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Senior Qa Data Engineer Jobs in California (NOW HIRING)

Altruist

Senior QA Engineer

Los Angeles, CA · On-site

... a Senior QA Engineer to join our growing Engineering team. In this role, you will own quality ... data layer. You will lead exploratory manual testing and automation efforts to help ensure a fast ...

Turion Space

Senior Quality Assurance Engineer

Irvine, CA · On-site

$120K - $160K/yr

Turion Space is seeking a Senior Quality Assurance Engineer to join our growing team in Irvine, CA ... Research applicable industry specs and technical data to support disposition decisions, and provide ...

Turion Space

Senior Quality Assurance Engineer

Irvine, CA · On-site

$120K - $160K/yr

Turion Space is seeking a Senior Quality Assurance Engineer to join our growing team in Irvine, CA ... Research applicable industry specs and technical data to support disposition decisions, and provide ...

Circadia Health

Senior QA Engineer

El Segundo, CA · On-site

$110 - $155/hr

Script the tooling -- test data generation, environment setup, synthetic device telemetry -- that ... Senior QA Engineer , you will be employed by Circadia Health, Inc. The anticipated annual base ...

Turion Space

Senior Quality Assurance Engineer

Irvine, CA · On-site

$120 - $160/hr

Turion Space is seeking a Senior Quality Assurance Engineer to join our growing team in Irvine, CA ... Research applicable industry specs and technical data to support disposition decisions, and provide ...

Circadia Health

Senior QA Engineer

El Segundo, CA · On-site

Script the tooling - test data generation, environment setup, synthetic device telemetry - that ... Senior QA Engineer , you will be employed by Circadia Health, Inc. The anticipated annual base ...

Circadia Health

Senior QA Engineer

El Segundo, CA · On-site

$110K - $155K/yr

Script the tooling - test data generation, environment setup, synthetic device telemetry - that ... Senior QA Engineer , you will be employed by Circadia Health, Inc. The anticipated annual base ...

Altruist

Senior QA Engineer

San Francisco, CA · On-site

... a Senior QA Engineer to join our growing Engineering team. In this role, you will own quality ... data layer. You will lead exploratory manual testing and automation efforts to help ensure a fast ...

Roblox

Senior QA Engineer, Safety

San Mateo, CA · On-site

As a Senior QA Engineer, you will be the first dedicated QA hire for the Safety Engineering Group ... Data-driven: You use metrics and dashboards to influence engineering decisions and improve overall ...

InfiCare

Senior QA Test Engineer XR

Sunnyvale, CA · On-site

Senior QA Test Engineer (XR) Location: Sunnyvale, CA (Hybrid -- 3 days onsite per week) Job Type: Contract (Long Term) Experience: Senior-level Job Overview Our client is seeking a Senior QA Test ...

Duro

Sr. QA Engineer

Los Angeles, CA · On-site

$150 - $175/hr

The Senior QA Engineer on the Duro Design team defines, builds, and scales the quality systems that ... Validate React interfaces, GraphQL APIs, and PostgreSQL data integrity to ensure system-wide ...

New

Grifols

Sr Quality Assurance Specialist

San Diego, CA

$87K - $120K/yr

Additionally, they review and approve manufacturing documents, lead projects, make data-driven ... Requires BA or BS in biology, chemistry, biochemistry or biomedical engineering. * Quality ...

System One

Senior Quality Assurance Engineer

Irvine, CA · On-site

$65 - $73/hr

Senior Quality Assurance Engineer Location: Irvine, CA Type: Contract Compensation: $65-73/hr Work Model: Onsite Responsibilities * Perform validation, supplier quality, risk management, and ...

impact.com

Senior QA Engineer

Santa Barbara, CA · On-site

$120K - $140K/yr

As a Senior QA Engineer at impact.com, you will be responsible for understanding, testing and ... Ability to query and understand data for testing purposes. * Able to work independently on projects ...

System One

Senior Quality Assurance Engineer

Irvine, CA · On-site

$65 - $73/hr

Senior Quality Assurance Engineer Location: Irvine, CA Type: Contract Compensation: $65-73/hr Work Model: Onsite Responsibilities * Perform validation, supplier quality, risk management, and ...

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Senior Qa Data Engineer information

What is a senior QA data engineer?

Senior QA Data Engineers are experienced professionals responsible for ensuring the quality and reliability of data systems, pipelines, and products. They design and implement testing strategies, develop automated tests, and work closely with data engineers and analysts to validate data integrity and performance. Their expertise helps organizations maintain high data quality standards, prevent errors, and support informed decision-making by ensuring that data is accurate, consistent, and secure.

How does a senior QA data engineer typically collaborate with data engineering and analytics teams?

