Java Developer/Developerka

🏢 Summary: Senior Java Developer role on a strategic international Big Data integration platform in logistics. The position focuses on modernizing legacy systems and building scalable, event-driven backend services with Java, Spring Boot, and Kafka in a hybrid work model. 🗂️ Requirements: 10+ years of software development experience, Java 17+ expertise, Spring Boot expertise, Strong Kafka knowledge, Kafka Streams experience, Microservices experience, Event-driven architecture experience, Integration, REST API, and messaging systems knowledge, Relational database experience, Kubernetes and basic DevOps knowledge, Fluent English 📃 Skills: Java, Spring, Kafka, Microservices, Kubernetes, PostgreSQL, MSSQL, Oracle, Git 🏢 Description: Senior Java Developer (Kafka) 💰 150-200 PLN/h net + VAT 📝 B2B/UoP 📍 Warsaw | Hybrid model: 1 day per week from the office Join an international organization delivering a large-scale Big Data integration platform connecting systems across multiple countries within the logistics industry. This is a strategic migration and modernization initiative focused on building scalable, event-driven solutions that support critical business operations. Your role As a Senior Java Developer, you will be responsible for designing and developing backend services and integrations for a complex enterprise ecosystem. You will help modernize legacy applications, drive technical decisions, and build robust event-streaming solutions used across international markets. Must-have skills 10+ years of experience in software development Strong expertise in Java 17+ and Spring Boot Very strong Kafka knowledge (must-have) Hands-on experience with Kafka Streams Experience building microservices and event-driven architectures Strong understanding of integrations, REST APIs, and messaging systems Experience with relational databases (PostgreSQL, MS SQL, Oracle) Kubernetes and basic DevOps knowledge Fluent English Nice to have: Confluent Kafka experience Confluent Kafka Developer certification What you'll do Design, develop, and maintain scalable backend services and integrations Build event-driven solutions connecting multiple enterprise systems Work on large-scale Big Data and data-platform initiatives Modernize legacy applications and migrate them to modern architectures Define technical solutions and contribute to architectural decisions Collaborate with product, business, and engineering teams Mentor less experienced developers and promote best practices Support production environments and ensure solution reliability What we offer Long-term cooperation on a strategic international program Competitive rate up to 200 PLN/h B2B or employment contract Hybrid work model (1 office day per week) LuxMed and Multisport Opportunity to work with modern technologies including Java, Kafka, Kafka Streams, Kubernetes, and cloud-native architectures Real impact on the development of a global integration platform Technology stack: Java 17+, Spring Boot, Kafka, Kafka Streams, REST API, Microservices, Kubernetes, PostgreSQL/MS SQL/Oracle, Git. Co zyskasz dzięki aplikacji na ofertę Antal? Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział. Kim jesteśmy? Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska. Sprawdź inne aktualne oferty pracy na: https://antal.pl/dla-kandydata Zaobserwuj nasz profil na LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Senior Java Developer role focused on building and modernizing secure, scalable backend platforms and microservices for investment management products. The position offers hands-on architectural ownership, production support responsibilities, and collaboration across Agile engineering and business teams in a hybrid Krakow model. 🗂️ Requirements: 6+ years of commercial Java enterprise application development, Java 17+ proficiency, Advanced Spring and Spring Boot experience, REST API and backend service development experience, Microservices architecture knowledge, Object-oriented design, clean code, and design patterns, SQL query analysis and optimization, Docker and Kubernetes production experience, Kafka or event-streaming platform familiarity, CI/CD and DevOps practices experience, Secure coding and application security knowledge, Security scanning or vulnerability detection tools experience, Logging, monitoring, metrics, and distributed tracing familiarity, Business-critical production support and troubleshooting experience, Cross-functional collaboration with architects, QA, DevOps, and business teams, Very good English communication skills 📃 Skills: Java, Spring, SpringBoot, REST, SQL, Docker, Kubernetes, Kafka, CI/CD, DevOps, Microservices, Agile 🏢 Description: We are hiring on behalf of our client – a global financial services organization recognized for its premium service, deep domain expertise, and strong technology-driven approach. The company partners with clients, helping them solve complex challenges across investor services and capital markets. Their culture is built on collaboration, knowledge sharing, and empowering individuals to contribute beyond their immediate role. As a Senior Java Developer , you will design and develop core backend platforms and scalable microservices. You will contribute to new product development and modernization initiatives, influence architectural decisions, and work closely with engineering and business stakeholders throughout the software development lifecycle. This is a senior, hands-on engineering role with strong ownership expectations. You will help shape technical solutions, improve engineering practices, and ensure that business-critical systems remain secure, reliable, maintainable, and ready to scale. Key takeaways: Stack: Java 17+, Spring, Spring Boot, REST APIs, SQL, Docker, Kubernetes, Kafka, CI/CD Salary: 27 000 - 30 000 PLN gross on the Contract of Employment Working model : Hybrid - 3 days/week from the office (2 days per week for parents of children up to 4 years old) Location: ul. Klimeckiego, Krakow Recruitment process : A call with MOTIFE Recruiter (30 min) Technical interview with the Manager (1h) Technical interview with the Team (1h) Responsibilities: Backend Development Design, develop, and maintain enterprise-grade applications using Java 17+, Spring, and Spring Boot. Build scalable microservices and REST APIs supporting investment management products. Apply object-oriented design, clean code principles, and established software design patterns. Develop solutions that meet demanding performance, reliability, security, and maintainability standards. Architecture and Technical Excellence Contribute to architectural decisions and translate business requirements into effective technical solutions. Drive technical improvements across existing platforms and modernization initiatives. Participate in code reviews and promote consistent engineering standards across the team. Ensure solutions follow secure coding principles and software development lifecycle best practices. Cross-Functional Collaboration Partner with architects, QA engineers, DevOps specialists, and business stakeholders throughout the development lifecycle. Work within a cross-functional Agile team delivering web, backend, and mobile platform capabilities. Communicate technical decisions, risks, and dependencies clearly to technical and non-technical stakeholders. Support knowledge sharing and mentor other engineers where required. Delivery and Production Ownership Troubleshoot and resolve complex technical and production issues. Improve logging, monitoring, metrics, and distributed tracing across services. Enhance CI/CD pipelines to streamline software delivery and deployment. Drive continuous improvements in development processes, engineering tooling, and operational reliability. Requirements: Technical Expertise At least 6 years of hands-on commercial experience developing enterprise applications in Java. Strong practical knowledge of Java 17 or newer. Advanced experience with Spring, Spring Boot, REST APIs, and backend service development. Strong understanding of microservices architecture, object-oriented design, clean code, and software design patterns. Solid SQL skills, including practical experience with query analysis and optimization. Production experience with Docker and Kubernetes. Familiarity with messaging or event-streaming platforms such as Kafka. Experience working with CI/CD pipelines and modern DevOps practices. Security and Production Engineering Understanding of secure coding principles and common application security risks. Experience using security scanning or vulnerability detection tools. Familiarity with application logging, metrics, monitoring, and distributed tracing. Experience troubleshooting and supporting business-critical production systems. Collaboration and Mindset Proven ability to take ownership of technical solutions from design through production support. Strong problem-solving skills and the ability to resolve complex engineering challenges. Ability to collaborate effectively with architects, QA, DevOps, and business teams. Very good English communication skills. What we offer: Private medical care Life insurance Professional training and certification support Social fund benefits platform Stable employment with a long-term contract Apply now Join a senior engineering team building secure and scalable platforms for the investment management industry. Please apply via our careers page and submit your CV in English.

🏢 Summary: Long-term opportunity to develop and modernize a large-scale Big Data integration platform for the logistics sector. The role focuses on scalable Java backend services, Kafka-based event streaming, microservices, and enterprise integrations, with remote-work availability and benefits. 