Senior Java Engineer (m/f/n)

🏢 Summary: Java Developer role focused on developing and optimizing business applications and microservice-based architectures within an Agile payment solutions environment. The position involves designing technical solutions, supporting system integration and maintenance, and ensuring software quality for omnichannel payment platforms. 🗂️ Requirements: Java 9 or higher, Spring, J2EE, SQL, PL/SQL, Microservice architecture knowledge, Understanding of UML, Knowledge of design patterns, Knowledge of software architecture best practices, Git, Software development and testing methodologies, English B2, Polish B2 📃 Skills: Java, Spring, J2EE, SQL, PLSQL, Microservices, UML, Git 🏢 Description: Ready to take your career global? Make your mark at one of the biggest names in payments. We’re looking for Java Developer to join our ever evolving Java and Oracle Applications team within eService and help shape the future of global commerce. eService is the market leader in payment card acceptance and electronic transaction clearance in Poland and is the largest technology provider of merchant acquiring services  in Central and Eastern Europe.  The company has been in business for nearly 25 years, and offers omnichannel payment solutions for merchants, both in store and online, including POS terminals and a payment gateway for e-commerce and m-commerce solutions. The company supports the promotion of cashless payment methods in small and medium-sized enterprises, as well as in local government units and public institutions. eService is a joint venture of Global Payments Inc. (NYSE: GPN) and PKO Bank Polski. Headquartered in Atlanta, Georgia with approximately 27,000 team members worldwide, Global Payments is a Fortune 500® company and a member of the S&P 500 with worldwide reach spanning North America, Europe, Asia Pacific, and Latin America. What you’ll own Develop, maintain, and optimize business applications and application architecture Design and propose technical and architectural solutions within an Agile team Support system, integration, stabilization, and maintenance activities Ensure software quality, compliance with standards, and participate in testing Contribute to release planning, effort estimation, and application environment management What you’ll bring Java (min. version 9, preferably 17) and Spring/J2EE SQL/PL/SQL and microservice architecture Understanding of UML, design patterns, and software architecture best practices Git, code documentation, and software development/testing methodologies English and Polish (B2) proficiency What we offer employment contract with the prospect of long-term cooperation onboarding training in the first days of work - you will get to know our company better training for employees: with us you will develop your professional and personal potential private medical care in Luxmed for you and your family members (including dental care) access to Multisport card possibility to join a group life insurance free English and German lessons (online) access to a free and anonymous psychological, financial and legal counseling program fresh fruit every Wednesday and delicious coffee from Praska Palarnia every day About the team Our inclusive and global teams win together every day. We’re proud to have the best minds in the industry, who you can learn from as you grow your career. The people, the energy, the connections – it’s unmatched. Come and be part of an ever-evolving company and get dynamic opportunities that go beyond borders. What makes a Globalpayer? Globalpayers think like a client, act like an owner and win as one team. We’re curious and innovative – always finding better ways to deliver impact. We empower each other to make decisions, and it’s our passion that drives excellence in everything we set out to do. Does this sound like you? Then you sound like a Globalpayer. Apply now to take your career global. Add LinkedIn #MK

🏢 Summary: B2B contract role for a Senior Java Developer focused on designing and maintaining scalable backend systems and APIs across diverse software projects, including AI-driven and legacy modernization initiatives. The position involves architectural input, code quality improvements, and deployment support in cloud environments within Agile teams. 🗂️ Requirements: Minimum 5 years of experience as a Java Developer, Commercial experience with Spring Boot or Hibernate, Strong knowledge of object-oriented programming and design patterns, Experience building and integrating RESTful APIs, Experience with SQL and NoSQL databases, Experience with cloud platforms (AWS, Azure, or GCP), Knowledge of CI/CD pipelines and version control systems, Experience working in Agile/Scrum teams, English proficiency at B2 level or higher, Experience with AI technologies or AI-powered solutions 📃 Skills: Java, Spring, SpringBoot, Hibernate, REST, SQL, NoSQL, PostgreSQL, MySQL, MongoDB, AWS, Azure, GCP, CI/CD, Git, OOP, Scrum, AI 🏢 Description: About position: We are currently building our talent pool for future Senior Java Developer roles. As our company is expanding, you may have the opportunity to work on a variety of software solutions across multiple initiatives, including projects we will be delivering in the future, from building native AI solutions to modernizing legacy systems. If you enjoy collaborating in a skilled team and are committed to delivering top-notch software, we’d love to connect. We're not prescriptive about background. Whether you've worked in fintech, SaaS, e-commerce, or enterprise systems, what matters is that you've shipped production software at scale, cared about its reliability, and learned from what broke. Who we are: We are Inspeerity (part of DevelopX group), engineering consultancy providing software development and consultancy. Our primary expertise