Senior Java Developer

🏢 Summary: Senior Java Developer role focused on building and evolving a globally distributed trading platform for fixed income products. The position involves designing and implementing high-quality software components, supporting platform optimization and migration, and collaborating with international IT teams. It requires strong expertise in Core Java, Spring, and SQL within enterprise-level systems. 🗂️ Requirements: At least 5 years of experience in software development, Strong knowledge of Core Java, Proficiency in SQL, Proficiency in Spring framework, Strong written and verbal English, Ability to work collaboratively in a global team environment 📃 Skills: Java, SQL, Spring, JMS, ORM, REST, WebServices, TCP/IP, Bash, Perl, Python, C++, Redis, Multithreading, Networking, Scrum, Kanban 🏢 Description: We are seeking a Senior Java Developer to join a leader in the financial domain who has been successfully involved in trading financial (Fixed income) products for many years. As part of this, a globally distributed, component-based IT system has been built. It is written mainly in Java and incorporates many enterprise technologies/standards (e.g., JMS, ORM, Spring, WebServices, REST), but also integrates other technologies, like TCP/IP networking, bash scripting, Perl, Python or even C++. Responsibilities Design and implement software components according to requirements Take responsibility for ensuring the delivery and quality standards of software Spend time with the customer to determine and understand deliverables Support business in platform rationalization and optimization Continue removing technical debt and platform standardization Support business in migration to strategic platform Work with other IT teams across the globe Requirements At least 5 years of working experience in software development Strong knowledge of Core Java Proficiency in SQL and Spring framework Good communication and time management skills Team player mentality with a pragmatic approach to software development Strong written and verbal English Nice to have Skills in multithreading, networking and web services in Java Familiarity with JMS and Redis Capability to acquire and capture requirements with attention to software quality Understanding of investment banking domain Understanding of Agile principles (experience in Scrum or Kanban) We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment 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) 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

🏢 Summary: Senior Java Developer role focused on building scalable, cloud-native applications for an AI-driven platform in the financial services domain. The position involves designing and implementing distributed systems, RESTful APIs, and secure integrations while collaborating with cross-functional teams. The role includes architectural leadership, code reviews, and delivering business-critical solutions using modern technologies. 🗂️ Requirements: 3+ years of software development experience, Proficiency in Java 18+, Strong experience with Spring Boot, Experience in RESTful API development using OpenAPI/Swagger, Knowledge of PostgreSQL or Oracle databases, Experience with Hibernate or JPA, Familiarity with CI/CD tools such as Jenkins or GitLab CI/CD, Hands-on experience with Azure cloud platform, Experience with monitoring tools like Prometheus or Splunk, Proficiency in testing frameworks such as JUnit, TestNG, Mockito, or JBehave, Experience with Kafka or REST integrations, Knowledge of security protocols including OAuth2, JWT, Spring Security, English proficiency at B2 level or higher 📃 Skills: Java, Spring, SpringBoot, REST, OpenAPI, Swagger, PostgreSQL, Oracle, Hibernate, JPA, Jenkins, GitLab, Azure, Prometheus, Splunk, JUnit, TestNG, Mockito, JBehave, Kafka, OAuth2, JWT, SpringSecurity 🏢 Description: We are seeking a Senior Java Developer to join our innovative AI platform team at a leading global investment bank. Collaborate with data scientists, software engineers, and business analysts to create advanced solutions leveraging machine learning and generative AI in a cloud-native environment. Play a pivotal role in driving digital transformation in financial services while contributing to impactful projects on a global scale. Responsibilities Design and build highly scalable and distributed cloud applications Provide technology solutions addressing business challenges in digital financial services Design and implement sustainable solutions using modern technologies Apply advanced concepts to develop business-critical solutions Implement proofs of concept and application skeletons for team collaboration Lead and participate in architecture and design reviews with peers and stakeholders Conduct code reviews and test software across SDLC phases Requirements 3+ years of experience in software development Proficiency in Java (18+) and Spring Boot Expertise in RESTful API development using OpenAPI/Swagger Knowledge of databases like PostgreSQL or Oracle and ORM frameworks such as Hibernate or JPA Familiarity with CI/CD tools including Jenkins or GitLab CI/CD Hands-on experience with Azure cloud platform Background in monitoring tools like Prometheus or Splunk Competency in testing frameworks such as JUnit, TestNG, Mockito, or JBehave Experience in messaging and integration with technologies like Kafka or REST Capability in security protocols (OAuth2, JWT, Spring Security) English proficiency at B2 level or higher Nice to have Experience in the financial services industry Certification in Azure or related cloud platforms Understanding of Agile methodologies or DevOps practices Familiarity with other programming languages or frameworks We offer/Benefits 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.

