.NET Fullstack Developer

Next Ventures; Town of Poland (NY); Hybrid; USD 37,000 - 44,000; Full time

Job summary

Next Ventures is seeking an experienced Freelance .NET Full-Stack Developer to join a long-term project with a global consulting partner. This remote role requires based in Poland and starts September 1, 2026.

You will work on C#, .NET Core, ASP.NET MVC, Web API, React and REST microservices in a CI/CD environment. Responsibilities include developing robust APIs, implementing front-end interfaces with React/TypeScript, and collaborating across cross-functional teams.

Qualifications

• Strong experience with C#, .NET Framework, .NET Core / .NET 6+, ASP.NET MVC and Web API.
• Front-end expertise in React, JavaScript, TypeScript, HTML5, CSS3 and Material UI.
• Experience developing REST APIs and microservices.
• Knowledge of Azure SQL, Cosmos DB and data integration.
• Experience with Azure services, Azure DevOps and CI/CD pipelines.
• Proficiency with GitHub or Azure Repos.
• Working knowledge of Docker and containerised development.
• L2/L3/L4 support experience with business-critical applications.
• Strong troubleshooting, monitoring and root-cause analysis skills.
• ITIL certification or production-support experience.
• Availability for an on-call rotation, including nights, weekends and public holidays.

Skills

C#

.NET Framework

.NET Core / .NET 6+

ASP.NET MVC

Web API

React

JavaScript

TypeScript

HTML5

CSS3

Material UI

REST APIs

Microservices

Azure SQL

Cosmos DB

Azure

Azure DevOps

CI/CD pipelines

GitHub

Docker

ITIL

Production support

Tools

Docker

Azure DevOps

GitHub

Azure Repos

Job description

Freelance .NET Full-Stack Developer – Poland (Remote)

I’m currently looking for an experienced .NET Full-Stack Developer to join a long-term project with a global consulting company.

Remote — candidates must be based in Poland
Start date: 1 September 2026
Duration: 12 months
Contract: B2B / Freelance
Rate: 100–120 PLN per hour

What we’re looking for:

• Strong experience with C#, .NET Framework, .NET Core / .NET 6+, ASP.NET MVC and Web API
• Front-end expertise in React, JavaScript, TypeScript, HTML5, CSS3 and Material UI
• Experience developing REST APIs and microservices
• Knowledge of Azure SQL, Cosmos DB and data integration
• Experience with Azure services, Azure DevOps and CI/CD pipelines
• Proficiency with GitHub or Azure Repos
• Working knowledge of Docker and containerised development
• L2/L3/L4 support experience with business-critical applications
• Strong troubleshooting, monitoring and root-cause analysis skills
• ITIL certification or production-support experience
• Availability for an on-call rotation, including nights, weekends and public holidays