Senior Software Engineer (Java)

🏢 Summary: Senior Java Developer role focused on designing and implementing modern, scalable backend and distributed systems within Agile teams. The position involves architectural decisions, technology selection, and ensuring high code quality, security, and reliability in cloud-based environments. 🗂️ Requirements: 7+ years of experience with Java, Experience with Apache Kafka, Practical knowledge of Kubernetes, Experience with Spring and Spring Boot, Experience with Hibernate or MyBatis, Experience with relational or NoSQL databases, Experience with at least one cloud platform: AWS, Google Cloud, Azure, or OpenShift, Experience in building scalable distributed systems, Knowledge of backend architecture and design patterns 📃 Skills: Java, Kafka, Kubernetes, Spring, SpringBoot, Hibernate, MyBatis, SQL, NoSQL, AWS, GCP, Azure, OpenShift, Scrum 🏢 Description: Poszukujemy osoby doświadczonej w roli Senior Java Developer (7y+) / Software Engineer , która dołączy do zespołów realizujących nowoczesne, skalowalne rozwiązania. Zakres obowiązków Projektowanie, architektura oraz wdrażanie nowoczesnych rozwiązań backendowych Dobór i implementacja narzędzi, frameworków oraz wzorców architektonicznych Budowanie skalowalnych i niezawodnych systemów rozproszonych Aktywne śledzenie trendów technologicznych i wdrażanie innowacyjnych rozwiązań Dzielenie się wiedzą i dobrymi praktykami w zespole oraz w organizacji Praca w zespołach Agile (Scrum), udział w planowaniu i refinementach Dbałość o jakość kodu, testy oraz bezpieczeństwo aplikacji Wymagania techniczne (Must have) Bardzo dobra znajomość Java (7y+) Doświadczenie w pracy z Apache Kafka Praktyczna znajomość Kubernetes Frameworki: Spring / Spring Boot Doświadczenie z ORM: Hibernate, MyBatis Praca z relacyjnymi i/lub NoSQL bazami danych Doświadczenie w pracy z chmurą (minimum jedna z): AWS / Google Cloud / Azure / OpenShift Mile widziane (Nice to have) Frontend: ReactJS / Redux, React Native, Angular Konteneryzacja: Docker Wyszukiwarki i silniki indeksujące: ElasticSearch, SOLR Systemy kolejkowe i message brokers Migracje i wersjonowanie schematów DB: Flyway, Liquibase

🏢 Summary: Senior Java Software Engineer role focused on modernizing legacy banking applications and developing microservices for financial transaction and regulatory reporting platforms. The position involves designing Java 17 and Spring Boot solutions, improving observability, and collaborating with global teams in a hybrid Krakow-based work model. 🗂️ Requirements: 5+ years of experience developing and supporting distributed Java systems, Experience designing microservices, Strong knowledge of Java 17, Experience with Spring Boot, Experience with Java frameworks, Experience with DevOps tools, Experience with JIRA, Experience with Confluence, Experience with Ansible, Experience with CI/CD pipelines, Knowledge of REST APIs, Experience with Spring Cloud, Experience with GCP, Experience with Redis, Fluent English, Legal right to work in Europe 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, SpringCloud, GCP, Redis, Ansible, JIRA, Confluence, CI/CD, GitHub, Claude, Angular 🏢 Description: Empower innovation at the forefront of cloud and microservices — shape the future of banking technology. Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Java Software Engineer , you will be working for our client, a global financial services leader dedicated to transforming banking through cutting-edge IT solutions. You’ll contribute to the modernization of legacy Java applications, supporting high-impact financial transactions and regulatory reporting platforms. This role offers you the chance to be part of a dynamic team driving digital innovation and operational excellence. Your main responsibilities: Actively participate in incident, problem, and service management activities, ensuring continuous service delivery. Evergreen legacy Java applications leveraging Github Co-Pilot, Claude Code, and other modern tools. Collaborate closely with business product owners, IT specialists, architects, and management to analyze and translate requirements into technical solutions. Design and develop robust microservices using Java 17 and Spring Boot within an Agile environment. Create observability solutions for monitoring, alerting, incident response, and capacity management, ensuring high system reliability. You're ideal for this role if you have: 5+ years of experience in developing and supporting distributed Java systems. Strong expertise in designing microservices with Java 17 and Spring Boot. Experience with Java frameworks, DevOps tools, and application lifecycle management (e.g., JIRA/Confluence, Ansible, CI/CD pipelines). Proficient in REST APIs, Spring Cloud, GCP, Redis, and related technologies. Excellent analytical and communication skills, capable of working across regions with a global perspective. It is a strong plus if you have: (optional) Knowledge of Angular, vulnerability remediation, or related cloud technologies. Language required for the role: Fluent English, with strong communication skills. Eligibility to work in: Only candidates with an existing legal right to work in Europe 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.

