We are looking for a Senior Java/AWS 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

Gothenberg,
100% On-site
Swedish and English Required.

Job Details

Job Type: Contract basis (1 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
Strong hands-on experience with AWS services
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 | AWS

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