Backend Java Developer

🏢 Summary: Junior Java Developer role focused on developing and maintaining Java-based microservices in a collaborative Agile team. The position involves implementing features, fixing bugs, and contributing to high-quality, continuously delivered software. It requires working in a hybrid model with strong emphasis on clean code and modern development practices. 🗂️ Requirements: Minimum 1 year of experience with Java, Knowledge of Google Cloud Platform (GCP), Proficiency in Maven, Proficiency in Hibernate, Proficiency in Spring, Understanding of REST/WebServices, Knowledge of design patterns, Experience with Test-Driven Development (TDD), Familiarity with version control systems, Experience using IDEs 📃 Skills: Java, GCP, Maven, Hibernate, Spring, REST, WebServices, Microservices, TDD, Git, DesignPatterns, IDEs 🏢 Description: We are seeking a Junior Java Developer to join our progressive 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, Wrocław or Gdańsk, due to a hybrid mode of work, with 3 days per week working from the office. Responsibilities: Support the development, testing, and maintenance of microservices using Java Implement small features and bug fixes with guidance from senior engineers Write clean, readable, and maintainable code, following team standards Participate in code reviews as a learner, receiving and applying feedback Assist in troubleshooting and resolving technical issues together with the team Take part in Agile ceremonies (daily stand-ups, planning, reviews, retrospectives) Contribute to technical documentation and knowledge sharing within the team Requirements: Knowledge of Java programming language with at least 1 year of experience Familiarity with Google Cloud Platform (GCP) Proficiency in Maven, Hibernate, and Spring Understanding of WebServices/REST for API interactions Knowledge in design patterns and experience with Test-Driven Development (TDD) Familiarity with development tools such as version control and IDEs English level B1+ for effective communication We offer/Benefits: 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.

🏢 Summary: Contract-based role for a Java Developer to build and enhance a microservices-based e-commerce platform, focusing on modules such as product search optimization and order management. Work with modern cloud and container technologies in a hybrid model with limited on-site presence. 🗂️ Requirements: 3+ years of experience with Java, 3+ years of experience with Spring Boot, Experience with microservices architecture, Experience or willingness to work with Kotlin or Golang, Exposure to cloud platforms (preferably GCP), Communicative English (min. B2) 📃 Skills: Java, SpringBoot, PostgreSQL, Docker, Kubernetes, Terraform, GCP, Kotlin, Golang, Microservices 🏢 Description: We’re looking for talented Java Developers to join one of our clients – an international e-commerce company shaping new software engineering team in Poland. Employment terms: Contract of employment Hybrid model – 1 visit/month in the office (company located near Konin, wielkopolskie) In this role you will: Contribute to the development of microservices e-commerce platform with focus on various modules connected with e.g. product search optimization, order management, Work using technologies such as: Java, Spring Boot, PostgreSQL, Docker, Kubernetes, Terraform, GCP, Kotlin, Golang, Collaborate within an international development team. Requirements: Min. 3+ years of experience with Java and Spring Boot, Experience or willingness to expand your expertise by Kotlin/Golang, Exposure to cloud solutions – ideally GCP Communicative English – min. B2. Our Client offers: Benefit package including: private medical care, Multisport, life insurance, studies/courses subsidy, Hybrid type of work – office based near Konin – if you’re located 50+km from the office – 1 visit/month (for 2 days), Opportunities to grow and collaborate within an international environment.

