Java Developer / Backend Developer – Microservices & Modern Architecture

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, Kibana, Splunk

Basic qualifications

As a consultant with us, your drive, curiosity and engagement matter just as much as your technical expertise. We believe that great consultants are more than technical experts – they are eager to take ownership of their craft, inspire others, and help customers move forward.

We’re looking for developers who :

5 years minimum of hands-on coding and problem solving

Move seamlessly between backend development, integrations, and cloud services

Thrive in agile teams and love delivering real-world solutions

We offer

Sigma Technology Systems in Gothenburg is not just another consultancy. We’re a small, close-knit team with the strength of a global group . That means you get the security of a large organization while working in an environment where you truly influence your own path.

Here, collaboration and innovation drive everything we do. We share knowledge, test new technologies, and constantly push for smarter ways forward. At the same time, we make sure to have fun along the way – from afterworks and meetups to celebrating big and small wins together.

We like to say we are the small company within the big one. For you, that means freedom, responsibility, and the chance to shape not only the solutions we deliver but also the culture we build together.