.Net Developer

🏢 Summary: Lead .NET Developer role for an international client, owning delivery of Azure-based applications while improving production performance, reliability, and code quality. The position includes technical leadership, mentoring, collaboration with QA, DevOps, architecture, and product stakeholders, and support for modularizing monolithic functionality. 🗂️ Requirements: 10+ years of software development experience, Strong C#, .NET, ASP.NET Core and Web API experience, Strong Entity Framework / EF Core experience, Strong Azure experience: App Services, Azure SQL, Application Insights, Azure DevOps and CI/CD, Production-system performance and reliability improvement experience, Developer leadership, code review and engineering standards experience, Strong communication with technical and non-technical stakeholders 📃 Skills: C#, .NET, ASP.NET, WebAPI, EntityFramework, EFCore, Azure, AppServices, AzureSQL, ApplicationInsights, AzureDevOps, CI/CD 🏢 Description: Zaven is a software company from Wrocław, Poland. We build high-quality custom software for essential industries. Our focus is on practical results and trusting our people, not on strict rules or long processes. If you want to work with smart teams to build important software, and you want to avoid big company bureaucracy, this is the place for you. Now we’re looking for a .NET Developer to join our team on a project for one of our international clients. We need a hands-on .NET lead developer who can own delivery, improve code quality, mentor developers, and work closely with architecture, QA, DB, DevOps, and product stakeholders. What exactly will you be doing?: Leading development work across .NET, C#, and Azure-based applications. Reviewing and improving code quality, performance, maintainability, and reliability. Working on application performance optimizations, including async/await, EF Core usage, caching, API design, memory allocation, HttpClient usage, long-running processes, and error handling. Supporting the decomposition of monolithic functionality into modular components or services. Partnering with QA teams on testability, regression coverage, defect triage, and release readiness. Mentoring mid-level developers and raising engineering standards. Collaborating with product and business stakeholders to clarify requirements and reduce rework. Participating in production issue analysis and root-cause reviews. Required Skills & Experience: 10+ years software development experience. Strong C#, .NET, ASP.NET Core, Web API experience. Strong Entity Framework / EF Core experience. Strong Azure experience: App Services, Azure SQL, Application Insights, Azure DevOps, CI/CD. Experience improving performance and reliability in production systems. Experience leading developers, reviewing code, and setting engineering standards. Strong communication skills with both technical and non-technical stakeholders. Nice to have: Angular / React / front-end experience. Redis / distributed caching. Azure Front Door, API Management, Service Bus, Storage. Insurance, fintech, or regulated environment experience. Experience with test automation and CI/CD quality gates.

🏢 Summary: Senior .NET Developer role focused on building secure, scalable, cloud-native enterprise solutions on Azure. The position involves developing serverless applications, backend APIs, data integrations, and CI/CD-enabled delivery in an Agile, hybrid team environment. 🗂️ Requirements: 7+ years of professional software development experience, Hands-on C# and .NET Core/.NET 6+ experience, Azure Functions development and deployment experience, Azure Storage Accounts and Blob Storage expertise, Azure Key Vault expertise, Event-driven and asynchronous processing knowledge, OOP, design patterns, and SOLID principles knowledge, CI/CD pipeline experience with Azure DevOps or GitHub Actions, Agile/Scrum team experience, English communication skills 📃 Skills: C#, .NET, Azure, Functions, Blob, KeyVault, ServiceBus, AppServices, SQL, CosmosDB, CI/CD, DevOps, GitHub, ARM, Bicep, Terraform, OOP, SOLID, Agile, Scrum 🏢 Description: Location: Wroclaw, hybrid 3 days/week About the Role We are looking for an experienced and passionate Senior .NET Developer with strong Azure expertise to join our engineering team. In this role, you will design, develop, and enhance scalable digital products and technology services used by clients and internal teams worldwide. You will work in a modern cloud-native environment, contribute to high-impact projects, and collaborate with cross-functional teams to build secure, reliable, and highly available enterprise solutions. Key Responsibilities Design, develop, and deploy serverless applications using Azure Functions Build and optimize integrations with Azure Blob Storage for large-scale data handling Implement secure access and secrets management using Azure Key Vault Develop scalable backend services and APIs using .NET 6+ / .NET Core Apply software engineering best practices: code reviews, automated testing, and CI/CD Ensure security, reliability, and performance across all delivered solutions Troubleshoot production issues and contribute to system improvements Collaborate closely with cross-functional teams in an Agile environment Advocate for clean code, maintainable architecture, and technical excellence Required Skills & Experience 7+ years of professional software development experience Strong hands-on experience with C# and .NET Core / .NET 6+ Proven experience building and deploying Azure Functions (Durable Functions is a plus) Deep experience with Azure Storage Accounts and Blob Storage (containers, lifecycle management, access tiers) Strong experience with Azure Key Vault (secrets, certificates, access policies) Experience with other Azure services : Azure Service Bus Azure App Services / Web Apps Azure SQL / Cosmos DB (nice to have) Solid understanding of event-driven and async processing patterns Strong knowledge of OOP, Design Patterns, and SOLID principles Experience with CI/CD pipelines (Azure DevOps or GitHub Actions) Working knowledge of Infrastructure as Code (ARM / Bicep / Terraform) – nice to have Experience working in Agile / Scrum teams Strong analytical and problem-solving skills Excellent communication skills in English (Polish is a plus)

