Must have

• Java

• JVM

• English

Requirements description

Java Developer

📍 Location: Kraków (hybrid – 2 days/week in the office)

📄 Contract type: B2B

💰 Rate: 150–180 PLN/h net + VAT

⏱️ Workload: Full-time

🎯 Seniority: Senior

Role Overview

We’re looking for a Senior Java Developer to join a team building a global platform for FX Options and precious metals derivatives. The team works closely with trading, quant, and operations stakeholders to deliver scalable, high-performance solutions. You’ll be part of a collaborative, agile environment focused on ownership, innovation, and continuous delivery.

Key Responsibilities

• Develop clean, efficient Java code
• Build and maintain microservice-based architecture
• Ensure production stability and observability
• Collaborate with business stakeholders on requirements
• Own the full lifecycle of the services you build

Required Skills

• Strong Java and JVM expertise
• Experience with Spring Boot, Spring Cloud, microservices
• Solid SQL knowledge and understanding of design patterns
• Familiarity with DevOps, CI/CD, and Agile methodologies
• Good English communication skills (min. B2)
• Ability to work independently and in a global team

Nice to Have

• Knowledge of FX/MM and FX derivatives
• Experience with Murex v3.1
• Familiarity with observability tools
• Programming in JS, C++, Scala, scripting
• Passion for software development (e.g. open-source contributions)