Senior FullStack .NET Developer

🏢 Summary: B2B opportunity for a Senior .NET Full Stack Software Engineer to modernize and scale asset-management transaction and regulatory reporting platforms. The role focuses on delivering reliable, scalable, high-quality solutions, automating manual processes, and collaborating in a global agile environment. 🗂️ Requirements: Senior .NET development experience, Microsoft Azure expertise, Core .NET technologies knowledge, Database technology knowledge, Ability to translate business requirements into reliable, scalable, high-performance technical solutions, Ability to work in a hybrid model from Wroclaw, B2B contract availability 📃 Skills: Azure, .NET, Databases, DevOps, Agile 🏢 Description: Senior .NET Full Stack Software Engineer (with Azure and DevOps expertise) 📌 Type of contract: B2B 📍 Work mode: Hybrid format from Wroclaw (2/3 days from office) We’re looking for .NET developer in Wroclaw to: drive the modernization and scalability of the client, transaction, and regulatory reporting platforms, within Asset Management technology implement high quality solutions that address business needs and adhere to industry standards drive automation of manual processes to the next level closely collaborate within an agile team and a global agile organization translate high level business requirement into technical requirements addressing reliability, scalability, and performance needs Competencies: Microsoft Azure, Core .NET Technologies, Database Technology 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: Oferta B2B dla Full Stack Developera .NET/React obejmuje zdalną pracę przy rozwoju, utrzymaniu i wsparciu aplikacji enterprise w międzynarodowym projekcie. Rola łączy tworzenie backendu, frontendu, API i mikroserwisów z obsługą aplikacji L2/L3/L4, monitoringiem oraz dyżurami on-call 24/7. Wynagrodzenie wynosi do 140 PLN netto + VAT za godzinę. 🗂️ Requirements: C#, NET Framework, NET Core, NET 6+, ASP.NET MVC, ASP.NET Web API, REST API, Microservices, React, JavaScript ES6+, TypeScript, HTML5, CSS3, Material UI, Microsoft Azure, Azure DevOps, CI/CD, Azure SQL, Cosmos DB, Docker, Monitoring, Observability, Troubleshooting, Application Support, Git, GitHub, Azure Repos, Gotowość do rotacyjnych dyżurów on-call 24/7 📃 Skills: C#, .NET, ASP.NET, REST, Microservices, React, JavaScript, TypeScript, HTML5, CSS3, Azure, DevOps, SQL, Cosmos, Docker, Monitoring, Observability, Troubleshooting, Git, GitHub 🏢 Description: Poszukujemy Full Stack Developer (.NET / React) , który docelowo będzie realizował projekt dla jednego z naszych klientów — jedna z największych międzynarodowych firm doradczych , która realizuje projekty technologiczne i biznesowe dla globalnych organizacji. Zespół IT klienta rozwija i utrzymuje nowoczesne aplikacje oraz rozwiązania chmurowe wykorzystywane w środowiskach enterprise. To oferta dla osoby, która dobrze odnajduje się zarówno w rozwoju aplikacji, jak i w obszarze L2/L3/L4 Application Support , a jednocześnie chce pracować z nowoczesnym stackiem technologicznym. Oferujemy 100% pracę zdalną , współpracę na podstawie B2B , wynagrodzenie do 140 PLN netto + VAT/h , pracę przy międzynarodowym projekcie dla dużej organizacji, nowoczesny stack technologiczny oparty o .NET, React i Azure. Obowiązki rozwój nowych aplikacji oraz rozbudowa już istniejących systemów, tworzenie nowych funkcjonalności od strony backendu i frontendu, rozwój oraz utrzymanie REST API i mikroserwisów, analiza i usuwanie błędów pojawiających się na produkcji, obsługa zgłoszeń, incydentów i problemów związanych z działaniem aplikacji, diagnozowanie problemów oraz szukanie ich przyczyn, współpraca z zespołami developerskimi, QA, infrastrukturą oraz biznesem, monitorowanie aplikacji i reagowanie na problemy w środowisku produkcyjnym, udział w działaniach związanych z poprawą stabilności, wydajności i jakości systemów, tworzenie i utrzymywanie testów oraz automatyzacji, praca z pipeline'ami CI/CD i procesem wdrażania aplikacji. 24/7 Support — ważna informacja Rola obejmuje również wsparcie aplikacji w modelu 24/7 . Oznacza to udział w rotacyjnym systemie dyżurów on-call, również poza standardowymi godzinami pracy — w nocy, weekendy i dni świąteczne. Szczegóły dotyczące organizacji oraz częstotliwości dyżurów zostaną ustalone podczas procesu rekrutacyjnego. Wymagania Backend: C#, .NET Framework, .NET Core, .NET 6+, ASP.NET MVC, ASP.NET Web API, REST API, Microservices Frontend: React, JavaScript ES6+, TypeScript, HTML5, CSS3, Material UI Cloud & DevOps: Microsoft Azure, Azure DevOps, CI/CD, Azure SQL, Cosmos DB, Docker Monitoring & Support: monitoring, observability, troubleshooting, application support Source Control: Git, GitHub, Azure Repos Ta rola nie jest dla Ciebie, ale masz znajomego, który by się sprawdził? Poleć go i zgarnij nawet 5000 zł. Referral Program: Talent from your network Nie zwlekaj i zaaplikuj już teraz!

