.NET Backend Developer

🏢 Summary: Hybrid Backend Developer role focused on building, testing, and maintaining reliable digital banking services in an agile team. The offer combines Java microservices development with ownership of test automation and backend quality, plus occasional business analysis support. Work is hybrid in Warsaw, with a long-term B2B engagement and a rate of up to 160 PLN net plus VAT per hour. 🗂️ Requirements: Java 21+, REST API and microservices development, Spring Boot 3.4 and Spring WebFlux, Hibernate, Git, Maven and Jenkins, Oracle DB, DB2 and SQL, SOLID principles, Test automation, Performance, unit, integration and API testing, Cucumber and WireMock, AI tools 📃 Skills: Java, REST, Microservices, SpringBoot, WebFlux, Hibernate, Git, Maven, Jenkins, Oracle, DB2, SQL, JUnit5, Cucumber, WireMock, AI 🏢 Description: General info: Model of work: hybrid (3 days work from office Warsaw) Type of contract: B2B, long-term cooperations Rate: up to 160 PLN nett + vat/ hour Introduction & Summary Looking for an experienced Backend Developer with a strong focus on testing and a willingness to engage in a blended capability role. This position offers the opportunity to work within an agile team while driving the quality and reliability of digital banking solutions. Main Responsibilities Design, develop, test, and maintain backend services that power our digital banking platforms. Drive backend testing activities within a dedicated agile team, ensuring high-quality, reliable, and scalable solutions. Collaborate closely with business stakeholders to understand requirements and contribute to solution design. Support analysis activities when needed, helping to translate business needs into technical solutions. Leverage AI-powered tools as part of daily development, testing, and delivery practices. Contribute to the full product lifecycle, from technical design and implementation to continuous improvement and operational support. Work collaboratively within a cross-functional agile team to deliver customer-focused digital banking services. Key Requirements Proficient in Java 21+, Rest API, and microservices. Experience with Spring Boot 3.4, Spring WebFlux, Hibernate, Git, Maven, Jenkins, Oracle DB/DB2/SQL, and Junit5. Knowledge of SOLID principles. Proficient in test automation, performance, unit, integration, and API testing. Familiarity with tools like Cucumber and WireMock. Experience in using AI tools. Nice to Have Frontend experience with JavaScript, TypeScript, Angular 2+, and Angular.JS. Familiarity with Playwright and qTest. ISTQB Foundation certification. Experience with Gherkin.

🏢 Summary: Backend Engineer role focused on building AI-centric digital products for employees and HR stakeholders. The position involves Java/Spring Boot microservices development, API and cloud integration, production observability, and maintaining secure, reliable solutions in a hybrid Kraków or Wrocław work model. 🗂️ Requirements: Strong Java and Spring Boot experience, Spring Batch and Spring Cloud experience, Microservices development experience, REST API and GraphQL schema design proficiency, NoSQL data modelling experience, Data streaming experience, OAuth 2.0 and Microsoft Entra ID knowledge, Azure Cloud Services familiarity, English communication skills, Agile collaboration experience, Commitment to quality, maintainability and documentation 📃 Skills: Java, SpringBoot, SpringBatch, SpringCloud, Microservices, REST, GraphQL, NoSQL, CosmosDB, Kafka, OAuth2, EntraID, Azure, AppServices, AzureMonitor, APIManagement, Observability, Testing 🏢 Description: Role summary We are looking for a Backend Engineer to design, develop, and continuously improve intelligent digital products and services that support employees and HR stakeholders, with AI at the core. 📍 Work mode: Hybrid (2–3 days/week) — Kraków or Wrocław office Primary skills Java, Spring Boot, microservices, REST APIs 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. Required skills and 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, such as Azure Cosmos DB ; data streaming, such as 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. AI-related skills, such as Spring AI or LangChain, are a strong plus. Benefits ✅ Stable long-term cooperation with opportunity for extension Opportunity to work with modern technologies in an international environment Professional growth and continuous development opportunities Participation in challenging and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Long-term remote B2B contract for an experienced Backend Developer to build and support cloud-based solutions using .NET and AWS. The role requires end-to-end ownership, from requirements and implementation through deployment and support, in an Agile international environment. 🗂️ Requirements: Strong C# and .NET Core experience, Entity Framework experience, AWS and cloud architecture experience, GitLab and CI/CD experience, SOLID and clean code knowledge, Agile or Kanban experience, End-to-end delivery ownership, Effective technical and non-technical communication 📃 Skills: C#, .NET, AWS, EntityFramework, GitLab, CI/CD, SOLID, Agile, Kanban 🏢 Description: Experienced Backend Developer (.NET / AWS) What we are looking for We are looking for an experienced Backend Developer with AWS experience who enjoys taking ownership and driving work from idea to production. You are comfortable working in a complex environment, eager to understand the business and domain, and motivated by improving both the product and the way we work. You enjoy collaborating with business stakeholders, fellow developers and architects, communicate effectively with both technical and non-technical audiences, and thrive in an international environment. What we offer: Long Term B2B Contract Rate: 40-45 euro/h + VAT Remote role Core Technical Requirements • Strong experience with C# and .NET core (we use .NET 10) • Entity Framework • Solid AWS knowledge and experience with cloud-based architectures • Experience with GitLab and CI/CD practices • Understanding of SOLID principles and clean code practices • Experience working in Agile/Kanban environments • Ability to independently drive work from requirements through implementation, deployment and support

🏢 Summary: Long-term remote B2B contract for an experienced Backend Developer to own the delivery of cloud-based .NET solutions from requirements through production support. The role offers €40–45/hour plus VAT and requires collaboration with business stakeholders, developers, and architects in an international environment. 🗂️ Requirements: Strong C# and .NET Core experience, Entity Framework experience, AWS and cloud-architecture experience, GitLab and CI/CD experience, SOLID principles and clean-code practices, Agile or Kanban experience, Independent delivery from requirements through deployment and support, Effective communication with technical and non-technical stakeholders 📃 Skills: C#, .NET, AWS, EntityFramework, GitLab, CI/CD, SOLID, Agile, Kanban 🏢 Description: Experienced Backend Developer (.NET / AWS) What we are looking for We are looking for an experienced Backend Developer with AWS experience who enjoys taking ownership and driving work from idea to production. You are comfortable working in a complex environment, eager to understand the business and domain, and motivated by improving both the product and the way we work. You enjoy collaborating with business stakeholders, fellow developers and architects, communicate effectively with both technical and non-technical audiences, and thrive in an international environment. What we offer: Long Term B2B Contract Rate: 40-45 euro/h + VAT Remote role Core Technical Requirements • Strong experience with C# and .NET core (we use .NET 10) • Entity Framework • Solid AWS knowledge and experience with cloud-based architectures • Experience with GitLab and CI/CD practices • Understanding of SOLID principles and clean code practices • Experience working in Agile/Kanban environments • Ability to independently drive work from requirements through implementation, deployment and support