Senior Java Engineer

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

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

🏢 Summary: 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: Fully remote Senior Java Backend Engineer role for Poland-based candidates, building high-performance, low-latency financial trading systems for a major North American bank. The position focuses on core Java development, distributed services, performance diagnosis, and long-term collaboration with capital-markets teams. 🗂️ Requirements: 6+ years of backend Java development experience, Current core Java programming expertise, Algorithms, complexity, and data structures knowledge, Java standard library data structures knowledge and internals, Distributed service-based applications with message queues experience, Production performance diagnosis and root-cause analysis skills, Strong analytical and problem-solving skills, Clear technical communication in English, Availability to work US Eastern business hours during the first two months, Polish residency and legal authorization to work in Poland, Successful background check 📃 Skills: Java, Algorithms, Complexity, DataStructures, DistributedSystems, MessageQueues, Debugging, Testing, PerformanceAnalysis, RootCauseAnalysis 🏢 Description: Join the Java Engineering Team at a top N. American Bank Are you a Java engineer who enjoys working on large scale and high performance software? Do you love working with smart people on meaningful technology? Want to work in capital markets on financial trading systems? If so, read on. The Role at a Glance Senior Java Backend Engineer Fully remote for a top N. American bank (for residents of Poland only) Openings on multiple teams in the capital markets division (prime brokerage, platform team) Part of the core team - this is not a legacy support role or an outsourced B team We’re hiring experienced backend engineers (6+ years) to join a major N. American bank — directly supporting the development of financial trading systems . This is not a legacy maintenance or support role — you’ll be part of the core product team , building highly-performant, low-latency systems used across the firm. Are you a passionate Java developer who thrives on solving complex problems in low-latency, high-throughput trading systems ? Join us and work on interesting financial system engineering problems. Why Join Us? Work on a large-scale, low-latency trading system processing millions of daily transactions. No Legacy: Join an actively developed system — the engineers who built it originally are still on the team. Collaborate with a world-class team of developers across North America and Europe. Enjoy the stability of a long-term, fully remote role that only a bank can offer. A successful candidate will be a very strong programmer with current Java development experience. They must also be curious, open-minded, and desire to learn new things. English proficiency is a must. This role is for developers who excel at programming core Java from the ground up, not just integrating frameworks or APIs. If you’re fascinated by understanding systems ‘under the hood,’ this role is for you. Successful candidates enjoy geeking out about data structures and debugging application performance issues. This is a fully remote backend Java development role for a developer in Poland . You will be working through a Polish company that will provide the support and administrative assistance to make you successful in the role. We are looking for people to join the team long-term. Different teams have different working hour arrangements. For all roles, to ensure efficient onboarding, you’ll work in sync with the American team during US Eastern business hours for the first two months . Working this way maximizes your time overlap for answering questions, which means you can learn quickly. That means working until 21:00 CET. After that, some teams offer more flexibility your schedule can shift closer to standard Polish business hours. Only open to residents of Poland. Polish citizens, as well as legal residents with permission to work in Poland are welcome. What we offer Work that matters in the financial domain: Work on a trading system at an established financial institution, processing millions of transactions daily. Professional growth: Collaborate with smart, highly capable developers in a supportive and challenging environment. Direct collaboration : You will work directly with the client team in North America and in Poland. 1st-tier work : This is not a technical support or legacy maintenance role. The system is functional and is actively being built and you will take part in updating it. The people who built the system are still part of the team. Long-term commitment: This is not a fixed-scope or fixed-term outsourcing role; we value people who want to grow and contribute long-term. Flexibility & remote work: Fully remote position based in Poland with increasing schedule flexibility post-onboarding. Competitive Compensation: Above-average pay and ample time-off options. Responsibilities Design and implement robust software solutions for the bank’s trading systems using core Java (versions vary from team to team, and include 8, 17 and 21). Understand, develop, and improve the subsystems used by other teams in the trading platform. Create thorough test cases to ensure software stability and reliability. Collaborate with operations teams regarding building new features and improving existing functionality. Support production issues, including root-cause analysis and diagnosis. Requirements Must have Strong understanding of programming concepts, including algorithms, complexity, and data structures. Good knowledge of the data structures in the Java standard library - both breadth and internals. Experience building distributed service-based applications based on message queues. Strong analytical and problem-solving skills, to effectively diagnose production performance issues measured in microseconds. Open mind, curiosity, and a strong desire to learn new technologies and business domains. Ability to clearly explain non-trivial systems and algorithms. Ability to follow and understand technical conversations. Know when and how to ask questions that speed up learning. Ability to align your working schedule to US Eastern business hours. Nice to have Experience with financial markets and trading systems. Knowledge of AWS systems. Experience with Spring boot (some teams). Experience with JVM tuning (some teams). Experience working remotely with North American firms. A computer science degree from a top Polish school. The recruitment process Submit your CV. Answer a few written questions and a short programming exercise which you can do at your own pace. Participate in a three-stage interview process: Discuss your experience and skills. Solve verbal algorithm problems (focus on clarity and understanding). Tackle live coding challenges (no trick questions). No take-home assignments – we respect your time. Successful candidates will need to pass a standard background check.

