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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
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Family-building benefits
  • Fertility benefits: Not verified
  • Adoption assistance: Not verified
  • Surrogacy assistance: Not verified
Mental health support
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Relocation assistance
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Childcare support
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Learning budget
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Verification
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Salary
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401(k) match
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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

Role function
Teaching Education From the posting source checked Jun 20, 2026
Seniority
Principal From the posting source checked Jun 20, 2026
Work mode
Hybrid From the posting source checked Jun 20, 2026
In-office days
2 days From the posting source checked Jun 20, 2026

Schedule

Shift type
Not verified
Weekend work
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Application

Cover letter
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Assessment
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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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