Senior / Middle Full Stack Engineer | fluent German

🏢 Summary: B2B contract role for a Senior Full Stack Engineer to ensure the operational reliability and modernization of a legacy Oracle Forms–based invoicing system within a SAFe environment. The position involves architecting and implementing scalable solutions, driving technical decisions, and supporting the gradual replacement of Oracle developments through 2030. The engineer will work closely with cross-functional teams across the full development lifecycle. 🗂️ Requirements: 5+ years of full-stack web development experience, Experience designing scalable distributed systems, Strong Java and Spring expertise, Experience building and consuming REST APIs, Proficiency with Angular and TypeScript, Strong SQL and database experience, Experience with Oracle, PostgreSQL or MongoDB, Hands-on experience with Git and Jenkins, Knowledge of SAFe or Scrum methodologies, Fluent German (B2/C1), Upper-intermediate English (B2+) 📃 Skills: Java, Spring, REST, jUnit, Swagger, XML, JSON, IntelliJ, Jenkins, Git, Angular, TypeScript, HTML, CSS, Nodejs, SQL, Oracle, PostgreSQL, MongoDB, SAFe, Scrum, Jira, Confluence, Kafka, PLSQL, Docker, Kubernetes, AWS, Grafana, Splunk, RobotFramework, OracleForms 🏢 Description: Senior Full Stack Engineer Client: Postal service company Contract: B2B Language: German and English required (B2) About the role: As a Senior Full Stack Engineer, you will be a key technical contributor within the team, which currently consists of eight people. Your role will be focused on supporting the operational reliability of our existing invoicing solution. This solution is a custom development based on Oracle Forms. The long-term goal is to eliminate or replace all Oracle developments by 2030, and this position may be needed until then, with annual contract extensions. You will be working closely with the Product Owner and Scrum Master , and two other teams. The teams work together and follow the SAFe agile method. Your role will be pivotal in all stages of the development lifecycle, from architecting solutions and making key technical decisions to mentoring team members and ensuring the delivery of high-quality, scalable features. Responsibilities: · Support and ensure the operational reliability of the invoicing solution · Design and implement scalable, resilient, and maintainable systems for our applications · Drive technical decisions and promote best practices in coding, testing, and deployment · Collaborate closely with Product and Design to translate business requirements into robust technical solutions · Proactively identify and address technical debt, performance bottlenecks, and areas for system improvement · Mentor and guide team members, fostering a culture of technical excellence and continuous improvement Requirements: · 5+ years of professional experience in full-stack web development · Proven experience in designing and architecting scalable, distributed systems · Strong knowledge of Java / Spring with experience in REST API, jUnit, Swagger, XML/JSON , and development tools like IntelliJ, Jenkins, and Git · Proficient with Angular, including TypeScript, HTML/CSS, and Node.js · Strong SQL skills and experience with databases such as Oracle, PostgreSQL, or MongoDB · Experience with agile methodologies (SAFe, Scrum), as well as project management and documentation tools like Jira / Confluence · Fluent in German (B2/C1), both written and spoken, in a professional context · Upper-intermediate or higher level of spoken and written English Desirable: · Experience with Kafka for event-streaming and microservices architectures · Knowledge of PL/SQL / Oracle DB is a plus, given the context of replacing legacy systems · Experience with Docker / Kubernetes / AWS for deployment and cloud-native applications · Familiarity with monitoring and logging tools like Grafana / Splunk · Experience with test automation using Robot Framework 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Senior Full Stack Developer role focused on designing and implementing high-quality Java-based applications within a microservices architecture. The position involves backend development with Spring Boot, database integration, containerized deployments, and collaboration in an agile team environment. The role emphasizes code quality, operational excellence, and modern DevOps practices. 