Senior Quality Engineer (SDET)

About DataXight

DataXight, headquartered in Mountain View, CA, is on a bold mission to transform life science and healthcare through groundbreaking data-driven software solutions. We're passionate about empowering our team to work on projects that not only push boundaries but also make a tangible difference in the lives of millions. Are you ready to be part of something greater?

The Role

As a Senior Quality Engineer, you will ensure the reliability, performance, and scalability of applications and distributed systems, specializing in one of three areas: (A) Data & Python, (B) Full-Stack Web Applications.

You will drive test automation, build robust testing solutions, identify quality risks, leverage modern AI development tools, and collaborate closely with cross-functional engineering and product teams.

Key Responsibilities

• Design, build, and maintain robust automated test suites across API, integration, system, and end-to-end testing.

• Develop and enhance scalable test automation frameworks using Python, JavaScript/Node.js, or relevant technologies.

• Integrate automated testing into CI/CD pipelines using tools such as GitHub Actions and Jenkins.

• Review code, identify quality risks early, improve test coverage, and promote quality engineering best practices.

• Validate system functionality, data integrity, performance, and reliability across complex workflows.

• Collaborate with Software Engineering, Data Engineering, DevOps, Security, and Product teams on test strategies, acceptance criteria, and release readiness.

Technical Specializations

(You will primarily focus on one of the following tracks based on your technical strengths and project needs)

Track A: Data Pipelines & Python SDKs

• Design automated tests for Python SDKs, data pipelines, ETL workflows, and complex data transformations.

• Validate data quality, numerical/statistical computations, and reliability across distributed data workflows.

Track B: Full-Stack & Web Applications

• Build E2E and component-level automation for web applications using Cypress, Jest, React Testing Library, or similar.

• Validate functionality and data integrity across UI, API, and database layers.

Must-have Skills & Qualifications

• 5+ years of experience in Software Quality Engineering, Test Automation, SDET, or a related role.

• Strong programming skills in Python OR JavaScript/Node.js.

• Hands-on experience with test automation frameworks such as PyTest, Cypress, Jest, or similar.

• Experience with AI code generation tools (e.g., GitHub Copilot, Claude Code).

• Experience with API, integration, system, and end-to-end testing.

• Comfortable working with Unix-based systems, Docker, and CI/CD workflows.

• Solid understanding of cloud environments, modern web/backend systems, or distributed data systems.

• Strong problem-solving skills with attention to quality, usability, and system reliability.

• Excellent communication and collaboration skills in English.

Nice-to-Have Qualifications

• Familiarity with AI agents or autonomous developer workflows.

• Experience with React frontends, component testing, or Lake-house data architecture.

• Performance testing at scale and Infrastructure-as-Code workflows.

Lifelong Skills

• Inquisitive Mindset: Demonstrates a deep-rooted curiosity, constantly seeking to understand project details and underlying principles, indicative of a continuous learning approach.

• Clarity and Insight: Actively seeks clarity and understanding of project requirements to ensure accurate and effective implementation.

• Depth of Perception: Has talent for looking beyond initial requests, intuitively grasping and addressing the core needs and objectives underlying a project.

• Implementation Insight: Skilled in outlining and describing the phases of project implementation, breaking down complex tasks into manageable steps.

• Articulate Communication: Exhibits strong verbal and written communication skills, adept at tailoring messages effectively for different audiences, ensuring that it is not only clear but also contextually relevant and empathetic.

Why Join DataXight

This isn’t just another job; it’s an opportunity to join a team that's earnest about making a global impact in human health. We provide room for growth, a dynamic and collaborative work environment, and the chance to make your mark in an industry ripe for innovation. Join our team and immerse yourself in a dynamic, supportive, and friendly workplace that fosters collaboration and personal growth. 

• Opportunity to shape how complex ideas are communicated across products and clients.

• Direct collaboration with senior leaders and domain experts.

• Meaningful work at the intersection of data, science, and business.

Benefits & Perks

• Competitive compensation.

• Flexible time off, including floating holidays.

• Private health insurance & full social, health, and unemployment insurance in line with Vietnamese labor law.

• Professional development support.

• Company-provided lunches along with a selection of coffee, tea, and snacks.

• Other employee benefits as stipulated in Vietnamese labor law, reinforcing our commitment to your growth and well-being.

If you’re someone who thrives on solving complex problems and actively wants to transform healthcare, apply to DataXight today. Send your resume, cover letter, and relevant work samples or GitHub profile to [email protected]. We look forward to reviewing your application and potentially welcoming you to our globally connected team!