June 25, 2026
Senior Java Engineer (FX Trading Systems)
Senior • Remote
270 - 300 PLN/hr
Warsaw, Poland
Join the Fixed Income Trading Systems Team at a top N. American Bank
This isn’t just another dev role. It’s your chance to engineer the core of global trading.
We’re talking ultra-low-latency architectures, real-time market data, and automation at scale — all in an environment where milliseconds matter and billions move. You’ll work on greenfield and semi-greenfield projects, building FX (forex) trading workflows.
If you thrive on complexity, love solving performance challenges under pressure, and want to collaborate directly with traders and product teams at the sharp edge of financial technology — this is your arena.
The Role at a Glance
Senior Java Backend Engineer
Building a FX trading systems, including high-performance backend services for algorithmic order management and order routing.
270zł - 300zł / hr B2B net + VAT
Fully remote for a top N. American bank (for residents of Poland only)
This role requires experience building trading systems, specifically with order routing or algorithmic order management.
If you enjoy working on low-latency, high-throughput trading systems, join us and build the next generation of high-performance capital markets solutions.
Why Join Us?
Work on a large-scale, low-latency trading system.
No Legacy: Join an actively developed system — the engineers who built it originally are still on the team.
Collaborate with a world-class team of developers across North America and Europe.
Enjoy the stability of a long-term, fully remote role that only a bank can offer.
A successful candidate will be a very strong programmer with current Java development experience. They must also be curious, open-minded, and desire to learn new things. English proficiency is a must.
This role is for developers who excel at programming core Java from the ground up, not just integrating frameworks or APIs. If you’re fascinated by understanding systems ‘under the hood,’ this role is for you. Successful candidates enjoy geeking out about data structures and debugging application performance issues.
This is a fully remote backend Java development role for a developer in Poland. You will be working through a Polish company that will provide the support and administrative assistance to make you successful in the role. We are looking for people to join the team long-term.
Only open to residents of Poland. Polish citizens, as well as legal residents with permission to work in Poland, are welcome.
What we offer
Work that matters in the financial domain: You’ll be building high performance trading system at an established financial institution.
Professional growth: Collaborate with smart, highly capable developers in a supportive and challenging environment.
Direct collaboration: You will work directly with the client team in North America and in Poland.
1st-tier work: This is not a technical support or legacy maintenance role. The system is functional and is actively being built and you will take part in updating it. The people who built the system are still part of the team.
Long-term commitment: This is not a fixed-scope or fixed-term outsourcing role; we value people who want to grow and contribute long-term.
Flexibility & remote work: Fully remote position based in Poland with increasing schedule flexibility post-onboarding.
Competitive Compensation: Top pay and ample time-off options.
Responsibilities
Design and implement robust software solutions for FX trading systems using core Java.
Build high-performance backend services that algorithmically manage and route orders.
Create thorough test cases to ensure software stability and reliability.
Collaborate with operations teams regarding building new features and improving existing functionality.
Requirements
Must have
Current Java programming experience, with a strong understanding of programming concepts, including algorithms, complexity, and multi-threading, and Java’s language capabilities and standard libraries.
Good knowledge of the data structures: familiarity with the Java collections framework, depth of understanding of the commonly used data structures, intuition on what to use when.
Proven experience building backend services for front-office trading systems.
Deep understanding of front-office workflows and electronic trading platforms (any asset class).
Built or contributed to the algorithmic order management systems or order routing systems (any asset class).
Expertise in multi-threading, event-driven systems, and performance tuning.
Ability to break down complex workflows into maintainable, high-quality solutions.
Strong communication skills and comfort working in high-stakes, trader-facing environments.
Knowledge that is required for building low-latency (measured in microseconds) trading systems.
Ability to align your work with a 6 hour overlap with US Eastern business hours.
Nice to have
Experience with trading protocols or FX trading systems.
Exposure to time-series databases and market data integration.
Familiarity with algorithmic workflows and pricing engines.
A computer science degree from a top Polish school.
The recruitment process
Submit your CV.
Answer a few written questions and a short programming exercise, which you can do at your own pace.
-
Participate in an online three-stage interview process:
Technical screen interview
-
Three technical interviews with future team members
Discuss your experience and skills.
Solve verbal algorithm problems (focus on clarity and understanding).
Tackle live coding challenges (no trick questions).
Successful candidates will need to pass a standard background check.
