What is a QA Engineer at AvidXchange?

As a QA Engineer at AvidXchange, you are the primary gatekeeper of quality for a platform that processes billions of dollars in B2B payments and accounts payable transactions. In the financial technology sector, software defects do not just cause minor inconveniences; they can disrupt critical business operations, delay vendor payments, and compromise sensitive financial data. Your role is essential to maintaining the trust and reliability that the company's enterprise clients depend on.

You will be responsible for designing, building, and executing comprehensive test strategies across complex financial workflows. This involves validating API integrations, ensuring data integrity within backend databases, and automating testing pipelines to keep pace with agile development cycles. The work directly impacts the core product suite, ensuring that payment automation features are scalable, secure, and user-friendly.

Expect an environment where you must balance rigorous technical validation with an understanding of end-user business processes. You will collaborate closely with engineering managers, product owners, and remote development teams to identify edge cases, isolate bugs, and streamline the release process. This role offers the opportunity to tackle complex, high-stakes technical challenges while driving continuous improvement in AvidXchange's engineering culture.

Common Interview Questions

The questions below represent the patterns and themes commonly encountered in AvidXchange interviews. While you may not be asked these exact questions, practicing them will help you build the mental muscle needed to structure your responses effectively on interview day.

Test Strategy & Automation

This category tests your ability to plan, design, and implement automated testing solutions efficiently.

• How do you decide which test cases should be automated and which should remain manual?
• Walk us through the architecture of the last automation framework you worked on.
• Explain the concept of the Page Object Model and why it is beneficial.
• How do you handle dynamic elements or changing locators in web automation?
• Describe a time when your automated tests caught a critical regression issue.

Technical & API Testing

These questions evaluate your hands-on technical skills, specifically regarding backend systems, databases, and APIs.

• How do you validate a JSON response from a REST API?
• Write a SQL query to retrieve the second highest salary from an employee table.
• What is the difference between a PUT and a PATCH request?
• How do you pass data from one API response to another API request in Postman?
• Explain how you would test a database migration.

Behavioral & Problem Solving

This assesses your cultural fit, conflict resolution skills, and how you navigate workplace challenges.

• Tell me about a time you had a disagreement with a developer regarding a bug. How was it resolved?
• Describe a situation where you had to meet a tight deadline but testing was falling behind.
• How do you stay organized and prioritize your work when dealing with multiple critical defects?
• Tell me about a time you had to adapt to a sudden change in project requirements.
• What would you do if you were asked to test a feature but were given no documentation?

Getting Ready for Your Interviews

Thorough preparation is critical to navigating the AvidXchange interview process. You should approach your preparation by focusing on the core competencies that the hiring team will evaluate.

Here are the key evaluation criteria you will be measured against:

Technical Proficiency & Test Automation – Interviewers will assess your ability to design robust test frameworks and write automated scripts. You must demonstrate a strong grasp of testing methodologies, API validation, database querying, and modern automation tools relevant to enterprise software.

Analytical Problem-Solving – This evaluates how you approach complex bugs and edge cases. You can demonstrate strength here by explaining your methodology for isolating defects, analyzing root causes, and ensuring comprehensive test coverage for intricate financial workflows.

Communication and Collaboration – Given the cross-functional and often remote nature of the teams at AvidXchange, your ability to communicate clearly is paramount. Interviewers will look at how you articulate technical concepts to non-technical stakeholders, how you handle pushback, and how you collaborate with developers to resolve issues.

Adaptability and Composure – The interview panels can sometimes be dynamic and unpredictable. Interviewers evaluate your ability to remain professional, focused, and articulate, even when faced with ambiguous questions, unstructured panel dynamics, or shifting expectations.

Interview Process Overview

The interview process for a QA Engineer at AvidXchange typically spans two to four weeks and involves a mix of behavioral and technical evaluations. Your journey will begin with an initial recruiter screen to discuss your background, salary expectations, and general fit for the role. This is usually a straightforward, positive conversation aimed at aligning your experience with the team's needs.

Following the recruiter screen, you may be asked to complete an online technical assessment to validate your foundational QA knowledge and scripting abilities. Once cleared, you will advance to the core technical rounds. The most significant hurdle is a comprehensive panel interview, often lasting two to three hours with built-in breaks. This panel typically consists of three technical team members, including an Engineering Manager, and may be conducted virtually with remote staff.

The final stage usually involves a direct conversation with the Hiring Manager, focusing heavily on team fit, long-term potential, and your approach to cross-functional collaboration.