🏢 Summary: Oferta długofalowej, w pełni zdalnej współpracy dla Lead .NET/Azure Developera przy rozwoju, modernizacji i optymalizacji aplikacji produkcyjnych. Rola łączy hands-on development, przywództwo techniczne, mentoring oraz współpracę z QA i interesariuszami biznesowymi. 🗂️ Requirements: Minimum 8 lat doświadczenia w rozwoju oprogramowania, Bardzo dobra znajomość C#, Bardzo dobra znajomość .NET, Bardzo dobra znajomość ASP.NET Core i Web API, Doświadczenie z Entity Framework / EF Core, Bardzo dobra znajomość Azure: App Services, Azure SQL, Application Insights, Azure DevOps, CI/CD, Doświadczenie w poprawie wydajności i niezawodności systemów produkcyjnych, Doświadczenie jako hands-on technical lead, Doświadczenie w prowadzeniu programistów, code review i wyznaczaniu standardów inżynieryjnych, Komunikacja z technicznymi i biznesowymi interesariuszami, Język angielski na poziomie B2 lub C1 📃 Skills: C#, .NET, ASP.NET, WebAPI, EntityFramework, EFCore, Azure, AppServices, AzureSQL, ApplicationInsights, AzureDevOps, CI/CD 🏢 Description: Be in IT specjalizuje się w kompleksowej rekrutacji specjalistów IT dla polskich i międzynarodowych firm. Wspieramy klientów w pozyskiwaniu ekspertów z obszarów software development, AI, data, cloud, cybersecurity, ERP, CRM oraz zarządzania IT. Stawiamy na znajomość technologii, przejrzystą komunikację i partnerskie podejście, dzięki którym skutecznie dopasowujemy kandydatów do potrzeb organizacji i realizowanych projektów. Obecnie dla naszego klienta poszukujemy osoby na stanowisko Lead .NET/Azure Developer. Zakres obowiązków: Kierowanie pracami programistycznymi w obrębie aplikacji opartych na .NET / C# / Azure. Aktywna praca w środowisku legacy oraz przy projektach modernizacyjnych, polegająca na bezpiecznym dostarczaniu nowych funkcjonalności na platformę produkcyjną. Dbanie o jakość kodu, jego wydajność, niezawodność oraz łatwość w utrzymaniu (maintainability). Optymalizacja wydajności aplikacji w obszarach: async/await, użycie EF Core, caching, API design, alokacja pamięci, wykorzystanie HttpClient, procesy długotrwałe (long-running processes) i obsługa błędów. Wsparcie procesu dekompozycji funkcjonalności monolitycznych na modułowe komponenty lub serwisy. Współpraca z działem QA w kwestiach testowalności, pokrycia testami regresyjnymi, priorytetyzacji defektów (defect triage) i gotowości do wdrożeń (release readiness). Mentoring programistów na poziomie mid oraz podnoszenie standardów inżynieryjnych w zespole, m.in . poprzez prowadzenie code review. Współpraca z interesariuszami biznesowymi i produktowymi w celu doprecyzowania wymagań oraz ograniczenia konieczności ponownej pracy (rework). Udział w analizie problemów na produkcji i poszukiwaniu ich głównych przyczyn (root-cause reviews). Oczekujemy: Minimum 8 lat doświadczenia w rozwoju oprogramowania. Bardzo dobrej znajomości C#, .NET, ASP.NET Core, Web API. Doświadczenia z Entity Framework / EF Core. Bardzo dobrej znajomości chmury Azure: App Services, Azure SQL, Application Insights, Azure DevOps, CI/CD. Praktycznego doświadczenia w poprawianiu wydajności i niezawodności systemów na produkcji. Doświadczenia w roli technicznego lidera (hands-on): kierowaniu programistami, robieniu code review oraz wyznaczaniu standardów inżynieryjnych. Umiejętności komunikacyjnych, pozwalających na swobodną współpracę z technicznymi i biznesowymi interesariuszami. Mile widziane doświadczenie w technologiach front-endowych: Angular / React. Mile widziana znajomość środowisk rozproszonego cache'owania (np. Redis). Mile widziane doświadczenie z Azure Front Door, API Management, Service Bus, Storage. Mile widziane doświadczenie pracy w branży ubezpieczeniowej, fintech lub innym środowisku silnie regulowanym. Mile widziane doświadczenie w automatyzacji testów oraz tworzeniu bramek jakościowych (quality gates) w procesach CI/CD pipeline. Znajomości języka angielskiego na poziomie B2 lub C1 - umożliwiająca swobodną komunikację w międzynarodowym środowisku. Mile widziana jest dostępność ASAP, akceptowalny jest maksymalnie miesięczny okres wypowiedzenia, ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 180-200 PLN netto/godz. + VAT. Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny proces rekrutacyjny - dwie rozmowy techniczne z managerami, online (każda maksymalnie po godzinie). Współpraca w pełni zdalna. Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.

