Fullstack Developer (.NET + React)

New

co.brick Talents

100% RemoteContractMiddle

Salary100 - 130 PLN per hour

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Job Details

Languages: Fluent proficiency in Polish (mandatory) and minimum B2 in English (speaking and writing).
Experience: Minimum 3 years of commercial software development experience.
Required Skills: Microsoft SQL ServerReact NativeTypeScriptC#ASP.NET Web API.NETReact

Have a minimum of 3 years of commercial software development experience.
Have solid experience with C#, .NET Core or .NET 8+, ASP.NET Web API, Entity Framework Core, and SQL Server.
Have practical experience with React, React Native, TypeScript, JavaScript, HTML5, and CSS3.
Know Clean Code, SOLID principles, and design patterns.
Have experience with unit and integration testing.
Have practical experience using AI-assisted development tools such as Claude Code, GitHub Copilot, ChatGPT, or OpenAI API.
Be able to collaborate effectively in a fully remote environment and demonstrate self-discipline and good work organization.
Be fluent in Polish and have at least B2 English speaking and writing proficiency.
Nice to have: knowledge of Domain-Driven Design and CQRS.
Nice to have: experience with microservices, cloud-native solutions, Microsoft Azure, Docker, or Azure Cosmos DB.

Build and maintain backend, web, and mobile solutions for the product.
Develop secure and scalable services and REST APIs using C#, .NET, ASP.NET Web API, Entity Framework Core, and SQL Server.
Implement responsive web and mobile features using React, React Native, TypeScript, JavaScript, HTML5, and CSS3.
Develop business logic and improve SQL Server database structures using Entity Framework Core.
Apply Clean Code, SOLID principles, and design patterns, and write unit and integration tests.
Use AI-assisted development tools for code generation, refactoring, and workflow optimization.
Participate in technical discussions, code reviews, task estimation, and solution development.
Document implemented solutions and collaborate with team members in Polish and English.

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