Software Engineer, Full Stack - Gen AI

Role Overview

Our Generative AI Data Engine powers the world’s most advanced LLMs and generative models through world‑class RLHF, human data generation, model evaluation, safety, and alignment. This is a horizontal, high‑impact L6 Staff Fullstack Engineer & Architect position reporting directly to the Director of Contributor Engineering. Your scope spans all Contributor (CB) teams—including Allocation, Growth, Trust & Safety, Pay, and Allocations—to build high‑impact datasets, optimize contributor onboarding and incentives, and safeguard data integrity through advanced trust, safety, and security measures.

• Deploy flexibly into critical, fast‑moving product initiatives across the CB organization.
• Lead the architectural overhaul of our platform infrastructure, making it highly sustainable, robust, and optimized for deep integration with LLMs and foundation models.
• Make architecture decisions for scalability, reliability, and performance.
• Mentor and uplevel engineers across the team.
• Partner with product and leadership to shape roadmap and priorities.
• Own large, ambiguous problem spaces end‑to‑end.
• Work across backend, frontend, and ML systems.

• 7+ years of full‑time engineering experience post‑graduation.
• Proven track record as a Tech Lead, Architect, or Principal Engineer.
• Experience shipping high‑quality products and features at scale.
• Hands‑on experience with LLMs, vector databases, and other latest AI technologies.
• Proficiency in Java script/Typescript and SQL.
• Experience with Kubernetes.
• Experience with major cloud providers (AWS, Azure, GCP).

Compensation packages at Scale include base salary, equity, and benefits. Base salary ranges from $252,000—$315,000 USD for San Francisco, New York, and Seattle locations. Equity grant eligibility is subject to Board approval. Applicants may also receive a learning and development stipend, generous PTO, and a commuter stipend.

• Comprehensive health, dental, and vision coverage.
• Retirement benefits.
• Learning and development stipend.
• Generous paid time off (PTO).
• Commuter stipend (potential).

We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability status, gender identity, or Veteran status. We are committed to working with and providing reasonable accommodations to applicants with physical and mental disabilities. If you need assistance and/or a reasonable accommodation in the application or recruiting process due to a disability, please contact us at