Senior Full Stack Engineer — Remote (US)

First Advantage Global operating Centre; United States; Remote; USD 110,000 - 140,000; Full time

Job summary

First Advantage is seeking a Senior Full Stack Engineer to join a fast-paced, growth-focused team. The role emphasizes building .NET Web APIs with modern frontend work using React or Angular and collaborating with product to deliver high-quality, scalable solutions.

The ideal candidate has 5+ years of API development, strong frontend knowledge, and hands-on experience with cloud services and CI/CD. This remote US position offers a competitive compensation package and professional growth

Qualifications

• 5+ years developing Web APIs for enterprise SaaS applications (preferably .NET C#).
• Strong understanding of modern frontend frameworks (preferably React).
• Expertise with SOLID design principles, Dependency Injection, micro services etc.
• Experience with Continuous Integration / Continuous deployment.
• Strong experience with building backend web services and REST APIs.
• Unit and integration test automation with XUnit, NUnit, RhinoMocks, MOQ, or equivalent tools.
• Experience with UI Frameworks and UI automation scripts (TestCafe or similar).
• Experience with cloud-based technologies like AWS, Azure etc.

Responsibilities

• Develop containerized REST APIs using NodeJS, Java and .NET Core with high test coverage.
• Create and maintain modern UIs using responsive design with React/Angular.
• Collaborate with product team on user stories and propose designs.
• Engage as a technical expert in an agile team environment.
• Work in an Agile/Scrum development environment.

Skills

Web APIs development

Frontend frameworks (React)

SOLID design principles

CI/CD

Cloud technologies (AWS, Azure)

Unit/integration testing

UI frameworks/automation (TestCafe)

Git

Education

Bachelors in CS/Engineering or related field

Tools

.NET Core

NodeJS

Java

React

Angular

Test frameworks (XUnit/NUnit/RhinoMocks/Moq)

REST APIs

Job description

First Advantage is seeking a Senior Full Stack Engineer to join a fast-paced, growth-focused team. The role emphasizes building .NET Web APIs with modern frontend work using React or Angular and collaborating with product to deliver high-quality, scalable solutions.

The ideal candidate has 5+ years of API development, strong frontend knowledge, and hands-on experience with cloud services and CI/CD. This remote US position offers a competitive compensation package and professional growth