QA Engineer, AI & Platform Infrastructure at ImmunityBio · El Segundo

Company Overview
ImmunityBio, Inc. (NASDAQ: IBRX) is a commercial-stage biotechnology company developing cell and immunotherapy products that are designed to help strengthen each patient’s natural immune system, potentially enabling it to outsmart the disease and eliminate cancerous or infected cells. We envision a day when we no longer fear cancer, but can conquer it, thanks to the biological wonder that is the human immune system. Our scientists are working to develop novel therapies that harness that inherent power by amplifying both branches of the immune system, attacking cancerous or infected cells today while building immunological memory for tomorrow. The goal: to reprogram the patient’s immune system and treat the host rather than just the disease.

Why ImmunityBio?
• ImmunityBio is developing cutting-edge technology with the goal to transform the lives of patients with cancer and develop next-generation therapies and vaccines that complement, harness and amplify the immune system to defeat cancers and infectious diseases.
• Opportunity to join a publicly traded biopharmaceutical company with headquarters in Southern California.
• Work with a collaborative team with the ability to work across different areas of the company.
• Ability to join a growing company with professional development opportunities.

Position Summary

The QA Engineer is a hands-on, engineering role integrating test automation, software quality assurance, and platform reliability engineering. The role involves close interaction with backend, frontend, AI/ML, and DevOps engineering functions. The QA Engineer will serve as the subject matter expert (SME) for quality assurance activities across the organization's AI platform and web applications and will work with cross-functional teams to ensure successful delivery of reliable, performant software. The QA Engineer will support engineering leadership in driving appropriate quality standards, preparing and adhering to test plans and schedules, building automated test infrastructure, and providing technical support for daily development and release operations across a modern stack spanning Docker, Kubernetes, Next.js, Svelte, Bun, Python, TypeScript, React, and AI frameworks including LangChain, CrewAI, and LlamaIndex.

Essential Functions

• Subject Matter Expert for the design, maintenance, and implementation of automated and manual test frameworks covering backend APIs, frontend components, containerized services, and AI/LLM-powered workflows.
• Design, implement, and maintain CI/CD-integrated QA pipelines using Docker Compose and Kubernetes environments.
• Conduct performance and load testing for containerized and GPU-enabled applications, identifying bottlenecks and reliability risks.
• Validate AI workflow correctness, including LangChain pipelines, CrewAI task orchestration, and LlamaIndex document processing flows.
• Develop internal testing tools and frameworks in TypeScript, Python, or Bun to improve platform reliability and developer velocity.
• Reproduce, isolate, and report defects with high-quality context; work closely with developers to drive rapid resolution.
• Consult and collaborate with SMEs across Engineering, Product, DevOps, and AI/ML teams to define quality standards and establish test plans for new services and UI components.
• Lead the creation, modification, and maintenance of QA documentation, including test plans, test case libraries, defect reports, and quality metrics dashboards.
• Influence cross-functional groups regarding testability, technical feasibility, and quality requirements during design and development phases.
• Assist with the planning and implementation of QA-driven process improvements and tooling upgrades in collaboration with cross-functional teams.
• Lead integration, regression, and acceptance testing activities for new features and infrastructure changes.
• Provide technical mentoring and oversight to less experienced engineers on testing best practices, tooling, and defect management.
• Create, edit and adhere to Standard Operating Procedures (SOPs), process improvements, and standardization of templates.
• Performs ad-hoc and cross-functional duties and/or projects assigned to support business needs and provide developmental opportunities.

Education & Experience

• Bachelor’s degree in computer science, Software Engineering, or a related field is required.
• 3+ years of experience in software QA or test automation is required.
• Experience with containerized environments (Docker, Docker Compose, Kubernetes) is required.
• Experience with Python and TypeScript for writing tests and automation scripts is required.
• Experience with modern web frameworks (React, Next.js, Svelte) and E2E/UI testing tools such as Playwright or Cypress is required.
• Experience with CI/CD workflows (GitHub Actions, Jenkins, or similar) is required.
• Experience with AI systems testing, particularly LangChain, CrewAI, or LlamaIndex, is preferred.
• Experience with performance testing or benchmarking AI-driven applications is preferred.

Knowledge, Skills, & Abilities

• Excellent interpersonal skills and ability to work effectively in a collaborative team environment.
• Excellent technical writing, communication, and organizational skills.
• Demonstrated deep technical knowledge of test automation principles, frameworks, and tooling.
• Strong knowledge of API testing frameworks (e.g., Pytest, Postman, REST Assured).
• Familiarity with observability and monitoring tools (Prometheus, Grafana, OpenTelemetry).
• Strong analytical and problem-solving skills, with experience validating asynchronous or distributed systems.
• Strong leadership skills and the ability to influence quality standards across engineering teams.

Working Environment / Physical Environment

• This position will either work in El Segundo, CA or remotely based on the candidate’s location
• Regular work schedule is Monday – Friday, within standard business hours.  Flexibility is available with manager approval.
• Must possess mobility to work in a standard office setting and to use standard office equipment, including a computer.
• Lift and carry materials weighing up to 20 pounds
• This position requires extensive use of computer keyboards and monitors. 

This position is eligible for a discretionary bonus and equity award. The annual base pay range for this position is below. The specific rate will depend on the successful candidate’s qualifications, prior experience as well as geographic location.

National Market (all markets unless identified as Premium)

$130,500 (entry-level qualifications) to $145,000 (highly experienced) annually

Premium Market (Premium markets include Los Angeles, San Diego, San Francisco, New York City, Chicago, & Boston)

$135,000 (entry-level qualifications) to $150,000 (highly experienced) annually

The application window is anticipated to close on 60 days from when it is posted or sooner if the position is filled or closed.

ImmunityBio employees are as valuable as the people we serve. We have built a resource of robust benefit offerings to best support the total wellbeing of our team members and their families. Our competitive total rewards benefits package, for eligible employees, include: Medical, Dental and Vision Plan Options • Health and Financial Wellness Programs • Employer Assistance Program (EAP) • Company Paid and Voluntary Life/AD&D, Short-Term and Long-Term Disability • Healthcare and Dependent Care Flexible Spending Accounts • 401(k) Retirement Plan with Company Match • 529 Education Savings Program • Voluntary Legal Services, Identity Theft Protection, Pet Insurance and Employee Discounts, Rewards and Perks • Paid Time Off (PTO) includes: 11 Holidays • Exempt Employees are eligible for Unlimited PTO • Non-Exempt Employees are eligible for 10 Vacation Days, 56 Hours of Health Pay, 2 Personal Days and 1 Cultural Day •  We are committed to providing you with the tools and resources you need to optimize your Health and Wellness.

At ImmunityBio, we are an equal opportunity employer dedicated to diversity in the workplace. Our policy is to provide equal employment opportunities to all qualified persons without regard to race, gender, color, disability, national origin, age, religion, union affiliation, sexual orientation, veteran status, citizenship, gender identity and/or expression, or other status protected by law.