🏢 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: B2B .NET Developer role with hybrid work in Wroclaw or Krakow, delivering modern solutions across multiple industries. The role focuses on building maintainable .NET and Azure applications, CI/CD, AI solutions, client collaboration, and Agile delivery. 🗂️ Requirements: 3+ years of .NET web development experience, Experience with Microsoft Azure services, Experience with Azure DevOps or GitHub Actions, Basic Python exposure, Clean code, design patterns and modern architecture knowledge, English proficiency at B2 level 📃 Skills: .NET, Azure, AzureDevOps, GitHubActions, Python, CICD, Agile, DesignPatterns 🏢 Description: We’re looking for specialists open to cooperate on B2B basis, for our customer – Avanade Poland. Avanade website ; Privacy policy This role is available for specialists open to work in hybrid mode (offices in Wroclaw and Krakow) - we can discuss the frequency of visiting the office. Position: As .NET Developer, you will broaden your experience by working in modern projects for various domains and industries. You will extend your skills in a wide range of tools, focusing on tasks such as: Consistently developing and delivering high-quality, low-defect, maintainable and robust code using modern Microsoft technologies like .NET and Azure Working with CI/CD tools such as Azure DevOps/GitHub Actions Designing, prototyping and building AI solutions using Python , Azure and newest AI technologies Working directly with clients (both technical and business) to define and refine requirements Working closely with your project team using Agile methodologies Ensuring quality through adherence to technical best practice and through mentorship and feedback Working in projects for various industries: Energy, Automotive, Retail, Aviation, Finances, Health, Life Sciences and more. Required skills: For this role, you will need: 3y+ of experience with web development using .NET (.NET 10 is a nice-to-have) Experience with MS Azure and its services Azure DevOps or GitHub Actions At least basic exposure to Python Knowledge of clean code principles, design patterns and modern architecture English skills at B2 level (we communicate in English on a daily basis) Nice to have: Experience in AI-related projects (commercial or non-commercial) Fluency in using assistive development tools (e.g. GitHub Copilot, Cursor, Claude Code) Experience in Microsoft Foundry or Copilot Studio Working experience with Docker Knowledge of Front-End technologies (e.g. React.js) If you want to ask any questions before applying, feel free to reach out via LinkedIn !