🏢 Summary: Senior Java Developer role focused on building and enhancing POS and BackOffice retail solutions, including integrations, payments, reporting, and fiscalisation systems. The position involves designing scalable backend applications, supporting architectural decisions, and collaborating across teams on complex retail technology projects. Candidates will work with modern Java and Spring technologies in a technically demanding environment with opportunities for growth. 🗂️ Requirements: 5+ years of commercial IT experience, Very good knowledge of Java, Experience with Spring Boot, Experience with Spring Cloud, Experience with JPA, Experience with SQL, Understanding of backend application design, Experience with system integration, Experience designing scalable and maintainable solutions, Experience with relational databases, Query optimisation skills, Knowledge of Git, English B2 or higher, Ability to work independently on code, Team collaboration skills 📃 Skills: Java, Spring, SpringBoot, SpringCloud, JPA, SQL, Git, JDBC, SQLite, PostgreSQL, Tomcat, Wicket, JasperReports, Karate, Swing, Multithreading, CI/CD, GitLab 🏢 Description: We are looking for experienced Java Developers who want to grow their skills and work on interesting projects in the retail and sales technology area. You will be joining a team working on POS and BackOffice solutions supporting sales, store operations, integrations, reporting, payments, fiscalisation, and other retail-related processes. Your responsibilities Designing and developing efficient, scalable, and stable software. Participating in the design and implementation of new features. Supporting technical decision-making and selecting appropriate technologies and implementation approaches. Working on the optimisation of the software development process. Analysing technical requirements and proposing practical, maintainable solutions. Supporting integration design between POS, BackOffice, payment systems, fiscal devices, external platforms, and other retail systems. Taking ownership of complex technical topics and supporting the team in solving architectural or implementation challenges. Cooperating with developers, analysts, testers, product owners, and other stakeholders. Reviewing code and supporting good engineering practices within the team. Our requirements At least 5 years of commercial experience in IT. Very good knowledge of Java. Experience with Spring Boot, Spring Cloud, JPA, and SQL. Good understanding of backend application design and system integration. Experience in designing stable, maintainable, and scalable solutions. Ability to analyse business and technical requirements and translate them into clean technical solutions. Experience with relational databases and query optimisation. Practical knowledge of Git-based version control. English at B2 level or higher. Ability to write, understand, review, and maintain code independently, without relying on LLM-based tools - we do allow and encourage you use all kinds of tools, including AI, but we expect you to have a deep understanding of the results Good communication skills and the ability to work in a team. Responsibility for delivered solutions and a proactive approach to problem-solving. Nice to have Experience as a Tech Lead, Lead Developer, or Solution Architect. Experience in making or supporting architectural decisions. Experience with POS, retail, payments, fiscalisation, or enterprise sales systems. Experience with desktop applications or applications running in store environments. Knowledge of multithreading, performance optimisation, and offline-first systems. Awareness of web technologies Experience with CI/CD, GitLab pipelines, automated testing, or deployment processes. Technologies we use POS Java Multithreading Plain JDBC Web client used in integrations Swing for UI SQLite embedded database BackOffice Java 21 Spring JDBC Tomcat as a web application container Apache Wicket PostgreSQL JasperReports Karate We offer: Employment in a reputable organization (ITwiz BEST100), operating in accordance with international quality and security standards (ISO 9001, ISO 27001) A non-corporate atmosphere and a flat organizational structure Opportunities for continuous development through: working with a variety of technologies on projects for well-known clients collaboration with an experienced team of experts who are eager to share their knowledge co-financing of training and certifications Employee Referral Program Participation in charitable initiatives, including cooperation with the Joanna Radziwiłł Foundation “Opiekuńcze Skrzydła” and involvement in the “Gwiazdorzymy” holiday campaign Private healthcare (LUX MED), 50% co-financing of the Multisport card, co-financing of foreign language learning, and access to a wellbeing platform. A diverse and inclusive work environment – our company brings together representatives of four generations Equal development opportunities – 50% of managerial and leadership positions are held by women Organizational culture based on values: we act with good intentions we share knowledge we take responsibility we continuously improve people are our top priority we act with a clear sense of purpose and meaning we communicate honestly and professionally

