🇪🇺 Senior Fullstack Engineer with German (B2+) | EU

🏢 Summary: Senior Full Stack Engineer role focused on building scalable and resilient applications within a cross-functional engineering team. The position involves backend and frontend development using modern JavaScript frameworks and enterprise databases, with containerization and CI/CD practices. Available as hybrid or remote engagement across several European countries. 🗂️ Requirements: Experience with Node.js, Experience with React, Strong knowledge of PL/SQL, Experience with Oracle databases, Experience with Docker, Experience with Kubernetes or ECS, Experience with CI/CD pipelines, Experience with Jenkins or GitLab CI or GitHub Actions, Experience with MongoDB or DynamoDB or PostgreSQL 📃 Skills: Node.js, React, PL/SQL, Oracle, Docker, Kubernetes, ECS, CI/CD, Jenkins, GitLab, GitHub, MongoDB, DynamoDB, PostgreSQL 🏢 Description: Dear Consultant, We are looking for an experienced Senior Full Stack Engineer to join a cross-functional engineering team focused on building scalable and resilient applications. 📍 Poland / Romania / Bulgaria / Spain / Czech Republic / Slovakia 🏠 Hybrid / Remote 💼 Employment Contract / B2B (depending on country) Must Have: • Node.js • React • PL/SQL • Oracle databases • Docker • Kubernetes / ECS • CI/CD • Jenkins / GitLab CI / GitHub Actions • MongoDB / DynamoDB / PostgreSQL Nice to Have: • Java / SpringBoot • Kafka • Microservices • Terraform / CloudFormation • GCP / BigQuery • German language 📩 DM me if interested. marcillina.tietjen@dcvtechnologies.co.uk DCV/CKL/JO/Re:18.05.2026

🏢 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 Java Developer role for an enterprise project, focused on building and maintaining cloud-based applications using modern Java and React technologies. The position involves full-stack development, database management, and DevOps practices within a complex enterprise environment. Onsite presence in Krakow is required three days per week. 🗂️ Requirements: 7+ years Java (17+), 5+ years cloud applications development, 5+ years React (18+), Strong TypeScript experience, 7+ years with frameworks and development tools, 5+ years PostgreSQL, 2+ years DevOps, Strong Spring Boot 3 experience, Experience with RDBMS (SQL Server or Oracle), CI/CD pipeline experience 📃 Skills: Java, React, TypeScript, SpringBoot, PostgreSQL, SQLServer, Oracle, RDBMS, CI/CD, DevOps, Azure, Terraform, Docker, Kubernetes, AKS, Linux, CosmosDB, Elasticsearch, AzureCognitiveSearch, Neo4j 🏢 Description: We are hiring a Senior Full Stack Java Developer for an enterprise project in Krakow. 🔹 Mandatory Experience 7+ years Java (Java 17+) 5+ years cloud applications 5+ years React (18+) with TypeScript 7+ years frameworks/tools 5+ years PostgreSQL 2+ years DevOps Spring Boot 3 RDBMS (SQL Server / Oracle) CI/CD pipeline experience 🔹 Desirable Azure + Terraform Docker / Kubernetes / AKS Linux scripting Cosmos DB / Elasticsearch / Azure Cognitive Search / Neo4j 📍 Krakow – 3 days onsite mandatory📩 Send CV to marcillina.tietjen@dcvtechnologies.co.uk

🏢 Summary: Contract role for a Senior Java Backend Developer to design and build scalable backend systems and microservices for a large enterprise digital platform in a hybrid model in Poland. The position focuses on developing RESTful services, integrating external systems, and optimizing distributed applications. Requires strong experience in Java-based microservices architecture and modern DevOps tools. 🗂️ Requirements: 7+ years of Java development experience, Strong expertise in Java 8+, Experience with Spring and related frameworks, Hands-on microservices development, Experience with RESTful APIs and web services, Experience with Kafka or distributed messaging systems, Understanding of SOA principles, Experience with relational or NoSQL databases, Experience with containerization and orchestration, Knowledge of React or advanced JavaScript, Proficiency with Git, Maven, Jenkins, Registration in Poland as self-employed consultant 📃 Skills: Java, Spring, SpringBoot, SpringMVC, JPA, Hibernate, REST, SOAP, HTTP, JSON, XML, Kafka, SQL, NoSQL, Docker, Git, Maven, Jenkins, React, JavaScript 🏢 Description: Dear Consultant, We are seeking an experienced Senior Java Backend Developer to design and build scalable backend systems and microservices for a large enterprise digital platform. Send CV if you are interested and registered in Poland as a self-employed Consultant. (marcillina.tietjen@dcvtechnologies.co.uk) Senior Java Backend Developer – Microservices (Contract) Location: Gdansk or Warsaw, Poland Work Mode: Hybrid – 1 day onsite per week Seniority: 7+ years experience Key Responsibilities • Design and implement backend systems and microservices• Develop RESTful APIs and web services• Participate in architecture reviews and optimisation initiatives• Debug, profile, and optimise applications• Integrate external APIs and services• Write and maintain technical documentation Required Skills & Experience • Strong expertise in Java 8+ • Frameworks: Spring, Spring Boot, Spring MVC, JPA, Hibernate • Microservices development using HTTP, REST, JSON, XML • Messaging and distributed systems experience ( Kafka ) • Strong understanding of SOA principles and web services (REST & SOAP) • Experience with Relational or NoSQL databases • Exposure to containerisation & orchestration technologies • Experience with React or advanced JavaScript • Tools: Docker, Git, Maven, Jenkins