🏢 Summary: Senior .NET Developer role on a long-term, fully remote B2B project for an insurance and reinsurance client. The position focuses on developing and modernizing business-critical applications for migration to Microsoft Azure, using .NET, Blazor, SQL Server, Azure Functions, and Azure DevOps. 🗂️ Requirements: 5+ years of commercial .NET development experience, Commercial C# and .NET experience, Commercial Blazor experience or strong Full Stack experience with willingness to learn Blazor, SQL Server experience, Microsoft Azure experience, Azure Functions experience, Azure DevOps experience, English proficiency at B2 level or higher, Independent, proactive work in an Agile environment, Strong problem-solving and ownership mindset 📃 Skills: C#, .NET, Blazor, SQLServer, Azure, AzureFunctions, AzureDevOps, Agile 🏢 Description: We are looking for an experienced Senior .NET Developer to join a long-term project delivered for a well-established UK-based client from the insurance and reinsurance sector. You will become part of an international delivery team responsible for developing and modernizing business-critical applications as part of the client's ongoing migration to the Microsoft Azure ecosystem. 📍 100% Remote (Poland) 🚀 Start: Beginning of August 📅 6-month contract with possible extension 💼 B2B Requirements: Minimum 5 years of commercial experience as a .NET Developer Strong hands-on experience with C# and .NET Commercial experience with Blazor (or strong Full Stack experience with willingness to learn Blazor) Experience working with SQL Server Practical experience with Microsoft Azure Experience developing Azure Functions Experience working with Azure DevOps Very good English communication skills (minimum B2 ) Ability to work independently and proactively in an Agile environment Strong problem-solving skills and ownership mindset Nice to have: Experience in the insurance or financial services industry Experience working in distributed international teams Knowledge of Scrum or Kanban Experience with application modernization or cloud migration projects Familiarity with legacy application modernization Responsibilities: Design, develop, and deliver software solutions based on business and technical requirements Develop and maintain applications using .NET, Blazor, SQL Server, and Microsoft Azure Build and maintain Azure Functions and cloud-based services Participate in technical discussions and contribute to solution design Collaborate closely with developers, testers, architects, Product Owners, and business stakeholders Ensure high-quality, maintainable, and scalable code Take ownership of assigned user stories from development through delivery Support the modernization of legacy applications into the Azure ecosystem Participate in Agile ceremonies and work closely with distributed international teams We offer: Up to 110 PLN/h net on B2B 100% remote work 14-day invoice payment terms Private healthcare package Access to the MyBenefit cafeteria platform (including MultiSport and gift cards) Long-term cooperation with an international UK client Opportunity to work on large-scale Azure modernization projects Collaborative environment with experienced engineering teams and modern development practices

🏢 Summary: Remote 12-month contract for a Full Stack Developer to build scalable .NET/React applications and deliver production AI-powered features. The role requires practical commercial AI implementation experience, including LLM integrations, RAG, agents, vector search, or intelligent automation. 🗂️ Requirements: 5+ years of commercial C#/.NET experience, Hands-on React and TypeScript experience, Experience building REST APIs, backend services, or microservices, Experience with Azure or another major cloud platform, Git and CI/CD experience, Practical production AI development experience, Experience integrating AI functionality into a commercial application or product, Polish and English communication skills 📃 Skills: C#, .NET, React, TypeScript, REST, Azure, Git, CI/CD, LLMs, RAG, AzureOpenAI, OpenAI, Embeddings, Microservices 🏢 Description: We are looking for an experienced Full Stack Developer (.NET / React) who has real, hands-on experience building AI-powered solutions or features . We are specifically looking for developers who have gone beyond simply using GitHub Copilot or other AI coding assistants . You should have actually designed, developed, integrated, or deployed AI functionality within a commercial application or product . Location: Remote – Poland Language: Polish and English Start: September 2026 Contract: 12 months Interview process: 1 interview only Key Responsibilities Design and develop full-stack applications using C# / .NET and React . Build scalable backend services, REST APIs and integrations. Design and implement AI-powered features as part of real applications or products. Integrate applications with LLMs and AI services such as Azure OpenAI, OpenAI or similar platforms. Work with technologies and concepts such as RAG, AI Agents, prompt orchestration, vector search, embeddings or intelligent automation , depending on the use case. Take AI solutions from idea/prototype through integration and production implementation . Work closely with architects, product