Senior Full-Stack .NET Developer

Quick Facts

• Role: Senior Full-Stack .NET Developer

• Contracting: Cooperation agreement signed directly with the contracting partner

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

• Rate: Up to 32 EUR/h net (B2B)

• Requirement: EU citizenship required

Description

Join the team to design, develop, and support enterprise web applications built with .NET and React. You will translate business requirements into technical solutions and take them through testing, deployment, release management, and 3rd-line production support.

Responsibilities

• Design, develop, and maintain enterprise web applications

• Build and support solutions using .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

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 for the front end

• Entity Framework and SQL Server

• Azure DevOps pipelines

• Experience with OpenShift or containers

• Knowledge of SAML 2.0 / Entra ID authentication

• Agile/Scrum experience

• Advanced software development certification

• English at least B2 and fluent Polish