🗂️ Requirements: 5-6 years of experience in software development, Proven experience with Java, Experience with Spring or Quarkus, Strong proficiency in relational databases, Experience with Docker, Experience with Kubernetes, Experience with GitLab, Experience with Maven, English level B2 or higher 📃 Skills: Java, Spring, Quarkus, SQL, Oracle, Postgres, Docker, Kubernetes, GitLab, Maven, Angular, Kafka, ActiveMQ, Helm, Microservices 🏢 Description: Summary The purpose of the Senior Full Stack Developer role is to design and implement high-quality software solutions while collaborating within a team. This position focuses on leveraging a well-defined technology stack and ensuring the operational excellence of applications. Responsibilities: Develop and maintain robust applications using JAVA and Spring Boot. Work on microservices architecture. Manage application deployment using Helm Charts. Collaborate effectively with team members and communicate openly. Ensure code quality and adhere to best practices in software development. Maintain knowledge of UI frameworks, particularly Angular. Utilize messaging systems like ActiveMQ or event platforms like Kafka as needed. Handle relational databases (e.g., Oracle, Postgres). Must Haves: Proven experience with Java and Spring (or Quarkus). Strong proficiency in relational databases. Minimum of 5-6 years of working experience. Familiarity with Docker, Kubernetes, GitLab, and Maven. Nice to Haves: Experience with Angular UI frameworks. Knowledge of microservices. Experience with message brokers like ActiveMQ or event-streaming platforms like Kafka. Fluency in German. Other Details: Language Proficiency: English (B2 level), German is desirable. Soft Skills: Team player, proactive communication, self-organization. Responsibility: Accountability and ownership for projects. Interest: Engagement in the business field of taxes.

🏢 Summary: Senior Fullstack Developer role focused on designing and building secure, scalable microservices and modern SPA applications in an international environment. The position is hands-on, backend-oriented with active frontend development, emphasizing high code quality, event-driven architecture, and strong security standards. The role includes architecture contribution, CI/CD implementation, and maintaining large-scale systems. 🗂️ Requirements: Strong fullstack development experience (backend and frontend), Senior-level hands-on coding experience, Expertise in Java 17–21, Experience with Spring Boot 3.x microservices, Experience with Kafka and event-driven architecture, Strong SQL knowledge (Oracle), Experience with Redis, Experience with Angular SPA development, Strong TypeScript knowledge, Knowledge of Node.js, Understanding of DDD, Knowledge of web security principles, Experience with OIDC and OAuth2, Experience with CI/CD pipelines, Experience with large-scale applications, Fluent English, Availability to work from Warsaw office 2x/week 📃 Skills: Java, SpringBoot, Kafka, SQL, Oracle, Redis, DDD, Node.js, TypeScript, Angular, Webpack, OIDC, OAuth2, OWASP, Git, GitLab, Jenkins, Maven, Docker, Kubernetes, IntelliJ, VSCode, Jira, Confluence, Python, CICD 🏢 Description: Mission & Responsibilities As a Senior Fullstack Developer, you will design, build, and maintain modern, secure, and scalable applications that support critical business processes. You will work hands-on across both backend and frontend, contributing directly to software development rather than people management. Your mission is to ensure service continuity, high code quality, and alignment with business and security standards, while actively collaborating with international stakeholders in an English-speaking environment. Key Responsibilities Design, develop, and maintain fullstack applications (backend-focused with modern frontend) Build secure, scalable, maintainable, and testable software Develop Java-based microservices using Spring Boot Contribute to Single Page Applications (SPA) development Collaborate with business and technical stakeholders on requirements Participate in architecture design and technical decisions Integrate systems using event-driven architectures (Kafka) Optimize and maintain existing codebases Implement automated testing and CI/CD pipelines Ensure application security (authentication, identity management) Maintain technical documentation Share best practices within developer communities Continuously improve skills and stay up to date with modern technologies Requirements Backend & Architecture Java 17–21 (modern Java, no legacy) Spring Boot 3.x (microservices) Kafka (event-driven systems) SQL (Oracle) Redis (experience or strong understanding) Domain Driven Design (DDD) Frontend Node.js TypeScript Angular (SPA development) Strong knowledge of Angular best practices Webpack (nice to have) Security Strong web security knowledge OIDC & OAuth2 Identity management platforms (nice to have) OWASP awareness (certifications are a plus) DevOps & Tools Git CI/CD: GitLab CI (Jenkins nice to have) Maven (nice to have) Docker & Kubernetes (nice to have) IntelliJ, VS Code Jira & Confluence Additional Python (nice to have) AI-based coding tools (nice to have) Ways of Working Agile (Scrum, Kanban) DevOps mindset Distributed, international collaboration Soft Skills Strong teamwork and collaboration Analytical and problem-solving mindset Independent work on complex topics Adaptability and results-driven attitude Continuous learning mindset Candidate Profile (Must-have) Strong fullstack experience (backend-only profiles will not be considered) Senior-level hands-on developer (not a manager or lead) Experience with large-scale applications Excellent English communication skills Willingness to work from the office in Warsaw 2x/week If you're a hands-on engineer who enjoys building high-quality systems and working in an international environment — we’d love to hear from you.