🏢 Summary: Contract Senior Full Stack Engineer role focused on designing and developing scalable Java and Python backend services within a microservices architecture. The position involves building REST APIs, integrations, and automation solutions while contributing to data processing and cloud-based platforms. The role also includes technical leadership and ensuring high-quality architecture and coding standards. 🗂️ Requirements: 6+ years software engineering experience, Strong Java backend development experience, Strong Python backend development experience, Hands-on microservices development, Experience building REST APIs, Experience with Spring Boot, Experience with cloud-based services, Experience designing scalable application architectures, Experience with system integrations and automation, Ability to conduct code reviews and ensure code quality standards 📃 Skills: Java, Python, SpringBoot, Microservices, REST, APIs, Cloud, Automation, Architecture, Integration 🏢 Description: We are looking for an experienced Senior Full Stack Engineer to design and develop scalable backend services and APIs while contributing to modern microservices-based architectures. The role involves building Java and Python-based services , supporting data processing capabilities, and ensuring high-quality application development aligned with architectural standards. The candidate will also provide technical leadership , guide development teams, and ensure adherence to coding and integration standards. Send CV to (marcillina.tietjen@dcvtechnologies.co.uk) 📍 Location: Poland 💼 Experience: Senior Level (6+ years) 📄 Position Type: Contract / B2B Key Responsibilities Design and develop scalable backend services and APIs Build Java and Python-based microservices Develop integrations and automation solutions Contribute to data processing and backend platform capabilities Ensure solutions align with application architecture and platform standards Participate in system design, code reviews, and quality assurance Provide technical leadership and mentorship to developers Collaborate with cross-functional teams to deliver reliable backend systems Ensure adherence to coding standards and best practices Required Skills Backend Development Java Spring Boot Microservices architecture REST API development Full Stack / Integration Python development API development and integrations Automation scripting Cloud services Architecture & Engineering Application architecture Integration patterns Microservices design Code quality and peer reviews Experience Required 6+ years of software engineering experience Strong experience developing Java and Python backend services Hands-on experience building microservices and REST APIs Experience designing scalable application architectures Experience working with cloud-based services and integrations Experience mentoring developers and contributing to technical leadership Ideal Candidate Strong backend engineering background Experience building scalable microservices systems Ability to lead development standards and architecture decisions Comfortable working in **collaborative

🏢 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 FullStack Engineer role focused on designing, building, and maintaining web applications across frontend and backend. The position involves developing React components, implementing backend logic in Java, managing PostgreSQL databases, and working with Azure Functions and CI/CD pipelines. The role includes close collaboration with development teams and active participation in code quality processes. 🗂️ Requirements: 4–5+ years of experience as Full Stack Developer, Strong proficiency in React, Strong proficiency in Java, Strong proficiency in PostgreSQL, Experience with Azure Functions, Experience with CI/CD pipelines, Knowledge of Clean Code principles, Experience with code reviews and testing 📃 Skills: React, Java, PostgreSQL, AzureFunctions, CICD, AzureDevOps, GitHubActions, Jenkins, CleanCode, Testing 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior FullStack Engineer Responsibilities: Designing, building, and maintaining web applications (frontend + backend) Building and developing components in React Implementing backend logic in Java Working with PostgreSQL databases Building and developing Azure Functions Collaborating on the development and maintenance of CI/CD pipelines Collaborating with the project team (dev, QA, architecture) Participating in code reviews and ensuring code quality Requirements: At least 4–5 years of experience as a Full Stack Developer Strong proficiency in: React (frontend), Java (backend), and PostgreSQL Experience with: Azure Functions, CI/CD pipelines (e.g., Azure DevOps, GitHub Actions, Jenkins) Knowledge of software development best practices (Clean Code, code review, testing) Ability to work in an Agile/Scrum environment Good command of English (min. B2) Nice to have: Experience working in a cloud environment (Azure) Knowledge of microservices architecture Experience with enterprise projects Offer: Private medical care Co-financing for the sports card Training & learning opportunities Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior / Middle Full Stack Engineer role focused on maintaining and evolving a custom invoicing solution built on Oracle Forms, ensuring operational reliability and gradual modernization of legacy components. The position involves full lifecycle development, technical decision-making, and building scalable, resilient systems within a SAFe agile environment. The engineer will collaborate cross-functionally while delivering high-quality full-stack solutions. 🗂️ Requirements: 3+ years (Middle) or 5+ years (Senior) experience in full-stack web development, Strong knowledge of Java and Spring, Experience with REST API development, Experience with jUnit and Swagger, Experience working with XML and JSON, Experience with IntelliJ, Jenkins, and Git, Experience with Kafka, Experience with Angular including TypeScript, HTML, and CSS, Experience with Node.js, Strong SQL skills, Experience with Oracle, PostgreSQL, or MongoDB, Minimum 2+ years experience with PL/SQL and Oracle DB, Experience with Agile methodologies (SAFe, Scrum), Experience with Jira and Confluence, German language proficiency (B2/C1), Upper-intermediate or higher English level 📃 Skills: Java, Spring, REST, jUnit, Swagger, XML, JSON, IntelliJ, Jenkins, Git, Kafka, Angular, TypeScript, HTML, CSS, Node.js, SQL, Oracle, PostgreSQL, MongoDB, PLSQL, SAFe, Scrum, Jira, Confluence 🏢 Description: About the role: As a Senior / Middle Full Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Together, we will work on the project supporting the operational reliability and long-term evolution of a custom invoicing solution built on Oracle Forms, with plans to eliminate legacy components by 2030. 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 applications ·  Drive technical decisions and promote best practices in coding, testing, and deployment ·  Collaborate closely with Product and Design to translate business requirements into technical solutions ·  Identify and address technical debt, performance bottlenecks, and areas for improvement ·  Mentor and guide team members to foster technical excellence and continuous improvement Requirements: ·  5+ (for Senior) / 3+ years (for Middle) of professional experience in full-stack web development ·  Strong knowledge of Java / Spring with experience in REST API, jUnit, Swagger, XML/JSON, and tools such as IntelliJ, Jenkins, and Git; Kafka · Angular , including TypeScript, HTML/CSS, and Node.js · Strong SQL skills and experience with Oracle, PostgreSQL, or MongoDB; · Experience of PL/SQL, Oracle DB (2+ years of exp) ·  Experience with Agile methodologies such as SAFe and Scrum, and tools like Jira / Confluence · Fluent German (B2/C1) in a professional context · Upper-intermediate or higher level of English Desirable: ·  Experience with Docker / Kubernetes / AWS for deployment and cloud-native applications ·  Familiarity with monitoring and logging tools such as Grafana / Splunk ·  Experience with test automation using Robot Framework ✅ Benefits: Work with modern technologies and international teams Long-term and stable cooperation Professional growth opportunities 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Remote role focused on building scalable backend systems and AI-oriented architecture within a modern cloud-native environment, with a strong emphasis on backend engineering and distributed systems. The position involves 70% backend and AI architecture work and 30% frontend development using Angular. The project follows a two-stage interview process with the client and partner organization. 🗂️ Requirements: Strong experience in Python development, Experience with FastAPI framework, Proficiency in system design, Experience in backend engineering, Knowledge of distributed systems, Experience with microservices architecture, Ability to develop frontend applications using Angular, Experience with cloud-native development environments 📃 Skills: Python, FastAPI, Angular, Microservices, DistributedSystems, SystemDesign, Backend, Cloud, AI 🏢 Description: Dear Consultant, Join a global technology engineering project focused on scalable backend systems, AI-oriented architecture, and modern cloud-native development environments. Please share CV marcillina.tietjen@dcvtechnologies.co.uk if interested. 📍 Fully Remote Tech Stack • Python • FastAPI • System Design • Angular • Backend Engineering • Distributed Systems • Microservices ⚙️ Role Split: 70% Backend & AI Architecture 30% Frontend (Angular) 2-stage interview process with Virtusa and the end client. DM if interested.