🏢 Summary: Remote B2B offer for an experienced Java Developer to design and build scalable REST APIs and broker integrations using Spring-based technologies within a microservices architecture. The role focuses on high-quality API development, SQL database management, and system design in a Scrum team. The position involves international collaboration and participation in architecture and integration initiatives. 🗂️ Requirements: Minimum 5 years of experience with Java (8/17/21), Strong knowledge of Spring Framework, Strong knowledge of Hibernate, Experience with REST API design and development, Experience with microservices architecture, Strong SQL and relational database expertise, Knowledge of architectural and design patterns, Experience with Git, Experience with TeamCity, Polish proficiency, English proficiency 📃 Skills: Java, Spring, Hibernate, SQL, REST, Microservices, Git, TeamCity, Maven, Scrum, RelationalDatabases, DesignPatterns 🏢 Description: Work model: remote, visit in the office once a quater in Warszawa Rate: up to 150 PLN/h (B2B contract) We are looking for a motivated Java Developer to join our team focused on building and evolving API integrations with external brokers. The ideal candidate will possess a strong background in Java, Spring-based technologies, and a deep understanding of systems integration and microservices architecture. You will contribute significantly to developing high-quality, maintainable APIs that enable seamless integration with various partners across multiple international markets. We work in a cross-functional team utilizing Scrum methodology. Main Responsibilities Design and build high-quality APIs using Java (8/17/21) and Spring-based technologies, ensuring scalability and maintainability. Develop and enhance broker integrations, contributing to business growth and market expansion. Contribute to modern service-oriented architecture design applying microservices knowledge. Manage SQL databases and ensure data consistency and reliability in applications. Utilize tools like Git, Maven, and TeamCity for continuous integration and code delivery. Collaborate on frontend API usability to ensure practical and well-structured solutions. Communicate effectively in Polish and English to facilitate international collaboration. Key Requirements At least 5 years of experience with Java (8/17/21 ) Deep knowledge of the Spring Framework and Hibernate. Strong SQL and relational database expertise. Strong problem-solving skills and proactive attitude. Experience in clean REST API design and development. Familiarity with microservices architecture. Knowledge of architectural and design patterns. Experience with Git and TeamCity. Polish and English proficiency. Nice to Have Experience with React for effective collaboration with frontend developers. Experience with large-scale applications using Maven. Knowledge of Apache Kafka. Experience with Domain-Driven Design (DDD) or Hexagonal architecture. Experience in decoupling monolithic applications. Background in the fintech industry. Recruitment process: 1. Live coding session 2. System design session 3. HR interview

🏢 Summary: Offer for an experienced Java Developer to design and develop large-scale back-office systems, customer applications, and sales support tools within the insurance sector. The role involves architectural impact, participation in cross-functional IT projects, and ensuring high-quality, stable solutions in a hybrid work model. It provides long-term cooperation and work on innovative, large-scale systems. 🗂️ Requirements: Minimum 5 years of experience as Java Developer, Very good knowledge of REST API, Very good knowledge of JSON, Very good knowledge of Spring Boot, Experience in concurrent programming, Knowledge of CI/CD tools (e.g. Jenkins, Bitbucket), Higher education degree in Computer Science or related field, Willingness to work in hybrid model (Warsaw) 📃 Skills: Java, REST, JSON, Spring, SpringBoot, CI/CD, Jenkins, Bitbucket, Concurrency, Docker, Angular, RabbitMQ, Kafka, Oracle, Microservices, SpringData, SpringSecurity, Hibernate, JVM 🏢 Description: Wspólnie z naszym Partnerem z sektora ubezpieczeniowego poszukujemy osoby na stanowisko Java Developer , który/a dołączy do doświadczonego zespołu pracującego równolegle nad rozbudowanymi systemami back-office, nowoczesnymi aplikacjami dla klientów końcowych oraz narzędziami wspierającymi zespoły sprzedażowe. Szukamy osoby, która chce rozwijać się w stabilnym środowisku, mieć realny wpływ na architekturę systemów i współtworzyć rozwiązania wykorzystywane na dużą skalę. 