New offer - be the first one to apply!

August 8, 2026

Java Developer (e-commerce)

Senior • Hybrid

20,000 - 25,200 PLN

Warsaw, MZ, Poland

Our expectations

  • Minimum 5 years of experience as a Java Developer
  • Proven track record as a Software Engineer delivering highly complex solutions
  • Knowledge and experience with the Java ecosystem: Java, Kotlin, Groovy and Spring Framework
  • Experience with other languages: Python and Go
  • Experience with Apache Spark, Apache Hadoop, Apache Mesos and TensorFlow
  • Knowledge of engineering practices and methodologies: TDD, DDD, CI/CD and pair programming
  • Fundamental experience and strong interest in AI-driven solutions, particularly LLM integration and agentic systems/frameworks
  • Ability to lead the design and implementation of complex system features and components
  • Strong ownership of delivered solutions, including code quality, stability, scalability and observability through monitoring and logging
  • Experience driving architectural decisions and evaluating technical trade-offs
  • Ability to identify and manage technical risks, dependencies and technical debt
  • Ability to evaluate technical decisions through the lens of user impact, rather than solely fulfilling specifications
  • Strong collaboration skills when working with engineers, Product Managers and UX/UI Designers
  • High autonomy and accountability
  • Advanced Polish and English communication skills, at least B2 level
  • Openness to hybrid work from the Warsaw office

Nice to have

  • Practical experience with cloud environments, preferably GCP, and Kubernetes
  • Experience working with large-scale, distributed systems
  • Experience in cross-team collaboration within complex organizational structures
  • Technical mentorship and knowledge sharing within the project team
  • Ability to advise on technical best practices and optimize engineering standards across the project

Main responsibilities

  • Design, build and maintain highly scalable, robust Kotlin-based features and distributed components
  • Take full ownership of code quality, observability and technical-debt management
  • Drive the technical implementation of AI capabilities by integrating LLMs, agentic frameworks and smart automation into the core platform to improve the end-user experience
  • Work autonomously within a specialist team and collaborate with Product Managers, UX Designers and cloud engineers working with GCP and Kubernetes
  • Evaluate technical trade-offs, manage technical risks and mentor the team

Similar jobs you might like

Technology

New offer

Britenet

Lead Java Developer (e-commerce)

Senior

Hybrid

Warsaw, MZ, Poland

25,200 - 30,200 PLN

🏢 Summary: Lead the development of a large e-commerce project, managing a cross-functional team and driving architecture, delivery, quality, and reliability. The role combines hands-on Java ecosystem expertise with mobile, AI-driven product development and close collaboration with Product, UX, and Business stakeholders in a hybrid Warsaw setup. 🗂️ Requirements: Minimum 5 years of Java development experience, Experience leading development teams and managing people, Experience delivering projects predictably, Java ecosystem expertise, including Java, Kotlin, Groovy and Spring Framework, Experience with Python or Go, Experience with Apache Spark, Hadoop, Mesos and TensorFlow, Knowledge of TDD, DDD, CI/CD and pair programming, Hands-on experience with architecture design and code reviews, Mobile application development experience, Documented AI-driven project experience, Experience with OKR frameworks, Experience in e-commerce, marketplaces or consumer-facing platforms, Polish and English communication skills at minimum B2 level, Availability for hybrid work from the client’s Warsaw office 📃 Skills: Java, Kotlin, Groovy, Spring, Python, Go, Spark, Hadoop, Mesos, TensorFlow, TDD, DDD, CI/CD, OKR, AI 🏢 Description: Development of an e-commerce project for a client that is one of the largest companies in this sector in the country. Our expectations - Proven track record of leading development teams, including people management, project execution, and predictable delivery - Minimum 5 years of experience as a Java Developer - Knowledge and experience with the Java ecosystem: Java, Kotlin, Groovy, Spring Framework, Python, and Go - Experience with Apache Spark, Apache Hadoop, Apache Mesos, and TensorFlow - Knowledge of engineering practices and methodologies: TDD, DDD, CI/CD, and pair programming - Strong sense of ownership, with full accountability for outcomes, quality, and system reliability - Strong hands-on engineering background, including co-driving technical decisions, conducting code reviews, and designing system architecture - Commitment to engineering excellence: clean code, testing, code reviews, CI/CD, and production readiness - Participation in product discovery as a key technical partner - Ability to translate business goals into a clear scope of work, priorities, and actionable roadmaps - Experience working in a cross-functional environment with Product, UX, and Business - Proven track record in mobile app development - Documented experience in AI-driven projects and OKR frameworks - Experience in e-commerce, marketplaces, or consumer-facing platforms - Excellent communication skills - Advanced Polish and English communication skills, at least B2 level - Openness to hybrid work from the client’s Warsaw office Main responsibilities - Lead a cross-functional development team, drive architectural decisions, conduct code reviews, and maintain engineering excellence across mobile, e-commerce, or consumer-facing platforms - Partner with Product, UX, and Business stakeholders during product discovery to translate strategic business goals and OKRs into actionable technical roadmaps and AI-driven solutions - Take full accountability for end-to-end project delivery, quality, and system reliability while effectively managing team members and working in a hybrid setup from the client’s Warsaw office

