Sr Full Stack Engineer

First Advantage; Atlanta (GA); On-site; MXN 900,000 - 1,500,000; Full time

Benefits offered by this job

Employee Impact Groups

FA Cares volunteer opportunities

Mentorship Advantage Program

SOAR, award‑winning manager program

Job summary

First Advantage in the Mexico region is seeking a Senior Full Stack Software Engineer to maintain and enhance our end-user platform, focusing on frontend development with React/TypeScript and backend with Node.js. You will work with the Product Owner and Lead Architect to ensure security, quality, and scalable UI solutions.

The role requires 5+ years of frontend experience, strong React/Node skills, and micro-frontend/microservices expertise, plus experience with tests and on-call

Qualifications

• Bachelor’s degree in computer science or equivalent experience.
• 5+ years of frontend software development experience.
• Strong experience with React.JS and Node.JS.
• Design and develop micro-frontend/microservices with Node.js.
• RESTful API experience.
• Experience with SQL/NoSQL databases.
• Ability to write unit tests and use mocking frameworks.
• Experience with source control in a team.
• On-call rotation participation.
• Understand business requirements and plan accordingly.

Responsibilities

• Design and develop software applications per requirements.
• Write, edit, and debug code; understand how applications operate.
• Assist testing and resolve issues; respond to bug reports.
• Mentor junior developers on patterns.
• Review designs and provide feedback.
• Own delivery schedule and estimate effort.
• Design for stability, scalability, and performance.
• Apply test-driven development to designs.

Skills

React.js

Node.js

TypeScript

Frontend development

RESTful APIs

Unit testing

On-call support

Collaboration

Education

Bachelor’s degree in computer science or equivalent experience

Tools

AWS

Cypress

TestCafe

Git

JIRA/ADO

Confluence

OpenSearch

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 with Node.js and NPM
• Knowledge of RESTful API 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
• Respond to application outages as part of a regular team on‑call rotation.
• Work closely with the software architects to create high‑level applications
• Understand business requirements and create plans accordingly

Preferred skills & experience:

• Have good knowledge about Security Vulnerabilities of software applications
• Have experience to cooperate LLM usage into software development life cycle
• AWS Cloud technology stacks such as S3, SQS, CloudFront, Cloud Formation, AppSync, API Gateway, DynamoDB, ECS, Lambda and OpenSearch
• UI testing experience using Cypress and TestCafe
• Proficiency using Git in a collaborative development environment.
• Ability to work independently and drive projects from inception to delivery in area of expertise.
• Comfortable producing at a high level in a work from home and office environment with onshore and offshore teams using collaboration tools such as MS Teams, Zoom, JIRA/ADO and Confluence
• Provide accurate estimates and manage individual priorities, deadlines, and deliveries as part of a team workflow. (Kanban/Scrum)

Why Join Us at First Advantage?

At First Advantage, team members are united around a noble purpose: helping organizations to safeguard their workplaces and manage risk. The company’s culture is shaped by its core values — Authenticity, Curiosity, Integrity, Teamwork, Customer‑Inspired — empowering team members to bring their best ideas forward, collaborate across departments, and make a real impact.

First Advantage offers a variety of culture programs and benefits designed to enhance employee experience and development.

• Employee Impact Groups
• FA Cares volunteer opportunities
• Mentorship Advantage Program
• SOAR, award‑winning manager development program

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Equal Employment Opportunities at First Advantage
First Advantage is an equal opportunity employer. We are committed to providing a workplace and recruitment process that is free from unlawful discrimination, harassment, and retaliation. Employment decisions at First Advantage are based solely on qualifications, merit, and business needs. We do not discriminate in any aspect of employment on the basis of race, color, national origin, ancestry, citizenship, religion, creed, sex, gender identity, gender expression, sexual orientation, marital or family status, pregnancy, age, physical or mental disability, medical condition, genetic information, veteran or military status, or any other characteristic protected by applicable law.