Software Engineer (Java, Kotlin)

This position is required to be in the office 3 days a week.

About Us Sauce Labs is the world’s largest full-lifecycle, test automation platform, and the company behind Selenium. Trusted by 80% of the world’s top ten largest financial institutions and over 300,000 enterprise users, Sauce Labs provides the only AI platform capable of turning business intent into autonomous testing and quality assurance. With a proprietary dataset of 8.7 billion test runs, Sauce Labs empowers the Fortune 2000 to bridge the gap between AI-driven code generation and enterprise-grade software quality. Learn more at saucelabs.com.

The Role The Mobile Device Infrastructure team is one of the most important core teams in our real device infrastructure product line. It doesn’t only maintain our real device fleet in a healthy state which is essential to our customers, but it also offers services and abstractions used by other teams to interface with the mobile devices fleet in order to elevate the customer experience with added value such as advanced insights and troubleshooting capabilities. Both are embodied in complex and challenging problems that require strong backend skills and a deep understanding of mobile device systems. As a member of a constantly evolving team, your responsibilities will frequently adapt and grow. However, we ensure consistent context and scope throughout a project's lifecycle. This fosters a work environment that is both focused and enjoyable, offering numerous learning opportunities.

As a Software Engineer You Will

• Contribute to the development and maintenance of mobile agents, backend services, and frontend tools.
• Collaborate on the integration of mobile apps and frameworks into our core infrastructure.
• Interface with mobile OS APIs and protocols (USB/Network) to manage real device connectivity.
• Execute technical tasks that adapt mobile device behavior for lease-based environments.
• Participate in the full development lifecycle, from code implementation to automated testing.

Responsibilities

• Triage and resolve device-specific issues to maintain high fleet availability.
• Implement optimizations in device allocation and cleanup workflows to improve performance.
• Support system health by participating in code reviews and contributing to design discussions.
• Monitor and report on metrics to help the team make data-driven improvements.
• Ensure operational excellence by managing your own code within CI/CD pipelines and following established best practices.
• Deliver high-quality code that is well-tested and maintainable.

Required Skills

• Proficiency in Java or Kotlin (Golang experience is a plus).
• Strong debugging skills and a logical approach to problem-solving.
• Familiarity with Linux/Unix environments.
• Foundational knowledge of mobile app development (Android or iOS).
• Effective communication and the ability to work in a collaborative team setting.

Nice To Have

• Understanding of Android internals (AOSP, adb, or MDM).
• Exposure to Objective-C or Swift.
• Basic experience with Docker or Kubernetes.
• Awareness of infrastructure-as-code concepts (Terraform, Ansible). Please note our privacy terms when applying for a job at Sauce Labs. Sauce Labs is proud to be an Equal Opportunity employer and values diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender identity/expression/status, sexual orientation, age, marital status, veteran status or disability status.

Security Responsibilities At Sauce At Sauce, we will commit to supporting the health and safety of employees and properties, partnering with internal stakeholders to learn and act on ever-evolving security protocols and procedures. You’ll be expected to fully comply with all policies and procedures related to security at the department and org wide level and exercise a ‘security first’ approach to how we design, build & run our products and services.