🏢 Summary: Senior Java Engineer role focused on developing and maintaining applications supporting financial operations and the trade lifecycle in investment banking. The position involves building high-quality, testable software, including streaming solutions, within a Scrum team and contributing to modernization of securities management systems. The role includes close collaboration with global teams and production support responsibilities. 🗂️ Requirements: 3+ years of experience with Java, Experience with Spring Framework and Spring Boot, Experience with Maven or Gradle, Experience working in Agile Scrum methodology, Knowledge of test-driven and behavior-driven development, Experience with unit and integration testing, Hands-on experience with SQL, Hands-on experience with Unix, Experience with CI/CD pipelines, Ability to refactor and improve legacy codebases 📃 Skills: Java, Spring, SpringBoot, Maven, Gradle, SQL, Unix, CICD, Scrum, TDD, BDD 🏢 Description: We are looking for a Senior Java Engineer to join a global team responsible for developing and maintaining a suite of applications that support financial operations and the trade lifecycle in the investment banking sector. In this role, you will contribute to the evolution of next-generation securities management systems, working closely with operations teams and business analysts to deliver solutions for diverse business needs. Our focus is on software craftsmanship — ensuring high quality and automation in everything we do, while always keeping business value in mind. If you're ready to make an impact in a dynamic environment, we want to hear from you! This role offers a hybrid model, with 3 days per week working from the client's office in Krakow, Poland. Responsibilities Develop new features and maintain the existing codebase Build streaming applications using Apache Flink Write unit, integration, and behavior tests Collaborate within a successful Scrum development team based on mutual respect Refine user requirements through behavior-driven development (BDD) Cooperate with other global IT teams Provide level 3 support, assisting the production operations team with rollouts and support-related matters Requirements Strong experience with Java programming (3+ years) Experience with the Spring stack (Spring Framework, Spring Boot) and build tools (Maven, Gradle) Clean coding and refactoring skills with strong problem-solving abilities Hands-on experience with Agile methodologies, particularly Scrum Awareness of test- and behavior-driven development Hands-on experience with SQL and Unix Experience with CI/CD Ability to improve legacy codebases and apply modern best practices to new projects Proactive attitude and comfort working in dynamic environments with fast-paced deliveries and changing requirements Excellent written and verbal communication skills in English (B2 level), and willingness to work as part of a global team Nice to have Experience with Apache Flink or other data streaming technologies Familiarity with monitoring and troubleshooting tools in production environments Experience working with large, distributed financial systems Knowledge of test and deployment automation tools 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.

