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Handshake·San Francisco, United States·onsite

Senior Software Engineer - Pay & Safety

$225,000 - $250,000 Posted 9 days ago
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Ruby on RailsReactTypeScript

About the role

What you'll do

  • Lead design and development of payment and money-movement systems including payout generation, KYC, and webhook reconciliation with zero downtime and full auditability.
  • Build and maintain the Trust & Safety stack covering fraud screening, sanctions, identity verification, and time-tracking audits for suspicious activity.
  • Own and improve operator tooling such as admin dashboards and ledgers to ensure safe and reliable pay cycles.
  • Drive schema design, migrations, and backfills on Postgres with a focus on safe deployment and data integrity.
  • Set engineering standards through system design reviews, incident response, observability, and mentorship within the Pay squad.

What you should know

  • Ideal candidates will have experience in high-stakes domains like payments, fintech, identity, or fraud where uptime and correctness are critical.
  • The role requires strong system design fundamentals for resilient, auditable, and zero-downtime systems with complex workflows and integrations.
  • Applicants should be comfortable working across Ruby on Rails, TypeScript/Node, and React for backend and frontend components.
  • The position involves partnering with cross-functional teams including Ops, Finance, Legal, and Compliance, requiring excellent communication skills.
  • This role offers the opportunity to lead technical projects end-to-end in an ambiguous environment with a focus on production verification and feature flag rollout.

About the company

  • Handshake is a fast-growing career network powering the AI economy with 20 million users and partnerships including Fortune 50 companies and top AI labs.
  • The company values impact at global scale and collaboration with world-class AI labs, educational institutions, and large enterprises.
  • Leadership team includes experienced professionals from Scale AI, Meta, xAI, Notion, Coinbase, and Palantir.
  • Handshake operates in the career discovery, hiring, and upskilling industry focused on AI-driven workforce solutions.
  • Offers a comprehensive benefits package emphasizing ownership, financial wellness, family support, wellbeing, and professional growth.

Key required skills

Ruby on RailsTypeScriptNode.jsReactPostgreSQLSystem designKYCStripeSidekiqWorkflow orchestration

Summary generated from the original posting.