Fullstack Developer (.NET + React)

New
100% Remote (Poland) with occasional visits to Warsaw officeContractSenior
Salary22,000 - 27,000 PLN per month
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Job Details

Languages
Polish (B2), English (B2)
Experience
3+ years
Required Skills
HTMLJavascriptMicrosoft SQL ServerTypeScriptC#REST APIReactAzure DevOps

Requirements

  • 3+ years of experience in full-stack development.
  • Proficiency in C#, ASP.NET Core, and .NET Web API.
  • Proficiency in React (state management, component architecture).
  • Strong skills in HTML5, CSS3, and JavaScript/TypeScript.
  • Experience with RESTful API design and integration.
  • Experience with SQL Server (queries, stored procedures, functions, views).
  • Knowledge of Entity Framework.
  • Understanding of design patterns and database normalization.
  • Experience with Azure DevOps for source control and CI/CD.
  • Understanding of application security, performance, and scalability best practices.
  • Bachelor's degree in Computer Science or related field.
  • Fluency in Polish (B2) and English (B2).

Responsibilities

  • Design, develop, and maintain web applications using .NET (C#, ASP.NET Core) and React.
  • Build responsive user interfaces with HTML, CSS, JavaScript, and React.
  • Develop and consume RESTful APIs to connect client-side and server-side components.
  • Implement and optimize data storage using SQL Server (stored procedures, functions, views).
  • Perform coding, debugging, testing, and troubleshooting throughout the development lifecycle.
  • Maintain and enhance existing systems, fixing complex bugs and escalating risks.
  • Capture detailed requirements from stakeholders and translate them into technical specifications.
  • Ensure adherence to coding standards, design patterns, and security best practices.
  • Collaborate with vendor teams and third-party integrations.
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22,000 - 27,000 PLN per month
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