Senior Full-Stack .NET Developer

Quick Facts

• Role: Senior Full-Stack .NET Developer

• Work model: On-site/near-site in Warsaw, full-time (40 h/week)

• Rate: Up to 32 EUR/h net (B2B)

• Requirement: EU citizenship

Description

Design, develop, and support enterprise web applications built with .NET and React, translating business requirements into technical solutions through deployment, release management, and 3rd-line production support.

Responsibilities

• Design, develop, and maintain enterprise web applications

• Build and support solutions in .NET (C#, ASP.NET Core) and React (TypeScript)

• Translate business requirements into technical solutions

• Participate in testing, deployment, release management, and production support

• Optimize application performance, security, and quality

• Produce technical documentation and provide 3rd-line support

Benefits

• Up to 32 EUR/h net (B2B)

• Full-time role (40 h/week) on-site/near-site in Warsaw

Requirements

• EU citizenship

• 6+ years of IT experience, including 3+ years in a similar development role

• Strong experience with .NET 8/.NET Core, C#, and ASP.NET Core

• React and TypeScript on the front end

• Entity Framework and SQL Server

• Azure DevOps pipelines

• Experience with OpenShift / containers

• Knowledge of SAML 2.0 / Entra ID authentication

• Agile/Scrum experience

• Advanced software development certification

• English at least B2 and fluent Polish