Senior Fullstack Developer (Java/Kotlin)

InventYOU AB, Stockholm, Sweden

What our tracking knows about this posting

Published on 23 September 2026 · first appeared in our records on 1 October 2026.

Stable posting: first seen on 1 October 2026, with no abnormal reposting.

This posting shows no salary, while 0% of open postings in the same sector in this country (Sweden) do.

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We are looking for a Senior Fullstack Developer (Java/Kotlin) to join a product team that builds and runs business-critical applications used by customers and partners internationally. The team owns its services end-to-end, from development to production. You will work across back end, front end, and cloud, developing microservices and micro frontends in an event-driven architecture deployed on Kubernetes. Beyond hands-on development, you will help shape technical direction, make sound deployment decisions, and mentor less experienced developers. Requirements Requirements • Senior-level experience as a full-stack developer with Java and Kotlin in production environments • Strong understanding of event-driven architecture • Experience designing and building microservices and deploying them in cloud-based environments (AWS preferred) • Hands-on experience with modern front-end development, preferably React • Experience in a tech lead role or mentoring and guiding other developers • Ability to work independently and collaboratively in a hybrid setup • Full professional proficiency in English Nice to Have • Experience with Kubernetes and GitLab CI • Experience with Kafka for service-to-service communication • Experience with micro frontend architecture • Experience with continuous deployment practices • Familiarity with Agile methodologies Benefits • Take technical ownership in a team that builds and runs its own applications, used by customers and partners internationally • Work with a modern stack spanning Java, Kotlin, React, Kafka, AWS, and Kubernetes • Join inventYOU, an IT staffing and consulting company with a strong presence across Stockholm and Athens, offering long-term engagements and close support throughout your assignment

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