Logo for 3Core Systems, Inc

Senior Full-Stack .NET/React Developer

Roles & Responsibilities

  • 3-5 years of experience in full stack development.
  • Strong knowledge of .NET Core / ASP.NET Core, C#, and React JS.
  • Proficiency in JavaScript/TypeScript, HTML, and CSS.
  • Experience with relational (PostgreSQL, MySQL) and non-relational (MongoDB, Cosmos DB) databases.

Requirements:

  • Develop and maintain full stack cloud-based web applications using .NET (C#) and React JS.
  • Write clean, maintainable, and testable code with strong unit and integration test coverage in a microservice architecture environment.
  • Design and consume RESTful APIs and work with relational and non-relational databases.
  • Collaborate with product managers, designers, and fellow developers to deliver high-quality features, participate in code reviews, and contribute to CI/CD pipelines and deployment automation.

Job description

This is a remote position.

Role: Senior Full-Stack .NET/React Developer

Location: REMOTE

Duration: 6+ Months Contract


What success looks like in this role:

  • Develop and maintain full stack cloud-based web applications using .NET (C#) and React JS.
  • Write clean, maintainable, and testable code with a strong focus on unit and integration test coverage in a microservice architecture environment
  • Design and consume RESTful APIs and work with both relational and non-relational databases.
  • Collaborate with product managers, designers, and fellow developers to deliver high-quality features.
  • Participate in code reviews, technical discussions, and architectural planning.
  • Contribute to CI/CD pipelines and deployment automation.
  • Support containerized application development using Docker and Kubernetes.

 

What success looks like in this role:

  • Develop and maintain full stack cloud based web applications using .NET (C#) and React JS.
  • Write clean, maintainable, and testable code with a strong focus on unit and integration test coverage in a microservice architecture environment
  • Design and consume RESTful APIs and work with both relational and non-relational databases.
  • Collaborate with product managers, designers, and fellow developers to deliver high-quality features.
  • Participate in code reviews, technical discussions, and architectural planning.
  • Contribute to CI/CD pipelines and deployment automation.
  • Support containerized application development using Docker and Kubernetes.

 

3–5 years of experience in full stack development.

  • Strong knowledge of .NET Core / ASP.NET Core, C#, and React JS.
  • Proficiency in JavaScript/TypeScript, HTML, and CSS.
  • Experience working with relational (e.g., PostgreSQL, MySQL) and non-relational (e.g., MongoDB, Cosmos DB) databases.
  • Solid understanding/experience of microservices, cloud (Azure or AWS), software testing practices and commitment to maintaining high test coverage.
  • Good problem-solving skills and attention to detail.
  • Strong communication in English and teamwork abilities

 Nice-to-Haves:

  • Experience with Kubernetes and container orchestration.
  • Familiarity with CI/CD tools (e.g., Azure DevOps, GitHub Actions, Jenkins).
  • Exposure to cloud platforms like Azure or AWS.
  • Understanding microservices architecture.
  • Knowledge of Server-Side React or Node.js for prototyping purposes
  • Experience with GitHub Copilot.


React Developer Related jobs

Other jobs at 3Core Systems, Inc

We help you get seen. Not ignored.

We help you get seen faster — by the right people.

🚀

Auto-Apply

We apply for you — automatically and instantly.

Save time, skip forms, and stay on top of every opportunity. Because you can't get seen if you're not in the race.

AI Match Feedback

Know your real match before you apply.

Get a detailed AI assessment of your profile against each job posting. Because getting seen starts with passing the filters.

Upgrade to Premium. Apply smarter and get noticed.

Upgrade to Premium

Join thousands of professionals who got noticed and hired faster.