Jobs and Careers

Sr. Full Stack Engineer Engineer (US Remote)

United States - Remote, United StatesRemotefull_timeVerifiedPosted 12 Sept 2025

💰 $140,000/yr($110,000/yr – $140,000/yr)

About the role

Job Title: Senior Full Stack Engineer
Location: United States remote
Job Type: Full-Time

At First Advantage (Nasdaq: FA), people are at the heart of everything we do. From our customers and partners to our greatest advantage — our team members. Operating with empathy and compassion, First Advantage fosters a global inclusive workforce devoted to the diverse voices that make up our talent and products. Our team members empower each other to be their authentic selves and treat all with respect, integrity, and fairness.

Say hello to a rewarding career, and come join a leading provider of mission-critical background screening solutions to some of the most recognized Fortune 100 and Global 500 brands.

Job Description:
We are looking for a Sr Full Stack Engineer to join a fast-paced, aggressive-growth company. We are looking for a backend developer with considerable experience building .NET Web APIs, and a strong understanding of modern frontend frameworks like React or Angular. This talented person should desire to work with a highly talented team of developers and willing to utilize the latest in development technologies. We strive for innovative solutions, quality code and on-time delivery. We foster a fun and enjoyable work environment with great opportunities to grow your career.

Key Responsibilities:

Develop cutting-edge, containerized REST APIs utilizing NodeJS, Java and .NET Core for WebAPI framework with high quality and full test coverage
Assist in creating and maintaining modern UIs using responsive web design, JavaScript and frontend frameworks like React and Angular.
Comfort working with GIT based source control in a collaborative environment
Engage as a technical expert in an agile team environment
Collaborate and communicate with the product team on user stories and propose designs
Collaborate with the development team and assist developers on UI consistency
Work in an Agile/Scrum development environment

Required Qualifications:

Bachelor’s degree in Computer Science, Engineering, or a related field or equivalent work experience
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, including REST APIs, JSON, and XML
- 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.

Preferred Qualifications:

Good understanding of Restful APIs development in Java / .NET Core for WebAPI
Good understanding of programming languages like C# / Java and ability to follow quality coding standards.
Experience with cloud-based application development, preferably utilizing AWS or Azure
Experience with NLog, log4net, or similar logging frameworks
Strong Communication Skills, ability to effectively and tactfully communicate orally and in writing.
Strong at prioritizing tasks while working on multiple projects.
Ability to work independently and drive projects from inception to delivery.
Strong analytical and problem-solving skills.
Detail oriented and highly organized.
Experience with Groovy Scripting
Experience with RDBMS, preferably MYSQL and SQL Server
Experience with NoSQL DBs like DynamoDB, Redis
Experience with client-side frameworks like AngularJS, ReactJS
Experience with CSS frameworks like Tailwind CSS
Experience with Project Management tools like Jira, confluence
Experience with client-sid