Token Metrics

SDET Intern – Mobile, DeFi

Token Metrics

part-time

Posted on:

Location Type: Remote

Location: Remote • Texas • 🇺🇸 United States

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Job Level

Entry Level

Tech Stack

CypressReactReact NativeSolidityTypeScript

About the role

  • You will build and maintain an automated defense system for our highest-risk flows:
  • - Wallet connection
  • - USDC deposit and withdraw
  • - Portfolio selection
  • - Rebalance and risk guardrails
  • - veTMAI membership gating
  • Mobile automation: Maestro (YAML-based flows for mobile UI and WebViews)
  • Smart contract testing: Foundry (unit tests, fuzzing, invariants)
  • Web automation: Cypress (secondary coverage for the read-only web dashboard)
  • CI/CD: GitHub Actions
  • Core code: TypeScript (React Native) and Solidity (ERC-4626 vaults)

Requirements

  • You are engineering-first.
  • You write automation as production-quality code, not record-and-playback scripts.
  • Experience with at least one mobile E2E tool:
  • - Maestro, Detox, or Appium.
  • Comfortable with CI/CD and GitHub Actions workflows.
  • Strong debugging habits:
  • - You read logs, isolate root cause, and fix determinism issues.
  • - Clear written communication and consistent progress updates.
  • Nice-to-haves
  • DeFi familiarity:
  • - ERC-20 approvals, wallet signatures, and basic transaction states (submitted, confirmed, reverted).
  • - Foundry experience (or strong Solidity testing instincts).
  • - Experience testing React Native apps with WebViews.
  • - Experience shipping in a fast-moving startup environment.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
TypeScriptSolidityYAMLCypressFoundryGitHub ActionsReact Nativeunit testingfuzzingE2E testing
Soft skills
debuggingwritten communicationprogress updatesproblem-solvingattention to detail