Senior Java Backend Engineer: High-Throughput, Low-Latency

Kambi Sweden AB; Stockholms kommun; On-site; SEK 462,107 - 646,949; Full time

Job summary

Kambi Sweden AB is looking for a Senior Software Engineer in Stockholms län, Sweden. The ideal candidate will design and maintain high-throughput backend services using Java, navigate production challenges, and collaborate with engineering teams. This role demands strong Java and backend expertise, experience with microservices, and the ability to handle performance issues in live systems. If you are ready to take ownership and work in a dynamic environment, Kambi is the place for you.

Qualifications

• Strong Java and Backend expertise with solid understanding of concurrency and multithreading.
• Experience building backend services using frameworks such as Spring Boot.
• Hands-on experience debugging and resolving issues in live systems.

Responsibilities

• Design, build, and maintain high-throughput backend services in Java.
• Solve real production challenges related to performance, failures, and scaling.
• Collaborate closely with engineers and stakeholders.

Skills

Java & Backend Expertise

Concurrency and multithreading

JVM behavior

Core Java fundamentals

Spring Boot

Production Systems experience

Debugging live systems

Observability practices

Performance bottlenecks identification

Microservices and event-driven architectures

Scalability and fault tolerance

Messaging systems (e.g., Kafka)

Tools

Spring Boot

Kafka

Job description

Kambi Sweden AB is looking for a Senior Software Engineer in Stockholms län, Sweden. The ideal candidate will design and maintain high-throughput backend services using Java, navigate production challenges, and collaborate with engineering teams. This role demands strong Java and backend expertise, experience with microservices, and the ability to handle performance issues in live systems. If you are ready to take ownership and work in a dynamic environment, Kambi is the place for you.