Mobile Jobs in Web3

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Token Metrics Inc.
$19k - $38k
England London United Kingdom

Mission


We are building a mobile-first passive investing app on HyperEVM. Our software handles real user funds and there is no undo button on-chain. Reliability and safety are core product features.


We do not run manual QA as a primary strategy. This role builds automated testing and quality gates that catch failures in CI before they reach users


What you will do


You will build and maintain an automated defense system for our highest-risk flows:Wallet connectionUSDC deposit and withdrawPortfolio selectionRebalance and risk guardrailsveTMAI membership gating


Stack


- 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


Must-haves


- 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.


Interview process


- Portfolio review: We review your GitHub and look for evidence you built automation, CI, or test infrastructure that shipped.

- Take-home build: We provide a simple React Native build and ask you to produce a working Maestro flow plus a minimal CI workflow.

- Technical walkthrough: You explain your selector strategy, wait strategy, failure handling, and how you would scale coverage.


To apply


Send: 


- GitHub link (or a code sample)

- A short note describing the hardest test automation problem you solved and how you approached it


What does a mobile developer in web3 do?

A mobile developer in the context of web3 would typically be focused on developing mobile applications that utilize blockchain technology and decentralized protocols

This could involve creating apps that allow users to interact with decentralized applications (dApps) or utilizing blockchain technology to build new features and functionality into existing mobile apps

The specific tasks and responsibilities of a mobile developer in web3 would depend on the needs of the project they are working on.