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Staff Backend & Platform Engineer – FinOps, IAM & Blockchain

Moonshot · Remote · USA ·
Fully remoteFull-timeSenior5+ years
COMPENSATION
€•• – ••k
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Listed on the employer's job board (Ashby)

  • Staff level role
  • Remote (US/Canada)
  • FinTech & DeFi
  • IAM & Ledgering
  • Blockchain infra

You will design and operate critical systems including identity and access management, funds movement, and blockchain infrastructure. This position requires building highly reliable and secure foundations that enable product teams to move quickly while maintaining strict financial correctness.

What you'll do

  • Design authentication flows, session management, and device trust mechanisms
  • Implement authorization policies, roles, and entitlements
  • Manage security controls including MFA and key management
  • Orchestrate transfers, payments, and ledger reconciliation flows
  • Enforce transaction limits, risk controls, and data correctness
  • Maintain blockchain nodes, RPCs, and transaction submission logic
  • Index and stream on-chain data into internal services
  • Define SLOs, error budgets, and incident management practices
  • Lead cross-functional technical projects from design to rollout
  • Mentor engineers and contribute to design reviews and standards

What you'll need

  • 5–12+ years in backend, product, or platform engineering
  • Experience with high-scale, high-availability fintech or crypto systems
  • Deep expertise in IAM, financial ledgering, or blockchain infrastructure
  • Strong background in designing distributed systems and datastores
  • Proven track record in driving architecture decisions and adoption
  • Operational mindset with experience in monitoring and incident response
  • Excellent collaboration skills with Product, Security, and Ops teams

Nice to have

  • Experience with Flutter, React Native, React, or Headless CRMs
  • Proficiency in Go, Rust, or Solana development
  • Knowledge of Google Cloud or Amazon Web Services
  • Background with crypto wallets, exchanges, DeFi, L2s, or ZK protocols
  • Exposure to data warehousing for financial reporting
  • Contributions to open-source projects

Stack

  • Go
  • Rust
  • Solana
  • Flutter
  • React Native
  • React
  • Google Cloud
  • Amazon Web Services

How you'll work

  • Fully remote within United States and Canada
  • NYC location preferred for periodic in-person sprints
  • Travel required approximately one week per quarter
  • Full-time employment

What you get

  • Competitive salary and meaningful equity
  • 5% 401(k) match
  • Health benefits with employer-covered premiums
  • Life insurance coverage
  • One-time office setup stipend
  • Flexible PTO
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