Technology

Britenet

Java & Kotlin Developer (e-commerce)

Senior

Hybrid

Warsaw, Poland

21,000 - 26,000 PLN

🏢 Summary: Development of a large-scale e-commerce platform leveraging AI and NLP technologies to enhance search, content quality, and process automation. The role involves designing and implementing complex microservices-based solutions, integrating LLMs, and ensuring high standards of scalability, stability, and observability in a cloud environment. The position includes full lifecycle development within an agile team, from architecture decisions to deployment and maintenance. 🗂️ Requirements: At least 5 years of experience with Kotlin and Java, Strong knowledge of Spring framework, Experience with Gradle and Reactor, Experience with Azure Spring Apps, Practical experience with microservices architecture, Experience with MongoDB, CosmosDB, or Elasticsearch, Proficiency in designing and implementing REST APIs, Experience with AI-based solutions and LLM integration, Ability to design and implement complex system components, Experience in architectural decision-making, Knowledge of monitoring and logging practices, Good command of English (B2/C1 level) 📃 Skills: Kotlin, Java, Spring, Gradle, Reactor, Azure, MongoDB, CosmosDB, Elasticsearch, REST, LLM, AI, NLP, Microservices, GCP, Kubernetes 🏢 Description: Development of an e-commerce project for a client that is one of the largest companies in this sector in the country. A project utilizing AI and NLP technologies for large-scale analysis and processing of text content, supporting key digital platform functionalities such as search, content quality, and process automation Our expectations Extensive, at least 5 years, experience with Kotlin and Java witch proven track record in delivering high-complexity solutions. Strong knowledge of Spring, Gradle, Reactor, and Azure Spring Apps. Practical experience working within a microservices architecture. Familiarity with databases such as MongoDB, CosmosDB, and Elasticsearch. Proficiency in designing and working with REST APIs. Experience and a strong interest in AI-based solutions, specifically LLM integration. Ability to lead the design and implementation of complex system functionalities and components. Strong sense of ownership over delivered solutions, including code quality, stability, scalability, and observability (monitoring, logging). Experience in architectural decision-making and evaluating technical trade-offs. Ability to identify and manage technical risks, dependencies, and technical debt. Evaluating technical decisions and high level of autonomy and accountability. Good command of English (B2/C1 level). Readiness to work in a hybrid workmodel, fostering a collaborative and engaging team environment. Nice to have Hands-on experience with cloud environments (GCP preferred) and Kubernetes. Experience working with large, distributed systems. Experience in cross-team collaboration within complex organizational structures. Providing technical consultancy and knowledge sharing within the project team. Advising on technical best practices and optimizing engineering standards within the project. Main responsibilities Software development within a development team using agile methodology Participation in team meetings and collaborative creation and execution of assigned tasks Active involvement in delivering increasingly better programming solutions throughout the full project lifecycle — code reviews, testing others’ changes, deployment, maintaining cloud infrastructure, and creating documentation

Technology

Link Group

Java Developer

Senior

Hybrid

Warsaw, Poland

21,000 - 29,000 PLN

🏢 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)