💡 TWOJA ROLA: Projektowanie i rozwój kompleksowych systemów informatycznych wspierających kluczowe procesy biznesowe. Zapewnienie wysokiej jakości wytwarzanego oprogramowania poprzez code review oraz testy jednostkowe. Udział w przekrojowych, wielkoskalowych projektach IT realizowanych w ramach Pionu IT. Analiza potrzeb biznesowych oraz przekładanie ich na efektywne rozwiązania techniczne. Współtworzenie nowych koncepcji i rozwiązań we współpracy z klientem biznesowym. Rozwiązywanie realnych problemów produkcyjnych i wsparcie stabilności systemów. 🔍 CZEGO OCZEKUJEMY OD CIEBIE? Minimum 5 lat doświadczenia na stanowisku Java Developer. Gotowość do pracy w modelu hybrydowym - Warszawa (1 dzień z biura, 4 dni zdalnie / tyg.). Znajomość narzędzi wspierających procesy CI/CD (np. Jenkins , Bitbucket ). Posiadanie wykształcenia wyższego informatycznego lub pokrewnego. Bardzo dobra znajomość technologii REST API i JSON , Spring boot. Doświadczenie w programowaniu współbieżnym. Mile widziane: Doświadczenie w sektorze finansowo–ubezpieczeniowym. Znajomość technologii konteneryzacji, w szczególności Docker. Umiejętność tworzenia aplikacji frontendowych w Angularze. Znajomość systemów kolejkowych (RabbitMQ, Kafka). Praktyczna znajomość baz danych Oracle. Znajomość architektury mikroserwisowej. Znajomość Spring Data i Spring Security. Doświadczenie w pracy z Hibernate. Znajomość JVM i strojenia aplikacji. ✨ OFERUJEMY: Uczestnictwo w spotkaniach integracyjnych oraz meetupach technologicznych, umożliwiających dzielenie się wiedzą i doświadczeniem. Wsparcie dedykowanej osoby kontaktowej Connectis, która zawsze jest dostępny, by pomóc Ci w sprawach związanych z projektem. Praca w modelu hybrydowym - Warszawa (4 dni zdalnie, 1 dzień z biura / tyg.). Rozwój kariery i długofalową współpracę w firmie o ugruntowanej pozycji na rynku. Udział w innowacyjnych projektach w sektorze ubezpieczeniowym. Przyjazną atmosferę pracy w zgranym i doświadczonym zespole. 5000 PLN za polecenie znajomego do naszych projektów. Dostęp do najnowszych technologii i narzędzi pracy. Szybki i zdalny proces. Dziękujemy za wszystkie zgłoszenia. Pragniemy poinformować że skontaktujemy się z wybranymi osobami. 12587/JR

🏢 Summary: The offer is for a Java Developer responsible for participating in the full software development lifecycle, implementing new features, and maintaining existing systems. The role involves working with modern Java technologies, relational databases, and cloud-based environments in a remote or hybrid setup. The project is delivered under a B2B contract with support from a dedicated mentor. 🗂️ Requirements: Very good knowledge of Java 21, Experience with Hibernate, Experience with Spring, Experience with Spring Boot, Understanding of relational databases, Knowledge of MySQL, Linux skills (user level or higher), Ability to work with Git, Advanced technical English skills, Experience with cloud-based architectures, Experience with Kubernetes 📃 Skills: Java, Hibernate, Spring, SpringBoot, MySQL, Linux, Git, Kubernetes, Cloud 🏢 Description: For our client we are looking for Java Developer! RESPONSIBILITIES • Participation in full development cycle: from requirements, specification up to architecture, development and system tests • Implementation of new functionalities • Maintenance of existing code REQUIREMENTS • Very good knowledge of Java 21, • Experience with Hibernate and Spring, Spring Boot frameworks, • Understanding relational databases, especially MySQL • Linux skills on user level or higher • Knowledge and ability to work with version control system Git • Advanced technical English skills • Experience with cloud-based architectures and platforms such as Kubernetes NICE TO HAVE • Experience in multithreading programming • Experience with making software for telecommunication systems • Experience with queues like RabbitMQ and Kafka • CKAD Certification WHAT DO WE OFFER ON THIS PROJECT? ITO: Cooperation based on a B2B contract and rate: 160-190 zł/h 100% remote work / Hybrid work from Kraków (1 times a week in the office) The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. Events and integration meetings, as well as participation in various initiatives, e.g., sports. WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Antonina Pawłowska IT Research Consultant antonina.pawlowska@speedapp.pl

