Quality Assurance (QA) Engineer
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About the Role
OneAsset is a regulated, venture-backed platform at the intersection of tokenised real estate and institutional-grade DeFi infrastructure.
Key Skills for This Role
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Overview
OneAsset is a regulated, venture-backed platform at the intersection of tokenised real estate and institutional-grade DeFi infrastructure.
We are building the on-chain ownership layer for global real-estate investment — bringing liquidity, transparency, and accessibility to an asset class historically locked behind geographic and capital barriers.
Quality is not a checkbox for us — it is a competitive advantage.
Role Overview
We are seeking a self-directed QA engineer — not someone who clicks through the app confirming the happy path.
We want someone who digs underneath the UI to find the bugs that actually hurt us.
You will own quality end-to-end: deciding what to probe, designing your own test strategy, and investigating independently rather than waiting for a script.
The mindset we value most:
*"What happens if I send this instead?" — not "Does the button work?"*
API & Backend Testing
- Call endpoints directly via Postman or curl; read and interrogate Swagger/OpenAPI specs
- Verify request/response contracts, input validation, and error-handling across edge cases the UI never exposes
- Design negative-path and boundary tests that go beyond surface-level smoke testing
Auth & Access Control
- Probe Privy authentication flows end-to-end for correctness and resilience
- Test for broken object-level authorisation (BOLA/IDOR) — ensure no user can read or modify another user's data
- Identify permission gaps across roles, tenants, and session states
Data Correctness & Integrity
- Confirm that what the UI presents matches the backend and database — asset values, financial figures, enum integrity, category states
- Verify data consistency across state transitions, including post-migration correctness
- Design and run database-level validation checks alongside API and UI testing
Test Strategy & Ownership
- Define what gets tested, how, and to what depth — no hand-holding required
- Maintain a living test plan that evolves with the product
- Write clear, reproducible bug reports that engineers can act on immediately
- Champion quality across the engineering org; raise risk flags early
Must-Have
- 5+ years in QA engineering, with meaningful experience in API/backend testing
- Fluency with Postman, curl, and reading OpenAPI/Swagger documentation
- Demonstrable experience testing auth systems and access-control logic
- Strong understanding of REST principles, HTTP semantics, and JSON
- Experience with data validation — querying databases (SQL) to verify backend state
- Autonomous, investigative mindset — you define scope, not wait for a script
Strong Plus
- Experience in fintech, Web3, DeFi, or tokenised-asset platforms
- Familiarity with Privy or similar wallet-based / embedded-wallet auth systems
- Exposure to blockchain state verification — on-chain vs. off-chain data consistency
- Experience writing test automation (JavaScript/TypeScript, Python, or similar)
- Prior work in a regulated environment (FCA, DFSA, VARA, or equivalent)
What Success Looks Like
- In your first 90 days, you will have:
- Conducted a full audit of our API surface and produced a prioritised risk register
- Caught at least one high-severity auth or data-integrity bug before it reached production
- Established a test strategy document the whole engineering team references
- Become the person who asks the question nobody else thought to ask
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