Senior Java Engineer

Senior / Staff Java Engineer | Kafka, AWS, Distributed Systems

Kraków | Hybrid: 3 days/week in the office

Looking for a role where you can stay hands-on with code, but also have real influence on architecture and technical decisions?

We’re hiring a Senior / Staff Backend Engineer for a global product company building a real-time platform connecting physical infrastructure, devices and backend systems.

You’ll join a small engineering team working on event-driven integrations and distributed systems where performance, reliability and production quality genuinely matter.

What makes this role interesting?

• Staff-level IC role - no people management

• real ownership of architecture and technical decisions

• small team with high individual impact

• complex real-time / event-driven systems

• mix of new development, redesign and improving existing production systems

• long-term product development

• equity

Tech stack

Java 17/21, Spring Boot, Apache Kafka, AWS, Kubernetes

Also: PostgreSQL, MongoDB, Redis, Prometheus, Grafana, Terraform, Helm and Kafka Streams.

What we’re looking for

• strong commercial experience with Java / Spring Boot

• solid hands-on experience with Apache Kafka

• experience with distributed or event-driven systems

• practical AWS and Kubernetes experience

• production troubleshooting, performance and reliability mindset

• ability to make architectural decisions and take ownership beyond individual tickets

• strong communication skills and English at C1

Work model & package

🏢 Hybrid: 3 days/week from the Kraków office
💰 B2B: up to 35,000 PLN + VAT / month
📄 UoP: around 30,000 PLN gross / month
📈 Equity
🏥 Private healthcare
🏋️ Multisport

This could be a great fit if you’re a strong Senior or Staff Engineer who wants to remain close to the code while becoming a technical anchor for the team.

Interested? Send us your CV and let’s talk.