🏢 Summary: Senior .NET Developer role focused on building and maintaining scalable back-end services for an electronic-component selection system and manufacturer database integrations. The position involves Azure and CosmosDB development, test automation, AI-assisted engineering, and close Agile collaboration with a US-based team. 🗂️ Requirements: 8+ years of .NET development experience, Senior-level problem-solving capabilities, C# experience, Azure cloud experience, CosmosDB experience, Practical use of AI development tools, Fluent English, Availability for daily meetings between 17:00 and 19:00 CET, Residence in Poland or eligibility to work in Poland 📃 Skills: .NET, C#, Azure, CosmosDB, Playwright, Selenium, GitHub, Copilot, ChatGPT, Cursor, Agile 🏢 Description: We are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we work with full autonomy. We independently choose our technologies, processes, and ways of working while maintaining the highest professional standards. We deliver a wide range of IT projects in Poland and internationally, across multiple domains and technologies. This allows our consultants to develop their competencies and gain experience aligned with their professional ambitions. Our collaboration is built around the CARE philosophy. For us, it means responsible project matching, transparent cooperation, and a long-term approach to professional growth. Join us as Senior .NET Developer Grow in an environment that cares about your development as much as you do. Your responsibilities Designing, developing, and maintaining high-performance back-end services using .NET and C# for an established, scalable system used for selecting electronic components and integrating with manufacturer databases. Working extensively with Azure cloud services and CosmosDB to build, maintain, and monitor resilient solutions. Setting up test automation structures and frameworks from scratch using tools like Playwright or Selenium . Actively leveraging AI coding assistants such as GitHub Copilot , ChatGPT , or Cursor to enhance productivity and troubleshooting, while proactively sharing AI-assisted development practices with the team. Collaborating directly with the US-based team in an Agile environment, actively participating in code reviews, sprint planning, and architectural discussions. Communicating with business stakeholders to understand requirements and translate them into effective technical solutions. Requirements Minimum 8 years of professional experience in .NET development, demonstrating a senior-level mindset and problem-solving capabilities. Experience with C# , the Azure cloud ecosystem, and CosmosDB . Practical experience in using modern AI tools in daily software development and a willingness to promote these practices. Fluency in English to ensure seamless communication with US managers and developers. Flexibility to align with US working hours, specifically attending daily meetings between 17:00 and 19:00 CET. You need to live in Poland and/or be eligible to work here. Nice to have: Background or interest in Electrical Engineering. General understanding of testing practices, CI/CD pipelines, and Git version control. Knowledge in TypeScript or JavaScript. What we offer 100% remote work Work in a Scandinavian culture built on logic and dialogue. Health and sports benefits tailored to your needs. Speed Coaching – short sessions that provide new perspectives and solutions. Sports training, an internal team, and opportunities to take part in competitions. Team events and development-focused meetups.

🏢 Summary: Remote, long-term B2B contract for an experienced .NET Software Developer supporting a European Union organization. The role covers enterprise-system design and development, technical leadership, solution architecture, quality optimization, releases, testing, and 2nd/3rd-line support. Rate: 215 PLN net + VAT per hour. 🗂️ Requirements: Completed at least one full solution lifecycle, Expertise in enterprise-level software development, UML application design, Data, business-logic and UI-layer design and development, Scrum experience, Technical team leadership capability, Technical-solution documentation skills, Problem-solving skills, At least 2 years of experience with mission-critical complex enterprise systems, Experience with asset and/or human-resources management and financial-management systems, At least one internationally recognized intermediate software-development certification relevant to the domain 📃 Skills: .NET, UML, Scrum, Enterprise, Testing, Prototyping, Configuration, Deployment 🏢 Description: Currently, for one of our Partners, we are looking for an experienced Software Developer .NET (m/f/n) to support a long‑term project delivered for an organization of the European Union based in Warsaw. Requirements: Has gone at least 1 time through the complete lifecycle of the solution Expert in developing enterprise level software systems in specified technology domain Knows UML and can design applications in UML Proficient in designing and developing: data layer, business logic layer and UI layer Worked in Scrum developments Is capable for leading technical teams Holds ability to document effectively technical solutions Presents problem solving skills Specific requirements At least 2 years of experience with mission critical complex enterprise systems including asset and/or human resources management, as well as financial management. At least 1 certification among: Intermediate level certificate in software development relevant to the domain or an equivalent certification recognized internationally (subject to acceptance as a valid credential by the Contracting Authority) Typical tasks and responsibilities Designs and develops the system Lead development teams Translates requirements into design Optimizes software from performance, security and quality points of view Produces technical documentation Estimates effort and time for development Sets software development standards Propose technical solutions for business needs and technical problems Collects and interprets software metrics Manages configuration and releases Contributes to requirements analysis, testing, quality assurance, change management, deployment Tests solutions and develops testing tools Documents developments Prototypes solutions Acts as 2nd and 3rd line support Offer: Rate: 215 PLN net +VAT/H Set-up: Remote B2B

🏢 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