We are seeking a Lead Java Developer to join our global Fixed Income Rates and Credit Markets Technology team.You will design and deliver high-performance applications for trading desks, contributing to new features and system stability. Apply now to be part of a motivated, international team.This role offers a hybrid model, allowing you to work 3 days a week from our office in Kraków.Responsibilities Architect and develop scalable Java applications for complex business challenges Optimize and refactor existing components to improve performance and maintainability Lead UAT and demonstration sessions with key stakeholders Translate business requirements into technical specifications Collaborate with global IT teams to ensure seamless integration Support production rollouts and provide ongoing maintenance Contribute to new feature development and system enhancement Requirements 7+ 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, able 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 technology is preferred Upper-intermediate proficiency in English (B2+) Nice to have Understanding of financial markets, particularly Rates and Credit bonds/derivatives with trading platforms such as Bloomberg and Tradeweb Familiarity with messaging systems like Kafka and data serialization formats like AVRO Knowledge of cloud platforms such as 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.