🏢 Summary: Senior Java Engineer role focused on building, modernizing and optimizing enterprise-grade systems with strong emphasis on security, performance and scalability. The position involves backend or fullstack development, resolving security findings, upgrading dependencies, and contributing to architectural decisions in distributed international teams. Projects target critical, high-performance environments with real impact on system reliability and efficiency. 🗂️ Requirements: 5–7+ years of enterprise Java experience, Strong knowledge of Java SE and JEE, Experience with Spring and Spring Boot, Knowledge of JMS and JPA or Hibernate, Experience with TypeScript and Angular (v2+), Understanding of Observables and Redux state management, Experience designing and developing REST APIs, Experience in security analysis and remediation or performance engineering, Knowledge of SQL and relational databases (PostgreSQL, Oracle or SQL Server), Experience with Docker, Knowledge of Kubernetes or OpenShift, Knowledge of OAuth, OIDC and SSO, English level B2+ 📃 Skills: Java, JEE, Spring, SpringBoot, JMS, JPA, Hibernate, TypeScript, Angular, Observables, Redux, REST, SQL, PostgreSQL, Oracle, SQLServer, Docker, Kubernetes, OpenShift, OAuth, OIDC, SSO 🏢 Description: Wobec pojawiających się możliwości szukamy: 🚀 O roli Senior Java Engineera , który dobrze odnajduje się w złożonych systemach enterprise — tam, gdzie naprawdę liczy się bezpieczeństwo, wydajność i skalowalność . W zależności od projektu będziesz: rozwiązywać realne problemy security (findings + remediation) , optymalizować wydajność systemów krytycznych , modernizować i upgrade’ować istniejące rozwiązania, rozwijać backend lub fullstack w środowisku enterprise. Pracujesz blisko architektury i decyzji technicznych, w międzynarodowych, rozproszonych zespołach . 🛠 Twoje zadania rozwój i utrzymanie aplikacji w Java (Spring Boot) projektowanie i rozwój REST API analiza i naprawa problemów bezpieczeństwa upgrade zależności ( Java + TypeScript ) identyfikacja i usuwanie wąskich gardeł wydajnościowych praca z integracjami i wzorcami enterprise współpraca z zespołami globalnymi i interesariuszami udział w decyzjach architektonicznych wsparcie wdrożeń i rozwiązywanie problemów produkcyjnych ✅ Must have 5–7+ lat doświadczenia w Java (enterprise) bardzo dobra znajomość Java SE / JEE doświadczenie z Spring / Spring Boot znajomość JMS, JPA / Hibernate doświadczenie z TypeScript frontend: Angular (v2+) znajomość Observables / Redux (state management) doświadczenie z REST API doświadczenie w jednym z obszarów: security (analiza + remediation) lub performance engineering znajomość SQL (PostgreSQL / Oracle / SQL Server) doświadczenie z Docker znajomość Kubernetes lub OpenShift znajomość OAuth / OIDC / SSO (IAM) doświadczenie w pracy z rozproszonymi zespołami angielski min. B2+ ➕ Mile widziane Apache Camel Kafka Jenkins / Harness CI/CD / DevOps Azure C++ Terraform / IaC doświadczenie w fintech / systemach finansowych doświadczenie z systemami high-performance / data-intensive 💡 Co oferujemy długofalową współpracę realny wpływ na architekturę i decyzje techniczne projekty z naciskiem na security, performance i enterprise elastyczny model pracy (remote-first) międzynarodowe środowisko brak zbędnej korporacyjnej biurokracji 📩 Zainteresowany? Jeśli chcesz rozwiązywać realne problemy inżynieryjne, a nie tylko “zamykać taski” odezwij się.

