Software Engineer, Full Stack

ImmunityBio•El Segundo, CA

1d•Hybrid

About The Position

The Software Engineer, Full Stack is a skilled Full Stack Developer with strong mobile experience to join our AI infrastructure and applications team. You’ll design, build, and maintain next-generation AI-driven web and mobile systems, working across modern front-end frameworks, backend services, and containerized deployments.

Requirements

Bachelor’s degree in Computer science, Software Engineering, or a related field is required.
3+ years of professional full-stack or mobile development experience is required
Proficiency in JavaScript/TypeScript across both frontend and backend ecosystems is required.
Experience with React, Next.js, or Svelte for modern frontend development is required.
Experience with mobile app development (native or cross-platform) for iOS and Android is required.
Strong understanding of Node.js (Bun or similar runtimes a plus)
Understanding of REST and GraphQL APIs, authentication, and secure data handling.
Knowledge of on-premise or hybrid Kubernetes environments.
Excellent problem-solving and communication skills, with a collaborative mindset.
Excellent interpersonal skills and ability to work effectively in a cross-functional team environment.
Strong technical writing, communication, and organizational skills, including the ability to produce concise READMEs, architecture documents, and runbooks.

Nice To Haves

Experience with Docker and Kubernetes for deployment and orchestration is preferred.
Experience with AI/LLM frameworks such as LangChain, LlamaIndex, or CrewAI is preferred.
Experience deploying AI-enabled applications in production environments is preferred.
Familiarity with AI/LLM frameworks such as LangChain, LlamaIndex, or CrewAI is highly desirable.
Familiarity with prompt engineering, vector databases, or AI workflows.
Contribution to open-source projects or portfolios demonstrating advanced web/mobile work.

Responsibilities

Design, develop, and maintain full-stack applications using Next.js, Svelte, React, and TypeScript.
Build and optimize backend services using Node.js and Bun for performance and scalability.
Develop and maintain iOS and Android mobile applications integrated with cloud and AI microservices.
Work with LangChain, CrewAI, and LlamaIndex to build intelligent, context-aware user experiences and workflows.
Integrate and manage containerized services using Docker, Docker Compose, and Kubernetes.
Collaborate with designers, ML engineers, and DevOps to deliver secure, maintainable, and high-performance applications.
Implement clean coding practices, CI/CD pipelines, and application performance monitoring.
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.

Benefits

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