Principal Java Consultant
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Job Summary
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
About Company
We see opportunity in technology. In domains such as cloud, AI, mainframe modernisation, DLT and IoT, we blend established practice with new thinking to help our clients stay ahead.
