Senior Software Engineer

As a Software Engineer (Senior / Principal level), you will contribute directly to the evolution of our core platform, enhancing existing features and building new ones using modern technologies such as Java 17, Kotlin, Spring Boot, and a microservices architecture.

You’ll take full ownership of the products you develop, participating in the entire software development lifecycle : from requirement analysis and prototyping to design, implementation, deployment, monitoring, and support. We expect you to deliver solutions that are correct, maintainable, and sustainable, while championing our engineering culture of well‑crafted design, clean code, and comprehensive testing.

Key Responsibilities

• Designing and building robust, scalable backend services using Java, Spring, and Kafka
• Embracing CI / CD, test automation, and clean code practices
• Applying experience in microservice architecture in a production environment
• Demonstrating a strong sense of code quality, technical ownership, and willingness to mentor others

Seniority Level

Mid-Senior level

Employment Type

Full-time

Job Function

Engineering and Information Technology

Location

Warsaw, Mazowieckie, Poland

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