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SDET Intern (Mobile and DeFi)
Austin, TX
Engineering Team /
Part-time /
Remote
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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
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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How to get a web3 internship?
There are a few steps you can take to increase your chances of getting a web3 internship
- Start by building your skills and knowledge. This could include taking courses on web development, blockchain technology, and web3 technologies.
- Make sure your resume and online profiles showcase your skills and experience, including any relevant projects you've worked on.
- Network with people in the web3 industry and attend relevant conferences and events to meet potential employers and learn about opportunities.
- Apply for internships at web3 companies or organizations that align with your interests and goals. Be sure to tailor your application to the specific internship and highlight your relevant skills and experience.
- Be persistent and keep applying for internships, even if you don't get accepted right away. It can take time to find the right fit, so be patient and keep working on improving your skills and networking with potential employers.
- If you were rejected don't get disencouraged! Ask for honest feedback so you can improve the next time.