Java Backend Engineer

🏢 Summary: Java Backend Engineer role focused on building AI-driven digital products for employees and HR stakeholders. The position covers end-to-end microservice development, testing, deployment, observability, production support, and secure, ethical AI delivery in an agile environment. 🗂️ Requirements: Strong Java and Spring Boot experience, Experience building microservices, Spring Batch and Spring Cloud experience, REST API and GraphQL schema design proficiency, NoSQL data modelling experience, Data streaming experience, OAuth 2.0 and Microsoft Entra ID authentication/authorization experience, Azure Cloud Services experience, English communication skills for cross-functional agile collaboration, Commitment to quality, maintainability, documentation, and continuous learning 📃 Skills: Java, SpringBoot, SpringBatch, SpringCloud, Microservices, REST, GraphQL, NoSQL, CosmosDB, Kafka, OAuth2, EntraID, Azure, AppServices, AzureMonitor, APIManagement, Observability 🏢 Description: Role Summary We are looking for a Java Backend Engineer to design, develop, and continuously improve intelligent digital products and services that support employees and HR stakeholders, with AI at the core. Required Skills & Experience Strong experience in Java and Spring Boot, including Spring Batch and Spring Cloud, and building microservices. Proficiency in REST API and GraphQL schema design. Experience with NoSQL data modelling (e.g., Azure Cosmos DB), data streaming (e.g., Confluent Kafka), and authentication/authorization protocols including OAuth 2.0 and Microsoft Entra ID. Familiarity with Azure Cloud Services, including App Services, Azure Monitor, and API-Management. Collaborative communication skills: able to express ideas clearly in English and adapt technical content for diverse audiences while working closely with product managers, designers, and engineers in agile settings. Strong commitment to quality, maintainability, documentation, and continuous learning. Key Responsibilities Design, develop, and continuously improve intelligent digital products and services that support employees and HR stakeholders, with AI at the core. Apply modern engineering practices, from analyzing user needs and developing new features to automated testing, deployment, and observability. Ensure quality, security, reliability, and compliance by applying digital principles and implementing functional and non-functional requirements. Build observability into solutions, monitor production health, help resolve incidents, and remediate root causes of risks and issues. Advocate for user and stakeholder needs, ensuring AI solutions are explainable, ethical, and human-centric. Share knowledge openly, contribute to hiring and onboarding, and help shape a collaborative, forward-thinking engineering culture.

🏢 Summary: Senior Java Engineer role building cloud-native backend services for life sciences organizations analysing potential adverse drug effects. The position combines hands-on Java development, technical ownership, distributed-system design, AWS operations, and collaboration with international cross-functional teams. 🗂️ Requirements: 4–7 years of Java backend development experience, Strong Spring and Spring Boot knowledge, Production AWS experience, Microservices architecture knowledge, SQL and relational database experience, Tomcat or similar application server familiarity, Independent technical decision-making and system design contribution, Good communication skills 📃 Skills: Java, Spring, SpringBoot, AWS, Microservices, SQL, Tomcat, Databases 🏢 Description: We are looking for a Senior Java Engineer to join our team building a cloud-native platform used by global Life Sciences organisations. You will work on backend services supporting pharmaceutical companies in analysing potential adverse drug effects. This role offers a mix of technical ownership, system design, and hands-on development in a highly collaborative, international environment. Your responsibilities: - Design, develop, and maintain backend services built with Java, Spring, Spring Boot, and AWS. - Contribute to architectural decisions and system-level discussions. - Ensure stability, scalability, and performance of distributed services. - Write clean, maintainable code and participate in code reviews. - Collaborate with cross-functional teams to translate requirements into technical solutions. - Support deployment automation and production operations. - Troubleshoot complex technical issues and propose improvements. Our requirements: - Minimum 4–7 years of experience in backend development with Java. - Strong knowledge of Spring and Spring Boot. - Experience with AWS in production environments. - Solid understanding of microservices architecture. - Hands-on experience with SQL and relational databases. - Familiarity with Tomcat or similar application servers. - Ability to work independently, make informed technical decisions, and contribute to system design. - Good communication skills. Nice to Have: - Familiarity with Kafka or other event-driven systems. - Ability to assist occasionally with small tasks in React. - Experience working on projects in healthcare or Life Sciences. What we offer: - Fully remote work with flexible arrangements tailored to your needs. - Benefits like a multisport pass and private healthcare to support your well-being. - Training budget and support for certifications. - Opportunities to work on international projects that expand your expertise. - Clear career growth paths with fast-track promotion opportunities.