🏢 Summary: Long-term B2B opportunity for an experienced Java Backend Developer to build and maintain a secure public website based on microservices architecture for a major international investment bank. The role involves developing new features, improving architecture and deployment processes, and contributing to system design. Hybrid work model in Wroclaw with a strong focus on backend development in a Java-based environment. 🗂️ Requirements: 6-10 years of commercial experience in software development, Strong experience in Java backend development, Experience with microservices architecture, Experience in designing and maintaining secure web applications, Knowledge of system architecture and deployment processes, Experience with Python, Ability to work in hybrid model (3 days per week in office) 📃 Skills: Java, Python, Microservices, REST, Spring, SQL, Git, CI/CD 🏢 Description: We are currently looking for talented and experienced Java Developers to join a long-term project with a major international Swiss investment bank operating in the financial sector. 📍 Location: Wroclaw, Poland (Hybrid – 3 days per week from the office) Type of contract: B2B Job Summary: Main technical skillset required is Java . Python is an additional skillset requirement. 6-10 years experience range We need Back End developers to create new features and maintain  a secure public website with microservices infrastructure. There are deficiencies around architecture, deployment, processes and we are looking for someone with both development and design expertise. We would like to hire a person who understands concepts and has good critical thinking. Our tech stack is Java based. 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 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: The offer is for an experienced Java Developer to build and maintain scalable, enterprise-level applications supporting global travel platforms. The role involves full lifecycle development, designing and implementing REST/SOAP services, and working with modern Java technologies in an Agile, CI/CD-driven environment. You will collaborate with cross-functional teams to enhance business-critical systems and deliver high-quality, reliable software solutions. 🗂️ Requirements: Minimum 5 years of commercial experience as Java Developer, Experience with Java 8 and Java 17, Strong knowledge of Spring Framework, Strong knowledge of Hibernate, Strong knowledge of EclipseLink, Proficiency in Oracle SQL, Proficiency in PL/SQL, Experience with GitHub, Experience with TeamCity, Experience with Tomcat or Tomee, Experience designing and implementing REST web services, Experience designing and implementing SOAP web services, Knowledge of JSP, Knowledge of Struts, Knowledge of JavaScript, Experience with unit testing using JUnit, Very good command of English 📃 Skills: Java, Spring, Hibernate, EclipseLink, Oracle, SQL, PLSQL, GitHub, TeamCity, Tomcat, Tomee, REST, SOAP, JSP, Struts, JavaScript, JUnit 🏢 Description: We are looking for a Java Developer to join our team and contribute to building scalable, enterprise-level applications that support our global travel platforms. In this role, you will participate in the full software development lifecycle, working closely with Product Owners, QA Engineers, UX/UI Designers, and other developers to deliver reliable, high-quality solutions. You will play an important role in maintaining and enhancing business-critical systems while contributing to the continuous evolution of our technology landscape. Your responsibilities Participate in the full software development lifecycle, from requirements gathering and solution design to deployment and support Collaborate with Product Owners, Designers, QA Engineers, and Developers to deliver high-quality software solutions Design, develop, and maintain applications using Java technologies Write clean, efficient, and maintainable code following development best practices Develop and maintain automated unit tests using JUnit Design, implement, and maintain REST and SOAP web services Create, optimize, and troubleshoot SQL and PL/SQL queries Maintain and improve existing applications, including bug fixing and performance enhancements Prepare and maintain technical documentation Identify opportunities for system improvements and contribute to technical innovation Our requirements Minimum 5 years of commercial experience as a Java Developer Experience working with Java 8 and Java 17 Strong knowledge of Spring Framework, Hibernate, and EclipseLink Proficiency in Oracle SQL and PL/SQL Experience with tools such as GitHub, TeamCity, and Tomcat/Tomee Experience designing and implementing REST and SOAP web services Knowledge of JSP, Struts, and JavaScript Experience with unit testing using JUnit Strong analytical and problem-solving skills Very good command of English and ability to work in an international environment Nice to have Willingness to learn and work with React Experience with Linux, Docker, or AWS Familiarity with Java EE standards Understanding of CI/CD processes and modern development practices How we work Clean Code principles Design patterns and software engineering best practices Code reviews and knowledge sharing Continuous Integration and Continuous Deployment (CI/CD) Agile and collaborative development environment Cross-functional teams working closely across Product, QA, UX/UI, and Engineering Focus on quality, maintainability, and continuous improvement What we offer Hybrid work model (1–2 days per week in our Katowice office) Opportunity to work on international, large-scale projects used by customers worldwide Attractive remuneration paid in EUR Flexible working hours Individual learning and development budget Partially or fully funded training and certifications English lessons Mentoring and support from experienced technical leaders Participation in conferences in Poland and abroad A culture focused on collaboration, knowledge sharing, and continuous improvement Space to innovate and bring your own ideas to life Support for IT community initiatives and professional networking Long-term cooperation in a stable, growing international organization