🏢 Summary: The offer is for a Senior Java Developer to design, develop, and maintain Java-based applications in AWS cloud environments. The role involves building microservices, integrating APIs, ensuring code quality, and resolving performance issues within Agile teams. It focuses on delivering robust, scalable cloud-native solutions using modern Java technologies. 🗂️ Requirements: Proven experience in Java development, Experience with AWS cloud services, Experience developing microservices, Experience with API integration, Knowledge of Agile methodologies, Experience with code testing and code reviews, Ability to troubleshoot and resolve performance issues 📃 Skills: Java, AWS, Spring, Hibernate, Microservices, API, Agile, DevOps 🏢 Description: We are looking for a Senior Java Developer with solid experience in Java and Cloud. The ideal candidate should have exceptional skills in developing and implementing solutions using the latest technologies. Main Responsibilities: Develop and maintain Java-based applications in cloud environments. Collaborate with multidisciplinary teams to design and implement robust solutions. Perform testing and ensure code quality. Participate in code reviews and provide constructive feedback. Identify and resolve application performance issues. Key Requirements: Proven experience in Java development. Familiarity with cloud services (AWS). Knowledge of Agile development practices. Skills in API integration and microservices. Ability to solve problems effectively. Desirable: Experience with DevOps tools. Familiarity with Java frameworks such as Spring or Hibernate. Relevant certifications in Java or Cloud.

🏢 Summary: Senior Java Developer role focused on building, maintaining, and optimizing scalable Java applications for complex financial and enterprise systems in a hybrid Krakow setup. The position involves working with microservices architecture, REST APIs, and databases within an Agile environment. You will contribute to design, development, performance optimization, and technical reviews. 🗂️ Requirements: Minimum 6 years of Java development experience, At least 5 years of experience with Spring and Spring Boot, Strong experience with Microservices architecture, Strong knowledge of REST APIs and integration patterns, Experience with SQL and NoSQL databases, Ability to design application architecture, Experience working in Agile environments 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, SQL, NoSQL, APIs, Architecture, Agile 🏢 Description: 📍 Location: Krakow, hybrid 3 days/week Role: Senior Java Developer Role Description: We are looking for an experienced Java Developer to join technology team. You will be responsible for developing, maintaining, and optimizing Java-based applications that support complex financial systems and enterprise platforms. Key Competencies: Agile way of working and collaboration in cross-functional teams Advanced Java concepts and object-oriented design principles Java API management, RESTful services, and Microservices architecture Database technologies (SQL / NoSQL) and performance optimization Requirements: Minimum 6 years of experience in Java development Strong experience with Spring / Spring Boot and Microservices (5+ years) Good understanding of REST APIs, integration patterns, and application architecture Experience with database technologies and writing efficient queries Ability to work in a team environment and communicate effectively with technical and non-technical stakeholders Experience working in Agile delivery environments Nice-to-Have / Bonus Skills: Experience in production support and troubleshooting Participation in design and architecture reviews Exposure to cloud platforms and modern deployment pipelines Mentoring or leading technical discussions Responsibilities: Design, develop, and maintain scalable Java applications Participate in design and code reviews Troubleshoot issues and optimize system performance Collaborate with business analysts and other teams to deliver solutions Prepare technical documentation and reports as needed

