Full Stack Engineer

June 22, 2026

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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: The Software Engineer is responsible for building new features, enhancing existing functionality, and providing ongoing support for First Advantage’s fingerprinting and background screening products. Working within a high volume and security sensitive environment, the Software Engineer will participate in the full software development lifecycle, develop and integrate components into a fully functioning system, and contribute to software verification and automated quality assurance. The role includes maintaining documentation, supporting deployments, and applying industry standards, secure coding practices, and team defined processes. This role is suited for an engineer who is comfortable working with evolving requirements, curious about emerging technologies such as AI, and willing to research and learn independently when approaching complex or unfamiliar topics. <ul><li>* For compliance reasons, all personnel must be United States Citizens and have, for 3 of the past 5 years, resided in the United States OR worked for the United States overseas in a federal or military capacity OR be a dependent of a federal or military employee serving overseas. In addition to our standard pre-employment background check and drug screen, you will be required to undergo additional checks to obtain an LAR certification via the the proper channels in order to be in this role.</li></ul> Key Responsibilities:<ul><li>Assist in solutioning application enhancements by clarifying requirements, designing functionality, and evaluating technical options</li><li>Extend and improve full stack systems by implementing enhancements, monitoring performance, and identifying improvement opportunities</li><li>Develop secure and maintainable code using C#, .NET, Razor Pages, RESTful APIs, and associated libraries</li><li>Validate and troubleshoot RESTful services using Postman and other toolsets</li><li>Create and update automated tests using Playwright and related frameworks</li><li>Write SQL queries, stored procedures, and data access logic using Microsoft SQL Server</li><li>Contribute to secure and compliant cloud deployments using Azure services and standardized automation practices</li><li>Manage and maintain source control and CI/CD pipelines through GitHub and GitHub Actions</li><li>Support production releases and assist in diagnosing and resolving application issues</li><li>Research new technologies, frameworks, and domain topics when handling open‑ended or complex requirements</li><li>Participate in educational opportunities, professional development, and knowledge sharing with teammates</li><li>Collaborate effectively with cross‑functional teammates and communicate clearly across technical and non‑technical groups</li></ul> Required Qualifications:<ul><li>3–5 years hands‑on experience developing with C#/.NET</li><li>Experience with Razor Pages or equivalent server‑rendered web frameworks</li><li>3–5 years experience working with relational databases such as Microsoft SQL Server</li><li>Demonstrated competence with object‑oriented design, design patterns, and multi‑tiered architectures</li><li>Experience with RESTful API design, JSON, XML, and modern service communication standards</li><li>Exposure to Azure cloud services or similar cloud platforms</li><li>Working knowledge of GitHub source control and CI/CD pipelines via GitHub Actions</li><li>Experience using Postman, Playwright, or equivalent tools for testing and validation</li><li>Ability to troubleshoot and resolve complex technical issues with a methodical approach</li><li>Comfortable working with incomplete or evolving requirements and conducting independent research</li><li>AI‑curious: open to using AI tools to enhance efficiency while maintaining independent problem‑solving skills</li><li>Strong communication and collaboration skills, with a professional and respectful approach</li></ul> Preferred Qualifications:<ul><li>Experience with NoSQL databases (e.g., CosmosDB, MongoDB)</li><li>Experience with MVC, MVVM, or similar architectural design patterns</li><li>Familiarity with Visual Studio, VS Code, and other modern development toolsets</li></ul> Why First Advantage is Your Next Big Career Move First Advantage is going through a technology transformation! We are looking for experts who are excited to work with advanced technologies and provide best-in-class user experiences, drive the development and deployment of scalable solutions, and smoothly guide our agile teams and clients through meaningful changes as we continue to expand our impact. What Are You Waiting For? Apply Today! You have learned a little about us today – we want to learn about you! If you think this position and our company are a great fit for your areas of interest and expertise, tell us about you by applying now! The salary range for this position is approximately $90,000-$110,000 base annually. This range reflects our good faith estimate to pay fairly as to what our ideal candidates are likely to expect, and we tailor our offers within the range based on the selected candidate’s experience, industry knowledge, technical and communication skills, and other factors that may prove relevant during the interview process.We have great people here and are looking for more. Come join us! Follow us:<ul><li><a href="https://www.facebook.com/FirstAdvantage1" target="_blank" rel="noopener noreferrer">Facebook</a></li><li><a href="https://www.instagram.com/first_advantage/" target="_blank" rel="noopener noreferrer">Instagram</a></li><li><a href="https://www.linkedin.com/company/first-advantage" target="_blank" rel="noopener noreferrer">LinkedIn</a></li><li><a href="https://twitter.com/firstadvantage" target="_blank" rel="noopener noreferrer">X</a></li><li><a href="https://www.youtube.com/user/FirstAdantage1" target="_blank" rel="noopener noreferrer">YouTube</a></li></ul>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.

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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...