is systems architecture and full stack development – from defining project requirements, to designing, building, and deploying software applications for web, backend, enterprise and mobile. We are crazy about technology, serious about people. TL;DR • Who : Senior Java Developer • Contract Type : B2B Framework Agreement. • Salary range: Up to 150 PLN/h • Company : Software House What you’ll be doing: Designing, implementing, and maintaining high-quality Java applications. Developing backend components and APIs to support scalable software solutions. Collaborating with cross-functional teams. Reviewing and refactoring code to ensure maintainability, performance, and security. Participating in technical design discussions and contributing to architecture decisions. Writing and maintaining technical documentation for systems, APIs, and processes. Supporting deployment and integration of applications in different environments. You will be the best fit if you have: 5 years of experience as a Java developer, preferably with exposure to Spring Boot, Hibernate, or similar frameworks. Strong understanding of object-oriented programming, design patterns, and clean code principles. Experience with RESTful APIs and web services integration. Familiarity with SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB). Experience with cloud environments such as AWS, Azure, or GCP. Knowledge of CI/CD pipelines and version control systems (e.g., Git). Strong problem-solving skills and ability to troubleshoot complex issues. English level B2 or higher. Experience working in Agile/Scrum teams and contributing to iterative development. Experience with AI technologies, including using AI tools for development and building AI-powered features or applications. What we offer : Remote work or working from our Bialystok, Warsaw, Rzeszow offices. It's up to you! Collaboration with experienced and engaged people who will appreciate your work and support you whenever you need it 😊 Hybrid and flexible cooperation model based on a B2B Framework Agreement. Great working conditions and best equipment: Dell or MacBook, your choose. Good to know: We don’t require a degree. We don’t do whiteboard puzzles or trick questions. Our interview process is practical: a technical conversation and a chat about how you work. We value direct communication and intellectual curiosity. If you’re someone who gets excited about debugging a tricky concurrency issue - not because you have to, but because you want to understand it — we’ll get along well.

🏢 Summary: Senior Java Developer role focused on building and optimizing ultra-low-latency, high-performance trading systems. The position involves developing core server-side components, enhancing scalability, and driving cloud transformation within a financial trading platform. Work includes performance tuning, microservices development, and system optimization in a production trading environment. 🗂️ Requirements: 3+ years Java development experience (Java 8/11), Strong Core Java knowledge, Experience with J2EE architecture, Understanding of OOP principles, Knowledge of JVM and JNI, Experience with Maven, Advanced multithreading and concurrency, Asynchronous programming, Shared memory concepts, Garbage Collection optimization, Memory management, Experience with microservices architecture, REST API development, Performance tuning and benchmarking, Capacity testing, Knowledge of data structures and complexity analysis, Hands-on experience with IntelliJ IDEA, Experience in financial services or trading systems, Working knowledge of Agile/Scrum, Understanding of CI/CD practices 📃 Skills: Java, J2EE, JVM, JNI, Maven, Multithreading, Concurrency, Asynchronous, HashMap, Microservices, REST, GarbageCollection, MemoryManagement, Benchmarking, IntelliJ, Agile, Scrum, CI/CD, DataStructures 🏢 Description: We are looking for a Senior-level Java Developer to work on server-side development for a high-performance trading platform. You'll be responsible for building, optimizing, and enhancing core application logic focused on ultra-low-latency processing and seamless scalability. The project involves transforming financial information systems to modern cloud-based architecture while maintaining the highest standards of performance and reliability. Our Client is a leading global financial markets company specializing in derivatives trading and market infrastructure, operating one of the world's largest and most diverse derivatives marketplaces. This position offers remote work within Poland and work in the US Central Time (2 pm-10 pm). Ready to launch your career in cloud engineering? Apply now and join our global team! Responsibilities Design and develop robust Java applications using Core Java (8/11) with J2EE Architecture Build and maintain a microservices architecture with REST APIs Conduct performance tuning through benchmarking and capacity testing to identify system bottlenecks Optimize applications for high throughput by managing memory allocation and Java runtime options Minimize Garbage Collection impact and develop resource-efficient code Monitor and optimize system performance, including memory utilization, CPU usage, disk I/O, and system load Participate in code reviews and ensure adherence to development best practices Collaborate with cross-functional teams in an Agile/Scrum environment Support Google Cloud Platform transformation initiatives Solve complex technical problems creatively and communicate solutions effectively Provide L3 technical support for system components when required Lead and mentor team members to achieve critical project objectives Requirements Minimum 3+ years of hands-on Java development experience (Java 8 or 11) Strong understanding of Java core concepts: OOP, JVM, JNI, Maven Proficiency in advanced Java features: