April 29, 2026
Java Developer | FX & Commodities Trading Platform |
Senior • Remote
2,100 - 2,500 PLN
**CANDIDATES MUST HAVE FINANCIAL EXPERIENCE**
Java Engineer – FX & Commodities Risk Platform
Global Investment Bank | Low‑Latency Systems | B2B | Remote | Rate: 2100PLN + | Must have Financial Experience
A global investment bank is expanding its FX & Commodities Risk engineering team and is hiring a Senior Java Engineer in Poland to help build a next‑generation risk platform used by trading desks in London, Singapore, and New York.
This is a rare opportunity to work on a brand‑new system rewrite while learning from a complex, high‑performance legacy platform that has powered global trading for years.
What We’re Looking For
Strong experience with Core Java and Spring
Solid understanding of multithreading, concurrency, and low‑latency systems
Experience with Kafka, Hazelcast, or similar distributed technologies
Familiarity with modern data stores (ClickHouse is a plus)
Ability to learn from and navigate complex legacy systems
Proactive mindset — someone who can drive development forward
Strong communication and collaboration skills
FX Risk or broader trading‑systems experience is a strong plus
About the Platform
The FX & Commodities Risk Platform provides real‑time risk calculations and reporting across multiple asset classes. The current system includes:
Frontend: WPF (C#)
Backend: Java (Core Java, Spring)
Quant Library: In‑house, with Haskell used for interaction
A full rewrite is underway, moving the platform to a modern, scalable architecture.
What You’ll Work On
You’ll play a key role in building the new platform, which is moving towards:
Spring Boot
Kafka for event streaming
Hazelcast for distributed caching and computing
ClickHouse for high‑performance data storage and reporting
Key Engineering Focus Areas
High‑performance multithreading & concurrency
Low‑latency backend development
Distributed systems using Kafka and Hazelcast
Data‑intensive workloads using ClickHouse
Interacting with the quant library (light Haskell exposure)
Learning from the legacy system’s memory‑optimised design (critical for JVM stability)
This is a backend‑heavy role with deep engineering challenges.
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Krakow, Poland
110 - 145 PLN/hr
🏢 Summary: Opportunity for an experienced Java Quant Developer to build and enhance low-latency FX pricing solutions for Forward and NDF products within a global trading technology team. The role focuses on developing high-performance, distributed electronic trading systems and collaborating closely with traders and quantitative analysts. Hybrid work model with competitive B2B rate and involvement in mission-critical investment banking systems. 🗂️ Requirements: Strong experience in Java server-side development, Solid knowledge of multithreading, Solid knowledge of distributed systems, Experience building low-latency applications, Experience building high-availability systems, Understanding of FX markets, Knowledge of FX Forward products, Strong analytical skills, Strong problem-solving skills 📃 Skills: Java, Multithreading, DistributedSystems, LowLatency, HighAvailability, FX, FXForward, NDF, ElectronicTrading, MarketData, KDB+, Q, Python 🏢 Description: Java Quant Developer (FX Trading) We're looking for an experienced Rates Developer to join a global FX Trading Technology team building low-latency pricing solutions for FX Forward and NDF products. This is an opportunity to work on mission-critical trading systems within a leading investment banking environment, collaborating closely with traders, quantitative analysts, and global technology teams. Project Overview You'll join a global FX Trading Technology team responsible for developing and enhancing a platform that delivers real-time pricing for FX Forward and NDF products. The platform supports electronic trading, quantitative analytics integration, market data processing, and trading operations in a high-performance, distributed environment. We offer: 📍 Kraków, Poland | Hybrid* 💰 Up to 145 PLN/hour (B2B) * Hybrid Model Based in Kraków with 6–8 office days per month . Candidates living outside Kraków are welcome to apply. If you are willing to travel to the office, we will cover your travel and accommodation costs . Responsibilities Develop and enhance Java-based FX pricing applications. Collaborate with traders and quantitative teams to deliver new pricing capabilities. Design and implement scalable, distributed solutions for electronic trading. Integrate pricing models and market data feeds. Participate in technical design, testing, deployment, and production support. We are looking for Strong experience in Java server-side development . Solid knowledge of multithreading and distributed systems . Experience building low-latency , high-availability applications. Understanding of FX markets , particularly FX Forward products. Strong analytical and problem-solving skills. Nice to Have Experience with FX or eRates pricing systems . Background in investment banking or electronic trading . Knowledge of KDB+/Q . Python. Understanding of Spot FX and Forward FX market conventions. This role is not perfectly suited for you, but you have a friend who would fit? Recommend your friend and get up to 5000 zł! Referral Program: Talent from your network Don't hesitate and apply now! 33/6/2026/r/3613