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Krakow, Poland
23,520 - 30,240 PLN
🏢 Summary: Senior Java Back-End Developer role focused on building and maintaining a high-availability FX post-trading risk and PnL calculation platform. The position involves designing, developing, and supporting robust, scalable back-end services that ensure regulatory compliance and operational reliability. The role includes end-to-end delivery, performance optimization, and production support in a financial environment. 🗂️ Requirements: 5+ years of Java back-end development experience, Strong knowledge of HTTPS and RESTful APIs, Experience with microservices architecture, Experience with message queues (MQ), Knowledge of high-availability and reliable system design, Hands-on experience with SQL and PostgreSQL, Experience delivering and owning Java-based services or modules, Fluent spoken and written English, Legal right to work in the European Union 📃 Skills: Java, HTTPS, REST, Microservices, MQ, SQL, PostgreSQL, GCP, NoSQL, Cloud 🏢 Description: Unleash Innovation in Global Finance — Drive Cutting-Edge Post-Trading Risk Solutions Krakow-based opportunity with hybrid work model (up to 3 days remote/week) As a Senior Java Back-End Developer , you will be working for our client, a leader in the financial services industry, focusing on the development of a critical FX Calculations platform. This role involves building and maintaining high-availability systems that support traders' daily activities and ensure regulatory compliance — empowering the future of digital finance and risk management. Your main responsibilities: Develop, improve, and maintain the bank’s proprietary solution for post-trading risk and PnL calculations, ensuring system robustness and accuracy. Collaborate with cross-functional teams to perform end-to-end project delivery, including requirement analysis, coding, testing, and deployment. Design detailed technical specifications covering data models, interfaces, and performance tuning. Provide production support, incident management, and system ownership, including troubleshooting and performance enhancements. Participate in code reviews, solution design discussions, and team activities to promote continuous improvement and best practices. Support and contribute to problem-solving, performance tuning, and proof-of-concept initiatives. You're ideal for this role if you have: Over 5 years of experience in Java back-end development, with a solid understanding of HTTPS, RESTful APIs, microservices, and message queues (MQ). Strong knowledge of high-availability service architecture and reliable system design. Hands-on experience with SQL, particularly PostgreSQL, including database performance optimization. Proven track record of delivering Java-based services/modules and owning or leading technical projects. Excellent communication skills in English, with the ability to facilitate discussions and presentations, and proficiency in Mandarin is a plus. Analytical mindset, problem-solving skills, and passion for technology innovation. Ability to perform under pressure and work effectively as a team player. It is a strong plus if you have: Experience in high-volume data processing and compute. Knowledge of no-SQL databases or columnar storage solutions. Experience building services on cloud platforms, especially GCP. Front-end development skills or experience. Background in production support and agile development environments. Domain expertise in banking, trade lifecycle, and post-trade processing for FX or financial investment products. Language Required for the role: Fluent spoken and written English Eligibility to work on this role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.
Technology
ITDS
Senior Java Backend Engineer – Trading and Risk Management
Senior
Hybrid
Krakow, Poland
25,200 - 29,400 PLN
🏢 Summary: Senior Java Backend Engineer role focused on building and enhancing Front Office trading and risk management systems for FX and Commodities markets. The position involves developing low-latency, high-availability backend services and real-time risk capabilities within a global trading environment. The offer includes hybrid work in Krakow and the opportunity to work on high-impact financial systems. 🗂️ Requirements: 5+ years of Java backend development experience in financial services, Proficiency in HTTPS, RESTful API, microservices, and MQ, Understanding of high-availability service architecture, Experience with SQL and PostgreSQL or Sybase, including performance tuning, Experience delivering or leading Java-based services or modules, Fluent English communication skills, Legal right to work in the European Union 📃 Skills: Java, HTTPS, REST, Microservices, MQ, SQL, PostgreSQL, Sybase, CI/CD, Agile 🏢 Description: Unleash innovation at the forefront of trading technology — shape the future of risk management! Krakow-based opportunity with hybrid work model. As a Senior Java Backend Engineer – Trading and Risk Management , you will be working for our client, a leading financial institution specializing in foreign exchange and commodities trading. You’ll contribute to developing high-impact Front Office applications that support and expand institutional trading operations across global markets. Join us to drive technological excellence and elevate trading solutions in a dynamic, fast-paced environment. Your main responsibilities: Develop and support front-to-back trading exchanges, client portals, and end-to-end trade lifecycles. Build high-end solutions using market-leading technologies across the trading stack. Deliver cross-product Front Office systems for trading and risk management in FX and Commodities. Maintain and enhance electronic trading applications optimized for low latency and high throughput. Enable real-time risk management capabilities for FX and Commodities trading workflows. You're ideal for this role if you have: 5+ years of experience in Java back-end development in financial services. Proficiency with HTTPS, RESTful API, micro-services, and MQ. Solid understanding of high-availability service architecture. Experience with SQL and at least one main-stream database (PostgreSQL or Sybase), including basic performance tuning. Proven ability to own or lead the delivery of Java-based services or modules. Excellent communication skills in English, capable of discussing complex ideas efficiently. Strong analytical and problem-solving skills. Passionate about technology, with a curiosity to stay updated and deepen expertise. Ability to perform under pressure with calmness in urgent situations. A collaborative team player mindset. It is a strong plus if you have: (optional) Experience in production support. Knowledge of agile development, CI/CD practices. Language Required for the role: Fluent in English, with excellent communication skills. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.