Multithreading, HashMap, Asynchronous programming, Concurrency, Shared memory Experience with Garbage Collection optimization and memory management Hands-on experience with IntelliJ IDEA development environment Deep knowledge of data structures and their performance characteristics (time and space complexity) Proven experience in financial services or trading desk environments Working knowledge of Agile/Scrum methodologies and CI/CD practices Strong analytical and problem-solving skills Ability to adapt quickly to dynamic work environments and make independent decisions Self-motivated individual who thrives in fast-paced, challenging environments Comfortable working both independently and as part of collaborative teams Excellent verbal and written communication skills in English (B2+ level) Strong team collaboration and interpersonal skills Nice to have Experience with Google Cloud Platform (GCP) Knowledge of containerization technologies, including Docker and Docker Swarm Manager Familiarity with the Kubernetes orchestration platform Experience with Jenkins for continuous integration and deployment Knowledge of Ansible for configuration management and automation Understanding of cloud-native development practices Experience with performance monitoring and observability tools 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 transforming a global enterprise platform into cloud-based microservices. The position involves developing enterprise solutions with Java 17-21, Spring, and Spring Boot while supporting critical business systems and cloud infrastructure initiatives. Hybrid work from the customer’s office is required 3 days per week. 🗂️ Requirements: 5+ years of experience with Java, Hands-on expertise in microservices architecture, Proficiency in Java 17-21, Experience with Spring, Experience with Spring Boot, Exposure to cloud platforms, Ability to work as a senior, self-sufficient engineer, English proficiency at B2 level or higher 📃 Skills: Java, Spring, SpringBoot, Microservices, Cloud, Azure, Copilot, GitHub 🏢 Description: We are looking for a Senior Java Developer to join the team supporting chapters and pods in bringing the client's platform to the cloud. This role contributes to solving complex enterprise-wide problems, with cloud data storage as a key enabler of our transformation journey. Please note that working from the customer's office is required 3 days per week. Responsibilities Support a large global system that underpins the client's operations worldwide Contribute to a project with direct and critical impact on business stability Help transform the system into microservices hosted in the cloud Take part in building new infrastructure within the domain Collaborate with chapters and pods to advance the platform's cloud journey Develop enterprise solutions using Java 17-21, Spring and Spring Boot Participate in long-term planning for the platform's cloud transformation Act as a senior, self-sufficient engineer within the team Requirements 5+ years of experience with Java, including hands-on expertise in microservices architecture Proficiency in Java 17-21, Spring and Spring Boot Exposure to Cloud platforms Capability to work as a senior, self-sufficient engineer Flexibility to arrange office days and working hours within the team English proficiency at B2 level or higher Nice to have Familiarity with MS Azure Familiarity with GH Copilot or similar AI-assisted development 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 focused on building and enhancing high-performance applications for Fixed Income Rates and Credit trading desks, with a hybrid work model in Krakow. The position involves designing scalable Java solutions, optimizing low-latency systems, and collaborating with global teams to deliver and maintain complex trading platforms. The offer includes career development programs, certifications, and a comprehensive benefits package. 🗂️ Requirements: 5+ years of professional Java development experience, Experience with low-latency programming, Experience with multi-threaded programming, Strong problem-solving and analytical skills, Ability to communicate technical concepts to non-technical stakeholders, English proficiency at B2 level or higher, Availability to work from the Krakow office 3 days per week 📃 Skills: Java, Multithreading, Low-latency, 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) 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 designing, building, and operating highly scalable fintech backend systems supporting high-volume payment, trading, and settlement platforms. The position involves developing production-grade Java/Spring Boot microservices, scalable APIs, and distributed systems in cloud environments. The engineer owns features end-to-end, ensuring reliability, fault tolerance, and performance in high-traffic financial systems. 🗂️ Requirements: 5–15 years backend development experience, Strong Java experience in production, Hands-on Spring Boot experience, Experience in fintech, banking, payments, or trading systems, Experience building scalable backend services and APIs, Strong SQL knowledge, Experience with NoSQL databases, Knowledge of microservices architecture, Understanding of distributed systems, Experience with asynchronous processing, Experience across full SDLC, Cloud experience with AWS or Azure, Experience debugging distributed systems, English communication skills 📃 Skills: Java, Spring, SpringBoot, SQL, PostgreSQL, MySQL, MongoDB, NoSQL, Microservices, DistributedSystems, AWS, Azure, REST, APIs, SDLC, AsynchronousProcessing 🏢 Description: We are looking for a Senior Java Developer to join our team in Poland and contribute to the development of highly scalable fintech systems supporting trillions of dollars in transactions annually . In this role, you will work closely with the