Software Developer in Warsaw

Are you ready to build high-quality software in a modern microservices architecture?

We’re looking for an experienced Software Developer to develop and maintain key services using Java and Spring Boot. The role & the team:

Our team’s goal is to solve complex technical problems and actively drive our technological growth. Your work will directly impact system scalability, delivering real value to our stakeholders and end-users by: building and maintaining microservices in line with business requirements and our internal standards. keeping services up to date, including Java and Spring Boot upgrades. contributing to architecture decisions for scalable, modular solutions. helping develop and operate our messaging and streaming infrastructure. What you will work on:

Java 21/25 microservices designed according to Domain-Driven Design, built with Spring Boot 4.x and communicating mainly via RabbitMQ and REST APIs. Data stored in MySQL and PostgreSQL, with part of it sourced from Snowflake. Caching, mainly with Redis. Our Kafka platform: maintaining our Kafka cluster running on the Strimzi operator. Stream processing with Kafka Streams and, more recently, Apache Flink. Maintaining our RabbitMQ setup. Services deployed on AWS ECS and Kubernetes. Test-driven development with TDD and BDD (Cucumber), covering unit and integration tests run in Jenkins. CI/CD pipelines in GitLab. Observability with Prometheus, Grafana and Kibana. Required skills:

Must have: At least 5 years of commercial experience with Java and Spring Boot. Experience with microservices and distributed systems. Hands-on experience with at least one message broker (RabbitMQ or Kafka). Good knowledge of relational databases (MySQL or PostgreSQL). Experience with Docker. Clear communication with both technical and business stakeholders, and a collaborative approach (knowledge sharing, pair programming). Nice to have

Kafka Streams or Apache Flink. Kafka Connect, Strimzi or other Kafka operators. Snowflake. Redis or other caching solutions. OAuth2 security. What your future teammates love the most:

Private LuxMed healthcare, free preventive check-ups, spine-relieving massages. Budget for remote workstation equipment and gift vouchers. On-site buffet breakfasts prepared fresh daily. Team-building and family trips to a private lakeside resort. Subsidy for a Multisport card. About us:

We are at the heart of the digital revolution in transportation. Since 2004, we’ve been building one of the

largest logistics platforms in Europe

, bringing together carriers, forwarders, and shippers in one place. We

automate processes, enhance transaction security, and make transport more efficient

. We’re an international tech company operating in 13 countries, and we’re just getting started. We develop cutting-edge digital solutions for transport, freight forwarding, and logistics, powered by the expertise of top

developers, customer experience specialists, machine learning engineers, and AI experts

. If you’re looking to shape the future of transport technology – this is the place for you! At Trans.eu, we believe in Smart & Fair Logistics – a more efficient and transparent industry. That’s why we’ve expanded our capital group, building a network of specialized companies that help us drive this mission forward. How is it work at Trans

“What I value most at Trans is the dynamic environment and the fact that I have a real impact – every day brings new challenges I can tackle on my own terms.” “Trans surprised me with its culture and atmosphere – and the fact that it truly offers real opportunities for growth.” CV Review – We Really Read Them!

We’re looking for details that show you’re the perfect fit for the role. Show us what you’ve got! Friendly "Hello"

Our first call will be short, concise, and to the point. We’ll get to know each other better and plan the next step. Relaxed and stress-free! Face-to-Face

We’ll meet in person or online for about 1-1,5 h. We’ll tell you about the company and the position. We might ask to complete a task or assess your soft skills using the DISC assessment – to see if we are a match made in heaven. Moment of Truth

After interviewing other candidates, we’ll get back to you with an answer – whatever it may be. It usually takes us no longer than 2 weeks. Ahoy Adventure!

Hooray! You’re with us! We’ll invite you to our epic Welcome Days – where you’ll get to know the product, company culture, and how to navigate within it.