HighLevel

Software Development Engineer in Test III - Mobile Apps

Remote, United States remote Entry Salary not listed
remote Technology & IT Curated
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About the role

About HighLevel:
HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today, HighLevel supports SMBs across 150+ countries, fueling community-driven growth rooted in real customer outcomes.

To date, businesses operating on HighLevel have generated over $7 billion in ecosystem value, demonstrating the impact of shared infrastructure at scale. By centralizing conversations, automation and intelligence into one system, we help businesses move faster, reduce complexity and execute efficiently. Behind the platform, HighLevel powers more than 4 billion API hits and 2.5 billion message events daily. With 250 terabytes of distributed data, 250+ microservices and over 1 million domain names supported, our architecture is built for performance, resilience and long-term scalability.

Our People:
With over 2,000 team members across 10+ countries, HighLevel operates as a global, remote-first organization built for speed and ownership. We value initiative, clarity and execution, creating space for ambitious people to build systems that support millions of businesses worldwide. Here, innovation thrives, ideas are celebrated and people come first, no matter where they call home.
Our Impact
Every month, HighLevel enables more than 1.5 billion messages, 200 million leads and 20 million conversations for the more than 1 million businesses we support. Behind those numbers are real people building independence, expanding opportunity and creating measurable impact. We’re proud to be a part of that.
Learn more about us on our YouTube Channel or Blog Posts

About the Team:
The Mobile App Product team is responsible for building a best-in-class mobile ecosystem for SMEs. We achieve this by developing features that solve real-world problems for SMEs, enhancing agency stickiness to the platform. Our work enables SMEs to consolidate their offerings to their clients into a single platform, packaged under their white-labeled brand.
This team acts as a bridge between multiple product areas, including Phone System, Email System, CRM & Reputation Management.
About the Role:
As an SDET3, you will lead efforts in mobile apps testing and automation. You will create, maintain, and enhance test automation frameworks for iOS and Android apps at HighLevel. This includes developing innovative tools to boost testing efficiency, debugging complex issues, & delivering actionable insights through comprehensive reports. Additionally, you will mentor junior team members & drive best practices to ensure seamless app releases. The ideal candidate will have a proven track record in technical excellence, thought leadership & collaboration, with a strong focus on delivering results in a dynamic and fast-paced environment.

Responsibilities:
Lead advanced mobile testing (Android/iOS apps) and automation using BDD frameworks with tools like Flutter Integration test, Appium, Espresso, Maestro etc.
Design, implement, and maintain scalable, reusable test automation frameworks and solutions using modern technologies
Perform advanced multi-platform functional tests and device compatibility testing across diverse environments
Debug complex issues at the code, app, and infrastructure levels; identify root causes and provide solutions
Sound knowledge using AI tools (ChatGPT, Cursor, Copilot, custom LLM workflows)
Mentor and guide junior SDETs, promoting technical growth within the team
Review requirements and actively provide feedback on business and technical completeness and testability
Define and implement comprehensive test strategies, methodologies, and best practices to ensure product quality
Partner closely with product owners, developers, and DevOps engineers to achieve continuous integration, delivery, and deployment
Monitor, analyse, and report test automation metrics to identify areas for improvement
Drive continuous improvement in the QA process, automation coverage, and test reliability
Take ownership of release quality by supporting regression testing (automated and manual) and providing clear sign-offs
Requirements:
4+ years of experience in mobile testing and mobile automation (Flutter Integration test, Appium, Espresso, Maestro etc.)
Strong programming skills in Dart, Java, Kotlin, or equivalent languages
Proven ability to architect, design, and maintain robust, scalable test automation frameworks
Expertise in writing and automating test cases for complex features as part of continuous delivery
Hands-on experience debugging automation frameworks and app issues
Ability to design comprehensive test strategies, ensuring functional and non-functional requirements are met
Strong understanding of the full product lifecycle, release metrics, and QA best practices
Proficiency in CI/CD tools such as Codemagic, Jenkins, and Bitrise
Experience in API testing and automation (Postman, REST-Assured, or similar tools)
Excellent analytical and problem-solving skills, with the ability to drive solutions independently
Effective communication and collaboration skills, with a track record of working in cross-functional, agile teams
Good to have:
Expertise in mobile automation frameworks, including Flutter Driver-based frameworks
Knowledge of advanced testing paradigms like declarative testing approaches
Experience with performance testing for mobile apps
Familiarity with cloud-based device testing platforms like BrowserStack, Sauce Labs, or Firebase Test Lab
A passion for mentoring and elevating team capabilities
EEO Statement:
The company is an Equal Opportunity Employer. As an employer subject to affirmative action regulations, we invite you to voluntarily provide the following demographic information. This information is used solely for compliance with government recordkeeping, reporting, and other legal requirements. Providing this information is voluntary and refusal to do so will not affect your application status. This data will be kept separate from your application and will not be used in the hiring decision.

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Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Role
Technology & IT API integration CRM Data Analysis Project Management Remote Collaboration remote

Likely questions

  1. Tell us about work you have done that is close to the Software Development Engineer in Test III - Mobile Apps role.
  2. How would you approach your first 30 days at HighLevel?
  3. Which of API integration, CRM and Data Analysis have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you stay organised and communicate clearly when working remotely?

Prepare before the call

  • A recent example that proves your experience with API integration, CRM and Data Analysis.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Software Development Engineer in Test III - Mobile Apps role because I can bring practical experience in API integration, CRM and Data Analysis, learn the team quickly, and contribute to the outcomes HighLevel needs from this hire.

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