🏢 Summary: Senior Java Developer role building and modernizing client-facing applications for Rates and Credit sales and trading desks on a scalable microservices platform. The position combines hands-on Java development, architecture, testing, and close collaboration with trading and Scrum teams, with hybrid or remote work options in Poland. 🗂️ Requirements: 3+ years of Java software development experience, Java collections, multithreading, concurrency utilities, IO/NIO and sockets, Asynchronous programming, Enterprise server-side solution architecture on cloud technologies, Spring Boot and ReactJS application development, Low-latency, high-throughput messaging systems, Design patterns, Java testing frameworks, automated testing and continuous integration, Agile development practices, Upper-Intermediate English (B2) or higher 📃 Skills: Java, Spring, ReactJS, JavaScript, TypeScript, HTML5, Microservices, Cloud, IO, NIO, Sockets, JUnit, Mockito, Cucumber, Scrum, XP, Kanban, CI 🏢 Description: We are seeking a Senior Java Developer passionate about delivering new and exciting applications to support Rates and Credit sales and trading desks on a high-end microservice platform. The platform intends to replace existing client-facing applications and uses state-of-the-art technologies (Microservices, Java 11+, React, JS/TS & HTML5, Spring Boot) and solutions allowing efficient development and automatic scalable deployment. Responsibilities Be a part of a scrum team working on delivering business value through software Implement and deliver high-quality software solutions Demonstrate superior collaboration skills when working with the trading desk and other teams Understand business requirements and translate them into code Design, build, and maintain efficient, reusable code Perform unit, integration, functional, and non-functional testing Provide technical direction and system architecture Requirements 3+ years of experience in software development using Java, with expertise in low-level parts of the API such as collections, multi-threading, and Java concurrency utilities Background in architecting enterprise-level, server-side, end-to-end solutions on cloud technologies Proficiency in IO/NIO, Sockets, and asynchronous programming Skills in building applications using an IOC framework such as Spring Boot and ReactJS Familiarity with low-latency, high-throughput messaging systems Sound understanding of design patterns (exposure to functional programming is also highly desirable) Knowledge of Java testing frameworks (JUnit, Mockito, Cucumber), automated testing, and continuous integration Competency in agile development practices (Scrum, XP, Kanban) Self-starting, with the desire to take ownership of requirements from start to finish Proactive and comfortable working in dynamic environments with fast-paced deliveries and changing requirements Excellent communicator, able to lead and drive fellow teammates to deliver good-quality software Proficiency in English at an Upper-Intermediate level (B2) or higher Nice to have Hands-on experience with ELK and event streaming platforms like Kafka or Spark Knowledge of application containerization such as Docker and Kubernetes Experience with performance stress testing and chaos engineering We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode 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: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Senior Java Developer role building high-performance, data-intensive backend systems for a global investment bank. The position focuses on scalable REST APIs, reactive event-driven processing and NoSQL data platforms, with hybrid work from the client’s Warsaw office three times weekly. 🗂️ Requirements: 6+ years of software development experience, Strong Java 8 and Java 9 experience, NoSQL database experience, REST API implementation experience, Reactive Programming experience, Unit testing experience, Strong analytical and problem-solving skills, English communication skills, Availability to work from the client’s Warsaw office 3 days per week 📃 Skills: Java, NoSQL, MongoDB, REST, JAX-RS, RxJava, Reactive, Testing 🏢 Description: EPAM's Financial Services Practice is looking for an exceptionally talented Senior Java Developer to join our team of world-class engineers. You will work on cutting-edge technology solutions for one of the world's largest and most prestigious global investment banks — an institution at the forefront of financial innovation, operating across investment banking, securities, asset management, and consumer banking worldwide. This is an opportunity to build high-performance, data-intensive systems within a fast-paced financial environment, collaborating with top-tier engineering talent on platforms that operate at global scale. This role requires availability to work from the client's office in Warsaw 3 times a week. Responsibilities Design, develop, and maintain robust Java-based backend services and applications Build and enhance scalable RESTful APIs serving critical business functions Implement reactive, event-driven solutions for high-throughput data processing Work with NoSQL databases to manage and query large-scale datasets Develop comprehensive unit and integration tests to ensure code quality and reliability Collaborate with globally distributed, cross-functional teams to deliver end-to-end solutions Participate in architectural discussions and contribute to system design for scalability and performance Operate within an Agile Scrum framework, delivering iteratively with continuous feedback Requirements 6+ years of professional software development experience Strong Java development experience — with a focus on Java 8 & 9 Experience with NoSQL databases — ideally MongoDB Experience implementing REST APIs — ideally with JAX-RS Experience with Reactive Programming — ideally with RxJava Solid experience