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The Senior Quality Assurance Engineer will oversee QA processes, automate testing, ensure quality across products, and collaborate with teams to improve standards and workflows.
About the role
You will be the quality champion for our entire product suite— including self-custodial wallet, account abstraction products, Node RPC services, and a pipeline of web / mobile dApps. As the first senior-level QA on the team, you will own test strategy end-to-end, automate for scale, and embed security-critical thinking into every release.
Key responsibilities- Quality strategy & process: Define and continuously improve QA standards, release criteria, and metrics. Select and maintain the right toolchains.
- Automation: Build and maintain a unified test automation framework covering web, mobile and backend APIs.
- Functional & regression testing: Author and execute test plans for new wallet features, account-abstraction flows, and future dApps. Ensure backward compatibility across wallet versions and blockchain networks.
- Performance & reliability: Drive load, stress, and fail-over testing.
- Cross-team collaboration: Partner with Product, Design, and Engineering Leads to refine acceptance criteria. Taking ownership, follow up and drive the quality assurance workflow.
Required experiences
- 3+ years in QA for consumer web/mobile app, blockchain or fintech products, with at least 2+ years leading automation efforts.
- Deep experience in one web/mobile automation stack.
- Strong JavaScript/TypeScript competence.
- Excellent written & verbal English; able to write crisp test plans and bug reports.
Nice-to-have
- Prior work on a self-custodial crypto wallet, or DeFi app.
- Familiarity with Solidity, smart contract security basics and testing.
- Knowledge of account abstraction.
- Startup or scale-up experience; comfortable with rapid iteration.
- Experience of utilizing AI tools for testing.
We do not offer visa sponsorship or relocation support for Singapore or any other country. Candidates must already have valid work authorization in their current country of residence
Top Skills
JavaScript
Typescript
Startale Singapore Office
105 Cecil Street, Singapore, 069534
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