Ui Software Developer Jobs in California (NOW HIRING)

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 Software Engineer UI/UX is a skilled UI/UX Developerwith experience spanning web and mobile platforms. You'll design, develop, and maintain responsive interfaces and mobile experiences for advanced AI applications used across our enterprise ecosystem. This role bridges design and engineering - you'll translate product goals and complex workflows into intuitive, high-performance user experiences.

Essential Functions

• Design, prototype, and implement user interfaces for AI-driven web and mobile applications.
• Collaborate with backend and infrastructure teams to ensure seamless integration with APIs and data pipelines.
• Maintain a unified design system across web (Next.js, Svelte, React) and mobile (iOS, Android) environments.
• Optimize front-end performance, accessibility, and responsiveness.
• Conduct user testing and feedback sessions to refine usability and visual design.
• Contribute to the architecture and tooling for build, testing, and deployment (Bun, TypeScript, Node.js).
• Stay current with emerging UI/UX and front-end trends - particularly in AI, visualization, and interaction design.
• 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 as 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 front-end development experience, with strong proficiency inNext.js,Svelte, andReact is required.
• Experience designing and shipping nativeiOSandAndroidapplications (React Native or native SDKs) is required.
• Experience with design tooling (Figma, Sketch) and UI component libraries is preferred.

Knowledge, Skills, & Abilities

• Strong understanding of Typescript,Node.jsand modern bundlers likeBun
• Ability to translate product requirements into clean, elegant, scalable interfaces.
• Solid understanding of UX principles, accessibility best practices, and responsive design patterns.
• Excellent collaboration skills - comfortable working with engineers, designers, and AI product teams.
• Contribution to open-source projects or portfolios demonstrating advanced web/mobile work.
• Excellent problem-solving and communication skills, with a collaborative mindset.
• Excellent interpersonal skills and ability to work effectively in a cross-functional team environment.
• Interest in designing human-centered interfaces for LLM and agent-based systems

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.