implementing unit tests Strong analytical and problem-solving skills Good communication skills in English for collaboration within an international team Nice to have Experience developing applications in fintech or established financial institutions Experience with microservice architectures Experience developing systems that can scale to large amounts of data Experience working in Agile Scrum Experience working on a globally distributed team We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode 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: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Senior Java Developer role focused on building and enhancing high-performance applications for Fixed Income Rates and Credit trading desks in a global technology team. The position involves designing scalable Java solutions, improving low-latency systems, collaborating with stakeholders and global IT teams, and supporting production rollouts. Hybrid work from the Krakow office is required 3 days per week. 🗂️ Requirements: 5+ years of professional Java development experience, Knowledge of low-latency programming, Knowledge of multi-threaded programming, Strong problem-solving skills, Strong analytical skills, Ability to communicate technical concepts to non-technical stakeholders, Ability to adapt to new technologies and market changes, English proficiency at B2 level or higher 📃 Skills: Java, Kafka, AVRO, Azure, AWS, GCP, Bloomberg, Tradeweb 🏢 Description: We are looking for an enthusiastic Senior Java Developer to build innovative applications for Fixed Income Rates and Credit trading desks. As a member of our global Fixed Income Rates and Credit markets technology team—a dynamic, driven group operating across 8 cities in 6 countries—you will provide high-performance solutions while preserving existing functionality. Please be aware that this role requires working from the Krakow office 3 days per week. Responsibilities Design and build scalable Java applications to address complex business challenges Enhance and refactor existing components to boost performance and maintainability Lead UAT and demonstration sessions with key stakeholders Convert business requirements into technical specifications Work alongside global IT teams to achieve seamless integration Assist with production rollouts and deliver ongoing maintenance Build cutting-edge solutions while sustaining a sophisticated, multi-faceted platform Requirements 5+ years of professional experience developing in Java Familiarity with low-latency and multi-threaded programming methods Outstanding problem-solving and analytical abilities Strong communication skills, capable of clarifying complex technical concepts for non-technical stakeholders Eagerness to learn and adjust to new technologies and market shifts English skills at B2 level or above Nice to have Comprehension of financial markets, especially Rates and Credit bonds/derivatives along with trading platforms (e.g., Bloomberg, Tradeweb) Experience with messaging systems such as Kafka and data serialization formats (e.g., AVRO) Understanding of cloud platforms (Azure, AWS or GCP) 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.

🏢 Summary: Senior Java Developer role focused on building and maintaining backend components and integration services for a global trading platform, including financial data processing and repo trading solutions. The position involves working in an agile, DevOps-oriented environment with cross-regional teams and requires hybrid work from Kraków or Wrocław. 🗂️ Requirements: Hands-on experience with Java, Hands-on experience with C++, Proficiency in Unix/Linux environments, Scripting skills, Knowledge of source code control tools, Experience with build tools, Strong SQL skills, Database expertise, Experience with CI/CD practices, Experience integrating messaging systems, Experience with middleware solutions, Experience working in Agile methodologies 📃 Skills: Java, C++, Unix, Linux, SQL, CI/CD, DevOps, Git, Jenkins, Messaging, Middleware 🏢 Description: We are seeking a highly experienced Senior Java Developer with expertise in C++ to join our dynamic team. You will contribute to the development of backend components, integration solutions, and services powering a global trading platform. This role encompasses financial data processing, cash and collateral management, and repo trading activities, offering the chance to work on innovative projects in a fast-paced, agile environment. This role offers a hybrid model, with 3 days per week working from the client's office in Kraków or Wrocław, Poland. Responsibilities Design, develop, and maintain backend system components and services in adherence to coding standards Collaborate with cross-regional teams to support EMEA, AMER, and APAC operations Participate in requirements analysis, functional design, and release lifecycles Integrate APIs and financial data processing solutions seamlessly Ensure robust delivery and provide support for released components Drive innovation and share best practices in software engineering Contribute to enhancing DevOps and continuous integration/delivery frameworks Requirements Hands-on experience with Java and C++ Proficiency in Unix/Linux environments and scripting Knowledge of source code control and build tools Strong SQL skills and database expertise Familiarity with engineering and DevOps practices such as continuous integration and delivery Proven capability in integrating messaging and middleware solutions Solid background in agile methodologies Excellent communication and problem-solving abilities Nice to have Background in investment banking or financial services Familiarity with financial data processing and remediation Understanding of release management processes Knowledge of global trading regulations and standards We offer/Benefits 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.