owners and engineering teams. Required Skills 5+ years of commercial C# / .NET experience. Strong hands-on experience with React and TypeScript . Experience developing REST APIs, backend services and/or microservices . Azure or another major cloud platform. Git, CI/CD and modern software engineering practices. Strong Polish and English communication skills. AI Experience – Important We need someone with practical AI development experience , not only exposure to AI tools. You should have built or contributed to at least one solution involving areas such as: LLM integration within a commercial application. RAG (Retrieval-Augmented Generation) solutions. AI Agents / agentic workflows . Integration with Azure OpenAI, OpenAI APIs or similar AI platforms . Vector databases, embeddings or semantic search . AI-powered document processing, classification, extraction or summarisation. Intelligent workflow/process automation using AI. Custom AI assistants or conversational applications. Other production AI/ML functionality integrated into software products . We are interested in developers who can clearly explain what AI solution they built, what problem it solved, which technologies they used, and what their personal contribution was.

🏢 Summary: Senior .NET Full Stack Developer role focused on building and supporting enterprise web applications, RESTful APIs, and frontend and backend solutions. The position combines hands-on development with technical decision-making, testing, CI/CD, releases, production support, and hybrid work from Lisbon. 🗂️ Requirements: Degree in Computer Science, Software Engineering, Information Technology, Engineering, or related technical field, 5–8 years of relevant .NET full-stack development experience, Strong .NET Core, .NET Framework, and MVC expertise, Experience with React, Angular, JavaScript, and legacy technologies, Strong SQL and Entity Framework knowledge, Production application support experience, CI/CD, Azure DevOps, Jenkins, and Git experience, Authentication and core security principles knowledge, Unit and integration testing experience, Professional English proficiency, minimum B2 📃 Skills: .NET, MVC, React, Angular, JavaScript, C#, SQL, EntityFramework, REST, AzureDevOps, Jenkins, Git, CI/CD, Authentication 🏢 Description: We are seeking a highly skilled Senior .Net Full Stack Developer with expertise in .NET Framework and extensive experience in developing full-stack web applications. The role requires a proactive individual who is capable of making critical technical decisions and contributing effectively within a collaborative team environment. Key Responsibilities Design, develop, maintain, and enhance full-stack web applications. Build and integrate RESTful APIs across enterprise platforms. Gather, analyze, and refine business and technical requirements. Contribute to technical decisions and help prioritize development activities. Develop frontend solutions using React, Angular, JavaScript , and legacy technologies. Develop backend solutions using .NET Core, .NET Framework, and C#. Work with SQL Server and related data access technologies. Perform unit testing and integration testing to ensure quality and reliability. Participate in release and deployment management activities. Support and improve CI/CD pipelines and DevOps practices . Troubleshoot and resolve production incidents , including high-priority issues. Manage and contribute to risk, issue, incident, and problem resolution . Ensure adherence to coding standards, development guidelines, naming conventions, templates, and reference implementations. Produce and maintain clear technical documentation. Collaborate effectively within the team and across distributed, cross-functional, and international teams. Required Qualifications Degree in Computer Science, Software Engineering, Information Technology, Engineering , or a related technical field. 5 to 8 years of relevant professional experience as a .Net Full Stack Developer . Strong expertise in .NET Core/Framework/MVC and related frameworks. Solid experience with React, Angular, JavaScript and working with older or legacy technologies when required. Strong knowledge of SQL and ORM tools such as Entity Framework . Experience working in production environments and supporting live business applications. Hands-on experience with CI/CD, Azure DevOps, Jenkins, and Git . Understanding of authentication mechanisms and core security principles . Experience in development, unit testing , and integration testing . Nice to Have Strong team player who collaborates effectively within and across teams. Proactive mindset with strong ownership and accountability. Good knowledge of Agile ways of working . Experience in documentation and standards ownership . Structured approach to release management, incident management, and problem-solving . Ability to work effectively in a dynamic, fast-paced environment. Experience with requirement gathering, analysis , and solution design . Strong skills in decision-making, prioritization , and communication . Language Requirements Professional proficiency in English speaking and writing (at least B2 level). Dutch and/or French is a strong plus. Work model: 2 days per week in the Lisbon office and 3 days at home.