🏢 Summary: Backend Engineer role focused on building AI-centric digital products for employees and HR stakeholders. The position involves Java/Spring Boot microservices development, API and cloud integration, production observability, and maintaining secure, reliable solutions in a hybrid Kraków or Wrocław work model. 🗂️ Requirements: Strong Java and Spring Boot experience, Spring Batch and Spring Cloud experience, Microservices development experience, REST API and GraphQL schema design proficiency, NoSQL data modelling experience, Data streaming experience, OAuth 2.0 and Microsoft Entra ID knowledge, Azure Cloud Services familiarity, English communication skills, Agile collaboration experience, Commitment to quality, maintainability and documentation 📃 Skills: Java, SpringBoot, SpringBatch, SpringCloud, Microservices, REST, GraphQL, NoSQL, CosmosDB, Kafka, OAuth2, EntraID, Azure, AppServices, AzureMonitor, APIManagement, Observability, Testing 🏢 Description: Role Summary We are looking for a Backend Engineer to design, develop, and continuously improve intelligent digital products and services that support employees and HR stakeholders, with AI at the core. Work Mode Hybrid (2–3 days/week) — Kraków or Wrocław office Primary Skills Java, Spring Boot, microservices, REST APIs Key Responsibilities • Design, develop, and continuously improve intelligent digital products and services that support employees and HR stakeholders, with AI at the core. • Apply modern engineering practices, from analyzing user needs and developing new features to automated testing, deployment, and observability. • Ensure quality, security, reliability, and compliance by applying digital principles and implementing functional and non-functional requirements. • Build observability into solutions, monitor production health, help resolve incidents, and remediate root causes of risks and issues. • Advocate for user and stakeholder needs, ensuring AI solutions are explainable, ethical, and human-centric. • Share knowledge openly, contribute to hiring and onboarding, and help shape a collaborative, forward-thinking engineering culture. Required Skills and Experience • Strong experience in Java and Spring Boot, including Spring Batch and Spring Cloud, and building microservices. • Proficiency in REST API and GraphQL schema design. • Experience with NoSQL data modelling, such as Azure Cosmos DB; data streaming, such as Confluent Kafka; and authentication/authorization protocols, including OAuth 2.0 and Microsoft Entra ID. • Familiarity with Azure Cloud Services, including App Services, Azure Monitor, and API Management. • Collaborative communication skills: able to express ideas clearly in English and adapt technical content for diverse audiences while working closely with product managers, designers, and engineers in agile settings. • Strong commitment to quality, maintainability, documentation, and continuous learning. • AI-related skills, such as Spring AI or LangChain, are a strong plus. Benefits • Stable long-term cooperation with opportunity for extension. • Opportunity to work with modern technologies in an international environment. • Professional growth and continuous development opportunities. • Participation in challenging and impactful projects.

🏢 Summary: Senior Java Backend Developer role building scalable, secure microservices and REST APIs for a high-traffic PropTech mobile platform. The position involves backend design, database optimization, third-party integrations, production support, and collaboration in an Agile team aligned with North American working hours. 🗂️ Requirements: 5+ years of software development experience, Java and Spring Boot experience, REST API design and microservices architecture, Relational database experience, JPA/Hibernate experience, Git collaboration workflows, Unit and integration testing, Agile/Scrum experience, Availability 3:00 PM–11:00 PM Polish time, English proficiency at B2 or higher 📃 Skills: Java, SpringBoot, REST, Microservices, PostgreSQL, MySQL, SQLServer, JPA, Hibernate, Git, Agile, Scrum 🏢 Description: EPAM is seeking a skilled Senior Java Backend Developer who is passionate about building scalable, high-performance backend services and enjoys working on products used daily by thousands of professionals. You will join a collaborative, agile team developing and enhancing a flagship mobile platform and supporting backend services for a leading global property data and analytics company operating in the real estate technology (PropTech) domain. The client delivers data-driven solutions that power the real estate industry across North America, providing critical tools and insights to agents, brokers, and MLS organisations. Responsibilities Design, develop, and maintain scalable backend services using Java and Spring Boot Build and enhance RESTful APIs supporting mobile and web applications Develop secure, reliable, and high-performance microservices Design and optimize database models and data access layers Integrate with third-party platforms and external APIs Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects to deliver high-quality solutions Participate in system design, code reviews, technical discussions, and architectural decisions Troubleshoot production issues and improve application performance, scalability, and reliability Write clean, maintainable, and well-tested code following engineering best practices Contribute to continuous improvement initiatives, including CI/CD, automation, and AI-assisted software development practices Requirements 5+ years of professional software development experience Strong experience with Java and Spring Boot Solid understanding of REST API design and microservices architecture Experience with relational databases such