Senior · Staff · Principal Fullstack Engineer
Lightyear AI Inc - San Francisco | Hybrid | Remote
Posted Jun 12, 2026
Benefits
- Parental leave
- Not verified
- Non-birth-parent leave
- Not verified
- Family-building benefits
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- Fertility benefits: Not verified
- Adoption assistance: Not verified
- Surrogacy assistance: Not verified
- Mental health support
- Not verified
- Relocation assistance
- Not verified
- Childcare support
- Not verified
- Learning budget
- Not verified
- Verification
- Not verified
- Salary
- Not verified
- 401(k) match
- Not verified
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Market context
- U.S. role benchmark (BLS OEWS)
- $55,390 U.S. median for this role
- Projected growth (BLS Employment Projections)
- -0.1% - Decline
Matched to SOC 25-2021 - Teaching and Education aggregate by role bucket.
Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.
Role
Schedule
- Shift type
- Not verified
- Weekend work
- Not verified
Application
- Cover letter
- Not verified
- Assessment
- Not verified
- Deadline
- Not stated
Where they hire
State eligibility is not yet verified.
About this role
Senior · Staff · Principal Fullstack Engineer San Francisco | Hybrid | Remote Senior / Staff / Principal Fullstack Engineer Location: Onsite San Francisco (5 days onsite AND hybrid options) We have multiple startups interested in talent. Here is a generic summary. Instead of a perfect job description, we present talented individuals to companies and allow them to share how that talent fits in the organization. Key Responsibilities: - Developing and maintaining both front-end and back-end components: This includes writing code in various programming languages, designing user interfaces, and creating server-side logic. - Collaborating with cross-functional teams: Working with product managers, designers, and other engineers to define requirements, design features, and ship new products. - Ensuring the technical feasibility of UI/UX designs: Understanding how to implement designs effectively and ensure they perform well. - Writing clean, maintainable, and efficient code: Following coding standards and best practices to create code that is easy to understand, debug, and modify. - Optimizing applications for speed and scalability: Tuning code and infrastructure to ensure the application can handle a large volume of traffic and perform well. - Troubleshooting, debugging, and upgrading existing software: Identifying and resolving issues in existing software and ensuring it is kept up-to-date with the latest technologies. - Implementing secure coding practices: Protecting data and ensuring the application is resistant to vulnerabilities. - Participating in code reviews: Providing constructive feedback on the code of other developers and ensuring code quality. - Creating and maintaining software documentation: Documenting the application's architecture, code,
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