🏢 Summary: Senior Java Full Stack Engineer role focused on end-to-end development of innovative applications within a global shipping services domain. The position covers full ownership of the development lifecycle, including architecture, DevOps, and XP-based remote pairing. It requires strong expertise in Java, Spring, React, microservices, and cloud-native technologies. 🗂️ Requirements: BS degree in Computer Science or equivalent experience, 5-6+ years of full-stack development experience, 5-6+ years of experience with Java and Spring, Experience with Functional Programming and Java Streams, 2+ years of front-end development with React, Experience with Reactive UI (Reactive JS), 2+ years of TDD/BDD using Junit, Jasmin, Mockito, Protractor or Selenium, 2+ years of experience with microservices architecture (Spring Boot/Cloud), Experience with DevOps practices and Jenkins, Experience designing and deploying cloud or hybrid solutions, Experience with container-based environments (Kubernetes, Cloud Foundry), Familiarity with microservices design concepts (service discovery, circuit breaker), Good English communication skills 📃 Skills: Java, Spring, React, JavaScript, Junit, Jasmin, Mockito, Protractor, Selenium, SpringBoot, SpringCloud, Kotlin, Jenkins, Kubernetes, CloudFoundry, Microservices, TDD, BDD 🏢 Description: We are looking for an experienced Senior Java Full Stack Engineer to join our development team. Our customer – integrated Shipping Services has set itself apart as an independent carrier with a fresh, unique approach. His strategy as a global niche carrier offers distinctive advantages to customers worldwide. We have created a smart, efficient network that ensures stable, reliable services, and we have made it our mission to focus on the needs of our customers, which stand at the heart of all our decisions. The main idea of our product operates in select trades, where it has a competitive advantage and where it can provide superior service. We maintain a flexible partnership approach with other major carriers, and our new line structure is a much-needed alternative to customers concerned about the current alliance-dominated market. Responsibilities: Hands-on full-stack development of innovative applications Owning the entire development cycle, including design, architecture, development, and DevOps Working in XP with Remote pairing Requirements: BS degree in Computer Science or equivalent combination of education and experience 5-6+ years of full-stack development 5-6+ years of experience in the following technologies: Java, Spring Experience with Functional Programming and Java Streams 2+ years of experience in front-end development with React Experience with developing a reactive UI (Reactive JS) 2+ years of experience in TDD/BDD development in the following frameworks: Junit, Jasmin, Mockito, Protractor/Selenium 2+ years of experience in micro-services-based architecture and tools (Spring Boot/Cloud) Experience in DevOps development and Jenkins Experience in development in Kotlin – an advantage Experience in designing, developing, and deploying cloud/hybrid-based solutions Experience in developing and deploying in container-based environments (Kubernetes, Cloud Foundry) Familiarity with the following design concepts: micro-services, service discovery, circuit breaker Self-starter with the ability to appropriately prioritize and plan complex work in a rapidly changing environment Versatility and the capability to switch easily between different tasks and technologies Experience in assessing a broad range of information solutions and products Strong critical thinker with problem-solving aptitude Good English - verbal and written We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits *not applicable for freelancers