Senior Gen AI .Net Developer

35 - 41 USDNet per hour - B2B
Net

Senior Gen AI .Net Developer

Net
-, Gdańsk +4 Locations

Infogain

Full-time
B2B
Senior
Remote
35 - 41 USD
Net per hour - B2B

Job description

Project info:

For our client, we are seeking an experienced Senior Gen AI .NET Developer with proven hands-on experience in migrating production applications from .NET Framework to .NET 8 with practical Gen AI tools experience (including advanced usage of coding agents).

The ideal candidate has extensive professional experience in C# and .NET, with a strong background in designing, developing, and maintaining .NET applications, particularly in API development and application modernization.


Job Requirements:

  • Overall 7+ years of professional experience in C# and .NET.

  • Practical experience with advanced usage of coding agents

  • Strong hands-on experience with:

  • Copilot agents, Claude Code or another Gen AI solution

  • .NET Framework (4.x)

  • ASP.NET MVC / Web API

  • ASP.NET Core (.NET 6 / 7 / 8/10)

  • Dapper or other ORM framework

  • Redis

  • NLog or modern logging frameworks

  • Swagger / OpenAPI, JSON serialization and model binding

  • API Development and versioning strategies

  • Familiarity with CI/CD pipelines (Azure DevOps, GitHub Actions, etc.)

  • Experience deploying ASP.NET applications to IIS and/or cloud platforms

  • Working knowledge of certificates, secrets, and environment configuration

  • Comfortable working with automated test suites and quality gates

  • Experience in integrating AI-driven solutions

  • Migration-Specific Experience

  • Demonstrated experience migrating applications from .NET Framework to .NET Core / .NET 8

  • Strong understanding of:

  • Dependency Injection patterns across Framework and Core

  • Configuration models (Web.config vs appsettings.json)

  • Middleware and request pipeline differences

  • Ability to decompose migration work into small, safe PRs


Must possess a legal work permit in Poland


Benefits:

General benefits - depends on the form of employment 

  • Hybrid work model / remote work 

  • Attractively located office with collaboration spaces

  • Onsite parking space for employees

  • Referral program with financial bonus 

  • Life Insurance 

  • Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment 

  • Access to internal Learning Platform with multiple trainings oriented for professional growth 

Lifestyle benefits: 

  • Access to MyBenefit platform (Multisport included)

  • Team Building activities 

  • Charity initiatives 

  • Working environment promoting diversity and inclusion 

Health benefits: 

  • Private medical care - Platinum Package

Tech stack

    C#

    master

    .Net

    master

    ASP.NET

    advanced

    ORM

    advanced

    Redis

    advanced

    Swagger

    advanced

    OpenAPI

    advanced

    JSON

    advanced

    CI/CD

    advanced

    .Net Framework

    advanced

Office location

Published: 19.01.2026

Senior Gen AI .Net Developer

35 - 41 USDNet per hour - B2B
Summary of the offer

Senior Gen AI .Net Developer

-, Gdańsk
Infogain
35 - 41 USDNet per hour - B2B
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Senior Gen AI .Net Developer - Infogain