🗂️ Requirements: 10+ years of software development experience, Java 17+ and Spring Boot expertise, Strong Kafka and Confluent Kafka experience, Kafka Confluent Developer certification, Kafka Streams experience, Microservices and event-driven architecture experience, REST API, integration and messaging systems experience, Relational database experience, Kubernetes and basic DevOps knowledge, Fluent English 📃 Skills: Java, SpringBoot, Kafka, Confluent, KafkaStreams, REST, Microservices, PostgreSQL, MSSQL, Oracle, Kubernetes, DevOps, Git 🏢 Description: Compensation: 160–220 PLN/h net + VAT Join an international organization delivering a large-scale Big Data integration platform connecting systems across multiple countries within the logistics industry. This strategic migration and modernization initiative focuses on building scalable, event-driven solutions that support critical business operations. Quick Facts • Long-term cooperation on a strategic international program • Possibility of fully remote work • LuxMed and Multisport • Work with Java, Kafka, Kafka Streams, Kubernetes, and cloud-native architectures • Real impact on the development of a global integration platform Description As a Senior Java Developer, you will design and develop backend services and integrations for a complex enterprise ecosystem. You will modernize legacy applications, drive technical decisions, and build robust event-streaming solutions used across international markets. Responsibilities • Design, develop, and maintain scalable backend services and integrations • Build event-driven solutions connecting multiple enterprise systems • Work on large-scale Big Data and data-platform initiatives • Modernize legacy applications and migrate them to modern architectures • Define technical solutions and contribute to architectural decisions • Collaborate with product, business, and engineering teams • Mentor less experienced developers and promote best practices • Support production environments and ensure solution reliability Requirements • 10+ years of experience in software development • Strong expertise in Java 17+ and Spring Boot • Very strong Kafka knowledge • Confluent Kafka experience • Kafka Confluent Developer certification • Hands-on experience with Kafka Streams • Experience building microservices and event-driven architectures • Strong understanding of integrations, REST APIs, and messaging systems • Experience with relational databases: PostgreSQL, MS SQL, or Oracle • Kubernetes and basic DevOps knowledge • Fluent English Technology Stack • Java 17+ • Spring Boot • Kafka • Kafka Streams • REST API • Microservices • Kubernetes • PostgreSQL / MS SQL / Oracle • Git

🏢 Summary: Oferta dotyczy pracy przy bankowym projekcie rozwoju i integracji systemów opartych na Apache Kafka. Rola obejmuje tworzenie usług backendowych w Java i Spring Boot, REST API, integracji oraz testów automatycznych i procesów CI/CD. 🗂️ Requirements: Minimum 5 lat doświadczenia, Bardzo dobra znajomość Java 17+, Doświadczenie ze Spring Boot, Praktyczna znajomość Apache Kafka, Doświadczenie w projektowaniu i tworzeniu REST API, Znajomość PostgreSQL, Doświadczenie w testach automatycznych, Doświadczenie z narzędziami CI/CD, Wykształcenie wyższe kierunkowe 📃 Skills: Java, Spring, Kafka, REST, PostgreSQL, JUnit, Mockito, Postman, Jenkins, GitLab 🏢 Description: Opis firmy Naszą misją jako firmy świadczącej usługi IT jest dostarczanie najlepszych rozwiązań naszym klientom na całym świecie. Osiągamy to poprzez analizowanie potrzeb naszych klientów i dopasowywanie ich do umiejętności i aspiracji naszych pracowników. Dlatego jedną z naszych głównych motywacji jest zapewnienie każdemu Pracownikowi i Konsultantowi satysfakcjonującego doświadczenia. Dołączenie do nas oznacza bycie częścią społeczności o różnorodnych osobowościach. Rozpocznij swoją przygodę z act digital! Opis stanowiska Dołączysz do projektu bankowego, którego celem jest rozwój i integracja systemów poprzez budowę komunikacji opartej o Apache Kafka. Rola obejmuje rozwój backendu oraz projektowanie rozwiązań integracyjnych pomiędzy systemami bankowymi. Projektowanie i rozwój usług backendowych w Java 17+ i Spring Boot. Budowa integracji pomiędzy systemami bankowymi oraz projektowanie i rozwój topiców Kafka. Tworzenie i rozwój REST API. Projektowanie i rozwój testów automatycznych (jednostkowych, integracyjnych, kontraktowych oraz API) oraz współpraca z procesami CI/CD. Wymagania 5 + lat doświadczenia. Bardzo dobra znajomość Java 17+. Doświadczenie z Spring Boot. Praktyczna znajomość Apache Kafka. Doświadczenie w projektowaniu i tworzeniu REST API. Znajomość PostgreSQL. Doświadczenie z testami automatycznymi (JUnit, Mockito, REST Assured, Postman/Newman). Doświadczenie z narzędziami CI/CD (Jenkins lub GitLab CI). Wykształcenie wyższe kierunkowe. Mile widziane Znajomość RabbitMQ. Doświadczenie z OpenShift. Znajomość Prometheus, Grafana. Doświadczenie z JMeter . Dodatkowe informacje Stawka: do 190 PLN/h net + vat Model pracy: Zdalnie (ze sporadycznymi wizytami w biurze w Warszawie, Poznaniu lub Wrocławiu) Kontrakt: B2B Oferujemy Dostęp do lokalnych i międzynarodowych projektów - Klienci z Francji, Niemiec, Portugalii, Wielkiej Brytanii i krajów Beneluksu. Wsparcie w rozwoju zawodowym - szkolenia, certyfikaty techniczne, udział w konferencjach, lektoraty języków obcych i szkolenia miękkie dofinansowane do 2 000 zł. Elastyczność - sam wybierasz formę współpracy: umowa o pracę lub umowa business-to-business. Premia za polecanie Kandydatów do 6 000zł. W pełni opłacona karta Medicover Karta Multisport. Regularne imprezy integracyjne i upominki. Program Mobilności. Długoterminową współpracę.

