Java Software Engineer (Fintech)

TL;DR

Java Software Engineer (Fintech): Building and optimizing backend services for the trading lifecycle of derivative products with an accent on system reliability, scalability, and real-time processing. Focus on designing robust REST APIs, improving CI/CD pipelines, and collaborating with traders and quants to automate pricing and risk management.

Location: Katowice (Zabrska 19)

Salary: 9,600 – 22,000 PLN

Company

Global financial hub providing cutting-edge solutions for financial markets across London, Amsterdam, Brussels, New York, and Singapore.

What you will do

• Design and develop robust backend services and expose them via REST APIs.
• Improve architecture, scalability, and infrastructure, including CI/CD pipelines.
• Enhance performance, reliability, and system resilience in production environments.
• Collaborate closely with business experts, traders, and quants to deliver complex features.
• Apply and promote high-quality engineering practices, including automated testing.
• Identify, troubleshoot, and resolve issues to ensure long-term system stability.

Requirements

• MSc in Computer Science or equivalent practical experience.
• 5+ years of experience building and maintaining production-grade software.
• Strong foundations in algorithms, data structures, design patterns, and concurrency.
• Hands-on expertise in Java, Spring Boot, Git, and SQL.
• Good command of English (written and spoken).

Nice to have

• Knowledge of equity derivatives or trading concepts.
• Experience in financial markets or fintech environments.
• Familiarity with market data providers and APIs (e.g., LSEG / RFA, Bloomberg B-Pipe).

Culture & Benefits

• Work at the intersection of technology, finance, and global collaboration.
• Opportunity to contribute to platforms that directly influence business decisions.
• Exposure to complex financial domains including equities, commodities, and interest rates.