🏢 Summary: Oferta długofalowej współpracy dla Programisty .NET Fullstack przy rozwoju nowoczesnych aplikacji frontendowych i backendowych. Rola obejmuje integracje, automatyzację testów oraz CI/CD, projektowanie architektury i dokumentowanie prac. 🗂️ Requirements: Zaawansowana znajomość .NET, Doświadczenie w C#, TypeScript, Angular, Web API, SQL i HTML5, Znajomość testów jednostkowych i automatyzacji testów, Doświadczenie w automatyzacji CI/CD, Doświadczenie w integracjach z systemami kolejkowymi, Znajomość MSSQL, Visual Studio, Git, JIRA, MSBuild, TeamCity i PowerShell, Znajomość narzędzi AI wspierających development, Znajomość analizy wymagań użytkownika i projektowania systemów, Umiejętność dokumentowania pracy oraz czytania dokumentacji HLD, Doświadczenie w pracy w Agile 📃 Skills: .NET, C#, TypeScript, Angular, WebAPI, SQL, HTML5, MSSQL, VisualStudio, Git, JIRA, MSBuild, TeamCity, PowerShell, Claude, Codex, Agile 🏢 Description: Lokalizacja: Warszawa Model pracy: 2x w miesiącu z biura w Warszawie Stawka: 125 PLN/h net + VAT Okres współpracy: długofalowa współpraca Poszukiwany Programista .NET Fullstack do zespołu odpowiedzialnego za rozwój nowoczesnych rozwiązań software'owych. Osoba na tym stanowisku będzie zajmować się projektowaniem i wdrażaniem aplikacji zarówno od strony frontendowej, jak i backendowej. Wymagana jest zaawansowana znajomość .NET oraz praktyczne doświadczenie w automatyzacji testów i procesów CI/CD. Główne obowiązki: Zakres obowiązków obejmuje: Projektowanie i realizacja rozwiązań frontend i backend. Integracja między aplikacjami. Automatyzacja testów. Automatyzacja procesów CI/CD. Przygotowywanie koncepcji rozwiązań architektonicznych. Dokumentowanie prac programistycznych. Wymagania kluczowe: Znajomość inżynierii oprogramowania. Zaawansowana znajomość programowania w .NET. Znajomość testowania modułowego i automatyzacji testów. Znajomość metodyk analizy wymagań użytkownika. Znajomość metodyk projektowania systemów. Doświadczenie w realizacji projektów informatycznych w technologiach: C#, .NET, TypeScript, Angular, Web API, SQL, HTML5. Doświadczenie w realizacji interfejsów z wykorzystaniem systemów kolejkowych. Znajomość narzędzi: MSSQL, Visual Studio, Git, JIRA, MsBuild, TeamCity, Powershell. Znajomość narzędzi AI wspierających development (Claude Code CLI, Codex CLI). Umiejętność dokumentowania swojej pracy i czytania dokumentacji na poziomie HLD. Doświadczenie w pracy metodyką Agile. Mile widziane: Potwierdzenie umiejętności programowania testami kompetencji. Umiejętność tworzenia i korzystania z AI skill-i. Znajomość języka angielskiego na poziomie umożliwiającym zrozumienie dokumentacji technicznej.