🏢 Summary: The offer is for a Senior Java Developer to build and maintain a customer-facing portal integrating multiple vendors, working in a hybrid model in Kraków. The role focuses on developing, enhancing, and maintaining business applications with strong emphasis on code quality, system integration, and continuous delivery. You will collaborate with cross-functional teams to design, debug, refactor, and improve scalable client-server solutions. 🗂️ Requirements: 3+ years experience with Java 8, Java 11 or Kotlin, Working knowledge of SQL databases, Basic knowledge of HTML and CSS, JavaScript skills for client-side debugging, Experience with client-server architecture, HTTP and REST, Knowledge of dependency injection, services and APIs, Experience with EngX, Strong object-oriented programming skills, Experience developing business applications with data storage and integration, Experience integrating 3rd-party software solutions, Understanding of data modeling, system integration and unit testing, Knowledge of web technologies, Advanced English, Residence in Kraków (hybrid work model) 📃 Skills: Java, Kotlin, SQL, HTML, CSS, JavaScript, HTTP, REST, OOP, EngX, APIs, UnitTesting, DataModeling, SystemIntegration, Cloud 🏢 Description: We are seeking a Senior Java Developer to join our driven team. You will be working in a project team that demands technical excellence and whose members are expected to hold each other accountable for the overall success of the output. The team strives to enable the client's organization to satisfy business customers through the continuous delivery of valuable and high-quality software that drives business performance. If you're ready to make an impact in a dynamic environment, we want to hear from you! For this role, we consider candidates residing in Kraków, due to a hybrid mode of work, with 3 days per week working from the office. Responsibilities Develop and maintain a front-end application to allow customers to interact with multiple vendors providing services through this portal Develop software patches and new features Write and review technical documents, including design, development, and revision documentation Create applications using standard and cloud-based software development tools Test, debug, maintain, and update programs Analyze, review, and modify programs to increase operating efficiency or meet new requirements Investigate, document, and resolve technical issues Collaborate with internal teams to define and implement solutions that improve the provider experience Perform code refactoring, reduce technical debt, and adopt a product mindset to assess code and recommend improvements Requirements 3+ years of experience with Java 8, Java 11, or Kotlin Working knowledge of SQL databases Basic knowledge of HTML/CSS Skills in JavaScript (at least at a level sufficient to understand client-side request-response flow and debug in-browser errors) Experience with client-server architecture, HTTP, and REST Knowledge of dependency injection, services, and APIs Experience with EngX Proven technical problem-solving skills Experience in object-oriented programming Experience developing business applications, including data storage and application integration Experience implementing, configuring, customizing, and integrating 3rd-party software solutions Solid understanding of information management, data modeling, system integration, and development methodologies (including unit testing) Knowledge of web technologies Quick learner Advanced written and verbal communication skills in English We offer/Benefits 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.

🏢 Summary: Senior Java Developer role focused on building high-performance, distributed microservices for next-generation market risk engines in a global financial environment. The position involves developing scalable, low-latency systems processing billions of financial records daily in a cloud-based architecture. This is a remote role from Poland within an Agile, globally distributed team. 🗂️ Requirements: 5+ years of professional experience in Java development (Java 8+), Strong expertise in multithreading and concurrency, Experience with distributed computing, Strong knowledge of SQL and complex query optimization, Experience with large-scale relational databases, Solid understanding of core Java concepts, Experience with microservices architecture, Experience with cloud technologies, Experience working in Linux environments, English proficiency at B2 level or higher 📃 Skills: Java, Multithreading, Concurrency, SQL, PostgreSQL, Oracle, Microservices, Cloud, Linux, DistributedSystems 🏢 Description: Join us as a Senior Java Developer with multithreading experience for a global team working on the next generation of market risk engines for a leading financial institution. The project focuses on developing distributed Java microservices and cloud-based solutions to process and analyze billions of financial records daily. The platform is mission-critical, supporting risk managers, board members and regulators with high-performance, scalable analytics Our client is a major player in the institutional securities domain, providing technological solutions for fixed income, equities, commodities, investment banking and global capital markets. Their products enable risk mitigation and regulatory compliance for some of the world’s largest financial organizations This role offers a remote work mode from Poland If you're ready to make an impact in a dynamic environment, we want to hear from you! Responsibilities Design, develop and optimize distributed Java applications for high-volume low-latency data processing Implement and maintain multithreaded solutions to ensure scalability and performance Collaborate with global Agile teams to deliver robust maintainable software Participate in architecture and design reviews proposing improvements and optimizations Write and maintain comprehensive technical documentation Conduct code reviews, unit testing and integration testing Troubleshoot, debug and resolve complex technical issues Requirements 5+ years of professional experience in Java development (Java 8+) Proven expertise in multithreading concurrency and distributed computing Strong knowledge of SQL (including complex queries window functions and optimization) Experience with large-scale relational databases (e.g., PostgreSQL Oracle) Solid understanding of core Java concepts (e.g., transient vs volatile static initialization blocks) Familiarity with microservices architecture and cloud technologies Experience with Linux environments Good command of English (B2 or higher) Nice to have Experience with big data technologies (e.g., Apache Spark Greenplum) Knowledge of process optimization and data migration strategies Familiarity with event-driven architectures Exposure to financial services or risk management domains Experience with containerization (Docker Kubernetes) Understanding of Agile methodologies and DevOps practices We offer/Benefits 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.