Technology
EPAM Systems
Lead Java Backend Developer
Senior
Hybrid
Krakow, Poland
🏢 Summary: Lead Java Backend Developer role focused on building a rule-based FX hedging and overlay platform using Java, Spring Boot and microservices. The position involves developing backend services, integrating external systems, optimizing performance and contributing to architectural decisions in a distributed enterprise environment. Hybrid work with 3 days per week in the office is required. 🗂️ Requirements: 5+ years of software development experience in Java backend or full-stack development, Bachelor's degree in Computer Science or related field, Proficiency in Java, Experience with Spring Boot, Knowledge of microservices architectures, Understanding of REST API design, Experience building and consuming RESTful services, Experience with PostgreSQL, Experience with MySQL, Exposure to NoSQL databases, Knowledge of distributed systems, Experience with Kafka, Understanding of event-driven architecture, Experience with transactional systems and data consistency patterns, Ability to work independently and contribute to technical solutions, Experience working in Agile/Scrum teams, English proficiency at B2 level or higher, Availability to work from the office 3 days per week 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, PostgreSQL, MySQL, NoSQL, Kafka, Agile, Scrum 🏢 Description: We are seeking a Lead Java Backend Developer to join the team building a new Currency Administration (FX hedging/overlay) platform. This system is a rule-based engine that consumes external data, performs FX overlay calculations and raises alerts for required transactions through an internal exception dashboard. The ideal candidate brings strong expertise in Java/Spring and the ability to think independently and suggest improvements, acting as a proactive problem-solver rather than just a coder. Please note that working from the office 3 days per week is required. Responsibilities Implement business logic for the rule-based FX overlay engine Integrate the platform with external data sources and internal systems Ensure code quality through rigorous testing and code reviews Optimize performance and reliability of back-end services Collaborate with global teams and propose technical improvements Troubleshoot and resolve issues across the platform Contribute to architectural decisions and technical direction Requirements 5+ years of professional experience in software development with a focus on Java back-end or full-stack development Bachelor's degree in Computer Science or related field (or equivalent practical experience) Proficiency in Java (8+), Spring Boot and microservices architectures Understanding of REST API design with experience building and consuming RESTful services Experience with relational databases such as PostgreSQL and MySQL, with exposure to NoSQL stores Familiarity with transactional systems and data consistency patterns in enterprise applications Knowledge of distributed systems, messaging frameworks such as Kafka and event-driven architecture Capability to work independently, grasp complex business logic and contribute proactively to technical solutions Skills in collaboration within cross-functional teams and experience working in an Agile/Scrum environment English proficiency at B2 level or higher We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
HSBC Service Delivery
Senior Software Engineer (FX Options)
Senior
Hybrid
Krakow, Poland
20,000 - 25,000 PLN/mo
🏢 Summary: Senior Java Developer role in FX Options IT focused on building high-performance trading and risk management systems for investment banking. The position involves developing low-latency distributed applications, collaborating with global teams, and supporting pricing, hedging, and trading automation solutions. The offer includes competitive salary, benefits, flexible work arrangements, and opportunities to work on mission-critical financial systems. 🗂️ Requirements: 5+ years of relevant enterprise development experience, Strong Java server-side development, Multi-threaded programming experience, Experience with high-performance low-latency distributed systems, Knowledge of object-oriented or functional programming, Experience with agile delivery methodologies, Degree in Mathematics, Statistics, Physics, Engineering or related quantitative field, Understanding of e-trading workflows and derivatives, Strong analytical and problem-solving skills, Ability to communicate with technical and non-technical stakeholders, BDD/TDD familiarity, Knowledge of Solace or JMS middleware 📃 Skills: Java, JVM, Solace, JMS, BDD, TDD, Agile, Multithreading, OOP, Functional, Derivatives, E-trading 🏢 Description: Some careers shine brighter than others. If you’re looking for a career that will help you stand out, join HSBC, and fulfil your