As a Senior QA Data Engineer, collaboration with data engineering and analytics teams is essential to ensure data quality across the pipeline. You’ll often work closely with data engineers to design and implement testing frameworks, validate ETL processes, and troubleshoot data issues. Regular interactions with analytics teams help you understand business requirements and ensure that data delivered for analysis is accurate and reliable. This collaborative environment supports continuous improvement, efficient problem-solving, and alignment of data quality standards with organizational goals.

What are the key skills and qualifications needed to thrive as a senior QA data engineer, and why are they important?

To thrive as a Senior QA Data Engineer, you need expertise in data validation, test automation, SQL, and a strong background in computer science or a related field. Experience with tools like Selenium, Apache Spark, Python, and test management systems, as well as certifications such as ISTQB, are highly valued. Attention to detail, analytical thinking, and effective communication are crucial soft skills for collaborating with data and engineering teams. These abilities ensure the reliability, accuracy, and quality of data pipelines and analytics, which are vital for informed business decisions.

What are popular job titles related to Senior Qa Data Engineer jobs in California?

For Senior Qa Data Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Senior Qa Data Engineer jobs in California look for?

The top searched job categories for Senior Qa Data Engineer jobs in California are:

What cities in California are hiring for Senior Qa Data Engineer jobs?

Cities in California with the most Senior Qa Data Engineer job openings:

Senior Qa Data Engineer jobs near you
Infographic showing various Senior Qa Data Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 12% Part Time, 2% Temporary, and 3% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution.

Senior QA Engineer

Altruist

Los Angeles, CA • On-site

Full-time

Posted 24 days ago

Key responsibilities

  • Own end-to-end functional testing across UI, API, and database layers.

  • Build, maintain, and execute test plans and automation frameworks for UI and API testing.

  • Partner with Engineering and Product teams to define test cases, clarify requirements, and support high-quality feature delivery.

Job description

The opportunity

Altruist is in the midst of an exceptional growth phase and we're excited to hire a Senior QA Engineer to join our growing Engineering team.

In this role, you will own quality across our user-facing platform and the internal systems behind it, spanning the browser experience, API behavior, and data layer. You will lead exploratory manual testing and automation efforts to help ensure a fast, reliable, and scalable product experience. This is a hands-on opportunity for someone who can uncover meaningful defects through thoughtful testing and build durable automation that keeps regression coverage strong as the product evolves. Working closely with Engineering, Product, and cross-functional partners, you will develop testing strategies for both core platform capabilities and AI-powered features to support high-quality feature delivery at scale.

Your impact

  • Own end-to-end functional testing across UI, API, and database layers
  • Partner with Engineering and Product teams to define test cases, clarify requirements, and ensure high-quality feature delivery
  • Build and maintain test automation frameworks in Java using Playwright and Selenium for UI coverage, and REST Assured and Postman for API coverage
  • Integrate automated test suites into CI/CD pipelines so failures surface early and reliably
  • Design and execute test plans for AI-powered features
  • Use Jira to manage test cases, track defects, and support efficient agile workflows
  • Leverage AI coding assistants such as Claude and Cursor to accelerate test script development, generate test data, and improve defect triage and reporting
  • Identify quality gaps in processes and systems and champion continuous improvement across the testing function

What you bring

  • Experience - 5+ years of experience as a QA Engineer or Software Test Engineer, ideally within a B2B financial services, fintech, or SaaS organization
    • Strong hands-on manual testing experience across UI and API, with a demonstrated ability to uncover meaningful defects through exploratory testing
    • Experience building, maintaining, and executing test plans in partnership with cross-functional teams
    • Experience working in agile environments with a regular release cadence
    • Experience testing across the full stack, including browser-based applications, APIs, and backend systems
    • Hands-on experience designing and maintaining automated regression coverage
  • Education - B.A. / B.S. in Computer Science or a related field
  • Technical aptitude - Proficiency with SQL and comfort validating data directly in the database; proficiency with Java or another object-oriented language; hands-on experience building automation with Selenium or Playwright, plus REST Assured and Postman
  • Ownership - Takes accountability for product quality end to end and proactively drives testing strategy, execution, and follow-through
  • Superb communication - Communicates clearly with engineers, product managers, and cross-functional stakeholders to clarify requirements, surface risks, and drive alignment
  • Resilience - Thrives in a fast-paced environment, adapts to changing priorities, and maintains a high bar for quality under pressure
  • Assurance - Brings sound judgment and confidence to testing decisions, defect triage, and release readiness recommendations
  • Creative problem solving - Finds practical, scalable solutions to quality challenges and uses both exploratory thinking and automation to improve outcomes

Bonus points if you bring

  • Experience testing AI-powered applications, including chatbots, assistants, or other LLM- or ML-based systems
  • Familiarity with brokerage or investment domain concepts such as margin, options, account types, and trade lifecycle

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