The visual timeline above outlines the standard progression from the initial HR screen through the technical panel and final hiring manager interview. Use this to pace your preparation, ensuring you review foundational concepts for the early assessment while saving deep-dive architectural and behavioral scenarios for the extended panel round. Note that specific steps, such as the online test, may vary slightly depending on the exact team or location (e.g., Charlotte vs. Houston hubs).

Deep Dive into Evaluation Areas

To succeed, you must demonstrate depth across several core technical and behavioral domains. The panel will probe your practical experience and ask you to walk through real-world testing scenarios.

Test Automation and Framework Design

Because AvidXchange operates a complex SaaS platform, manual testing alone is insufficient. Interviewers want to see that you can build, maintain, and scale automated testing solutions. You should be prepared to discuss the architecture of test frameworks you have built or contributed to.

Be ready to go over:

• Framework Architecture – Understanding Page Object Model (POM), data-driven testing, and keyword-driven frameworks.
• Tooling Proficiency – Experience with tools like Selenium, Cypress, or Playwright, and your rationale for choosing one over another.
• CI/CD Integration – How you integrate automated tests into deployment pipelines (e.g., Jenkins, GitHub Actions) to achieve continuous testing.
• Advanced concepts (less common) – Parallel test execution, managing test data in automated environments, and containerized testing using Docker.

Example questions or scenarios:

• "Walk me through how you would design an automation framework from scratch for a new web application."
• "How do you handle flaky tests in your automation suite?"
• "Explain how you integrate your automated test scripts into a CI/CD pipeline."

API and Backend Testing

Financial transactions rely heavily on robust backend services and APIs. You will be evaluated on your ability to test headless systems, validate data formats (JSON/XML), and ensure secure data transmission.

Be ready to go over:

• API Protocols and Methods – Deep understanding of RESTful APIs, HTTP status codes, GET, POST, PUT, and DELETE methods.
• Testing Tools – Practical experience using Postman, REST Assured, or similar tools for API validation.
• Database Validation – Writing complex SQL queries to verify that frontend actions correctly update backend database tables.
• Advanced concepts (less common) – API performance testing, contract testing, and handling authentication tokens (OAuth, JWT) in automated scripts.

Example questions or scenarios:

• "How would you test an API endpoint that processes a vendor payment?"
• "Write a SQL query to find duplicate transaction records in a database."
• "What is your approach to testing an API if the documentation is incomplete or missing?"

Defect Triage and Problem Solving

Interviewers want to see your analytical mindset in action. They will assess how you identify bugs, document them, and work with developers to ensure they are fixed efficiently.

Be ready to go over:

• Bug Life Cycle – How you log, track, and verify defects using tools like Jira.
• Root Cause Analysis – Your methodology for tracing a frontend error back to an API failure or database issue.
• Edge Case Identification – Thinking outside the "happy path" to find vulnerabilities in complex workflows.
• Advanced concepts (less common) – Risk-based testing, analyzing server logs (e.g., Splunk, Datadog) to isolate issues.

Example questions or scenarios:

• "Tell me about a time you found a critical bug right before a major release. How did you handle it?"
• "If a user reports that a payment failed but no error message was displayed, how do you investigate?"
• "Describe your process for prioritizing bugs when there are too many to fix before a sprint ends."

Communication and Professionalism

The ability to navigate team dynamics is heavily scrutinized. You may face interviewers with varying communication styles, and your ability to remain professional, ask clarifying questions, and articulate your thoughts clearly is a major evaluation point.

Be ready to go over:

• Cross-Functional Collaboration – Working with product managers to define acceptance criteria and with developers to resolve issues.
• Handling Ambiguity – Proceeding with testing when requirements are vague or changing.
• Professional Composure – Maintaining a positive, structured approach even if an interview panel feels disjointed or informal.

Example questions or scenarios:

• "How do you handle a situation where a developer insists their code works, but your tests show it is failing?"
• "Describe a time when you had to test a feature with very little documentation."
• "What do you do when expectations for your role or a project are unclear?"

Key Responsibilities

As a QA Engineer at AvidXchange, your day-to-day work revolves around ensuring the reliability of B2B payment workflows. You will spend a significant portion of your time designing detailed test plans based on product requirements and executing both manual and automated tests. You are expected to proactively identify areas where automation can replace repetitive manual tasks, thereby increasing the efficiency of the release cycle.

Collaboration is a massive part of this role. You will participate in daily stand-ups, sprint planning, and retrospective meetings alongside remote and on-site engineering team members. During these sessions, you will advocate for quality, ensuring that acceptance criteria are clear and testable before development even begins. When defects are found, you will be responsible for logging them meticulously and working side-by-side with developers to troubleshoot and resolve the underlying issues.