🏢 Summary: Join a cross-functional mission team to build and evolve core-banking technology. The role combines hands-on Java backend development, technical leadership for junior engineers, and collaboration with business stakeholders to deliver secure, scalable, event-driven solutions. 🗂️ Requirements: Practical and theoretical Java expertise, Spring Boot or Micronaut experience, Kubernetes or Docker knowledge, AWS deployment and configuration expertise, Message-driven architecture, Kafka, and event-sourcing knowledge, Agile delivery experience, Experience with highly secure application environments, Ability to mentor engineers and communicate with technical and non-technical stakeholders, Ability to translate business objectives into data-driven insights, Availability for two Warsaw office visits per month 📃 Skills: Java, SpringBoot, Micronaut, Kubernetes, Docker, AWS, Kafka, EventSourcing, Agile 🏢 Description: We’re looking for Java Engineers who will  work in one of the core cross-functional  mission teams, helping to build core-banking  technology. • Deliver as a member of our mission team  to build and develop the technology product • Support and oversee junior engineers and  act as a subject matter expert • Develop clean, elegant, and reusable code  that is well-tested and easy to maintain  and extend • Work with stakeholders across the  business to drive the direction of engineering and put the long-term  interests of customers at the heart of key  decisions • Collaborate across our backend chapter  to uphold standards and best practices,  and to promote innovation • Working collaboratively with the team to  resolve technical issues What makes you a great fit: • Solid practical and theoretical knowledge  of Java software development • Strong experience of Spring Boot /  Micronaut • An understanding of Kubernetes / Docker • An excellent understanding of AWS  (deployment / configuration) • Message-driven architectures / Kafka /  event sourcing • Success delivering within an agile • Experience working on a highly secure  application environment • Ability to act as a subject matter expert  and communicate with clarity and  empathy to both technical and non technical audiences • Understanding how to translate business  objectives into data driven insights • You are available for two visits per month at the Warsaw office

🏢 Summary: Long-term B2B opportunity for an experienced Java Backend Engineer to build scalable, intelligent enterprise digital products and services. The role focuses on modern backend architecture and AI-enabled application development in a hybrid setup. 🗂️ Requirements: Experience in Java backend engineering, Java, Spring Boot, Spring Cloud, Spring Batch, Microservices, REST APIs, GraphQL, Azure Cloud, Azure Cosmos DB, Kafka, OAuth 2.0, Microsoft Entra ID 📃 Skills: Java, Spring, Microservices, REST, GraphQL, Azure, Cosmos, Kafka, OAuth, Entra 🏢 Description: -Senior Java Backend Engineer | Poland | Hybrid | B2B We're looking for an experienced Java Backend Engineer to join a long-term enterprise project focused on building intelligent digital products and services. DCV-Senior Java Backend Engineer-WP/US/Jo/03-08-26 send CV to (marcillina.tietjen@dcvtechnologies.co.uk) Tech Stack Java Spring Boot Spring Cloud Spring Batch Microservices REST APIs GraphQL Azure Cloud Azure Cosmos DB Kafka OAuth 2.0 Microsoft Entra ID Nice to Have Spring AI LangChain AI-powered application development 📍 Poland (Hybrid) 💼 B2B Contract If you enjoy building scalable backend systems and are interested in modern AI-enabled enterprise applications, we'd love to hear from you.