🏢 Summary: Długoterminowy projekt dla Senior Java Fullstack Developera obejmujący projektowanie, rozwój i modernizację skalowalnych aplikacji biznesowych. Rola łączy rozwój backendu w Java i Spring Boot z frontendem Angular oraz pracę z integracjami, konteneryzacją i procesami CI/CD. Oferta obejmuje roczny bonus w wysokości jednej pensji oraz podwyższone KUP. 🗂️ Requirements: Java 17–21, Spring Boot 3.x, Angular 16/17, TypeScript, Oracle SQL, Redis, REST/HTTP, SOAP, Apache Kafka, Docker, Kubernetes, Jenkins, GitLab CI/CD, Maven, Git, Secure Development i OWASP, Agile / Scrum / Kanban / DevOps, Samodzielne rozwiązywanie problemów technicznych, Komunikacja z zespołem i interesariuszami, Mentoring i dzielenie się wiedzą, Język angielski B2 📃 Skills: Java, Spring, Boot, Angular, TypeScript, Oracle, SQL, Redis, REST, HTTP, SOAP, Kafka, Docker, Kubernetes, Jenkins, GitLab, Maven, Git, OWASP, Webpack, IntelliJ, Jira, Confluence, Python, Node.js 🏢 Description: Senior Java Fullstack Developer – Java / Spring Boot / Angular Do długoterminowego projektu poszukujemy Senior Java Fullstack Developera , który dołączy do zespołu odpowiedzialnego za projektowanie, rozwój i modernizację aplikacji biznesowych. Szukamy osoby z bardzo dobrym doświadczeniem w Java 17–21, Spring Boot 3.x oraz Angular 16/17 , która swobodnie porusza się zarówno w obszarze backendu, jak i frontendu oraz ma doświadczenie w pracy z rozwiązaniami kontenerowymi i środowiskiem CI/CD. Zakres obowiązków Projektowanie i rozwój skalowalnych, bezpiecznych i łatwych w utrzymaniu aplikacji. Rozwój backendu w Java 17–21 / Spring Boot 3.x . Rozwój aplikacji frontendowych w Angular 16/17 i TypeScript . Analiza i doprecyzowywanie wymagań biznesowych oraz technicznych. Projektowanie rozwiązań i udział w podejmowaniu decyzji architektonicznych. Integracja systemów poprzez REST/HTTP, SOAP oraz Apache Kafka . Praca z bazami danych Oracle SQL oraz Redis . Optymalizacja istniejących systemów, refaktoryzacja oraz poprawa jakości kodu. Tworzenie i rozwój testów oraz dbanie o jakość i niezawodność oprogramowania. Wsparcie procesów deploymentu i wydań na różnych środowiskach. Praca z Dockerem i Kubernetesem . Rozwój i utrzymanie procesów CI/CD . Modernizacja istniejących i legacy rozwiązań. Code review, dzielenie się wiedzą i wsparcie mniej doświadczonych członków zespołu. Stosowanie zasad Secure Development oraz OWASP . Wymagania Bardzo dobra znajomość Java 17–21 . Praktyczne doświadczenie ze Spring Boot 3.x . Bardzo dobra znajomość Angular 16/17 oraz TypeScript . Doświadczenie z Oracle SQL i Redis . Praktyczna znajomość REST API / HTTP Services oraz SOAP Web Services . Doświadczenie z Apache Kafka . Znajomość Docker i Kubernetes . Doświadczenie z narzędziami Jenkins, GitLab CI/CD, Maven oraz Git . Znajomość zasad bezpiecznego programowania i OWASP . Doświadczenie w pracy w środowisku Agile / Scrum / Kanban / DevOps . Umiejętność analizy problemów technicznych i samodzielnego proponowania rozwiązań. Bardzo dobra komunikacja i umiejętność współpracy z zespołem oraz interesariuszami. Doświadczenie w mentoringu i dzieleniu się wiedzą. Język angielski minimum B2 . Stack technologiczny Java 17–21, Spring Boot 3.x, Angular 16/17, TypeScript, Oracle SQL, Redis, REST, SOAP, Apache Kafka, Docker, Kubernetes, Jenkins, GitLab CI/CD, Maven, Git, Webpack, IntelliJ IDEA, Visual Studio Code, Jira, Confluence Mile widziane Python Node.js Doświadczenie w modernizacji systemów legacy. Doświadczenie w projektowaniu architektury aplikacji i ocenie wykonalności rozwiązań technicznych. Praktyka w pracy przy dużych, złożonych systemach enterprise. Kompetencje Szukamy osoby, która łączy mocne kompetencje techniczne z analitycznym podejściem, samodzielnością, nastawieniem na rozwiązywanie problemów oraz dobrą współpracą zespołową . Ważna będzie również otwartość na zmiany, dzielenie się wiedzą oraz odpowiedzialność za jakość dostarczanych rozwiązań. Oferujemy roczny bonus w wysokości jednej pensji, podwyższone KUP.

