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Senior · Staff · Principal Backend 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)
$116,543 U.S. median for this role
Projected growth (BLS Employment Projections)
+9.8% - Much faster than average

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function
Engineering 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
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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 Backend Engineer San Francisco | Hybrid | Remote Senior / Staff / Principal Backend Engineer Location: Onsite San Francisco 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. A Back-end Developer is a software developer specializing in server-side logic, databases, and application infrastructure, responsible for ensuring the efficient and secure functioning of web applications and systems. They build and maintain the server-side code that powers the application, often interacting with databases, APIs, and other web services. Key Responsibilities: • Server-Side Logic: Develop and maintain the code that runs on the server, handling user requests, processing data, and managing application logic. • Database Management: Design, implement, and manage databases, ensuring data integrity, security, and performance. • API Development: Create and maintain Application Programming Interfaces (APIs) for seamless communication between the front-end and back-end components. • Performance Optimization: Optimize code for speed, efficiency, and scalability, ensuring the application can handle large loads and user traffic. • Security: Implement security measures to protect the application and user data from unauthorized access and breaches. • Collaboration: Work with front-end developers, product managers, and other stakeholders to ensure a cohesive user experience. • Troubleshooting and Debugging: Identify and resolve issues in the back-end code, ensuring the application functions correctly. • Staying Up-to-Date: Keep abreast of emerging technologies and industry trends to enhance the

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