as PostgreSQL, MySQL, or SQL Server Experience with JPA/Hibernate or similar persistence frameworks Knowledge of modern software engineering principles, design patterns, and clean code practices Experience with Git and collaborative development workflows Familiarity with unit and integration testing frameworks Strong analytical, problem-solving, and communication skills Ability to work effectively in an Agile/Scrum environment Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team English proficiency at B2 level or higher Nice to have Experience with cloud platforms (AWS or GCP) Experience with Docker and Kubernetes Knowledge of messaging technologies such as Kafka or RabbitMQ Experience with OAuth2, SSO, JWT, or other authentication mechanisms Familiarity with AI-assisted development tools such as GitHub Copilot or Gemini Experience working with high-traffic, customer-facing SaaS or mobile backend platforms Experience integrating with third-party APIs and enterprise systems Background or interest in the real estate / PropTech domain We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Senior Java Backend Developer role focused on building scalable, secure backend services and REST APIs for a high-traffic PropTech mobile platform. The position involves Java/Spring Boot microservices, database optimization, third-party integrations, and close collaboration in an Agile team. 🗂️ Requirements: 5+ years of professional software development experience, Java and Spring Boot experience, REST API design and microservices architecture knowledge, Relational database experience, JPA/Hibernate or similar persistence framework experience, Git and collaborative development workflow experience, Unit and integration testing familiarity, Agile/Scrum environment experience, Availability for 3:00 PM–11:00 PM Polish time, English proficiency at B2 level or higher 📃 Skills: Java, SpringBoot, REST, Microservices, PostgreSQL, MySQL, SQLServer, JPA, Hibernate, Git, Testing, Agile, Scrum 🏢 Description: EPAM is seeking a skilled Senior Java Backend Developer who is passionate about building scalable, high-performance backend services and enjoys working on products used daily by thousands of professionals. You will join a collaborative, agile team developing and enhancing a flagship mobile platform and supporting backend services for a leading global property data and analytics company operating in the real estate technology (PropTech) domain. The client delivers data-driven solutions that power the real estate industry across North America, providing critical tools and insights to agents, brokers, and MLS organisations. Responsibilities Design, develop, and maintain scalable backend services using Java and Spring Boot Build and enhance RESTful APIs supporting mobile and web applications Develop secure, reliable, and high-performance microservices Design and optimize database models and data access layers Integrate with third-party platforms and external APIs Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects to deliver high-quality solutions Participate in system design, code reviews, technical discussions, and architectural decisions Troubleshoot production issues and improve application performance, scalability, and reliability Write clean, maintainable, and well-tested code following engineering best practices Contribute to continuous improvement initiatives, including CI/CD, automation, and AI-assisted software development practices Requirements 5+ years of professional software development experience Strong experience with Java and Spring Boot Solid understanding of REST API design and microservices architecture Experience with relational databases such as PostgreSQL, MySQL, or SQL Server Experience with JPA/Hibernate or similar persistence frameworks Knowledge of modern software engineering principles, design patterns, and clean code practices Experience with Git and collaborative development workflows Familiarity with unit and integration testing frameworks Strong analytical, problem-solving, and communication skills Ability to work effectively in an Agile/Scrum environment Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team English proficiency at B2 level or higher Nice to have Experience with cloud platforms (AWS or GCP) Experience with Docker and Kubernetes Knowledge of messaging technologies such as Kafka or RabbitMQ Experience with OAuth2, SSO, JWT, or other authentication mechanisms Familiarity with AI-assisted development tools such as GitHub Copilot or Gemini Experience working with high-traffic, customer-facing SaaS or mobile backend platforms Experience integrating with third-party APIs and enterprise systems Background or interest in the real estate / PropTech domain We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Senior Java Backend Developer role focused on building scalable, secure microservices and REST APIs for a high-traffic real estate data platform. The position works in an Agile team supporting mobile and web products, with shifted hours aligned to a North American team. 