🏢 Summary: Senior Java Developer role in an agile, international team focused on designing and building cloud-based backend and fullstack solutions. The position involves architecting scalable systems, ensuring high code quality, and contributing to CI/CD and DevOps practices. The role also includes technical leadership and collaboration with cross-functional teams to deliver secure, high-performance applications. 🗂️ Requirements: Expert knowledge of Java for backend and fullstack development, Experience architecting cloud-based SaaS solutions, Proficiency in automated testing and CI/CD pipelines, Experience with version control systems, Ability to deliver secure and scalable code, Bachelor’s degree in Computer Science, Engineering or related field with 5+ years of experience OR 9+ years of relevant industry experience 📃 Skills: Java, SaaS, CI/CD, Git, AWS, GCP, Azure, Docker, Kubernetes, TypeScript, Python 🏢 Description: About the Role: We are looking for a Senior Java Developer to join an agile, international engineering team working on cloud-based solutions serving diverse industries. As a technical leader, you will design, build, and maintain robust backend and fullstack systems, impacting both product performance and business outcomes. Must Have Expert knowledge of Java (backend/fullstack web development) Experience architecting cloud-based solutions (SaaS platforms or similar) Proficiency in automated testing, deployment pipelines, version control, and CI/CD practices Strong command of English for daily teamwork in multicultural environments Demonstrated ability to deliver secure, scalable, high-quality code Bachelor’s degree in Computer Science, Engineering, or related field with 5+ years of professional experience, OR 9+ years’ relevant industry experience (without degree) Nice to Have Exposure to other technologies (TypeScript, Python, etc.) Experience working with multiple data models and integrating acquired codebases Previous engagement in Agile/Scrum teams (sprint planning, retrospectives, hackathons) Background in industries like energy, IoT, finance, or regulated environments Familiarity with modern cloud platforms (AWS, GCP, Azure) and DevOps practices (Docker, Kubernetes) Your Profile Tech Enthusiast: Keen to learn and apply emerging technologies and best practices Analytical Thinker: Able to define requirements and design effective solutions to complex challenges Product Mindset: Understands how technical decisions influence user experience and business drivers Team Player: Works well in autonomous, distributed teams and supports collaborative engineering culture Key Responsibilities Design and develop Java-based backend and fullstack features for cloud-based applications Contribute to scalable, unified system architectures and help integrate diverse platforms and technologies Write and maintain high-performance, secure code and automated tests to ensure product quality Participate in sprint planning, code reviews, retrospectives, and technical discussions Work closely with product managers and business stakeholders to align technical development with commercial goals Mentor junior engineers and promote continuous improvement in team processes Ready for your next challenge? Send your CV detailing your experience in Java, cloud technologies, and agile teams. Tell us about your approach to system architecture and cross-team collaboration!

