Hybrid Senior Backend Engineer – Java/Kotlin Microservices

LeoVegas Group; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work policy

4 weeks Workation (T&C apply)

Benefits package – 800 PLN net/gross (

Training budget

ICAS assistance program

Office snacks and breakfast on Mondays

Team and office events

Free parking for bikes and motorcycles

Free gym in the building

MacBook Pro + smartphone

Job summary

LeoVegas Group is seeking a Senior Backend Engineer to join our Retention domain in Warsaw. You will develop scalable backend solutions in a fast-moving, flat-structured team, shaping value-generating features across products.

The role emphasizes end-to-end ownership and cross-domain collaboration to keep players engaged with our innovative iGaming platform. You will work in a hybrid environment with a strong emphasis on scalable IT architecture and modern Java/Kotlin frameworks, including

Qualifications

• 6+ years of backend development experience (Java and/or Kotlin).
• Experience with messaging tools such as Kafka.
• Experience with microservice architecture.
• Experience with Java frameworks like Spring and JPA.
• Proficient with MySQL relational databases.
• Experience with AI tools such as Claude.

Responsibilities

• Build scalable, robust backend solutions within a microservice architecture.
• Participate in technical discussions to align with business needs.
• Collaborate with operations and stakeholder teams.
• Drive initiatives with a high-quality mindset.
• Own end-to-end development responsibilities across the stack.
• Collaborate across domains to align IT initiatives.
• Ensure our IT ecosystem scales for future expansions.

Skills

Java/Kotlin

Kafka

Microservices

Spring/JPA

MySQL

AI tools (Claude)

Tools

OpenAPI

BigQuery

Kubernetes

Job description

LeoVegas Group is seeking a Senior Backend Engineer to join our Retention domain in Warsaw. You will develop scalable backend solutions in a fast-moving, flat-structured team, shaping value-generating features across products.

The role emphasizes end-to-end ownership and cross-domain collaboration to keep players engaged with our innovative iGaming platform. You will work in a hybrid environment with a strong emphasis on scalable IT architecture and modern Java/Kotlin frameworks, including