.NET DeveloperWe are looking for a .NET Developer responsible for developing and maintaining applications. You will work closely with our project team, analyze business requirements, and ensure high-quality code delivery through testing, code reviews, and the use of security tools. This role involves both developing new features and supporting production environments.About DevapoAt Devapo, we focus on continuous self-development and acquiring new knowledge. We build solutions leveraging various cloud platforms and utilize cutting-edge technologies to deliver innovative results. If you are a fast learner, want to participate in international projects, are a team player, and can work independently — join us!We provide our clients with more than just code — we want to equip them with tools that allow their businesses to flourish. Our clients' success is our success, which is why we ensure that everyone who creates Devapo has a long-term goal in mind. At Devapo, you'll have the opportunity to discuss your challenges and solutions with our team of experts, including experienced architects who are always ready to share their knowledge and guide you through complex technical decisions.Responsibilities:Developing and maintaining .NET applications and collaborating with the project teamAnalyzing business requirements and translating them into technical solutionsEnsuring code quality through unit testing, integration testing, code reviews, and vulnerability scanningMaintaining applications and providing production supportOptimizing and updating softwareParticipating in the automation of deployment processesCreating technical documentationImplementing RESTful APIs and integrating with external servicesRequirements:Minimum 3 years of commercial experience with .NET (Core/.NET 5+)Strong knowledge of C# and object-oriented programmingExperience with ASP.NET Core and Web API developmentProficiency in Entity Framework Core or other ORM toolsStrong knowledge of SQL and relational databases (SQL Server, PostgreSQL)Experience with REST API development and consumptionFamiliarity with version control systems (Git)Knowledge of best programming practices (e.g., SOLID, KISS) and design patternsAbility to write unit and integration tests (xUnit, NUnit, or MSTest)Understanding of asynchronous programming and multithreadingNice to have:Experience with Azure cloud services (App Service, Functions, Service Bus)Knowledge of microservices architectureExperience with Docker and KubernetesFamiliarity with message brokers (RabbitMQ, Azure Service Bus, Kafka)Experience with front-end technologies (Angular, React, or Vue.js)Knowledge of CI/CD pipelines (Azure DevOps, GitHub Actions)Experience with NoSQL databases (MongoDB, CosmosDB)Familiarity with Domain-Driven Design (DDD) principlesKnowledge of authentication and authorization (OAuth, JWT, IdentityServer)What We Offer:Salary: 90-130 PLN/h (B2B)Training and certification funding with learning opportunities during work hoursPrivate medical care through MedicoverMultisport benefitsLanguage classes (English)Flexible working hoursTeam meetings and integration eventsReferral bonus for recommending new employe