Senior Java Developer

Job Opportunity: Senior Java Developer

Role Overview:

We are looking for a Senior Java Developer to design and build mission-critical platforms for managing FX and derivatives. In this role, you’ll work closely with traders, quants, and operations to deliver and own modern microservice-based solutions that power front-office trading across global markets.

Location: Cracow, hybrid model (office visits 2 times per week)

English: B2

Type of contract: B2B

Responsibilities

• Develop clean, efficient, and scalable Java code with a focus on usability and performance.
• Contribute to the design and delivery of a microservice-based architecture, modernizing legacy systems.
• Take ownership of services end-to-end – from requirements and development to deployment and production monitoring.
• Collaborate with product owners, traders, quants, and operations to deliver business-critical solutions.
• Apply DevSecOps practices to ensure secure, automated, and continuous delivery.
• Build observability into systems to ensure stability and fast incident resolution.
• Drive innovation and efficiency in system design and delivery practices.

Requirements

• Strong programming expertise in Java / JVM.
• Hands-on experience with Spring Boot, Spring Cloud, microservices.
• Solid knowledge of SQL and relational database design.
• Familiarity with software design patterns.
• Experience working in Agile/DevOps environments with continuous integration and delivery.
• Proficiency in English (B2+) with strong communication and interpersonal skills.
• Ability to work both independently and in a global, multicultural team.
• Strong problem-solving mindset with the ability to handle multiple requests under pressure.

What we offer:

• B2B contract.
• Private medical care, life insurance, and access to Multisport card.
• Stable, long-term projects with full-time employment.