Technology

New offer

DCV Technologies

Senior Java Fullstack Developer | Hybrid Krakow

Senior

Hybrid

Krakow, MA, Poland

🏢 Summary: Experienced Java Developer role focused on building, testing, deploying, and maintaining scalable enterprise backend applications. The position involves Java, Spring Boot, microservices, REST APIs, databases, CI/CD, and collaboration with cross-functional teams in a hybrid Kraków setup. 🗂️ Requirements: 7+ years of Java application development experience, Core Java expertise (Java 8/11/17), Spring Boot and Spring MVC expertise, Microservices architecture and RESTful web services experience, Hibernate/JPA experience, Relational database experience, Git version control proficiency, Maven or Gradle knowledge, JUnit and Mockito testing experience, Understanding of design patterns and object-oriented programming principles 📃 Skills: Java, SpringBoot, SpringMVC, Microservices, REST, Hibernate, JPA, SQL, Git, Maven, Gradle, JUnit, Mockito, CI/CD, DevOps 🏢 Description: We are seeking an experienced Java Developer with strong expertise in designing, developing, and maintaining enterprise-grade applications. The ideal candidate has hands-on experience with Core Java, Spring Boot, microservices, REST APIs, and database technologies, along with a solid understanding of software development best practices. Key Responsibilities - Design, develop, test, and deploy scalable Java-based applications. - Build and maintain RESTful APIs and microservices. - Develop backend services using Java, Spring Boot, and related frameworks. - Collaborate with business analysts, architects, and development teams to understand requirements. - Write clean, maintainable, and efficient code following coding standards. - Troubleshoot, debug, and optimize application performance. - Participate in code reviews and ensure high-quality deliverables. - Work with CI/CD pipelines and DevOps practices for application deployment. - Ensure application security, reliability, and scalability. Required Skills - 7+ years of experience in Java application development. - Strong expertise in Core Java (Java 8/11/17), Spring Boot, Spring MVC, microservices architecture, RESTful web services, and Hibernate/JPA. - Experience with relational databases such as SQL Server, Oracle, MySQL, or PostgreSQL. - Proficiency in Git and version control systems. - Knowledge of Maven/Gradle build tools. - Experience with unit testing frameworks such as JUnit and Mockito. - Understanding of design patterns and object-oriented programming principles. 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.

Technology

Strategicsiq

Java & Kotlin Developers - Krakow - Poland - Onsite 3 days per week

Senior

Remote

Krakow, Poland

1,100 - 1,200 PLN

🏢 Summary: Backend Developer role focused on designing, building, and maintaining scalable Java and Kotlin-based applications and microservices within an international team. The position involves developing high-quality backend systems, collaborating with cross-functional teams, and optimizing distributed systems performance. The role emphasizes clean code, modern frameworks, and agile delivery practices. 🗂️ Requirements: 5+ years of backend development experience with Java 8+ and Kotlin, Strong knowledge of Spring Framework and Spring Boot, Experience building RESTful APIs and microservices, Experience with SQL and NoSQL databases, Understanding of Agile/Scrum methodologies 📃 Skills: Java, Kotlin, Spring, SpringBoot, REST, Microservices, SQL, NoSQL, PostgreSQL, MongoDB, Agile, Scrum 🏢 Description: We are looking for skilled Java & Kotlin Developers to join our growing technology team in Poland. As part of an international development group, you’ll design, build, and maintain scalable backend systems using Java and modern frameworks. You’ll collaborate closely with cross-functional teams to deliver high-quality, reliable, and efficient software solutions. Key Responsibilities Design, develop, and maintain Java-based applications and microservices. Write clean, efficient, and testable code following best practices and coding standards. Collaborate with front-end developers , DevOps engineers , and QA teams to ensure seamless integration and delivery. Participate in code reviews , architecture discussions, and agile ceremonies. Contribute to technical documentation and continuous improvement of development processes. Troubleshoot and optimize performance across distributed systems. Requirements 5+ years of experience in backend development using Java 8+ Kotlin . Strong understanding of Spring Framework / Spring Boot . Experience with RESTful APIs , microservices , and SQL / NoSQL databases (e.g., PostgreSQL, MongoDB). Knowledge of Agile / Scrum methodologies. Good command of English (B2 or higher) – Polish language skills are a plus. Nice to Have Experience with cloud platforms (AWS, Azure, or GCP). Familiarity with message brokers (Kafka, RabbitMQ). Knowledge of unit testing and test automation frameworks (JUnit, Mockito). Interest in DevOps or system design concepts. How to Apply If you’re passionate about building high-quality Java applications and want to be part of a dynamic engineering team, send your CV

