Forward-Deployed Test Engineer Co Op (January - June 2026)
Ranger
Quality Assurance
San Francisco, CA, USA
Posted on Nov 12, 2025
Ranger, revolutionizing software testing
Ranger is an AI-powered platform redefining QA. Our mission is to power testing for the world’s most ambitious engineering, product, and design teams so they can get back to building.
Some of the fastest-growing companies in the world (Clay, Suno, Dust, and more) use Ranger and we collaborated with OpenAI, which you can read about here. We’re also incredibly excited to announce $8.9M in total funding over two rounds of funding led by XYZ and General Catalyst.
How we’re already changing the game
Intelligent test generation: We automatically generate reliable and efficient Playwright tests by leveraging advanced LLMs.
Self-healing tests: Our system proactively identifies and resolves flaky tests, ensuring consistent and reliable test suites.
Improved failure insights: Get automated failure reports with likely causes, and easy-to-follow steps to reproduce the issue.
About the Co-op Role
As a Forward Deployed Test Engineer (FDE), during your co-op you will learn directly from our core FDE team. This 6-month, full-time co-op is a unique opportunity to gain hands-on experience at the intersection of AI, software testing, and customer engagement.
You'll support our team in developing and managing end-to-end Playwright test suites using our AI platform, helping to translate customer requirements into reliable automated test frameworks. You'll get to write production-level code, solve real-world problems, and see firsthand how a fast-growing startup operates.
As Forward Deployed Test Engineer, you will
- Support the full customer testing journey, assisting with onboarding, test development, and ongoing optimization.
- Contribute to the development and maintenance of high-quality Playwright test suites under the guidance of our FDE team.
- Assist with technical implementation projects, including AI test suite generation, configuration, and integration with customer CI/CD pipelines.
- Learn to ensure test reliability by helping monitor test suites, analyze failures, and optimize workflows.
- Collaborate with the team to troubleshoot and develop solutions for unique customer requirements.
- Gain exposure to the pre-sales process by assisting with proof-of-concept implementations.
- Act as a key part of the feedback loop, capturing technical observations to help shape product direction.
- Help create and update technical documentation and testing implementation guides.
What we're looking for
- Currently enrolled in a Bachelor's or Master's program in Computer Science, Software Engineering, or a related field.
- Must be available to work full-time from January through June 2026.
- Familiarity with software development principles through coursework, personal projects, or prior internships.
- Some experience with JavaScript/TypeScript.
- A strong interest in software testing, automation (like Playwright, Cypress, or Selenium), and AI technologies.
- Strong communication and interpersonal skills, with a desire to work collaboratively in a fast-paced environment.
- A fast learner with a proactive attitude and a passion for solving technical problems.
- High sense of agency and the ability to manage your time and tasks effectively.
- We value skills and mindset over specific credentials. If you don't meet all the requirements please still apply, we welcome diverse perspectives to contribute to our mission.
Note: Applicants must be authorized to work for ANY employer in the U.S. We cannot sponsor or take over sponsorship of an employment Visa at this time.
This is a paid, full-time co-op position (40 hours/week) where you will gain invaluable hands-on experience with cutting-edge AI and test automation technology. Each day, you will be working on projects that directly impact our customers and product as a full member of our collaborative startup culture.
Benefits for full-time team members include comprehensive medical, dental, and vision plans, paid holidays, and flexible paid time off (PTO).