🗂️ Requirements: 5+ years of professional software development experience, Java, Spring Boot, REST API design, Microservices architecture, Relational database experience, JPA/Hibernate or similar persistence framework, Git collaborative workflows, Unit and integration testing, Agile/Scrum experience, Availability 3:00 PM–11:00 PM Polish time, English B2 or higher 📃 Skills: Java, Spring, SpringBoot, REST, Microservices, PostgreSQL, MySQL, SQLServer, JPA, Hibernate, Git, Agile, Scrum, Testing 🏢 Description: EPAM is seeking a skilled Senior Java Backend Developer who is passionate about building scalable, high-performance backend services and enjoys working on products used daily by thousands of professionals. You will join a collaborative, agile team developing and enhancing a flagship mobile platform and supporting backend services for a leading global property data and analytics company operating in the real estate technology (PropTech) domain. The client delivers data-driven solutions that power the real estate industry across North America, providing critical tools and insights to agents, brokers, and MLS organisations. Responsibilities Design, develop, and maintain scalable backend services using Java and Spring Boot Build and enhance RESTful APIs supporting mobile and web applications Develop secure, reliable, and high-performance microservices Design and optimize database models and data access layers Integrate with third-party platforms and external APIs Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects to deliver high-quality solutions Participate in system design, code reviews, technical discussions, and architectural decisions Troubleshoot production issues and improve application performance, scalability, and reliability Write clean, maintainable, and well-tested code following engineering best practices Contribute to continuous improvement initiatives, including CI/CD, automation, and AI-assisted software development practices Requirements 5+ years of professional software development experience Strong experience with Java and Spring Boot Solid understanding of REST API design and microservices architecture Experience with relational databases such as PostgreSQL, MySQL, or SQL Server Experience with JPA/Hibernate or similar persistence frameworks Knowledge of modern software engineering principles, design patterns, and clean code practices Experience with Git and collaborative development workflows Familiarity with unit and integration testing frameworks Strong analytical, problem-solving, and communication skills Ability to work effectively in an Agile/Scrum environment Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team English proficiency at B2 level or higher Nice to have Experience with cloud platforms (AWS or GCP) Experience with Docker and Kubernetes Knowledge of messaging technologies such as Kafka or RabbitMQ Experience with OAuth2, SSO, JWT, or other authentication mechanisms Familiarity with AI-assisted development tools such as GitHub Copilot or Gemini Experience working with high-traffic, customer-facing SaaS or mobile backend platforms Experience integrating with third-party APIs and enterprise systems Background or interest in the real estate / PropTech domain We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Senior Java Backend Developer role focused on building scalable, secure backend services and REST APIs for a high-traffic PropTech mobile platform. The position involves microservices development, database optimization, third-party integrations, and collaboration in an Agile team supporting North American users. 🗂️ Requirements: 5+ years of professional software development experience, Strong Java and Spring Boot experience, REST API design and microservices architecture knowledge, Relational database experience, JPA/Hibernate or similar persistence framework experience, Git and collaborative development workflow experience, Unit and integration testing familiarity, Agile/Scrum environment experience, Availability for 3:00 PM–11:00 PM Polish time, English proficiency at B2 level or higher 📃 Skills: Java, SpringBoot, REST, Microservices, PostgreSQL, MySQL, SQLServer, JPA, Hibernate, Git, Agile, Scrum 🏢 Description: EPAM is seeking a skilled Senior Java Backend Developer who is passionate about building scalable, high-performance backend services and enjoys working on products used daily by thousands of professionals. You will join a collaborative, agile team developing and enhancing a flagship mobile platform and supporting backend services for a leading global property data and analytics company operating in the real estate technology (PropTech) domain. The client delivers data-driven solutions that power the real estate industry across North America, providing critical tools and insights to agents, brokers, and MLS organisations. Responsibilities Design, develop, and maintain scalable backend services using Java and Spring Boot Build and enhance RESTful APIs supporting mobile and web applications Develop secure, reliable, and high-performance microservices Design and optimize database models and data access layers Integrate with third-party platforms and external APIs Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects to deliver high-quality solutions Participate in system design, code reviews, technical discussions, and architectural decisions Troubleshoot production issues and improve application performance, scalability, and reliability Write clean, maintainable, and well-tested code following engineering best practices Contribute to continuous improvement initiatives, including CI/CD, automation, and AI-assisted software development practices Requirements 5+ years of professional software development experience Strong experience with Java and Spring Boot Solid understanding of REST API design and microservices architecture Experience with relational databases such as PostgreSQL, MySQL, or SQL Server Experience with JPA/Hibernate or similar persistence frameworks Knowledge of modern software engineering principles, design patterns, and clean code practices Experience with Git and collaborative development workflows Familiarity with unit and integration testing frameworks Strong analytical, problem-solving, and communication skills Ability to work effectively in an Agile/Scrum environment Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team English proficiency at B2 level or higher Nice to have Experience with cloud platforms (AWS or GCP) Experience with Docker and Kubernetes Knowledge of messaging technologies such as Kafka or RabbitMQ Experience with OAuth2, SSO, JWT, or other authentication mechanisms Familiarity with AI-assisted development tools such as GitHub Copilot or Gemini Experience working with high-traffic, customer-facing SaaS or mobile backend platforms Experience integrating with third-party APIs and enterprise systems Background or interest in the real estate / PropTech domain We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Senior Java Backend Developer role building scalable, secure backend services and REST APIs for a high-traffic PropTech mobile platform. The position involves microservices development, database optimization, third-party integrations, and close collaboration in an Agile team aligned with North American working hours. 