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← Mercor

Payments Engineer

Mercor · San Francisco

CHECKED 22H AGO

Applied AIonsitesenior$160k–$500k
Apply on the lab’s site ↗

At a glance

Highlights

  • Build deterministic payout and settlement infrastructure at massive scale.
  • Create immutable, auditable ledger with end-to-end observability for payouts.
  • Eliminate manual treasury work by automating reconciliation pipelines.

What they offer

  • Bi-annual performance bonus
  • Equity grant vested over 4 years
  • Up to $15k relocation bonus
  • $10K housing bonus near office
  • $1.5K monthly meals stipend
  • Free Equinox membership
  • $200 monthly laundry reimbursement
  • $200 monthly wellness reimbursement
  • Health, dental, and vision insurance

Ideal candidate

Senior backend engineer with an operational, systems-level mindset who thrives in fast-moving, ambiguous environments and cares deeply about correctness, reliability, and automating financial infrastructure.

Requirements

  • 6+ years building scalable backend systems, ideally in payments, fintech, billing or financial infrastructure
  • 3+ years owning production backend/platform systems
  • Experience integrating and managing third-party payment gateways and banking APIs
  • Understanding of PCI-DSS and secure handling of sensitive banking and customer data
  • Experience with transactional databases, compiled languages, message queues and distributed systems
  • Proven ability to operate production systems under significant load with strong observability
  • Comfortable with high intensity in fast-growing, ambiguous environments
remote policy
In-person 5 days a week

Lab profile

About Mercor

AI data company organizing human expertise to train frontier models for the AI economy.

What they build

  • APEX benchmark family
  • Mercor Enterprise
  • Human expertise training data platform

Known for

  • Massive domain-expert network
  • Frontier model training infrastructure
  • Real-world professional work evaluation

Key facts

  • Millions of domain experts on platform
  • Pays over $4M per day to experts
More about Mercor →
Apply on the lab’s site ↗