CodiLime logo
CodiLime

A strategic partner for technology-driven companies | Network engineering | Software engineering

Fullstack Engineer, C#, .NET, React

Backend EngineerSoftware EngineerContractRemoteSeniorTeam 201-500Since 2011H1B No SponsorCompany SiteLinkedIn

Location

Poland

Posted

7 days ago

Salary

zł16.5K - zł25K / month

Seniority

Senior

Job Description

Fullstack Engineer, C#, .NET, React

CodiLime

• Develop and maintain web applications using React and TypeScript. • Develop complex user interfaces for data-intensive applications. • Design and implement large interactive tables, filters, and configuration screens. • Integrate data visualization and mapping solutions into business applications. • Develop backend services and REST APIs using C# and ASP.NET Core. • Design and optimize database access layers using Entity Framework. • Work with Azure SQL and PostgreSQL databases. • Integrate authentication and authorization solutions using OAuth, JWT, and Okta. • Implement secure multi-tenant application patterns. • Collaborate closely with product, data, and platform teams. • Participate in architectural discussions and technical decisions. • Use AI-powered development tools to improve productivity and code quality. • Contribute to the future AI capabilities of the platform.

Job Requirements

  • 6+ years of professional experience in full-stack web development
  • Strong experience with C# and ASP.NET Core
  • Strong experience with React and TypeScript
  • Experience with component libraries such as MUI or similar design systems
  • Experience with data-heavy interfaces, interactive tables, advanced filtering solutions, data visualization libraries, and mapping technologies
  • Experience developing and maintaining REST APIs
  • Practical knowledge of .NET 8+ ecosystem
  • Experience with Entity Framework
  • Strong SQL skills and experience with relational databases (Azure SQL, PostgreSQL)
  • Experience with OAuth 2.0, JWT, and role-based access control
  • Understanding of multi-tenant SaaS application security
  • Experience using modern AI-assisted development tools
  • Good knowledge of English (minimum C1 level).

Benefits

  • Flexible working hours and approach to work
  • Professional growth supported by internal training sessions and a training budget
  • Solid onboarding with a hands-on approach to give you an easy start
  • A great atmosphere among professionals who are passionate about their work

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