US-based product and engineering teams , helping to design, build, and operate backend services for programmable payment, trading, and settlement platforms. You will report directly to the Software Manager in Poland. A key requirement is excellent English communication skills and strong soft skills — we are looking for someone eloquent, outgoing, friendly, and confident in collaboration . Requirements 5 -15 years of professional backend development experience. Strong hands-on experience with Java and Spring Boot in production systems. Previous exposure to banking, payments, trading, or financial transaction systems. Proven experience building and maintaining backend services and APIs at scale. Solid understanding of SQL and NoSQL databases (e.g., PostgreSQL/MySQL, MongoDB). Knowledge of microservices architecture, distributed systems, and asynchronous processing. Experience across full SDLC: architecture, development, testing, deployment, and maintenance. Experience operating systems in cloud environments such as AWS or Azure . Excellent communication skills in English . Nice to Have Experience with Spring AI . Degree in Computer Science or equivalent practical experience. Personal Attributes Highly hands-on engineer who enjoys owning production-grade code. Comfortable working in a fast-paced, startup or high-growth environment. Strong analytical thinking, problem-solving ability, and attention to detail. Clear communicator, confident in collaborating with international teams. Friendly, proactive, and motivated to grow with the company and product. Design and develop backend architecture for fintech products and platforms. Build, maintain, and operate high-performance Java / Spring Boot microservices running in production environments. Develop scalable APIs and backend workflows with strong emphasis on data consistency, fault tolerance, and reliability. Own features end-to-end: from implementation through deployment and production support. Debug and resolve complex issues in distributed systems and high-volume production environments. Work closely with US-based teams to translate product requirements into robust backend solutions. Write clean, maintainable code and contribute to technical documentation, diagrams, and system workflows. Participate in code reviews and continuously improve backend quality and engineering standards.

🏢 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 in an agile team driving large-scale cloud migration within a banking environment, focused on building reusable solutions and enabling adoption of public cloud (Azure). The position involves hands-on development, DevOps practices, and collaboration across global teams to support strategic platform transformation. Hybrid work model with 3 days per week on-site in Krakow. 🗂️ Requirements: Strong experience in Java, C#, JavaScript, Python or Go, Experience with CI/CD tools such as Maven, Gradle, Jenkins, TeamCity or GitLab, Experience with Docker, Kubernetes and Helm, Experience with Microsoft Azure or other major cloud platforms, Experience with Infrastructure-as-Code tools such as Terraform, ARM or CloudFormation, Proficiency in scripting languages such as PowerShell or Bash, Experience with GitHub or similar version control systems, Knowledge of Agile methodologies (Scrum or Kanban), Understanding of DevOps practices and automation, Availability to work 3 days per week from the Krakow office 📃 Skills: Java, C#, JavaScript, Python, Go, Maven, Gradle, Jenkins, TeamCity, GitLab, Docker, Kubernetes, Helm, Azure, Terraform, ARM, CloudFormation, PowerShell, Bash, GitHub, Scrum, Kanban, DevOps 🏢 Description: We are looking for a Senior Java Developer to join an agile delivery team working on a strategic cloud transformation initiative within a large-scale banking environment. In this role, you will help drive the migration of critical applications to public cloud infrastructure, collaborating with global IT teams to engineer reusable solutions and enhance developer experience. You will play a key part in building the foundation that enables seamless cloud adoption and supports innovative platform development across the organization. This role offers a hybrid model, with 3 days per week working from the client's office in Krakow. If you're ready to make an impact in a dynamic environment, we want to hear from you! Responsibilities Collaborate with IT teams to support and accelerate cloud migration projects Engineer common, reusable solutions for cloud adoption Write high-quality, reusable code and adhere to coding standards Develop clear, comprehensive documentation for solutions and processes Apply best practices in development and DevOps, leveraging modern technologies Participate in solution design, code sample creation, and architecture vision sharing Work in an agile, cross-location team environment Support improvements in internal client infrastructure migration to Cloud (Azure) Contribute to the co-development of platform solutions and processes for digital channels, cognitive services, and data Requirements Solid background in development using a language such as Java, C#, JavaScript, Python or Go CI/CD including tools such as Maven, Gradle, Jenkins, TeamCity, GitLab, etc. Containers and container orchestration using Docker, Kubernetes and Helm Microsoft Azure or other major cloud platforms Infrastructure-as-code, using tools such as Terraform, ARM or CloudFormation Scripting languages, including Windows PowerShell, Bash, etc. GitHub or similar, contributing to open-source projects Agile development practices (Scrum, Kanban) DevOps practices and the value of automation 3 days in the office per week is a must 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 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: 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.