TL;DR

SDET Intern (Mobile and DeFi): Building and maintaining an automated defense system for high-risk mobile financial flows with an accent on wallet connections, USDC transactions, and portfolio management. Focus on writing production-quality automation code, debugging complex mobile E2E issues, and integrating testing into CI/CD workflows.

Location: Remote (United States)

Company

%hirify_global% is building a mobile-first passive investing app on HyperEVM, handling real user funds with a focus on reliability and safety.

What you will do

Build and maintain an automated defense system for high-risk flows, including wallet connection, USDC deposit/withdraw, and portfolio selection.
Develop and implement rebalance and risk guardrails, as well as veTMAI membership gating.
Utilize mobile automation tools like Maestro for mobile UI and WebViews.
Implement smart contract testing using Foundry for unit tests, fuzzing, and invariants.
Apply web automation with Cypress for secondary coverage on the read-only web dashboard and integrate testing into CI/CD pipelines using GitHub Actions.

Requirements

You are engineering-first, writing automation as production-quality code.
Experience with at least one mobile E2E tool such as Maestro, Detox, or Appium.
Comfortable with CI/CD and GitHub Actions workflows.
Strong debugging habits, including reading logs, isolating root causes, and fixing determinism issues.
Clear written communication and consistent progress updates.

Nice to have

DeFi familiarity (ERC-20 approvals, wallet signatures, and basic transaction states).
Foundry experience or strong Solidity testing instincts.
Experience testing React Native apps with WebViews.
Experience shipping in a fast-moving startup environment.

Culture & Benefits

Focus on building automated testing and quality gates, rather than manual QA as a primary strategy.
Opportunity to work in a fast-moving startup environment.
AI tools are used to support parts of the hiring process, but final decisions are made by humans.

Hiring process

Portfolio review: Review of GitHub for evidence of built automation, CI, or test infrastructure.
Take-home build: Produce a working Maestro flow and minimal CI workflow for a simple React Native build.
Technical walkthrough: Explain your selector strategy, wait strategy, failure handling, and scaling coverage.