potential. Whether you want a career that could take you to the top, or simply take you in an exciting new direction, HSBC offers opportunities, support and rewards that will take you further. Your career opportunity We’re FX Options IT Poland, a technology department providing technology services and solutions for the Investment Bank businesses at HSBC. Systems we create enable transactions across multiple asset classes. Our teams work in partnership with the business counterparts to deliver high-throughput systems, from low latency trading applications to primary trading platforms. We manage our own architecture and build out our preferred solutions. FX Options IT has a proven track record of delivering critical front office pricing, trade lifecycle and risk management trading solutions. The team covers all the aspects of FX Options pricing and risk management trading solutions. A successful candidate will be working with a global team, that is spread over UK, Poland, Canada, and Guangzhou, to build a multi-tier, high availability system that covers a large range of derivative products and structures. We are looking for an experienced Senior Java developer who will join our FX Options team in Krakow, Poland. What you’ll do Gather requirements, design, develop, and test robust Java solutions; implement and provide second-line support for production systems. Deliver business objectives through agile methodologies, demonstrating ownership of mission-critical systems. Develop and deploy high-performance JVM-based systems, expanding trading to new venues and desks as needed. Collaborate with business stakeholders to deliver new pricing and hedging functionality across multiple regions. Drive trading automation and participate in end-to-end architecture, design, and development activities, challenging the status quo for greater efficiency. Enhance testing and back testing capabilities to reduce defects and accelerate strategy development. Build tools that integrate seamlessly with trading platforms and quantitative analytical tools, improving operational efficiency and decision-making. Conduct research in technology and business processes to ensure adoption of best practices and support business delivery. What you need to have to succeed in this role Minimum 5 years’ relevant experience, with a strong track record of agile delivery and success in enterprise environments. Strong Java server-side development skills, including multi-threaded programming. Strong analytical and problem-solving skills, with the ability to interpret complex data and translate it into clear, actionable insights. Degree (or equivalent experience) in a highly quantitative discipline such as Mathematics, Statistics, Physics, Engineering, or a related field. Proven experience designing and implementing high-performance, low-latency, and distributed systems. Ability to deliver reusable, maintainable object-oriented or functional programming solutions. Familiarity with BDD/TDD practices and middleware technologies such as Solace/JMS is desirable. Excellent attention to detail and the ability to communicate effectively with both technical and non-technical stakeholders. Self-motivated, organised, and capable of independent problem-solving. Solid understanding of e-trading workflows, derivatives, and trading desk operations in large financial institutions. What we offer The pay range for this role is 20 000 PLN – 25 000 PLN (monthly, gross). Variable pay is discretionary, but influenced by Group performance, business/function performance and individual performance. We offer a comprehensive and competitive package of benefits covering healthcare, family friendly leaves, pension and life assurance, as well as many other benefits to support your wellbeing. Additional bonuses for recognition awards Multisport card Private medical care Life insurance One-time reimbursement of home office set-up (up to 800 PLN) Cafeteria platform Employee assistance program Additional contributions to PPK scheme Corporate parties & events CSR initiatives Nursery discounts Financial support with trainings and education Social fund Flexible working hours Free parking If your CV meets our criteria, you should expect the following steps in the recruitment process: Online behavioural test Telephone screen Interview with the hiring manager Being open to different points of view is important for our business and the communities we serve. At HSBC, we’re dedicated to creating diverse and inclusive workplaces. We are committed to removing barriers and ensuring careers at HSBC are inclusive and accessible for everyone to be at their best. If you have a need that requires accommodations or changes during the recruitment process, please let us know. We are looking to hire as soon as possible so don’t wait and apply now! You'll achieve more when you join HSBC.