🏢 Summary: Long-term Senior Fullstack Engineer role in a large postal/logistics environment, focused on developing and maintaining fullstack applications using Java/Spring and Angular. The position involves building RESTful services, working with multiple databases, and contributing within an agile SAFe/Scrum setup. 🗂️ Requirements: 5+ years fullstack development experience, Strong Java and Spring expertise, Strong Angular and TypeScript experience, Experience building REST APIs, Experience with SQL databases, Knowledge of Oracle PostgreSQL or MongoDB, Experience with Jenkins and Git, Experience working in SAFe or Scrum, German B2 or higher, English proficiency 📃 Skills: Java, Spring, Angular, TypeScript, REST, Swagger, SQL, Oracle, PostgreSQL, MongoDB, Jenkins, Git, SAFe, Scrum, Kafka, Microservices, PLSQL, Docker, Kubernetes, AWS, Grafana, Splunk 🏢 Description: Dear Consultant, We are hiring a Senior Fullstack Engineer for a long-term project within a large postal/logistics environment. 💻 Tech Stack: • Java / Spring • Angular / TypeScript • REST API / Swagger • SQL / Oracle / PostgreSQL / MongoDB • Jenkins / Git • SAFe / Scrum ⭐ Nice to Have: Kafka, Microservices, PL/SQL, Docker, Kubernetes, AWS, Grafana, Splunk ✅ 5+ years experience ✅ German B2/B2+ mandatory ✅ English required 📍 EU-based Preferred locations: Poland, Romania, Bulgaria, Czechia, Slovakia, Spain ⏳ Long-term project with yearly extensions Interested? DM me directly. (marcillina.tietjen@dcvtechnologies.co.uk

🏢 Summary: Contract B2B Fullstack Developer role (hybrid in Wroclaw) focused on building and maintaining enterprise-grade financial platforms using Java/Spring Boot and Angular. The position involves developing microservices, scalable APIs, and responsive UI components while contributing to CI/CD and DevOps practices. The role requires ensuring high performance, security, and reliability within Agile teams. 🗂️ Requirements: Strong experience in Java 17/21+, Strong experience with Spring Boot, Experience with microservices architecture, Solid experience in Angular 14/16+, Experience with TypeScript, HTML, CSS, Experience building REST APIs, Experience with relational databases (Oracle, SQL Server, or PostgreSQL), Experience with Git, Experience with CI/CD tools (Jenkins or GitHub Actions), Understanding of secure application design, Experience working in Agile/Scrum 📃 Skills: Java, Spring, SpringBoot, Angular, TypeScript, HTML, CSS, REST, Microservices, Oracle, SQLServer, PostgreSQL, Git, Jenkins, GitHubActions, CI/CD, Agile, Scrum 🏢 Description: We are looking for a talented and experienced Fullstack Developer to join our growing team at a global leader in financial services platforms. Work mode: Hybrid, 3 days from office in Wroclaw, Poland Type of contract: Contract: B2B only ( 1 year with extensions) Key Responsibilities: Design, develop, test, and maintain full-stack applications using Java/Spring Boot on the backend and Angular on the frontend. Build scalable APIs, microservices, and UI components for enterprise-grade platforms. Ensure application performance, code quality, security, and reliability through best engineering practices. Participate in code reviews, design discussions, and continuous improvement initiatives. Troubleshoot production issues, perform root cause analysis, and implement sustainable fixes. Contribute to CI/CD pipelines , automated testing, and DevOps practices to improve software delivery. Support integration with databases, messaging systems, and third-party/internal enterprise services. Follow Agile/Scrum practices and actively participate in sprint ceremonies. Required Qualifications: Strong hands-on experience in Java  ( 17/21+) development , with Spring Boot and microservices architecture. Solid experience in Angular ( 14/16+) , TypeScript, HTML, CSS, and responsive UI development. Good understanding of REST APIs, backend integration patterns, and secure application design. Experience with relational databases such as Oracle, SQL Server, or PostgreSQL. Familiarity with source control tools such as Git, and CI/CD tools such as Jenkins, GitHub Actions, or similar. Understanding software development lifecycle, testing frameworks, and Agile methodologies. Strong analytical, problem-solving, and communication skills. Experience with version control systems, preferably Git. Benefits: Collaborative and supportive team culture Opportunity to work with global teams and stakeholders Exposure to innovative 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: Senior Full-stack Engineer role focused on building and scaling a modern B2B SaaS platform for subscription-based e-commerce. The position involves end-to-end feature delivery, architectural decisions, and improving system scalability and reliability. High-impact role with strong ownership over technical direction and product evolution. 