Senior Platform Engineer, Human Data

• Develop Anyone AI’s Human Data platform end to end
• Design, stand up, and harden RL, coding, STEM, and other evaluation environments
• Build reliable and repeatable environments for contributors and internal teams
• Lead platform development for project structures, pipelines, and project taxonomies
• Design pipelines from brief through tasks, quality control, and delivery
• Maintain coherent project taxonomies as domains and clients expand
• Support the operational layer covering payments/payouts, task approval/rejection, RBAC, roles management, and project revenue/cost visibility
• Set technical direction for the platform
• Prioritize environment work, pipeline development, and administrative operations
• Improve system instrumentation and operability

• Senior software engineer with 4+ years of experience or equivalent ownership
• Backend or full-stack expertise
• Comfortable owning a production web product and its services
• Experience owning a multi-sided platform involving operators, contributors, and internal stakeholders
• Experience building or deeply operating systems in human data, RLHF, labeling, model evaluation, RL/eval harnesses, annotation pipelines, or coding/STEM evaluation environments
• Experience shipping admin or back-office workflows, including approvals, roles/permissions, payments or payouts, and operational metrics
• Experience leading a technical initiative with high ambiguity on a small team
• Proven autonomy in turning a messy human-data/evaluation domain into a roadmap and shipped systems
• Working fluency with human-data and evaluation workflows, including tasks, QC, environments, and expert workflows
• Fluent English
• Spanish is a nice-to-have
• Nice to have: environment orchestration using containers, workers, or sandboxes
• Nice to have: prior work at or adjacent to Scale AI, Surge, Handshake AI, Labelbox, or similar platforms
• Nice to have: familiarity with modern web/data stacks