April 28, 2026

Senior Java Developer

Senior • Hybrid

Krakow, Poland

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.

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Hybrid

Krakow, Poland

🏢 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.

Technology

EPAM Systems

Senior Java Data Engineer

Senior

Hybrid

Gdansk, Poland

🏢 Summary: Senior Java Data Engineer role focused on building scalable, high-performance data platforms supporting datacenter planning and development. The position involves developing Proof of Concepts, integrating multiple data sources, and configuring AI Agents within a client-facing, mission-critical environment. Work includes full lifecycle development and close collaboration with architects and stakeholders in a hybrid model. 🗂️ Requirements: 4+ years of software development experience across full implementation lifecycle, 3+ years of hands-on Java experience, Strong SQL skills, Hands-on experience developing or configuring AI Agents, Experience in system integration, Ability to communicate in English at B2 level in client-facing environment, Ability to work onsite 3 days per week in Poland 📃 Skills: Java, SQL, AI, Agents, Integration, Python, GCP, Azure, AWS 🏢 Description: Join EPAM as a Senior Java Data Engineer on an innovative engineering team developing mission-critical software systems that support the planning and development of datacenters. Our solutions streamline supply timelines and supplier relationships, empowering our client’s business in the fast-evolving technology infrastructure domain. You’ll contribute to a high-impact platform used by external customers to build next-generation applications and solutions. You’ll be part of a modern, self-governing team focused on delivering scalable, high-performance platforms for the technology infrastructure sector. The project involves direct daily communication with the client, rapid prototyping, and Proof of Concept development based on architectural designs. We value autonomy, mastery, and a focus on quality delivery with minimal meetings, allowing you to concentrate on engineering excellence. 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 Kraków, Wrocław, or Gdańsk, Poland. Responsibilities Collaborate with architects, engineers, and product managers to design and implement scalable platform solutions Develop Proof of Concepts and prototypes based on architectural guidelines Integrate and manage multiple data sources Configure and work with AI Agents as part of the solution Communicate directly with client stakeholders to clarify requirements and present solutions Ensure timely, high-quality delivery in a self-managed environment Requirements 4+ years of experience in software development and integration across the full system implementation lifecycle (analysis, design, implementation, build, test, support) 3+ years of hands-on Java experience Strong SQL skills Hands-on experience developing/configuring AI Agents Strong self-management and prioritization abilities Excellent English communication skills (B2 level), with proven experience in client-facing roles Nice to have Experience with Python Skills in Agent configuration (e.g., Agent Development Kit or similar tools) Familiarity with AI Agent integration 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.

Technology

EPAM Systems

Senior Java Developer

Senior

Hybrid

Krakow, Poland

🏢 Summary: Senior server-side Java Developer role focused on designing, building and supporting scalable distributed systems for Foreign Exchange trading platforms in a global financial environment. The position covers the full software development lifecycle and emphasizes high-performance, multi-threaded and messaging-driven architectures. Hybrid work model with collaboration in an international enterprise setting. 🗂️ Requirements: Proficiency in core Java development, Experience with asynchronous programming and multithreading, Experience designing scalable distributed systems, Hands-on experience with Spring and Spring Boot, Experience with messaging systems such as Kafka or Tibco EMS, Working knowledge of Linux, Ability to refactor and modernize legacy code, Fluent English 📃 Skills: Java, Spring, SpringBoot, Kafka, Tibco, Linux, Azure, Docker, DevOps, Multithreading, Reactive 🏢 Description: We are seeking a Senior server-side Java Developer with strong design and problem-solving skills to join our team. In this role, you’ll be involved in the full software development lifecycle, contributing to the design, development and support of robust scalable distributed systems. The client operates in the global financial sector, offering wealth management, investment banking and asset management services. You’ll work in an international, collaborative environment that values innovation and teamwork, utilizing modern industry-standard technologies. This role offers a hybrid model with 3 days per week working from the client's office in Krakow. Join us and bring your expertise to a team where your ideas and skills will help shape the future of global finance. Responsibilities Design, develop and maintain robust scalable server-side solutions for Foreign Exchange trading systems Participate in the entire software development lifecycle including requirements gathering, design, development, testing, rollout and Level 3 support Build and enhance distributed systems in an enterprise environment applying expertise in multi-threaded programming Integrate and optimize messaging and middleware technologies such as Kafka and Tibco EMS Utilize frameworks like Spring and Spring Boot and apply reactive programming paradigms Contribute to cloud-based solutions leveraging technologies such as Azure, Docker and DevOps practices Refactor and improve legacy codebases implementing modern best practices Collaborate effectively within a team and work independently when required Communicate clearly in English with both technical and non-technical stakeholders Requirements Proficiency in core Java development including asynchronous programming and multithreading Experience designing and building robust scalable distributed systems in an enterprise environment Familiarity with messaging and middleware technologies such as Apache Kafka and Tibco EMS Hands-on experience with frameworks such as Spring and Spring Boot and familiarity with reactive programming paradigms Working knowledge of Linux Ability to refactor and improve legacy codebases applying modern best practices Capability to work independently and collaboratively within a team Fluent English for effective communication with global stakeholders Nice to have Experience with cloud platforms Azure, Docker and DevOps practices Foreign Exchange trading domain knowledge Advanced experience with messaging/middleware technologies Experience with additional frameworks or paradigms relevant to distributed systems 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.