Senior Java Developer with AWS expertise

🏢 Summary: Java Developer role focused on modernizing and improving resiliency of Cost Basis services within a high-volume, cloud-native architecture. The position involves implementing caching, migrating REST logic to GraphQL, and enhancing service stability in AWS environments. It combines backend development with API refactoring and cloud-based distributed systems work. 🗂️ Requirements: 3+ years Java backend development experience, Experience with AWS including ECS and ElastiCache, Experience with REST and GraphQL, API design and refactoring experience, Experience with test automation, Experience with JIRA and Confluence, English proficiency B2 or higher 📃 Skills: Java, AWS, ECS, ElastiCache, REST, GraphQL, JIRA, Confluence, Caching, Backend, CloudNative, Serverless, AI 🏢 Description: We are seeking a skilled Java Developer to join a transformative initiative enhancing resiliency and modernizing APIs for critical Cost Basis services. This role offers the chance to work with cutting-edge technology within a high-volume, distributed cloud-native architecture, contributing to stability improvements and technical excellence. This role offers a hybrid model, with 3 days per week working from the client's office in Krakow or Gdansk, Poland. Responsibilities Implement caching mechanisms for vendor calls within existing Cost Basis services Migrate business logic from REST APIs to a new GraphQL service Deliver stability improvements and reduce technical risks across services Collaborate with teams to ensure comprehensive product ownership from ideation to post-production Enable effective offshore teamwork through clear and precise communication Requirements 3+ years of experience in Java and backend service development Expertise in AWS technologies, including ECS and ElastiCache Skills in API design and refactoring, with experience in REST and GraphQL Familiarity with test automation and production support tools like JIRA and Confluence Capability to adopt agentic AI tools for technical analysis Strong communication abilities and teamwork skills English proficiency at B2 level or higher Nice to have Proficiency in monitoring and observability tools like Splunk and Honeycomb Background in organizational excellence and attention to detail Showcase of effective team collaboration and knowledge sharing Understanding of cloud-native, serverless architectures Flexibility to explain technical concepts clearly to stakeholders 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 in a large-scale banking cloud transformation initiative, focused on migrating critical applications to public cloud and building reusable platform solutions. The position involves engineering cloud-native solutions, supporting DevOps practices, and collaborating in agile, cross-location teams. Hybrid model with 3 days per week onsite. 🗂️ Requirements: Strong development experience in Java or similar language (C#, JavaScript, Python, Go), Experience with CI/CD tools (Maven, Gradle, Jenkins, TeamCity, GitLab), Hands-on experience with Docker, Kubernetes, Helm, Experience with Microsoft Azure or other major cloud platforms, Experience with Infrastructure-as-Code tools (Terraform, ARM, CloudFormation), Knowledge of scripting languages (PowerShell, Bash), Experience with GitHub or similar version control systems, Understanding of Agile methodologies (Scrum, Kanban), Knowledge of DevOps practices and automation, Availability to work onsite 3 days per week 📃 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 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 Software Engineer role focused on building complex, data-driven solutions for financial services within a data engineering initiative. The position involves designing and optimizing data sourcing, processing, and ingestion pipelines using modern cloud and big data technologies. You will work on mission-critical systems supporting portfolio management, investment operations, and regulatory platforms. 🗂️ Requirements: Bachelor’s degree in Computer Science or relevant certification, Proficiency in Java, Proficiency in Spark, Proficiency in Python, Experience with data streaming and real-time and batch processing, Experience with CI/CD pipelines (ADO, GitHub or GitLab), Experience with TDD, Experience with cloud architecture (Azure, AWS or GCP), Experience with Hibernate and relational databases, Knowledge of software design principles 📃 Skills: Java, Spark, Python, AWS, Azure, GCP, Databricks, Kubernetes, Hibernate, SQL, GitHub, GitLab, ADO, CI/CD, TDD 🏢 Description: We are looking for a Senior Java Software Engineer to join our team working on complex, data-driven solutions for the financial services domain. The role is part of a data engineering initiative focused on data sourcing, processing, and ingestion for mission-critical applications. You will contribute to projects supporting Portfolio Management, Investment Operations, Regulatory Reporting, ETF platforms, Data and Workflow Management, as well as systems used for Investment Strategy and Research. This is an excellent opportunity to work with modern cloud technologies and large-scale data platforms in a highly impactful environment. 