitive or security-critical systems\n\nTechnology Stack\nJava | Cassandra | Redis | Netty | Docker | Kubernetes | GitHub | Maven | AWS\nPlease feel free to share this opportunity with someone in your network who may be a strong fit.\nÖppen för alla\nVi fokuserar på din kompetens, inte dina övriga förutsättningar. 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