We are seeking a Senior Java Developer to join our global Fixed Income Rates and Credit Markets Technology team.You will work across multiple countries to design and deliver high-performance trading applications, enhancing existing systems and developing new features. Join us to contribute to a sophisticated, multi-faceted trading platform and advance your career in financial technology.This role offers a hybrid model, allowing you to work 3 days a week from our office in Kraków.Responsibilities Architect scalable Java applications for complex business challenges Develop high-performance components for Fixed Income Rates and Credit trading desks Optimize and refactor existing system components to improve performance and maintainability Lead user acceptance testing and demonstration sessions with key stakeholders Translate business requirements into detailed technical specifications Collaborate with global IT teams to ensure seamless system integration Support production rollouts and provide ongoing maintenance and troubleshooting Requirements 5+ years of professional Java and Spring development experience Strong knowledge of low-latency, multi-threaded programming techniques Excellent problem-solving and analytical skills Strong communication skills to explain complex technical concepts to non-technical stakeholders Willingness to learn and adapt to new technologies and market changes Experience in financial services or trading platform development preferred English proficiency at B2 level or higher Nice to have Understanding of financial markets, particularly Rates and Credit bonds or derivatives with trading platforms such as Bloomberg and Tradeweb Familiarity with messaging systems like Apache Kafka and data serialization formats such as AVRO Knowledge of cloud platforms including Azure, AWS, or GCP 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.