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 Design, develop, and maintain high-performance Java-based applications for data engineering solutions Build and optimize data sourcing, transformation, and ingestion pipelines Develop and integrate services using AWS cloud services Implement robust persistence layers using Hibernate and relational databases Collaborate with data engineers, analysts, and business stakeholders to deliver scalable solutions Ensure high code quality through best practices, code reviews, and automated testing Troubleshoot, debug, and optimize performance of existing systems Contribute to architectural decisions and technical design discussions Requirements Bachelor’s degree in Computer Science or relevant certification Working with modern technologies such as data streaming, real-time and batch processing; experience with Databricks and Kubernetes is advantageous Proficiency with Java, Spark and Python Significant experience with DevOps CI/CD pipelines and concepts - ADO, GitHub or Gitlab Significant experience using TDD Well versed in Cloud architecture and have delivered to one or more; Azure (preferred), AWS or GCP Experience of software design principles Worked with modern tech – data streaming, real-time & batch processing Databricks and Kubernetes 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 Software Engineer role focused on building and modernizing strategic backend platforms that connect operational and regulatory systems, supporting a multiyear cloud migration roadmap. The position involves designing scalable, data-driven solutions in Java within an Agile team, leveraging cloud and DevOps practices. The role follows a hybrid model with 3 days per week onsite in Wroclaw or Krakow. 🗂️ Requirements: Bachelor’s degree in Computer Science or relevant certification, Strong back-end development experience in Java, Experience with DevOps CI/CD pipelines, Hands-on experience with Azure DevOps, GitHub, or GitLab, Practical experience with Test-Driven Development (TDD), Experience delivering solutions on Azure, AWS, or GCP, Solid understanding of cloud architecture, Knowledge of software design principles, Experience with data streaming and real-time or batch processing 📃 Skills: Java, Azure, AWS, GCP, CI/CD, AzureDevOps, GitHub, GitLab, TDD, Databricks, Kubernetes, DataStreaming, BatchProcessing, Cloud, DevOps 🏢 Description: We are looking for a Senior Software Engineer to join an agile team focused on developing strategic technology solutions that connect operations and regulatory systems. Our work plays a crucial role in enabling the client to meet regulatory obligations and unlock value from its wealth of data. The project is part of a multiyear roadmap to migrate to cloud technology and enhance existing platforms. You’ll work in a small, autonomous Agile team with colleagues across global locations, in an inclusive and collaborative environment. If you are passionate about innovation and continuous learning, we want to hear from you. This role offers a hybrid model, with 3 days per week working from the client's office in Wroclaw or Krakow. Responsibilities Design and develop strategic platform features that enable seamless trade execution flows between core systems, transforming epics and features into robust solutions Collaborate closely with agile team members during sprints to iteratively deliver product requirements Work with the product team to understand, refine, and implement required functionality Engineer solutions that leverage cloud technologies as part of a multiyear migration and modernization roadmap Develop and optimize data-driven applications, ensuring the client can unlock value from its wealth of data Utilize Java and related technologies to build scalable, high-performance backend services Requirements Bachelor’s degree in Computer Science or a relevant certification Strong back-end development experience in Java Proven experience with DevOps CI/CD pipelines and tools such as Azure DevOps, GitHub, or GitLab Solid understanding and hands-on experience with Test-Driven Development (TDD) Well-versed in cloud architecture, with delivery experience on Azure (preferred), AWS, or GCP Strong grasp of software design principles Experience working with modern technologies such as data streaming, real-time and batch processing; familiarity with Databricks and Kubernetes is a plus 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 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: 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.

🏢 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.

🏢 Summary: Junior Java Developer role focused on building and maintaining mission-critical platforms supporting global data center operations. The position involves full software development lifecycle participation, close collaboration with stakeholders, and development of scalable, high-performance systems. Hybrid work model with opportunities for professional growth and cloud certification. 🗂️ Requirements: 1+ year experience in software development across full implementation lifecycle, 1+ year hands-on Java development experience, Experience with Java, JUnit, Mockito, SQL, Ability to participate in full software development lifecycle, Strong English communication skills for client-facing interactions, Ability to work independently and manage priorities 📃 Skills: Java, JUnit, Mockito, SQL, SDLC 🏢 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.