Senior Java Backend Engineer. Suecia

We are looking for a Senior Java Backend Engineer to join a small, autonomous engineering team working on large-scale, distributed systems.

Only candidates who already have a valid work permit/right to work in Sweden should apply.

If you do not currently have a valid Swedish work permit/right to work in Sweden, please DO NOT apply.

ALL REQUIREMENTS ARE MANDATORY

Candidates are expected to meet all the key requirements and technical criteria listed below. Please review the complete job description carefully before applying.

Location & Work Model

    Malmö, Sweden

    100% On-site

    English-speaking environment

    Relocation required if not already based in Malmö

Job Details

    Job Type: Contract basis (2 year)

    Joining: Immediate joiners only

    Work Permit: Valid work permit in Sweden is mandatory

    Opportunity: Long-term contract opportunity

Key Requirements

    5+ years of professional software engineering experience with strong backend expertise

    Deep knowledge of Java and JVM, including: JVM memory management, Garbage Collection (GC), Concurrency, Performance tuning, Virtual threads

    Strong experience building and scaling customer-facing web services

    Solid understanding of distributed systems and distributed data architectures

    Experience with Cassandra, Redis, Memcached, or similar technologies

    Experience building REST services using Netty or similar frameworks

    Hands-on experience with CI/CD, automated testing, and software delivery

    Strong communication skills and ability to work independently in a fast-changing environment

Nice to Have

    Cryptography/security knowledge: PKCS, KMIP, X.509, AES, KDF, CA

    Exposure to ML systems/frameworks

    Experience with GitHub, Maven, Docker, Kubernetes, Spinnaker

    Experience with privacy-sensitive or security-critical systems

Technology Stack

Java | Cassandra | Redis | Netty | Docker | Kubernetes | GitHub | Maven

Important

    Valid work permit in Sweden is mandatory.

    Only immediate joiners will be considered.

    This is a contract position.

    100% on-site in Malmö, Sweden.

Please feel free to share this opportunity with someone in your network who may be a strong fit.