Beyond daily execution, you will contribute to the broader quality strategy. This includes maintaining and scaling the existing automation frameworks, updating test documentation, and occasionally assisting in performance or security testing initiatives. You will act as a bridge between the technical execution of the software and the business needs of AvidXchange's clients, ensuring that every release meets stringent financial compliance and quality standards.

Role Requirements & Qualifications

To be competitive for the QA Engineer position at AvidXchange, candidates must present a balanced mix of technical scripting abilities and domain-specific testing knowledge.

• Must-have technical skills – Strong proficiency in at least one object-oriented programming language (like C#, Java, or Python) for test automation. Solid experience with API testing tools (Postman, REST Assured) and relational databases (writing intermediate to advanced SQL queries).
• Must-have experience level – Typically 3 to 5 years of experience in software quality assurance, with a proven track record of transitioning manual test cases into robust automated scripts within an Agile/Scrum environment.
• Must-have soft skills – Excellent verbal and written communication skills. The ability to advocate for quality without being adversarial, and the composure to handle fast-paced, sometimes ambiguous project requirements.
• Nice-to-have skills – Prior experience in the FinTech, banking, or B2B payments industry. Familiarity with CI/CD pipelines (Jenkins, Azure DevOps) and cloud environments (AWS, Azure). Experience with performance testing tools like JMeter or LoadRunner is a strong differentiator.

Frequently Asked Questions

Q: How difficult is the interview process for a QA Engineer at AvidXchange? The technical difficulty is generally considered average for mid-level QA roles. However, the multi-hour panel interview can be mentally taxing. Success depends heavily on your ability to clearly articulate your thought process and maintain professionalism under pressure.

Q: How much preparation time should I allocate? Plan for one to two weeks of focused preparation. Dedicate time to reviewing your automation framework architecture, brushing up on complex SQL queries, and practicing behavioral responses using the STAR method.

Q: What differentiates successful candidates from the rest? Successful candidates do not just find bugs; they understand the business impact of those bugs. Demonstrating an understanding of how API failures or database errors impact a B2B payment workflow will make you stand out to the hiring manager.

Q: What should I expect regarding team culture and interview dynamics? While the company values collaboration and innovation, panel interview dynamics can occasionally feel unstructured or casual. Stay focused, remain highly professional, and do not hesitate to ask clarifying questions if the panel's expectations seem unclear.

Q: Is this role fully remote, hybrid, or on-site? AvidXchange supports a mix of remote and hybrid work environments, heavily dependent on the specific team and your proximity to their hubs in Charlotte, NC, or Houston, TX. Clarify the specific working arrangement for your team during the initial recruiter screen.

Other General Tips

• Maintain Unshakable Professionalism: Interview panels can sometimes feature multiple people with varying degrees of interview training. If an interviewer seems distracted or informal, maintain your composure and deliver structured, high-quality answers.
• Ask Explicit Questions About the Role: Do not assume the panel will proactively explain the day-to-day expectations. At the end of your interview, ask direct questions like, "What are the immediate QA priorities for this specific team in the first 90 days?"
• Speak the Language of FinTech: Whenever possible, frame your testing examples around financial data, security, transactions, and data integrity. Showing that you understand the stakes of B2B payments is a massive plus.
• Clarify Before Solving: When given a technical scenario or a bug-triage question, do not jump straight to the solution. Ask 2-3 clarifying questions about the environment, the user impact, and the expected behavior to show your analytical maturity.

Summary & Next Steps

Securing a QA Engineer role at AvidXchange is a fantastic opportunity to impact a platform that drives massive volume in the B2B financial space. The work is challenging, highly technical, and deeply rewarding for engineers who are passionate about quality, automation, and continuous improvement.

To succeed, focus your preparation on the intersection of technical execution and business logic. Ensure you are comfortable walking through your automation frameworks, writing SQL queries on the fly, and discussing API testing methodologies. Just as importantly, prepare yourself mentally for a dynamic panel interview. Your ability to remain poised, articulate, and professional will leave a lasting impression on the hiring team.

The salary data above provides a benchmark for compensation expectations for this position. Use these insights to understand the typical base pay and total compensation range, keeping in mind that actual offers will vary based on your seniority, specific technical stack, and geographic location.

You have the skills and the roadmap to excel in this process. Continue to practice your technical explanations, refine your behavioral stories, and leverage the insights available on Dataford to round out your preparation. Approach your interviews with confidence, and you will be well-positioned to secure an offer.