New offer - be the first one to apply!

August 8, 2026

Mid .NET Developer

Mid • Remote

14,000 - 22,000 PLN

Gdansk, PM, Poland

We’re looking for a .NET Developer.

Role & Responsibilities

  • Build and maintain backend services and REST APIs in .NET
  • Work closely with the frontend team on APIs
  • Work with data processing using APIs, ETL, and Azure Service Bus
  • Work with relevant stakeholders to ensure deliverables meet requirements
  • Communicate with engineering management on task prioritization, scheduling, and coordination
  • Meet project milestones in an iterative and incremental development process (Scrum)
  • Work effectively with other development team members on design, implementation, testing, and documentation

Requirements

  • 3+ years' experience building production backend services in .NET (C#)
  • Hands-on experience deploying and running backend services in Azure
  • Knowledge of secure development processes and best practices
  • Knowledge of relational databases (e.g. MSSQL / Azure SQL, MySQL) and document-oriented databases (e.g. Cosmos DB)
  • Experience with unit tests (NUnit, xUnit, or similar)
  • Fluent in Git workflow
  • Very good verbal and written English

Preferred Qualifications

  • Experience with, or a strong drive toward, AI: Azure AI Foundry, Azure OpenAI, LLM integrations, RAG, and prompt/context engineering
  • Knowledge of system design and resilient software architecture
  • Familiarity with Terraform
  • Experience with Azure DevOps
  • Bachelor’s degree in Computer Science, Mathematics, or similar

Why Join

  • Work with cutting-edge technology that creates real-world impact
  • Collaborate with a supportive, international team of innovators
  • Enjoy opportunities for personal and professional growth in a rapidly scaling company
  • Be part of a mission-driven organization creating sustainable supply chains

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Hybrid

Kraków, Poland

🏢 Summary: Full-stack .NET Developer role focused on building scalable, cloud-native applications within the Azure ecosystem, including microservices, APIs, and event-driven solutions. The position involves contributing to the full application lifecycle, collaborating in Agile teams, and implementing modern DevOps and infrastructure-as-code practices. You will develop high-quality, secure, and maintainable software aligned with business and analytics requirements. 🗂️ Requirements: Proven experience with .NET and C# development, Hands-on experience with ASP.NET MVC and Razor, Strong understanding of REST APIs and backend integration, Experience designing and developing microservices, Practical knowledge of Clean Architecture principles, Knowledge of design patterns (Repository, CQRS, Mediator), Experience with Azure cloud services, Experience with CI/CD pipelines, Ability to write unit and integration tests, Experience working in Agile (Scrum or SAFe) teams 📃 Skills: .NET, C#, ASP.NET, MVC, Razor, REST, Microservices, Azure, AzureFunctions, AppServices, CI/CD, AzureDevOps, Bicep, Terraform, IaC, CQRS, Mediator, Repository, Agile, Scrum, SAFe 🏢 Description: We are seeking passionate, ambitious, and highly motivated .NET Developer to join our ambitious team. You will play a key role in building and maintaining a high-quality platform, with excellent opportunities to grow your skills, work with cutting-edge technologies, and contribute to the development of world-class software solutions. We’re looking for developer eager to advance their career in .NET and cloud technologies within the Azure ecosystem. You’ll contribute to the full application lifecycle, collaborate with a talented global team, and engage directly with customers to gather feedback and shape our products. Key Responsibilities: Building platform tailored to meet specific business customers' needs, ensuring they align with organizational goals and processes. Collaborate closely with stakeholders to define schemas and relationships that support business logic and reporting requirements.  Ensure solutions are scalable, secure, and capable of evolving with changing business demands. Support real-time analytics and event-driven architectures to address modern business challenges effectively. Design and develop microservices and APIs using .NET (C#) Build and maintain cloud-native applications using Azure Functions, App Services, and other PaaS offerings Collaborate with DevOps engineers to implement CI/CD pipelines using Azure DevOps Contribute to cloud architecture design and infrastructure as code (IaC) using Bicep or Terraform Write unit and integration tests using modern testing frameworks Follow clean coding principles and design patterns to ensure maintainable and scalable code Participate in Agile ceremonies, code reviews, and sprint planning sessions Here's what you'll need: Proven experience with .NET/C# development, ideally in modern stack projects Hands-on experience with ASP .NET MVC and Razor Strong understanding of REST APIs and backend service integration Familiarity with Clean Architecture principles and separation of domain, infrastructure, business logic, and presentation layers Practical knowledge of design patterns (Repository, CQRS, Mediator) Experience working in Agile teams (Scrum/SAFe) with collaborative practices Good communication skills, able to explain technical topics in simple terms We offer: Rewarding employment - full-time employment with a salary that matches your qualifications Hybrid work model - enjoy the flexibility of working mostly from home Flexible hours - start your day anytime between 7:30 and 10:00 AM Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system Co-financed holidays - enjoy "Wczasy pod Gruszą" for a well-deserved break Global projects - engage in exciting international projects Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses - enhance your skills with courses in English, German, and Polish We know that if we are inclusive, we’re more connected, and we’re more creative.  We accept people for who they are.  Find out more about life at Jacobs .  As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy.  If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com