🗂️ Requirements: 5+ years of professional software development experience, Java and Spring Boot experience, REST API design and microservices architecture knowledge, Relational database experience, JPA/Hibernate or similar persistence framework experience, Git and collaborative development workflow experience, Unit and integration testing familiarity, Agile/Scrum environment experience, Availability for 3:00 PM–11:00 PM Polish time, English proficiency at B2 level or higher 📃 Skills: Java, SpringBoot, REST, Microservices, PostgreSQL, MySQL, SQLServer, JPA, Hibernate, Git, Agile, Scrum 🏢 Description: EPAM is seeking a skilled Senior Java Backend Developer who is passionate about building scalable, high-performance backend services and enjoys working on products used daily by thousands of professionals. You will join a collaborative, agile team developing and enhancing a flagship mobile platform and supporting backend services for a leading global property data and analytics company operating in the real estate technology (PropTech) domain. The client delivers data-driven solutions that power the real estate industry across North America, providing critical tools and insights to agents, brokers, and MLS organisations. Responsibilities Design, develop, and maintain scalable backend services using Java and Spring Boot Build and enhance RESTful APIs supporting mobile and web applications Develop secure, reliable, and high-performance microservices Design and optimize database models and data access layers Integrate with third-party platforms and external APIs Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects to deliver high-quality solutions Participate in system design, code reviews, technical discussions, and architectural decisions Troubleshoot production issues and improve application performance, scalability, and reliability Write clean, maintainable, and well-tested code following engineering best practices Contribute to continuous improvement initiatives, including CI/CD, automation, and AI-assisted software development practices Requirements 5+ years of professional software development experience Strong experience with Java and Spring Boot Solid understanding of REST API design and microservices architecture Experience with relational databases such as PostgreSQL, MySQL, or SQL Server Experience with JPA/Hibernate or similar persistence frameworks Knowledge of modern software engineering principles, design patterns, and clean code practices Experience with Git and collaborative development workflows Familiarity with unit and integration testing frameworks Strong analytical, problem-solving, and communication skills Ability to work effectively in an Agile/Scrum environment Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team English proficiency at B2 level or higher Nice to have Experience with cloud platforms (AWS or GCP) Experience with Docker and Kubernetes Knowledge of messaging technologies such as Kafka or RabbitMQ Experience with OAuth2, SSO, JWT, or other authentication mechanisms Familiarity with AI-assisted development tools such as GitHub Copilot or Gemini Experience working with high-traffic, customer-facing SaaS or mobile backend platforms Experience integrating with third-party APIs and enterprise systems Background or interest in the real estate / PropTech domain We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Senior Java Backend Developer role building scalable, secure microservices and REST APIs for a high-traffic PropTech mobile platform. The offer includes collaboration with a North American team, production support, system design, and CI/CD improvement in an Agile environment. 🗂️ Requirements: 5+ years of professional software development experience, Java and Spring Boot experience, REST API design and microservices architecture knowledge, Relational database experience, JPA/Hibernate or similar persistence framework experience, Git and collaborative development workflow experience, Unit and integration testing framework familiarity, Agile/Scrum work experience, Availability for 3:00 PM–11:00 PM Polish time, English proficiency at B2 level or higher 📃 Skills: Java, SpringBoot, REST, Microservices, PostgreSQL, MySQL, SQLServer, JPA, Hibernate, Git, Testing, Agile, Scrum 🏢 Description: EPAM is seeking a skilled Senior Java Backend Developer who is passionate about building scalable, high-performance backend services and enjoys working on products used daily by thousands of professionals. You will join a collaborative, agile team developing and enhancing a flagship mobile platform and supporting backend services for a leading global property data and analytics company operating in the real estate technology (PropTech) domain. The client delivers data-driven solutions that power the real estate industry across North America, providing critical tools and insights to agents, brokers, and MLS organisations. Responsibilities