🏢 Summary: Hybrid B2B role for a Fullstack .NET Engineer modernizing legacy applications into a cloud-native Azure architecture. The position covers .NET backend services, React microfrontends, Azure infrastructure, CI/CD, testing, security, and production support. 🗂️ Requirements: 5+ years of commercial full-stack experience with C# and .NET, Strong EF Core and MSSQL or Azure SQL skills, Hands-on Azure experience, Terraform Infrastructure as Code experience, Azure DevOps CI/CD experience, REST API development and security experience, Automated testing experience, Observability knowledge, Good Git practices and code review discipline 📃 Skills: C#, .NET, EF, MSSQL, Azure, Terraform, DevOps, REST, Git 🏢 Description: Project details: Location : Hybrid work with 5 days in the office per month in Kraków. Contract type : B2B Working time : 09:00-17:00 CET. Summary: The Fullstack .NET Engineer role aims to drive the modernization of legacy applications into a cloud-native Azure architecture, contributing to both backend and frontend development while supporting various components of the system. Responsibilities: Design and implement backend services and REST APIs in .NET 9 with Clean Architecture. Build and maintain React + TypeScript microfrontends. Evolve MSSQL / Azure SQL schemas and write/tune queries with EF Core. Author and maintain Infrastructure as Code in Terraform for Azure resources. Optimize and support CI/CD pipelines in Azure DevOps. Integrate Azure AD for authentication and apply security best practices. Instrument services for observability and health checks. Refactor legacy code during migration. Write and maintain automated tests. Troubleshoot production incidents and support deployments. Collaborate in Agile ceremonies and conduct code reviews. Key Requirements: 5+ years of commercial full-stack experience with C# / .NET. Strong EF Core and MSSQL / Azure SQL skills. Hands-on Azure experience. Infrastructure as Code experience with Terraform. CI/CD experience in Azure DevOps. Experience building and securing REST APIs. Automated testing experience. Observability knowledge. Good Git practices and code review discipline. Nice to Have: Production experience with React and TypeScript. Familiarity with Azure Data Factory and Power BI. Microfrontends or module federation experience. Experience with Docker and Kubernetes. Knowledge of Bicep / ARM in addition to Terraform. Event-driven integration with Azure services. Experience modernizing legacy UIs and services. Relevant Azure certifications (AZ-204, AZ-400, AZ-104).

🏢 Summary: Senior Full Stack Developer role focused on building and supporting scalable, secure cloud-native enterprise applications on Microsoft Azure. The position combines modern frontend and backend development with REST APIs, microservices, event-driven architecture, and AI-powered business solutions. 🗂️ Requirements: 7+ years of full-stack software development experience, Strong React, Angular, Next.js, JavaScript, and TypeScript knowledge, Backend development experience with .NET Core, Python, Node.js, or Java, Microsoft Azure experience, including App Services, Functions, and API Management, SQL Server, PostgreSQL, or Cosmos DB knowledge, Microservices, REST APIs, OAuth, and OpenID Connect experience, Git, Azure DevOps, and CI/CD pipeline familiarity, Basic Docker and Kubernetes knowledge 📃 Skills: Azure, React, Angular, Next.js, JavaScript, TypeScript, .NET, Python, Node.js, Java, REST, OpenAI, Databricks, Entra, SQL, PostgreSQL, CosmosDB, OAuth, OpenID, Git, AzureDevOps, CI/CD, Docker, Kubernetes 🏢 Description: We are looking for an experienced Senior Full Stack Developer to design, develop, and support modern cloud-native applications built on Microsoft Azure . The role involves developing enterprise web applications, backend services, APIs, and AI-powered solutions, including Generative AI and intelligent business applications. You will work closely with Data, AI, DevOps, and Product teams to deliver scalable, secure, and high-performing cloud solutions. Key Responsibilities Design, develop, and maintain cloud-native applications and backend services on Microsoft Azure. Build modern frontend applications using React, Angular, Next.js, or similar frameworks. Develop backend services and REST APIs using .NET Core, Python, Node.js, or Java. Integrate applications with Azure OpenAI, Azure AI Foundry, Databricks, and other enterprise AI services. Design microservices and event-driven architectures. Implement authentication and authorization using Microsoft Entra ID. Collaborate with Data, AI, DevOps, and Product teams throughout the software development lifecycle. Participate in architecture discussions, code reviews, testing, and production support. Continuously improve application performance, security, scalability, and reliability. Requirements 7+ years of experience in Full Stack software development. Strong knowledge of React, Angular, Next.js, JavaScript, and TypeScript. Hands-on experience with backend development using .NET Core, Python, Node.js, or Java. Experience with Microsoft Azure services, including App Services, Functions, and API Management. Good knowledge of SQL Server, PostgreSQL, or Cosmos DB. Experience with microservices, REST APIs, OAuth, and OpenID Connect. Familiarity with Git, Azure DevOps, and CI/CD pipelines. Basic knowledge of Docker and Kubernetes.