🏢 Summary: Join a Data Transformation Technology team as a Java Developer building and enhancing distributed, business-critical process applications. The role combines backend development, architecture input, automation and CI/CD improvements, code reviews, and mentoring junior engineers in a hybrid Krakow-based setup. 🗂️ Requirements: 4+ years of backend or full-stack software engineering experience, Commercial experience with Java, Spring, SQL, Hibernate, and Kafka, System architecture and technical design experience, Relational database and web application framework knowledge, Enterprise integration experience: queues, publish-subscribe messaging, REST APIs, Microservices development or design experience, Automated testing, build automation, and CI/CD pipeline experience, Cloud-native technology experience with OpenShift, Docker, or Kubernetes, Agile software development experience, Ability to assess scalability, security, resilience, maintainability, and testability, Complex test and production issue troubleshooting, Professional working proficiency in English 📃 Skills: Java, Spring, SQL, Hibernate, Kafka, REST, OpenShift, Docker, Kubernetes, Angular, Microservices, CI/CD 🏢 Description: We are hiring on behalf of our client – a global financial services organization recognized for its premium service, deep domain expertise, and strong technology-driven approach. The company partners with clients, helping them solve complex challenges across investor services and capital markets. Their culture is built on collaboration, knowledge sharing, and empowering individuals to contribute beyond their immediate role. As a Java Developer , you will join the Data Transformation Technology team and help build a business process platform used by multiple teams across the organization. You will design, develop, and improve distributed applications that support business-critical workflows, combining hands-on backend engineering with contributions to system architecture, automation, and technical standards. You will also support junior engineers and help the team maintain a secure, resilient, and scalable technology environment. Key takeaways: Stack: Java, Spring, SQL, Hibernate, Kafka, REST APIs, OpenShift, Docker, Kubernetes, nice to have: Angular Salary: 20 000 - 24 000 PLN gross on the Contract of Employment Working model : Hybrid - 3 days/week from the office (2 days per week for parents of children up to 4 years old) Location: ul. Klimeckiego, Krakow Recruitment process : A call with MOTIFE Recruiter (30 min) Technical interview with the Manager (1h) Technical interview with the Team (1h) Responsibilities: Software Development Develop and maintain application code for business-critical distributed systems. Build automated tests that improve software quality, stability, and maintainability. Analyse and resolve issues identified in testing and production environments. Conduct code reviews and provide actionable feedback to other engineers. Architecture and Technical Excellence Contribute to architecture, system design, and technology selection discussions. Evaluate function, scalability, testability, security, and resilience together with testers and business users. Research technologies and recommend improvements to the department’s technology stack. Define and improve engineering standards, development practices, and technical documentation. Automation and Delivery Drive greater automation across development, testing, and deployment processes. Support the design and implementation of CI/CD pipelines. Ensure applications and engineering practices remain aligned with current industry standards. Collaboration and Team Development Communicate effectively with engineers, testers, business users, and stakeholders outside the immediate team. Translate business and operational needs into practical technical solutions. Mentor and provide technical guidance to junior team members. Support the recruitment and assessment of new engineering talent. Requirements: Technical Expertise 4+ years of professional software engineering experience in a backend or full-stack role. Strong commercial experience with Java, Spring, SQL, Hibernate, and Kafka. Proven contributions to system architecture and technical design. Strong understanding of relational databases and popular web application frameworks. Practical knowledge of enterprise integration patterns, including queues, publish-subscribe messaging, and REST APIs. Experience designing or developing applications based on microservice architecture. Experience with automated testing, build automation, and CI/CD pipelines. Familiarity with cloud-native technologies and OpenShift, Docker, or Kubernetes. Exposure to Angular or another reactive frontend framework is an advantage. Engineering Practices Experience working within Agile software development environments. Ability to assess systems in terms of scalability, security, resilience, maintainability, and testability. Confidence troubleshooting complex issues across test and production environments. Ability to contribute constructively to code reviews, architecture discussions, and engineering standards. Collaboration and Mindset Strong critical-thinking and problem-solving skills. Clear and effective communication across technical and business teams. Professional working proficiency in English. What we offer: Private medical care Life insurance Professional training and certification support Social fund benefits platform Stable employment with a long-term contract Apply now Join a team building technology that supports critical business processes across a global organization. Please apply via our careers page and submit your CV in English.

🏢 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.