🏢 Summary: Senior Java Microservices Engineer role focused on developing and supporting distributed Java applications in a cloud-enabled financial services environment. The position involves modernizing legacy systems, building microservices solutions, supporting production systems, and driving DevOps and CI/CD practices within an international agile team. 🗂️ Requirements: 5+ years of experience with distributed Java systems, Strong knowledge of Java 17, Experience with Spring Boot, Experience with microservices architecture, Knowledge of DevOps tools, Experience with cloud technologies, Knowledge of GCP, Experience with Jenkins, Experience with Ansible, Ability to work in international teams, Strong analytical and communication skills, Communicative English, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Microservices, GCP, Jenkins, Ansible, DevOps, CI/CD, Angular, Redis, REST, JIRA, Confluence, GitHub, Claude 🏢 Description: Unleash innovation with scalable microservices — drive digital transformation at the forefront of technology. Krakow-based opportunity with hybrid work model (up to 3 remote days/week). As a Senior Java Microservices Engineer – Cloud & DevOps , you will be working for our client, a leading financial services organization committed to modernizing legacy systems and fostering an agile, cloud-enabled environment. You will help develop, support, and evergreen sophisticated Java applications within a dynamic, international team, supporting impactful business solutions and technological excellence. Your main responsibilities: Actively participate in incident, problem, and service management activities to ensure seamless delivery. Evergreen legacy Java applications leveraging Github Co-Pilot, Claude Code, and other cutting-edge tools. Collaborate closely with product owners, IT specialists, and architects to analyze requirements and deliver service-oriented solutions. Design robust technical solutions using modern agile methodologies, emphasizing CI/CD, DevOps, and cloud technologies. Develop observability tools for monitoring, alerting, incident response, and capacity management. Support production systems to maintain high availability and performance. Contribute to the continuous improvement of development and operational processes. You're ideal for this role if you have: Over 5 years of experience in developing and supporting distributed Java systems. Strong expertise in Java 17, Spring Boot, and microservices architecture. Good knowledge of Java frameworks, DevOps tools, and cloud technologies (GCP, Jenkins, Ansible). Proven ability to work across regions while maintaining a global perspective. Excellent analytical skills with clear communication of technical issues. It is a strong plus if you have: Experience with Angular, Redis, REST APIs. Familiarity with application lifecycle tools such as JIRA, Confluence, and vulnerability remediation tools. Language required for the role: Communicative English proficiency. Eligibility to work in: 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.

🏢 Summary: Short-term remote contract for a Senior Engineer with strong Java and SAP expertise to design, develop, and deliver enterprise-grade software solutions. The role focuses on complex problem-solving, solution design, and collaboration within cross-functional teams to ensure high-quality software delivery. 🗂️ Requirements: Strong proficiency in Java, Strong proficiency in SAP, Experience in software design and development, Ability to analyze and resolve complex technical issues, Experience working in cross-functional technical teams, Ability to design and implement software solutions, Fluent written and verbal technical communication 📃 Skills: Java, SAP, SoftwareDevelopment, SolutionDesign, Testing, Troubleshooting, Integration 🏢 Description: Dear Consultant, We are looking for a Senior Engineer – Java and SAP Focus to support development and solution delivery within a complex enterprise environment. The role requires strong technical proficiency, problem-solving skills, and collaboration across teams . Send CV to ( marcillina.tietjen@dcvtechnologies.co.uk ) 📍 Location: Poland / Hungary (Remote) 💼 Contract: 3 Months DCV/TK/HX/14.04.2026 Key Responsibilities Design, develop, test, and maintain software solutions Apply strong problem-solving skills to analyze and resolve complex technical issues Work closely with cross-functional teams including engineering, QA, and product Communicate technical concepts clearly to stakeholders Contribute to solution design and implementation Ensure high-quality delivery of software components Required Skills & Experience Strong technical proficiency in: Java SAP Strong problem-solving and analytical skills Ability to: Break down complex problems Develop effective solutions Strong collaboration and communication skills Experience working in cross-functional teams Clear written and verbal communication Core Competencies Technical Proficiency Problem Solving Skills Collaboration and Communication Continuous Learning and Adaptability

