Software Quality Assurance Engineer

Mill is all about answering a simple question: how can we prevent waste? Less waste can save time, money, energy, maybe even our planet. And there’s no better place to start than food. Food waste is one of the most solvable climate problems facing us today. Plus, our trash really stinks. It’s gross, heavy, and our least favorite chore. At Mill we are striving to build a better environment for all, as we take on climate and kitchen change.

Role Description:

We're seeking a Senior Software Quality Assurance Engineer to join the Software Quality team in a high-energy, fast-paced start-up environment. You will design, create and implement test plans for our next-generation connected product in areas such as firmware, mobile, Web and cloud.

You will have the opportunity to learn about all aspects of consumer products, and own testing from the ground up.

You'll work closely with QAE, SDET, cloud services, mobile app, product and hardware teams.

Key Responsibilities:

• Collaborate with leaders across the company to define requirements and feature requests, then translate them into comprehensive test plans.


• Design and execute software test cases and test plans for feature validation.


• Develop automated tests using the existing automation framework to validate software (SW), firmware (FW), Mobile, Cloud and end-to-end device functionality.


• Implement automated feature test cases and modules to ensure broad test coverage that mimics real-world user scenarios.


• Work closely with SDET, software, cloud, and firmware teams, as well as Technical Program Managers and hardware teams, to support validation, bug triage, and end-consumer experience improvements.


• Partner with Product Managers to develop and validate customer scenarios, analyze failures, and review device metrics from field trials.


• Champion product quality at every stage of development

Minimum Qualifications:

• B.S. in Computer Science, or a related technical discipline, or equivalent practical experience.


• 5+ years in software development and quality assurance, including at least 2 years focused on camera or vision applications.


• Strong foundation in software quality fundamentals (test planning, test design, automation).


• Hands-on experience with Python and/or Java.


• Excellent written and verbal communication skills, including documentation and test architecture diagrams.


• Deep understanding of the software ecosystem and how its components integrate.


• Proven ability to write own automation test framework, write automated tests and drive increased test coverage.

Preferred Qualifications:

• Experience testing consumer products.


• Background in camera or computer vision and touchscreen testing


• Previous experience in startups or rapid prototyping environments


• Familiarity with Agile methodologies, Version control systems (e.g., GitHub), CI/CD pipelines

The estimated base salary range for this position is $140k to $170k, which does not include the value of benefits or a potential equity grant. A wide range of factors are considered in making compensation decisions, including but not limited to skill sets, market conditions, experience and training, licensure and certifications, and business and organizational needs. At Mill, it is not typical for an individual to be hired at or near the top of the range for their role.