🗂️ Requirements: 7+ years engineering experience in complex systems, Strong system design skills, Experience designing scalable architectures, Full-stack development experience, Experience building SaaS platforms, Experience with e-commerce systems 📃 Skills: JavaScript, TypeScript, SaaS, Architecture, Scalability, Reliability, APIs, Ecommerce, Payments, Cloud 🏢 Description: Senior Full-stack Engineer Our client is building a modern B2B SaaS platform that enables businesses to launch and scale subscription-based models for physical and digital products. The product sits at the intersection of e-commerce, payments, and developer tooling, with a strong focus on extensibility and developer experience. The team is lean, senior, and highly experienced, backed by strong investors and industry advisors. They operate with high autonomy, fast execution, and strong ownership culture. Role We are looking for a Senior Full-stack Engineer to help shape the next evolution of the platform. You will work across architecture, product, and infrastructure, focusing on scalability, reliability, and developer experience. This is a high-impact role where you will influence both technical direction and product decisions. Responsibilities Build and evolve a scalable SaaS platform Design and deliver new features end-to-end Improve performance, reliability, and system architecture Collaborate with product, design, and growth teams Requirements 7+ years of engineering experience in complex systems Strong architectural and system design skills Ability to choose appropriate technologies per problem Experience working in cross-functional teams Strong communication in Polish and English Startup mindset: ownership, speed, adaptability Experience with e-commerce platforms is a plus Offer High-impact role in a senior engineering team with real product ownership and influence. Competitive salary plus ESOP, fully remote work (Poland), regular team offsites, and modern tooling including MacBook Pro and AI credits. Direct access to founders, investors, and advisors.

🏢 Summary: Senior Full-Stack Developer role focused on developing and enhancing a modern web application in a full-stack environment. The position involves implementing functional requirements, contributing to software architecture, and ensuring high code quality within an agile team. Remote B2B contract on an international project. 🗂️ Requirements: Several years of experience in Java development, Experience with SpringBoot or JakartaEE or MicroProfile, Experience with modern frontend frameworks, Strong knowledge of frontend and backend web development, Understanding of software architecture principles, Knowledge of clean code principles, Experience working in Scrum or Kanban environments 📃 Skills: Java, SpringBoot, JakartaEE, MicroProfile, Vue, React, Angular, Web, Frontend, Backend, Architecture, CleanCode, Scrum, Kanban 🏢 Description: Summary The role of a Senior Full-Stack Developer is essential for enhancing the functionality of a modern web application, contributing to both frontend and backend development to meet user requirements effectively. What we offer: Remote Role B2B Contract Big International project Rate: 42-45 euro/hour +VAT Main Responsibilities: Development and further enhancement of a modern web application in a full-stack environment. Implementation of functional requirements (user stories) within an agile team. Contribution to the design and further development of the software architecture. Ensuring code quality and maintainability. Close collaboration with other developers and business stakeholders. Key Requirements: Several years of professional experience in software development with Java (e.g. Spring Boot or Jakarta EE / MicroProfile). Experience with modern frontend frameworks (e.g. Vue.js, React, or Angular). Solid knowledge of web application development (frontend & backend). Understanding of software architecture and clean code principles. Experience working in agile teams (e.g. Scrum or Kanban). Self-driven and structured working style, as well as strong teamwork skills.