🏢 Summary: Senior Java Developer role focused on building API-first microservices and managing DevSecOps and API Management platforms within product teams. The position involves end-to-end development and maintenance in an Agile environment using modern CI/CD practices. Hybrid B2B collaboration with one day per week in the Warsaw office. 🗂️ Requirements: Minimum 5 years of commercial experience in Java, Experience with Spring Boot, Experience with Spring Data JPA, Minimum 3 years of experience with React (NextJS), Practical knowledge of microservices architecture, Experience with CI/CD pipelines using Gitlab CI, Experience working in Agile teams, English proficiency for technical communication 📃 Skills: Java, SpringBoot, SpringDataJPA, React, NextJS, Microservices, GitlabCI, CICD, API, DevSecOps, Agile, English 🏢 Description: Dla naszego klienta szukamy Programisty Java (senior) (f/m/d). Opis stanowiska: tworzenie oprogramowania umożliwiające wystawienie danych i usług po API tworzenie mikroserwisów i zarządzanie platformami DevSecOps, API Management zgodnie z paradygmatem API First praca w metodykach zwinnych praca w zespołach produktowych, które odpowiadają end-2-end za produkt zarówno w obszarze rozwoju jaki i utrzymania Wymagania: min 5 lat praktycznego doświadczenia pracy w Javie (mile widziane znajomość Kotlin), Spring Boot i Spring Data JPA min 3-letnie doświadczenie pracy w React (NextJS) praktyczna znajomość architektury mikroserwisowej praktyczną znajomość technologii CI/CD: Gitlab CI mile widziana znajomość: technologie konteneryzacji (Kubernetes, Docker), technologie service mesh (istio, anthos), znajomość powłoki systemu Linux doświadczenie w pracy w zespole Agilowym otwartość na nowe technologie oraz rozwiązania, proaktywne podejście, troska o przekazane zadania oraz zaangażowanie w powierzone obszary chęć zrozumienia celów i potrzeb biznesowych język angielski umożliwiający swobodna komunikacje oraz prace z dokumentacją projektową Oferujemy: umowa B2B praca w modelu hybrydowym: 1 x w tygodniu praca w biurze (Chmielna 89, Warszawa) opcjonalnie pakiet medyczny

🏢 Summary: Senior full-stack engineering role focused on building scalable enterprise applications using Java and Angular. The position involves designing and maintaining microservices, APIs, and responsive user interfaces while ensuring high code quality, security, and performance. The role also contributes to CI/CD, DevOps practices, and Agile delivery processes. 🗂️ Requirements: Strong hands-on experience with Java 17+, Experience with Spring Boot and microservices architecture, Solid experience with Angular 14+, Proficiency in TypeScript, HTML, CSS, Experience designing and consuming RESTful APIs, Experience with relational databases (Oracle, SQL Server or PostgreSQL), Familiarity with Git version control, Experience with CI/CD tools (Jenkins, GitHub Actions or similar), Understanding of software development lifecycle and testing frameworks, Experience working in Agile/Scrum environments 📃 Skills: Java, SpringBoot, Angular, TypeScript, HTML, CSS, REST, Microservices, Oracle, SQLServer, PostgreSQL, Git, Jenkins, GitHubActions, CICD, Agile, Scrum 🏢 Description: Overview We are looking for a Senior Associate in Software Engineering with strong full-stack development experience, combining backend expertise in Java with frontend engineering using Angular. The ideal candidate will play a key role in building scalable, high-quality enterprise applications while collaborating closely with cross-functional teams. Key Responsibilities Design, develop, test and maintain full-stack applications using Java (Spring Boot) for backend services and Angular for frontend development. Build and maintain scalable APIs, microservices and responsive user interface components for enterprise platforms. Ensure high standards of performance, code quality, security and reliability by applying engineering best practices. Participate in code reviews, architectural discussions and continuous improvement initiatives. Investigate and resolve production issues, performing root cause analysis and implementing long-term solutions. Contribute to CI/CD pipelines, automated testing frameworks and DevOps practices to enhance software delivery. Integrate applications with databases, messaging systems and internal or third-party enterprise services. Work within Agile/Scrum frameworks and actively contribute to sprint planning, stand-ups and retrospectives. Required Qualifications Strong hands-on experience in Java (version 17 or above), with a focus on Spring Boot and microservices architecture. Solid experience with Angular (version 14 or above), including TypeScript, HTML, CSS and responsive design principles. Good understanding of RESTful APIs, backend integration patterns and secure application development. Experience working with relational databases such as Oracle, SQL Server or PostgreSQL. Familiarity with version control systems such as Git, and CI/CD tools including Jenkins, GitHub Actions or similar. Sound understanding of the software development lifecycle, testing frameworks and Agile methodologies. Strong analytical thinking, problem-solving ability and effective communication skills.

