Senior Security Engineer – Product & Infrastructure

Posted 1 hour ago

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About the role

  • Senior Security Engineer securing Squads’ stablecoin products, APIs, and infrastructure. Leading threat modeling, code review, vulnerability management, and secure development standards.

Responsibilities

  • Own product and infrastructure security across Squads
  • Serve as security reviewer in product and engineering calls
  • Lead threat modeling and security design reviews for products, features, and infrastructure changes
  • Perform secure code reviews across backend services, APIs, frontends, and Solana programs
  • Focus reviews on authentication, authorization, and access control
  • Own the lifecycle of findings from audits, pentests, code scanning, and bug bounty
  • Triage, prioritize, track remediation, and verify fixes
  • Set severity and SLA standards and enforce them
  • Run bug bounty intake and validate external reports against source
  • Coordinate with audit partners and scope internal assessments
  • Tune and extend SAST, dependency, secrets, and container scanning in CI/CD
  • Review IAM, network controls, encryption, and secrets management across cloud environments
  • Assess access of internal AI tools, MCP integrations, and agents in production
  • Define product security standards, review checklists, and developer guidance

Requirements

  • 8+ years in product security, application security, or security engineering, built on a software engineering foundation
  • Ownership of threat modeling and architecture review for complex financial or distributed systems
  • Track record of finding critical, non-obvious vulnerabilities in large production codebases
  • Experience with TypeScript, Rust, Go, or Python
  • Experience with LLM and agent-based review workflows
  • Experience building and running a vulnerability management program or bug bounty end to end
  • Experience with CI/CD scanning
  • Deep expertise in IAM, secrets management, network controls, and container security on AWS or a comparable provider
  • Strong written communication and ability to work independently
  • Experience reviewing Solana programs (Rust/Anchor), working at an audit firm, cryptography and key management (HSMs, MPC, PKI), offensive testing across web and mobile, red teaming AI systems, or supporting SOC 2 from the product side is a plus

Benefits

  • Equity
  • Remote work in North America or Europe

Job type

Full Time

Experience level

Senior

Salary

$175,000 - $220,000 per year

Degree requirement

No Education Requirement

Tech skills

AWSCloudDistributed SystemsPythonRustTypeScriptGo

Location requirements

RemoteNorth America

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