June 12, 2026
Senior Java Developer
Senior • Remote
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.
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Hybrid
Krakow, Poland
🏢 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.
Technology
EPAM Systems
Junior Java Developer
Junior
Hybrid
Wroclaw, DS, Poland
🏢 Summary: Junior Java Developer role focused on building and maintaining mission-critical platforms supporting data center operations, including construction, rack design, hardware planning, logistics, and maintenance. The position involves full software development lifecycle participation, close collaboration with stakeholders, and development of scalable, high-performance systems in a hybrid work model in Poland. It offers strong growth opportunities within cloud engineering and enterprise-scale environments. 🗂️ Requirements: 1+ year software development experience, 1+ year hands-on Java experience, Experience across full system implementation lifecycle, Experience with Java, Experience with JUnit, Experience with Mockito, Experience with SQL, English communication skills (client-facing), Ability to work independently and self-manage tasks 📃 Skills: Java, JUnit, Mockito, SQL 🏢 Description: We are seeking a talented Junior Java Developer to join our dynamic engineering team working on mission-critical systems for data center operations. You'll contribute to developing and maintaining sophisticated platforms that support data center construction, rack design, hardware demand planning, logistics coordination, and maintenance operations. Our client is a leading technology company in the cloud infrastructure and data center services domain, operating on a global scale to deliver reliable, high-performance computing solutions. This role offers a hybrid model, with 3 days per week working from the client's office in Kraków, Wroclaw or Gdansk, Poland. Ready to launch your career in cloud engineering? Apply now and join our global team! Responsibilities Develop new features and enhance the existing codebase for improved readability and efficiency Learn project domain knowledge and master relevant technologies while actively contributing to application development and maintenance Engage in direct daily communication with client stakeholders and technical teams Collaborate with world-class engineers and architects to build scalable, high-performance platforms Participate in the full software development lifecycle from analysis and design through implementation, testing, and support Work autonomously within a modern, self-governing engineering team environment Deliver high-quality solutions on time while maintaining EPAM's standards of excellence Requirements 1+ years of experience in software development and integration through the complete system implementation lifecycle 1+ years of hands-on Java development experience Excellent English communication skills with proven experience in client-facing interactions Strong self-management and task prioritization abilities Experience with Java, JUnit, Mockito, and SQL Self-starter mindset with the ability to work independently and take ownership 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
Junior Java Developer
Junior
Hybrid
Gdansk, Poland
🏢 Summary: Junior Java Developer role focused on building and maintaining mission-critical systems supporting global data center operations, including construction, rack design, and logistics platforms. The position involves full lifecycle development in a hybrid work model, collaborating with engineers and client stakeholders to deliver scalable, high-performance solutions. Ideal for candidates with early-career Java experience seeking growth in cloud infrastructure projects. 🗂️ Requirements: 1+ years of software development experience, 1+ years of hands-on Java development, Experience with Java, JUnit, Mockito, SQL, Experience in full system implementation lifecycle, English proficiency for client-facing communication, Ability to work independently and manage tasks effectively 📃 Skills: Java, JUnit, Mockito, SQL 🏢 Description: We are seeking a talented Junior Java Developer to join our dynamic engineering team working on mission-critical systems for data center operations. You'll contribute to developing and maintaining sophisticated platforms that support data center construction, rack design, hardware demand planning, logistics coordination, and maintenance operations. Our client is a leading technology company in the cloud infrastructure and data center services domain, operating on a global scale to deliver reliable, high-performance computing solutions. This role offers a hybrid model, with 3 days per week working from the client's office in Kraków, Wroclaw or Gdansk, Poland. Ready to launch your career in cloud engineering? Apply now and join our global team! Responsibilities Develop new features and enhance the existing codebase for improved readability and efficiency Learn project domain knowledge and master relevant technologies while actively contributing to application development and maintenance Engage in direct daily communication with client stakeholders and technical teams Collaborate with world-class engineers and architects to build scalable, high-performance platforms Participate in the full software development lifecycle from analysis and design through implementation, testing, and support Work autonomously within a modern, self-governing engineering team environment Deliver high-quality solutions on time while maintaining EPAM's standards of excellence Requirements 1+ years of experience in software development and integration through the complete system implementation lifecycle 1+ years of hands-on Java development experience Excellent English communication skills with proven experience in client-facing interactions Strong self-management and task prioritization abilities Experience with Java, JUnit, Mockito, and SQL Self-starter mindset with the ability to work independently and take ownership 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.