🏢 Summary: Senior Java Software Engineer role focused on architecting and developing scalable SaaS applications for AI-powered data analysis and compliance platforms. The position involves leading technical design, driving best practices, and improving CI/CD and platform quality. The engineer will work across the stack, aligning technical solutions with business needs and ensuring high software quality. 🗂️ Requirements: 5+ years of professional software development experience, 2+ years of experience delivering SaaS products, Proficiency in Java and at least one other language (Python or C#), Strong knowledge of algorithms, data structures, and computational complexity, Experience leading technical design and guiding development teams, Hands-on experience with at least two DevOps platforms: GitHub, Azure DevOps, GitLab, or Jenkins, Experience with CI/CD tooling and developer productivity practices, Ability to design technical solutions from specifications, Experience implementing redundancy and disaster recovery scenarios 📃 Skills: Java, Python, C#, SaaS, Algorithms, DataStructures, GitHub, AzureDevOps, GitLab, Jenkins, CICD, DevOps 🏢 Description: Position: Senior Java Software Engineer Salary: up to 26 000 PLN Form of employment: contract of employment Join our client, which makes software to help users organize data, discover the truth, and act on it. Their SaaS product manages large volumes of data and quickly identifies key issues during litigation and internal investigations. The AI-powered communication surveillance product proactively detects regulatory misconduct like insider trading, collusion, and other non-compliant behavior. They have more than 300,000 users in 49 countries serving thousands of organizations globally. Responsibilities: Architect, design, and develop model-based applications Guide product improvements across schema, framework, and platform Lead the team to best-practice technical design, by example and through collaboration Understand department-wide initiatives and guidelines, work with teams to ensure implementation is aligned with Engineering-wide policies and direction Maintain a backlog of tools or technology enhancements to improve the maintainability and quality of the solutions Encourage teams to work collaboratively by advising and enforcing best practices when needed Stay up-to-date with technologies and best practices related to CI/CD tooling and developer productivity Qualifications: 2+ years of professional experience delivering successful SaaS products. 5+ years of professional experience in software development Strong computer science fundamentals in algorithms, data structures, and computational complexity A self-starter driven to make an impact Strong communication skills, experience leading teams Proficiency in multiple programming languages, e.g, Java, Python, C# Able to learn at multiple levels of the stack – from fine-grained technical implementation to high-level control and data-flow. Comfortable working from Specifications to create a Technical Approach and scoping work Able to consider the Engineering solution in the business context Obsession with software quality and empathy for customer experience In-depth technical understanding and experience with at least two of the following DevOps Platforms: GitHub, Azure DevOps, GitLab, and Jenkins Experience implementing redundancy and disaster recovery scenarios Nice to have: Experience building AI-powered products that use Natural Language Processing or Machine Learning Knowledge of Linux Knowledge of NoSQL database systems such as MongoDB, Redis, and Elasticsearch Fundamental knowledge of Kubernetes and container-based systems Benefits: Comprehensive health, dental, and vision plans Parental leave for primary and secondary caregivers Flexible work arrangements Two, week-long company breaks per year Additional time off Long-term incentive program Training investment program