Technology

EPAM Systems

Junior Java/Kotlin Developer

Junior

Hybrid

Gdansk, Poland

🏢 Summary: Junior Java/Kotlin Developer role focused on building and maintaining microservices for a large telecommunications project, with training in Salesforce and cloud technologies. The position involves working in an Agile team using modern backend technologies and contributing to API integrations and SaaS platforms. Hybrid work model with collaboration across international teams. 🗂️ Requirements: Hands-on experience with Java, Foundational knowledge of Kotlin, Basic experience with Spring Boot, Experience with RESTful APIs, Familiarity with Google Cloud Platform, Working knowledge of SQL, Working knowledge of Git, Willingness to learn and work with Salesforce, Ability to communicate in English (B2+) 📃 Skills: Java, Kotlin, Spring, SpringBoot, REST, GCP, SQL, Git, Salesforce, CPQ, Zuora, Microservices, Agile 🏢 Description: We are looking for an ambitious Junior Java/Kotlin Developer , eager to learn and work with Salesforce, to join our team. In this role, you’ll be trained and mentored while contributing to a major telecommunications project for a global technology leader, working with modern technologies like Java, Kotlin, Spring, and Google Cloud Platform. You’ll collaborate closely with a diverse team in a dynamic, Agile environment, focusing on microservices, API integrations, and SaaS products such as Salesforce and Zuora. This role offers a hybrid model, with 3 days per week working from the client's office in Gdansk, Krakow, Warsaw or Wroclaw. While standard Polish business hours apply, occasional flexibility for evening meetings (e.g., around 18:00) to coordinate with US teams is required. If you’re passionate about launching your career in a top-tier engineering setting, this is the perfect opportunity for you. Responsibilities Learn and grow under the guidance of senior engineers developing a strong understanding of the project’s domain architecture and codebase Assist in developing testing and maintain microservices using Java and Kotlin Onboard to Salesforce especially Salesforce CPQ for product management tasks Write clean maintainable and well-tested code for assigned features and bug fixes Participate in code reviews and collaborate with the team in all Agile ceremonies Help troubleshoot and resolve technical issues with mentor support Contribute to team documentation and knowledge sharing Proactively tackle a steep learning curve and adapt quickly to complex large-scale systems and cloud technologies Requirements Hands-on experience with Java and foundational knowledge of Kotlin Basic experience with Spring Boot and RESTful APIs Familiarity with Google Cloud Platform (GCP) Working knowledge of SQL and Git Eagerness to learn and work with Salesforce and other SaaS products Strong desire to learn grow and adapt quickly in a fast-paced environment Good communication and teamwork skills Willingness to occasionally adjust working hours for collaboration with international teams Ability to communicate effectively in English both spoken and written for daily collaboration We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

Technology

New offer

Itransition

Java Senior Developer

Senior

Remote

Warsaw, MZ, Poland

🏢 Summary: Opportunity for an experienced backend software professional to design and build complex server-side systems from scratch, define project-wide technical solutions, and establish development best practices. The role focuses on Java/Kotlin, Spring, databases, microservices, and software architecture, with flexible hours and remote-work options. 🗂️ Requirements: 3+ years of IT experience, Hands-on Java 8+ or Kotlin experience, Hands-on Spring Boot/Framework experience, Knowledge of RDBMS, ORM, and NoSQL databases, Knowledge of client-server architecture and microservices, Practical OOP and design-pattern skills, English sufficient for technical project discussions 📃 Skills: Java, Kotlin, Spring, RDBMS, ORM, Hibernate, JOOQ, MyBatis, NoSQL, Microservices, OOP 🏢 Description: We are looking for experienced professionals who can design and develop complex software systems from scratch, design project-wide technical solutions, and establish and control best development practices. What we expect from you: - 3+ years of experience in IT - Hands-on experience with modern Java technologies for server solutions: Kotlin, Java 8+, Spring Boot/Framework - Knowledge of RDBMS and ORM: Hibernate, JOOQ, MyBatis; NoSQL databases - Architectural knowledge of client-server system principles and microservices; practical skills with design patterns and OOP - English sufficient for participating in technical project discussions It would be a plus to have: - Experience with frontend development: HTML5, JavaScript/TypeScript, Angular, React, or other technologies - Hands-on experience with cloud services: Microsoft Azure, AWS, Google Cloud - Experience setting up and supporting development processes: CI/CD, code review, static code analysis, automated testing - Experience working with Scrum - Experience creating technical documentation We offer: - Projects for clients including PayPal, Wargaming, Xerox, Philips, Adidas, and Toyota - Competitive compensation based on qualifications and skills - Career development system with clear skill qualifications - Flexible working hours aligned to your schedule - Remote-work options

