Quality Senior Engineer I

About VCluster Labs

We are a venture-backed tech startup striving to be the leading force in enabling platform engineers. We raised +$30M from top-tier VCs such as Khosla Ventures (first investor in OpenAI, GitLab, Stripe, Doordash) and are in a hyper-growth phase looking for motivated people to complement our team. Our headquarters are in San Francisco (Salesforce Tower), but our team is distributed around the globe and we have a remote-first work culture .

We're the company behind vCluster, an open-source technology for virtualizing Kubernetes (+10k GitHub stars). The adoption of our commercial product based on vCluster has grown extremely fast (multi-million dollar revenue) and our customer base includes some of the biggest companies in the world, including 6 Global Fortune 500 companies as well as some of the fastest-growing tech unicorns.

Work across multiple parallel projects in a fast-moving, startup environment with shifting priorities.

Own the test strategy for features and releases, ensuring risk-based coverage aligned to product goals.

Explore and test complex systems end-to-end - the product, the Kubernetes cluster, and underlying components - to thoroughly validate behavior and reliability beyond the UI.

Design, develop, and maintain automated test frameworks for backend and UI testing.

Collaborate closely with engineering and product teams to influence features, advocate for testability, and align on quality standards.

Conduct exploratory testing to identify usability issues, edge cases, and potential regressions not covered by automation.

Integrate automated tests into CI/CD pipelines (GitHub Actions, Jenkins, etc.) Mentor peers and junior engineers on quality mindset and test automation best practices.

6+ years of experience in QA or Software Testing, with at least 2+ year in a senior capacity.

• familiarity with AWS/GCP/Azure is a plus.
• advocates for quality across teams and can influence outcomes.
• Takes full ownership and shows initiative - spots what needs doing, follows through, and ensures quality from backend logic to user experience.
• Strong programming skills in at least one language such as Go, Python - used for automation and tooling.
• Deep understanding of CI/CD pipelines with experience integrating and maintaining automated test suites (e.g., Competitive Salary: We offer a competitive compensation package, including equity.

Health, dental, vision, and life Insurance, including plans for you and eligible dependents (benefits vary depending on country).

Flexible Working Schedule: You have a doctor’s appointment or need to head to the supermarket to get groceries at 2pm? We’re very flexible about where you work. No need to polish your resume for us. We are operating in a lean, honest, and efficient way and we are looking for different perspectives, constructive feedback and creative, motivated people who want to make a difference.

We are a small company right now but we are growing incredibly fast because we work on something that has a lot of value to engineering teams in large enterprises. Joining vCluster Labs early will give you the chance to advance much faster to the next step on the career ladder than in any larger company.

Responsibility From Day 1: You will see right from the start that your work will immediately have an impact in our company and you can shape the future of this company together with the rest of our team. Technical Excellence: We are determined to build best-in-class technology and ship high-quality software because we know that our users are engineers themselves.

Customer Obsession: We are going above and beyond to make our customers and users happy, which means striving for great usability, excellent documentation and support as well as fast response times for feature requests and bug reports.

Impressive Speed: From user feedback to shipping a new feature to address this feedback, we usually take less than a week in most cases and our users absolutely love us for this.

Open Source & Open Mind: We are actively contributing and maintaining open-source projects and we believe that building an open-minded team culture that respects different perspectives and welcomes constructive feedback is equally paramount to our success.

We celebrate diversity and are committed to creating an inclusive work environment for everyone who becomes part of our team.