🏢 Summary: Senior Java Engineer role building and supporting mission-critical regulatory reporting systems for a global investment bank. The position focuses on high-volume data processing, technical design, production stability, and collaboration with business users across financial products. 🗂️ Requirements: Strong Java 8, Spring, and Spring Boot backend development experience, Database design, SQL, and query optimization knowledge, Object-oriented analysis and design skills, Knowledge of design patterns, clean code, OOD, TDD, BDD, DDD, and CI/CD, Proficiency with IntelliJ IDEA, Git, Gradle, Maven, Jenkins, and JIRA, Java application debugging, performance tuning, deployment, maintenance, and monitoring skills, Understanding of modern technical architectures, English communication skills at B2+ level 📃 Skills: Java, Spring, SpringBoot, SQL, OOD, TDD, BDD, DDD, CICD, IntelliJ, Git, Gradle, Maven, Jenkins, JIRA 🏢 Description: EPAM is looking for an experienced Senior Java Engineer to join a fast-moving engineering team delivering mission-critical software for a leading global investment bank. The project focuses on strategic regulatory reporting systems that process and report data to global regulators in a complete, accurate, and timely manner — handling millions of messages daily with strict SLAs. This role offers a unique opportunity to gain a comprehensive understanding of financial instruments across multiple asset classes — from high-volume Cash Equities to complex Commodities, Credit, Equities, and Interest Rate derivatives. Responsibilities Develop and maintain Java-based applications for regulatory data processing and reporting Design infrastructure and network topology solutions for innovative projects Apply best development practices to produce high-quality code and effectively utilize technologies Provide architectural expertise and technical assistance to other team members Lead technical design discussions with fellow Java Developers and ensure development methodology is followed Build relationships with business users and facilitate requirements gathering Investigate and resolve production issues; help maintain a stable production environment Requirements Strong experience in designing and implementing Java-based backend applications (Java 8, Spring, Spring Boot) Knowledge of database design and SQL, including query optimization Solid Object-Oriented analysis and design skills — understanding of design patterns, clean code principles, and concepts such as OOD, TDD, BDD, DDD, CI/CD Proficient with tools used across the software development lifecycle: IntelliJ IDEA, Git, Gradle, Maven, Jenkins, JIRA, etc. Familiarity with debugging and performance tuning, along with a good understanding of deploying, maintaining, and monitoring complex Java applications Knowledge of modern technical architectures and how to pragmatically leverage their benefits Excellent analytical and problem-solving skills Good written and verbal communication skills in English (B2+) Nice to have Experience with GitHub, ELK Stack, Kafka, Docker, Kubernetes, Spring Batch, Spring Integration Familiarity with event-driven architectures and stream processing Experience with other JVM languages such as Groovy Hands-on experience in Agile methodologies (Scrum, Kanban, XP) Exposure to UNIX/Linux environments with shell scripting Experience or interest in financial products and regulatory reporting We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode 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: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.