Technology

Britenet

Java Developer (media/streaming)

Senior

Remote

Warsaw, Poland

21,000 - 25,000 PLN

🏢 Summary: Senior Java Developer role focused on building and modernizing media applications for European and US markets, using modern Java and cloud-based microservices architectures. The position involves developing scalable backend services, integrating AI-assisted tools, and working with CI/CD and cloud platforms. The role requires strong technical expertise and flexibility to collaborate across time zones. 🗂️ Requirements: Minimum 5 years of experience as Java Developer, Experience with Java 17–25, Experience with Gradle, Experience with Spring Boot 3.x–4.x, Experience with Spring Data JPA and PostgreSQL, Experience with Liquibase, Experience with Apache Kafka, Experience with REST API design, Experience with JUnit 5, Experience with Git and Jenkins (CI/CD), Experience with GCP or AWS, Knowledge of microservices integration patterns, Very good English (min. B2), Availability to work 12:00–20:00 (Polish time) 📃 Skills: Java, Gradle, SpringBoot, SpringDataJPA, PostgreSQL, Liquibase, Kafka, REST, JUnit, Git, Jenkins, GCP, AWS, Microservices, Micrometer, NewRelic, Docker, Kubernetes, GraphQL, VertexAI, Gemini, Copilot, Claude, Cursor 🏢 Description: Our client is a leader in the media industry from the USA. We are looking for a specialist who will develop modern applications, adapting them to the requirements of various markets, such as European and American. Our expectations Min. 5 years of experience as Java developer Experience with and good knowledge of: Java 17 - 25, Gradle Spring Boot 3.x - 4.x Spring Data JPA + PostgreSQL Liquibase (schema migrations) Apache Kafka REST API design (incl. Spring Data REST / HAL conventions) Unit 5 Git + Jenkins (CI/CD) AI-assisted development — Claude Code, Cursor, or GitHub Copilot Cloud platform experience GCP/AWS Microservices integration patterns A growth mindset paired with a passion for programming Critical thinking, along with an understanding of the business context and its impact on technical solutions Very good command of English, min. B2 level Flexibility to work shift hours matching US time zones (12:00 – 20:00 Polish time) or for hybrid work in client's office (Warsaw), would be considered a major advantage Welcome Skills Experience with and good knowledge of: Observability: Micrometer, New Relic Docker / docker-compose (local environment) K8s GraphQL Cloud AI services - using managed LLMs (GCP Vertex AI / Gemini) for automated data and media processing

