Java Developer / Backend Developer – Microservices & Modern Architecture

Sigma Technology Systems

📍 Sweden, Sweden, Sweden

Full-time Computer Occupations Posted March 01, 2026

Job Description

Job description


At Sigma Technology Systems in Gothenburg, we’re expanding our Java team and looking for developers who want to grow with us. Whether you call yourself a Java Developer, Backend Developer, or simply someone who loves building scalable systems – we want to meet you.


Your playground will include:


  • Building backend solutions and microservices with Java (Spring Boot, Quarkus, OSGi)




  • Working cloud-first across AWS (Lambda, S3, DynamoDB) and Azure (AKS, CosmosDB)




  • Designing robust integrations using REST, gRPC, Kafka




  • Exploring both relational and NoSQL databases: PostgreSQL, Cassandra, MongoDB, RDS, CosmosDB




  • Creating CI/CD pipelines and cloud-native architectures




  • Using modern monitoring and observability tools like Grafana, DataDog, Ki...