Full Stack Developer with React and C#, Web Platform (GMT-4 time zone)

4 126 - 5 364 USDNet per month - B2B
3 301 - 4 263 USDGross per month - Permanent
C

Full Stack Developer with React and C#, Web Platform (GMT-4 time zone)

C
Prosta 20, Warszawa +4 Locations

DataArt

Full-time
B2B, Permanent
Mid
Remote
4 126 - 5 364 USDNet per month - B2B
3 301 - 4 263 USDGross per month - Permanent

Job description

Project overview

The project is a web based application platform designed to support complex user workflows and data driven features. It focuses on performance, maintainability, and iterative delivery of new capabilities.

Team

You will be part of a cross functional development team consisting of full stack developers, frontend specialists, backend engineers, and QA engineers. The team works collaboratively, reviews code regularly, and follows shared development standards and branching practices.

Position overview

We are looking for a Full Stack Developer to contribute to the development and evolution of a modern web application platform. You will work on both frontend and backend components, focusing on building reliable, scalable features and improving existing functionality. The role combines hands on development with close collaboration across engineering and product roles.

Technology stack

React, TypeScript, C#, .NET, SQL based databases, Git, REST APIs, AI assisted development tools such as Claude and Cursor

Responsibilities

  • Develop and maintain frontend features using React and related technologies

  • Build and support backend services using C# and .NET

  • Collaborate with team members on feature design, implementation, and code reviews

  • Work with SQL based databases to design, query, and optimize data storage

  • Use AI assisted development tools to improve development efficiency and code quality

  • Follow established Git workflows and branching strategies

  • Participate in troubleshooting, debugging, and performance improvements

Requirements

  • Experience building web application platforms in a full stack role

  • Hands on experience with React for frontend development

  • Experience with C# and .NET or comparable backend technologies

  • Understanding of SQL based databases and practical experience writing queries

  • Experience using AI tools to support software development, including Claude or Cursor

  • Solid understanding of Git, version control, and common branching flows

  • Ability to work with existing codebases and contribute to ongoing development

Nice to have

  • Experience with cloud based environments

  • Familiarity with CI CD pipelines

  • Experience working on large scale or long term web platforms

  • Exposure to performance optimization and application monitoring

What We Offer:

  • Vacation days: Up to 26 business days per year.

  • 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types

  • Health and life insurance (Luxmed)

  • MyBenefit platform with Multisport option

  • Internal psychological support service

  • English language classes from the first working day

  • Access to external learning platforms: O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training

  • Flexible workplace: work from the office, from home, or choose a hybrid option

  • Tech Skills Mentoring Program

  • Opportunities to develop as a public speaker, mentor, or technical interviewer

  • Fully paid idle (bench) when not involved in a project

  • Certification reimbursement (AWS, GCP, Microsoft, etc.)

 

Tech stack

    English

    B2

    C# and .NET

    advanced

    SQL

    advanced

    AI Tools

    advanced

Office location

Full Stack Developer with React and C#, Web Platform (GMT-4 time zone)

4 126 - 5 364 USDNet per month - B2B
Summary of the offer

Full Stack Developer with React and C#, Web Platform (GMT-4 time zone)

Prosta 20, Warszawa
DataArt
4 126 - 5 364 USDNet per month - B2B
3 301 - 4 263 USDGross per month - Permanent
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