Lead Java Developer

We are looking for a Lead Java Developer (with 12 + years of experience) who thrives on building scalable, cloud-native solutions and wants to leave their mark on systems used by millions of users worldwide.

This is not just another coding job – it’s about shaping the backbone of modern financial platforms. You’ll be working with cutting-edge tech, solving real-world problems, and collaborating with brilliant engineers who share your passion for clean, robust, and efficient code.

🎯 What You’ll Do

• Build high-performance applications with Java 18+ & Spring Boot

• Design and integrate RESTful & GraphQL APIs (documented with Swagger/OpenAPI)

• Work with both SQL & NoSQL databases (PostgreSQL, MySQL, MongoDB)

• Automate delivery pipelines with Jenkins / GitLab CI / GitHub Actions

• Containerize with Docker, orchestrate with Kubernetes

• Deploy & scale solutions in Azure Cloud

• Set up monitoring & logging (Prometheus, Grafana, ELK, Splunk)

• Ensure reliability with unit & integration tests (JUnit, TestNG, Mockito, WireMock)

• Work with Kafka & messaging systems

• Keep everything secure with OAuth2, JWT & Spring Security

• Collaborate in Agile squads, bringing ideas to life fast

✅ What We Expect

• 12 + years of IT experience, with expert-level Java & Spring Boot skills

• Proven track record in microservices & distributed systems

• Solid understanding of databases, ORMs, and query optimization

• Experience with CI/CD, containerization, and cloud deployments

• Hands-on with monitoring & alerting tools

• Strong knowledge of testing frameworks & automation

• Security-first mindset in everything you build

• Strong communication skills & problem-solving drive

🌟 Bonus Points For

• Certifications: Azure, Java, or Spring

• Experience with DDD & Event-Driven Architecture

• Familiarity with DevSecOps practices

📍📍📍 Kraków – hybrid (3 days onsite, 2 days remote)📍📍📍

💰 1.400–1.500 PLN/day B2B

If you love solving tough problems, designing resilient systems, and pushing boundaries with modern Java – this role is made for you.