Technology

BUTTERFLAI SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

.NET Azure Engineer

Junior

On-site

Rybnik, SL, Poland

5,000 - 9,000 PLN

🏢 Summary: Oferta dotyczy roli .NET/Azure Developera wspierającego zespół w projektowaniu, implementacji, testowaniu i utrzymaniu aplikacji webowych oraz systemów opartych o .NET i Microsoft Azure. Stanowisko umożliwia rozwój w kierunku DevOps, CI/CD oraz Infrastructure as Code, z naciskiem na samodzielność inżynieryjną. Praca obejmuje rozwój API, integracje oraz współpracę w środowisku Azure DevOps. 🗂️ Requirements: Motywacja do rozwoju w obszarze Microsoft Azure i programowania, Analityczne myślenie i samodzielne rozwiązywanie problemów, Podstawowa znajomość C#, Znajomość platformy .NET, Podstawowa znajomość usług Microsoft Azure, Znajomość budowy aplikacji webowych i Web API, Podstawowa znajomość relacyjnych baz danych, Znajomość SQL, Znajomość HTTP, Podstawowa wiedza z zakresu Authentication i Authorization, Znajomość Git, Gotowość do pracy stacjonarnej w okolicach Rybnika (Świerklany) 📃 Skills: C#, .NET, Azure, SQL, HTTP, Git, WebAPI, AzureDevOps, CI/CD, Bicep, Terraform, RabbitMQ, ServiceBus 🏢 Description: Szukamy .NET lub Azure Developera do wsparcia zespołu inżynieryjnego w projektowaniu, implementacji, testowaniu oraz utrzymaniu systemów informatycznych i aplikacji webowych opartych o ekosystem .NET i Azure. Osoba w tej roli będzie miała możliwość rozwoju w DevOps (tworzenie CI/CD pipelines oraz Infrastructure as a Code) oraz rozwiązania chmurowe, dążąc do pełnej samodzielności inżynieryjnej. Kluczowy zakres obowiązków: Rozwój oprogramowania: Aktywny udział w procesie kodowania i rozwoju aplikacji webowych, interfejsów API oraz komponentów integracyjnych opartych o język C# i platformę .NET. Praca projektowa: Realizacja zadań w ramach projektów technologicznych w ścisłej współpracy z architektami i programistami w środowisku Azure DevOps. Kontrola jakości: Identyfikowanie, debugowanie oraz sprawne eliminowanie błędów w istniejącym kodzie, a także tworzenie testów jednostkowych. Współpraca i komunikacja: Udział w codziennych spotkaniach statusowych (Daily), planowaniu sprintów oraz przeglądach kodu (Code Review). Rozwój kompetencji: Ciągłe podnoszenie kwalifikacji, przyswajanie dobrych praktyk programistycznych (Clean Code, SOLID) oraz zgłębianie wiedzy z zakresu rozwiązań chmurowych. Nasze wymagania (Must-have): Silna motywacja do rozwoju w obszarze usług chmurowych Microsoft Azure oraz programowania. Zdolność do analitycznego myślenia, samodzielnego rozwiązywania problemów i chęć szybkiej nauki. Fundamentalna znajomość języka programowania C# oraz założeń platformy .NET. Podstawowa wiedza oraz znajomość architektury i usług chmury Microsoft Azure (np. Azure Storage Account, Function App, Logic App, Service Bus). Zrozumienie zasad budowy i działania aplikacji webowych (ze szczególnym uwzględnieniem Web API). Podstawowa znajomość relacyjnych baz danych i języka SQL. Wiedza nt. HTTP, jak działa, jakie metody, jakie elemnty posiada. Podstawowa wiedza na temat Authentication & Authorization (pobieranie tokena, uwierzytelnianie do azure za pomocą client_id, client_secret, scope etc.) Znajomość systemu kontroli wersji Git (podstawowe przepływy pracy). Gotowość do stałej pracy stacjonarnej w okolicach Rybnika (Świerklany). Mile widziane (Nice-to-have): Doświadczenie komercyjne w .NET lub Azure. Zrozumienie działa Message Brokerów (np. RabbitMQ, Azure Service Bus) Znajomość podstawowych pojęć z obszaru DevOps (procesy CI/CD, praca z Azure Pipelines). Umiejętność pisania Infrastruktury jako kod w Bicep lub Terraform Teoretyczna lub praktyczna wiedza na temat architektury i podstawowych usług chmury Microsoft Azure. Zrozumienie na czym polega Azure Managed Identity. Posiadanie w portfolio własnych projektów (hobbystycznych, akademickich lub open-source), np. na platformie GitHub. Oferujemy: Mentoring i onboarding: Systematyczne wsparcie ze strony doświadczonych programistów i architektów gwarantujące szybki rozwój w komercyjnych projektach. Nowoczesny stack technologiczny: Realna praca z wykorzystaniem Azure DevOps, chmury obliczeniowej Microsoft Azure oraz najnowszych standardów platformy .NET.