🏢 Summary: Oferta B2B dla doświadczonego Lidera Technicznego Java / Starszego Programisty Backend przy rozwoju i utrzymaniu kluczowych systemów ochrony zdrowia. Rola łączy projektowanie i rozwój backendu Java z technicznym prowadzeniem zespołu, dbaniem o architekturę, jakość kodu i wydajność aplikacji. Stawka wynosi do 170 PLN netto + VAT za godzinę. 🗂️ Requirements: Minimum 5 lat doświadczenia jako Backend Developer Java, Doświadczenie w zarządzaniu lub technicznym prowadzeniu zespołu programistów, Bardzo dobra znajomość Java 8 lub nowszej, Praktyczna znajomość Spring i Spring Boot, Doświadczenie z relacyjnymi bazami danych, Znajomość testów jednostkowych, Doświadczenie z narzędziami statycznej analizy kodu, Znajomość dobrych praktyk projektowania aplikacji backendowych 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, Oracle, MSSQL, JUnit, Mockito, SonarQube, Agile, Scrum 🏢 Description: 📍 Lokalizacja: 100% zdalnie 💼 Forma współpracy: B2B 💰 Stawka: do 170 PLN/h netto + VAT Dołącz do projektu realizowanego dla sektora publicznego, którego celem jest rozwój i utrzymanie kluczowych systemów wspierających ochronę zdrowia w Polsce. Poszukujemy doświadczonego Lidera Technicznego Java / Starszego Programisty Backend, który poza rozwijaniem oprogramowania będzie wspierał zespół programistów, podejmował decyzje techniczne oraz dbał o jakość i architekturę tworzonych rozwiązań. Wymagania: Minimum 5 lat doświadczenia jako Backend Developer (Java). Doświadczenie w zarządzaniu lub technicznym prowadzeniu zespołu programistów. Bardzo dobra znajomość Java 8 lub nowszej. Praktyczna znajomość Spring oraz Spring Boot. Doświadczenie w pracy z relacyjnymi bazami danych (PostgreSQL, Oracle lub MS SQL). Znajomość testów jednostkowych z wykorzystaniem JUnit, Mockito lub podobnych narzędzi. Doświadczenie z narzędziami statycznej analizy kodu (np. SonarQube). Znajomość dobrych praktyk projektowania i tworzenia aplikacji backendowych. Obowiązki: Projektowanie, rozwój i utrzymanie aplikacji backendowych w technologii Java. Pełnienie roli lidera technicznego dla zespołu programistów. Współpraca z analitykami, architektami oraz interesariuszami biznesowymi. Dbanie o wysoką jakość kodu oraz stosowanie dobrych praktyk programistycznych. Udział w przeglądach kodu (Code Review) oraz mentoring członków zespołu. Współpraca z zespołem w metodyce Agile/Scrum. Projektowanie i rozwój architektury backendowej. Rozwiązywanie problemów technicznych oraz optymalizacja wydajności aplikacji. Oferujemy: Stawkę do 170 netto + VAT/h Przelew w dogodnej formie Krótki 14-dniowy termin płatności faktury Bogaty pakiet usług prywatnej opieki medycznej Dostęp do platformy kafeteryjnej MyBenefit (umożliwiającej zamawianie kart Multisport, kart przedpłaconych do Ikea, Zalando, Notino i wielu innych)