Design, develop, and maintain scalable backend services using Java and Spring Boot Build and enhance RESTful APIs supporting mobile and web applications Develop secure, reliable, and high-performance microservices Design and optimize database models and data access layers Integrate with third-party platforms and external APIs Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects to deliver high-quality solutions Participate in system design, code reviews, technical discussions, and architectural decisions Troubleshoot production issues and improve application performance, scalability, and reliability Write clean, maintainable, and well-tested code following engineering best practices Contribute to continuous improvement initiatives, including CI/CD, automation, and AI-assisted software development practices Requirements 5+ years of professional software development experience Strong experience with Java and Spring Boot Solid understanding of REST API design and microservices architecture Experience with relational databases such as PostgreSQL, MySQL, or SQL Server Experience with JPA/Hibernate or similar persistence frameworks Knowledge of modern software engineering principles, design patterns, and clean code practices Experience with Git and collaborative development workflows Familiarity with unit and integration testing frameworks Strong analytical, problem-solving, and communication skills Ability to work effectively in an Agile/Scrum environment Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team English proficiency at B2 level or higher Nice to have Experience with cloud platforms (AWS or GCP) Experience with Docker and Kubernetes Knowledge of messaging technologies such as Kafka or RabbitMQ Experience with OAuth2, SSO, JWT, or other authentication mechanisms Familiarity with AI-assisted development tools such as GitHub Copilot or Gemini Experience working with high-traffic, customer-facing SaaS or mobile backend platforms Experience integrating with third-party APIs and enterprise systems Background or interest in the real estate / PropTech domain We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Senior Java Backend Developer role focused on building scalable, secure microservices and REST APIs for a high-traffic real estate data mobile platform. The position involves backend development, database optimization, third-party integrations, production support, and technical collaboration in an Agile team. 🗂️ Requirements: 5+ years of software development experience, Java, Spring Boot, REST API design, Microservices architecture, Relational databases, JPA/Hibernate, Software engineering principles and design patterns, Git, Unit and integration testing, Agile/Scrum, Availability 3:00 PM–11:00 PM Polish time, English B2 or higher 📃 Skills: Java, Spring, REST, Microservices, PostgreSQL, MySQL, SQLServer, JPA, Hibernate, Git, Agile, Scrum, AWS, GCP, Docker, Kubernetes, Kafka, RabbitMQ, OAuth2, SSO, JWT, Copilot, Gemini 🏢 Description: EPAM is seeking a skilled Senior Java Backend Developer who is passionate about building scalable, high-performance backend services and enjoys working on products used daily by thousands of professionals. You will join a collaborative, agile team developing and enhancing a flagship mobile platform and supporting backend services for a leading global property data and analytics company operating in the real estate technology (PropTech) domain. The client delivers data-driven solutions that power the real estate industry across North America, providing critical tools and insights to agents, brokers, and MLS organisations. Responsibilities Design, develop, and maintain scalable backend services using Java and Spring Boot Build and enhance RESTful APIs supporting mobile and web applications Develop secure, reliable, and high-performance microservices Design and optimize database models and data access layers Integrate with third-party platforms and external APIs Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects to deliver high-quality solutions Participate in system design, code reviews, technical discussions, and architectural decisions Troubleshoot production issues and improve application performance, scalability, and reliability Write clean, maintainable, and well-tested code following engineering best practices Contribute to continuous improvement initiatives, including CI/CD, automation, and AI-assisted software development practices Requirements 5+ years of professional software development experience Strong experience with Java and Spring Boot Solid understanding of REST API design and microservices architecture Experience with relational databases such as PostgreSQL, MySQL, or SQL Server Experience with JPA/Hibernate or similar persistence frameworks Knowledge of modern software engineering principles, design patterns, and clean code practices Experience with Git and collaborative development workflows Familiarity with unit and integration testing frameworks Strong analytical, problem-solving, and communication skills Ability to work effectively in an Agile/Scrum environment Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team English proficiency at B2 level or higher Nice to have Experience with cloud platforms (AWS or GCP) Experience with Docker and Kubernetes Knowledge of messaging technologies such as Kafka or RabbitMQ Experience with OAuth2, SSO, JWT, or other authentication mechanisms Familiarity with AI-assisted development tools such as GitHub Copilot or Gemini Experience working with high-traffic, customer-facing SaaS or mobile backend platforms Experience integrating with third-party APIs and enterprise systems Background or interest in the real estate / PropTech domain We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.