🏢 Summary: The offer is for an experienced Java Developer to design, build, and maintain scalable backend systems and microservices. The role involves developing RESTful APIs, integrating with cloud services, and working with databases in a collaborative environment. The position is available fully remote or on-site in Warsaw or Gdańsk. 🗂️ Requirements: Minimum 4 years of commercial experience with Java, Strong knowledge of Spring and Spring Boot, Experience with cloud platforms (AWS, Azure, GCP or similar), Solid experience with relational or non-relational databases, Experience with RESTful API design, Experience with Git, Experience with CI/CD pipelines, Understanding of software development best practices 📃 Skills: Java, Spring, SpringBoot, AWS, Azure, GCP, PostgreSQL, MySQL, Oracle, MongoDB, Git, CI/CD, REST, Microservices 🏢 Description: About the Role We are looking for an experienced Java Developer. If you have at least 4 years of commercial experience in Java development, solid knowledge of databases, and hands-on experience with any cloud platform – we would love to hear from you. This position is available as fully remote or 100% on-site in Warsaw or Gdańsk . Responsibilities Designing, developing, and maintaining scalable backend systems using Java Building and optimizing RESTful APIs and microservices Collaborating with cross-functional teams (QA, DevOps, Product Owners, Frontend Developers) Writing clean, maintainable, and testable code Participating in code reviews and technical discussions Integrating applications with cloud-based services Working with relational and/or non-relational databases Troubleshooting, debugging, and performance optimization Contributing to architectural decisions and technical improvements Requirements Minimum 4 years of commercial experience with Java Strong knowledge of Spring / Spring Boot Experience with any cloud platform (e.g., AWS, Azure, GCP or other) Solid experience with databases (e.g., PostgreSQL, MySQL, Oracle, MongoDB, etc.) Good understanding of RESTful API design Experience with Git and CI/CD pipelines Good knowledge of software development best practices Very good command of English (min. B2+ level)

🏢 Summary: B2B Java Developer role focused on designing and optimizing scalable architecture for Java-based applications in a hybrid model (3 days in Krakow). The position involves working in an Agile environment on long-term projects, with responsibility for system scalability, integration, and performance testing. This role targets experienced professionals capable of managing complex Java and microservices architectures. 🗂️ Requirements: 8–10 years of experience in Java development, Strong knowledge of advanced Java concepts, Experience with Java API management, Experience in microservices architecture, Experience with database technologies, Experience designing scalable system architectures, Ability to perform system performance and validation testing, Experience working in Agile environment 📃 Skills: Java, Microservices, API, Databases, Agile 🏢 Description: We are looking for a Java Developer on behalf of our client, a well-known and fast-growing technology company offering a stable, long-term project in a modern environment. 📍 Work mode: Hybrid — 3 days from Krakow 📄 Contract: B2B Role Description Agile Way of Working Advanced Java Concepts Java API Management & Microservices Database Technology Experience (Years): 8–10 Responsibilities: Designing scalable architecture systems for Java-based applications. Identifying the hardware and software infrastructure needs to accommodate the companys architectural goals. Troubleshooting design flaws and system bottlenecks. Performing validation tests to ensure the flexibility and scalability of the Java environment. Assisting the software design team with application integration. Conducting system performance tests. Completing systems reports. Responsibility of Expectations from the Role Designing scalable architecture systems for Java-based applications. Identifying the hardware and software infrastructure needs to accommodate the companys architectural goals. Troubleshooting design flaws and system bottlenecks. Performing validation tests to ensure the flexibility and scalability of the Java environment. Assisting the software design team with application integration. Conducting system performance tests. Completing systems reports. ✅ Benefits: Work with modern technologies and international teams Long-term and stable cooperation Professional growth opportunities