Technology

Transition Technologies MS

Senior Full Stack Developer (.NET & Angular)

Senior

Hybrid

Warsaw, Poland

🏢 Summary: Senior Full Stack Developer role focused on building and maintaining cloud-native applications for the offshore wind industry using .NET Core, Angular, and AWS. The position involves developing scalable microservices and REST APIs, improving reliability and DevOps processes, and contributing to architecture and technical decisions. The role includes mentoring developers and collaborating with cross-functional teams in a hybrid work model. 🗂️ Requirements: Commercial experience with .NET Core, Commercial experience with C#, Commercial experience with Angular, Knowledge of object-oriented programming, Understanding of SOLID principles, Experience with clean code practices, Experience with software architecture, Experience building REST APIs, Experience with microservices, Experience with Docker, Experience with Kubernetes, Experience with Kafka or AMQ, Experience with SQL databases, Experience with NoSQL databases, Hands-on experience with AWS, Experience with EKS, Experience with cloud storage, Experience with AWS Secrets Manager, Experience with infrastructure automation, Experience with monitoring and production deployments, Experience with DevOps, Experience with CI/CD, Experience with release automation, Experience with test automation, Proficiency with Git, Experience with Azure DevOps or GitHub Actions, Communication and collaboration skills, Experience mentoring developers 📃 Skills: .NET, C#, Angular, AWS, EKS, REST, Microservices, Docker, Kubernetes, Kafka, AMQ, SQL, NoSQL, DevOps, CI/CD, Git, Azure, GitHub, OOP, SOLID 🏢 Description: We are looking for an experienced Senior Full Stack Developer to join a team developing a business-critical platform supporting the offshore wind industry . In this role, you will design, build, and maintain modern cloud-native applications while influencing technical direction and collaborating with cross-functional teams to deliver scalable, secure, and high-performing solutions. Your responsibilities: Design, develop, and maintain scalable applications using .NET Core, C#, and Angular . Build and enhance secure cloud-native solutions on AWS . Develop and maintain REST APIs , microservices, and distributed applications. Improve application reliability, performance, and operational excellence. Implement and maintain CI/CD pipelines and DevOps best practices. Design resilient integrations using messaging technologies such as Kafka . Participate in architecture discussions, code reviews, and technical decision-making. Mentor junior developers and promote engineering best practices across the team. We are looking for you, if you have: Proven commercial experience with .NET Core, C#, and Angular . Strong knowledge of object-oriented programming, SOLID principles , clean code, and software architecture. Experience building REST APIs , microservices, and working with Docker, Kubernetes, Kafka (or AMQ), and SQL/NoSQL databases . Solid hands-on experience with AWS , including EKS, cloud storage, AWS Secrets Manager, infrastructure automation, monitoring, and production deployments. Experience with DevOps , CI/CD, release automation, and test automation. Proficiency with Git , Azure DevOps, or GitHub Actions. Excellent communication and collaboration skills, with experience mentoring developers and working closely with technical and business stakeholders. Location: Hybrid (Warsaw) – 2–3 days per week from the office We offer: Participation in interesting and demanding projects. Flexible working hours. A great, non-corporate atmosphere. Possibility to work remote or hybrid (2 days per week from the office). Opportunities for development and promotion. Attractive package of benefits. We reserve the right to contact the selected candidates.