🏢 Summary: Senior Full-Stack Developer role focused on enhancing and developing a modern web application across frontend and backend. The position involves implementing user stories, contributing to software architecture, and ensuring high code quality within an agile team. Remote B2B contract on an international project. 🗂️ Requirements: Several years of experience in Java development, Experience with Spring Boot or Jakarta EE or MicroProfile, Experience with modern frontend frameworks (Vue.js or React or Angular), Strong knowledge of frontend and backend web application development, Understanding of software architecture principles, Knowledge of clean code practices, Experience working in Scrum or Kanban environments 📃 Skills: Java, Spring, SpringBoot, JakartaEE, MicroProfile, Vue, React, Angular, HTML, CSS, JavaScript, Scrum, Kanban 🏢 Description: Summary: The role of a Senior Full-Stack Developer is essential for enhancing the functionality of a modern web application, contributing to both frontend and backend development to meet user requirements effectively. What we offer: Remote Role B2B Contract Big International project Rate: 42-45 euro/hour +VAT Main Responsibilities: Development and further enhancement of a modern web application in a full-stack environment. Implementation of functional requirements (user stories) within an agile team. Contribution to the design and further development of the software architecture. Ensuring code quality and maintainability. Close collaboration with other developers and business stakeholders. Key Requirements: Several years of professional experience in software development with Java (e.g. Spring Boot or Jakarta EE / MicroProfile). Experience with modern frontend frameworks (e.g. Vue.js, React, or Angular). Solid knowledge of web application development (frontend & backend). Understanding of software architecture and clean code principles. Experience working in agile teams (e.g. Scrum or Kanban). Self-driven and structured working style, as well as strong teamwork skills.

🏢 Summary: Senior FullStack Developer role focused on developing and modernizing a large-scale corporate banking platform. The position involves building and maintaining backend services and Angular frontend components, delivering new features, fixing defects, and supporting production systems within a microservices and monolithic architecture. The role includes active participation in system modernization and REST API development in an Agile environment. 🗂️ Requirements: 5+ years commercial experience with Java 7/8, Experience with Spring Framework and Spring Boot, Experience with Maven, Experience with SQL, Experience with Git, Experience with JSP, Experience with JavaScript, Experience designing and developing REST APIs, Experience in backend service design and implementation, Strong knowledge of unit testing practices, 2+ years experience with Angular, Experience with Jasmine, Experience working with legacy code, Experience working in Agile environment 📃 Skills: Java, Spring, SpringBoot, Maven, SQL, Git, JSP, JavaScript, Angular, Jasmine, REST, Microservices, Agile 🏢 Description: About the Project We are looking for an experienced Senior FullStack Developer to join an international team working on a large-scale corporate banking platform. The application enables corporate clients to manage accounts, execute payments and transfers, handle files and confirmations, and perform a variety of banking operations through a secure online portal. As part of the development team, you will be responsible for maintaining and enhancing a business-critical application, including the delivery of new features, bug fixes, production incident resolution, and implementation of regulatory and business-driven changes. The system consists of both microservices and monolithic components. The team is currently on a modernization journey, gradually transforming the existing platform into a more modern architecture. The working language is English, and the team follows SAFe Agile principles. Responsibilities Design and implement backend services based on business and technical requirements. Develop and maintain REST APIs. Contribute to frontend development using Angular. Write and maintain unit tests. Analyze, maintain, and enhance existing code, including legacy components. Collaborate with cross-functional and international teams. Participate in system modernization and architectural improvements. Support production systems and troubleshoot issues when required. Requirements Must Have 5+ years of commercial experience with: Java 7/8 Spring Framework Spring Boot Maven SQL Git JSP JavaScript Experience in designing and developing REST APIs. Experience in backend service design and implementation based on specifications. Strong understanding of unit testing practices. 2+ years of experience with: Angular Jasmine Experience working in an Agile environment. Willingness to analyze and work with legacy code. Strong communication and collaboration skills. Fluent English (spoken and written). Nice to Have Knowledge of SOLID principles. Familiarity with software design patterns. What We Offer Opportunity to work on a large-scale enterprise platform within the financial sector. Participation in system modernization and transformation initiatives. International and collaborative work environment. Long-term cooperation in a stable project. Exposure to both modern and legacy technologies. Real impact on technical solutions and product development.