Sr Full Stack Engineer

First Advantage Global operating Centre; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

First Advantage is seeking a Senior Full Stack Software Engineer to maintain and enhance its end-user platform, focusing on modern frontend development with React and TypeScript, and on the backend with Node.js. You’ll own delivery from design through deployment, collaborating with Product Owner and Lead Architect to meet security and quality standards.

The role emphasizes scalable, high‑quality solutions across the stack, including micro-frontend architectures, automated testing, and a strong

Qualifications

• Bachelor's degree in Computer Science or equivalent experience.
• 5+ years of frontend software development experience.
• Experience with React.js frontend and Node.js backend.
• Experience designing micro-frontend or microservices with Node.js and NPM.
• Knowledge of RESTful API services and SQL/NoSQL databases.
• Proficient in writing unit tests and using mocking frameworks.
• Experience with source control in a team environment.
• Experience delivering and supporting complex integration projects.

Responsibilities

• Design and develop software applications based on documented requirements.
• Write, edit, and debug code; understand application structure and user behavior.
• Support testing and resolve issues; respond to bug reports promptly.
• Mentor junior developers on patterns and challenges.
• Review designs and code; provide feedback and guidance.
• Own delivery schedule and estimate effort for functionality.
• Design for stability, scalability, and performance; solve complex problems.
• Apply Test-driven Development to specify executable designs.

Skills

React.js

Node.js

TypeScript

Unit testing

TDD

Education

Bachelor's degree in Computer Science

Tools

NPM

REST APIs

SQL/NoSQL

Git

Microservices

Job description

Senior Full Stack Software Engineer

We are on the front line of recruitment, enabling organizations to hire smarter and onboard faster. 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.

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.

About First Advantage

First Advantage (NASDAQ: FA) is a leading provider of global software and data in the HR technology industry. Enabled by proprietary technology and AI, First Advantage’s platforms, data, and APIs power comprehensive employment background screening, identity solutions, and verification services.

Headquartered in Atlanta, GA, we have an internationally distributed workforce of about 10,000 employees spanning 17 countries. With a strong emphasis on innovation, automation, and customer success, First Advantage empowers 80,000 organizations to modernize their hiring and onboarding processes on a global scale.

What You’ll Do

As a successful Full Stack Senior Software Engineer , you will help maintaining and enhancing First Advantage’s key end-user-facing platform, owning delivery from design through deployment with a strong focus on modern frontend development. This hands‑on role partners with the Product Owner and Lead Architect to ensure adherence to FADV security and quality standards, while building scalable, high-quality solutions across the stack with an emphasis on React, JavaScript/TypeScript, and modern UI practices. The role involves developing and optimizing a high-volume, security-intensive application using automated testing and deployment frameworks, while ensuring an intuitive user experience for hiring managers and candidates. Strong communication skills are essential to collaborate effectively with cross‑functional and globally distributed teams.

Responsibilities:

• Design and Develop software applications and solutions based on documented business and system requirements.
• Write, edit, and debug code for assigned projects. Understand how applications operate, are structured, and how customers use them
• Provide assistance to the testing team and support personnel as needed to resolve application issues. Respond promptly and professionally to bug reports.
• Assist and mentor junior developers on technical patterns and coding challenges.
• Review designs and code and provide feedback and guidance.
• Take ownership of the delivery schedule and quality of work. Provide input and estimates about the effort required to build desired functionality.
• Design applications for stability, scalability, and performance. Design solutions to problematic programming.
• Use Test-driven Development (TDD) techniques to specify a detailed, executable design for your solution

What You Will Need to be Successful:

• Education requirements: Bachelor’s degree in computer science or equivalent experience
• 5+ years of frontend software development experience
• Must have working experience writing and deploying UI Applications using React.JS and Backend Applications in Node.JS
• Design and develop Micro-frontend and/or Microservices systems withNode.js and NPM
• Knowledge ofRESTfulAPI services
• Should have working knowledge on SQL/NoSQL Database
• Experience developing and supporting mission critical applications in a production environment.
• Proficient in writing unit tests and experience using mocking frameworks.
• Usage of source control management in a team environment
• Experience in supporting and/or implementing complex integration projects
• Experience in solving technical issues with thorough research and investigation