As a Senior QA Engineer, you'll define QA standards, automate testing, and collaborate with teams to ensure product quality, particularly for crypto applications.
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
Automation Frameworks
JavaScript
Solidity
Typescript
Startale Singapore Office
105 Cecil Street, Singapore, 069534
Similar Jobs
Blockchain • Software • Cryptocurrency
The Senior QA Engineer will create test plans, coordinate testing activities, perform manual testing, and track defects to ensure quality software delivery.
Top Skills:
JavaPythonRubySQL
Artificial Intelligence • Software • Web3
The Senior QA Engineer will develop test strategies, manage QA processes, collaborate with teams, identify and track issues, and improve testing methodologies.
Top Skills:
JunitSeleniumTestng
Cloud • Software
As a Linux System Engineer at Canonical, you will enhance quality through automation, troubleshoot issues in Ubuntu systems, and develop test cases. You'll collaborate across teams to ensure continuous integration and quality excellence.
Top Skills:
C/C++DebianLinuxPythonShell ScriptingUbuntu
What you need to know about the Singapore Tech Scene
The digital revolution has driven a constant demand for tech professionals across industries like software development, data analytics and cybersecurity. In Singapore, one of the largest cities in Southeast Asia, the demand for tech talent is so high that the government continues to invest millions into programs designed to develop a talent pipeline directly from universities while also scaling efforts in pre-employment training and mid-career upskilling to expand and elevate its workforce.