Technology

ITDS

Mid-Level/Senior Kotlin (Java) Developer – Microservices & API Focus

Mid

Hybrid

Krakow, Poland

18,900 - 25,200 PLN

🏢 Summary: Mid-Level/Senior Kotlin (Java) Developer role focused on designing and building microservices and APIs within a compliance management platform. The position involves developing backend and web applications in a microservice architecture, contributing to CI/CD processes, and delivering high-quality solutions in an agile environment. Hybrid work model based in Kraków with up to 3 days of remote work per week. 🗂️ Requirements: 4+ years of software development experience, Experience in backend and API development, Proficiency in Kotlin or Java, Experience with API development, Experience with SQL and databases, Experience with HTML and JavaScript, Understanding of microservice architecture, Experience working in Agile environments, Knowledge of Jira and Confluence, Fluent English (B2+ level), Legal right to work in the European Union 📃 Skills: Kotlin, Java, SQL, HTML, JavaScript, Microservices, APIs, CI/CD, Jira, Confluence, AWS, Azure, GCP, Jenkins, Linux, AIX, WebSphere 🏢 Description: Unleash innovation — design cutting-edge microservices and APIs that drive digital transformation! Kraków-based opportunity with hybrid work model (up to 3 days remote per week). As a Mid-Level/Senior Kotlin (Java) Developer , you will be working for our client, a forward-thinking organization building a platform for control owners and development teams to manage and monitor software development compliance. You will contribute to Kotlin and Java-based web applications and APIs within a microservice architecture, supporting innovative solutions across multiple applications and PoCs. This role offers a unique chance to shape the future of development standards while advancing your career in a dynamic environment. Your main responsibilities: Collaborate with cross-functional teams to develop and operate products that meet strategic goals. Design, develop, and implement both front-end and back-end features that support flexible UI frameworks. Build efficient APIs and microservices to address impactful business needs. Work within an agile CI/CD environment to deliver continuous improvements at high velocity. Engage in peer reviews, testing, and automated test scripting to ensure high-quality code. Proactively troubleshoot issues and respond to customer feature requests with innovative solutions. You're ideal for this role if you have: 4+ years of experience in software development, with a focus on backend and API development. Solid expertise in Kotlin or Java (with a willingness to learn Kotlin). Hands-on experience with API development, SQL/databases, and HTML/JavaScript. Strong problem-solving and troubleshooting skills. Experience working in Agile environments with tools like Jira and Confluence. Good understanding of microservice architecture. Excellent interpersonal and communication skills in English (B2+ level). It is a strong plus if you have: Good working knowledge of cloud platforms such as AWS, Azure, or GCP. Experience building CI/CD pipelines using Jenkins. Background in Systems Administration across Linux, AIX, or WebSphere platforms. Language Required for the role: Fluent English (B2+ level). Eligibility to work in Europe: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

Technology

DCV Technologies

Java Backend Developer | Hybrid Warsaw

Mid

Hybrid

Warsaw, Poland

🏢 Summary: B2B contract for a Mid to Mid-Senior Java Backend Developer to work in a hybrid model on a high-impact financial/payments project. The role focuses on designing and developing microservices-based backend solutions using Java and Spring technologies, contributing to architecture, implementation, and continuous improvement within Agile teams. 🗂️ Requirements: 3+ years of professional experience in Java backend development, Proficiency in Java 8+ and Spring Boot, Experience building and consuming REST APIs, Experience designing and developing microservices, Knowledge of HTTPS, SFTP, REST and SOAP protocols, Experience with Git/GitHub, GitHub Actions, Maven and Jenkins, Experience with MySQL and SQL databases, Familiarity with Linux operating systems, Understanding of containerization, Knowledge of Agile methodologies 📃 Skills: Java, Spring, SpringBoot, REST, SOAP, HTTPS, SFTP, Microservices, Kafka, Git, GitHub, GitHubActions, Maven, Jenkins, Jira, MySQL, SQL, Linux, Docker, Agile 🏢 Description: Java Backend Developer We’re looking for an experienced Java Backend Developer to join a fast-paced, high-impact project in the financial / payments domain. Contract: B2B Work Mode: Hybrid 2/3 days from Warsaw office Qualifications • Minimum of 3+ years of relevant professional experience • Proficiency in JAVA 8+, building and consuming REST APIs, Spring Boot and Spring Technologies • Good knowledge in creating Microservices along with Kafka background. • Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols • Familiarity with Linux operating systems • Strong grasp of microservices architecture and containerization • Knowledge of Agile frameworks and principles • Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira • Competence with MySQL and SQL databases • Exceptional analytical and problem-solving abilities • Excellent written and verbal communication skills • Demonstrated ability to collaborate effectively with Product, Test, DevOps, and Agile/Scrum teams Mandatory Skills: • Java (Spring), REST APIs, Spring Boot and Spring Technologies • Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols. • Strong grasp of microservices architecture and containerization • Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira • Competence with MySQL and SQL databases Desired Skills: • Exceptional analytical and problem-solving abilities • Excellent written and verbal communication skills • Demonstrated ability to collaborate effectively with Product, Test, DevOps, and Agile/Scrum teams Years of exp needed: 3-4 years (Mid-Level) 5-7 Years (Mid-Senior) Roles and Responsibilities: The following items are in-scope for this Work Order. • Contribute to the technical design and engineering of applications. • Develop deep domain expertise. • Assist in analysing functional and technical requirements, including comprehensive architecture and design specifications. • Collaborate with Architecture and Business teams to deliver industry-leading solutions. • Participate daily in development, design, code review, and implementation activities. • Employ best practices and drive continuous improvement throughout the development lifecycle. The following items are out-of-scope for this Work Order: Create product requirement Work as a scrum master or product owner 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk