Principal Java Consultant

Type of contract: B2B contract
Salary range: 155-205 PLN/H

What will you do

You will work on building a modern in-house FX trading platform supporting pricing booking routing risk management and valuations. You will be part of a DevOps-oriented team delivering microservices in close collaboration with business stakeholders contributing directly to a high-performance low-latency trading environment.

Your tasks

• Develop high-quality Java code for distributed systems
• Automate testing and deployment for frequent releases
• Collaborate with product owners and business on requirements
• Design and build microservices architecture
• Monitor production systems and ensure stability
• Take ownership of services across the full lifecycle
• Implement low-latency and concurrent solutions

Requirements

• Hands-on experience with Java 17
• Knowledge of concurrency and low-latency programming
• Experience with data structures and functional programming
• Experience with REST APIs and messaging technologies
• Knowledge of TDD and unit testing frameworks
• Understanding of CI/CD and DevOps practices
• Strong communication skills
• Ability to work in agile teams
• Problem-solving mindset and adaptability
• Experience with AI coding assistants
• Openness to work hybrid from our clients office (Kraków) 8 days a month

Nice to have

• Knowledge of Foreign Exchange domain
• Interest in trading systems
• Experience with open source contributions
• Passion for software development outside of work

Required Experience:

Staff IC

Employment Type : Contract
Experience: years
Vacancy: 1