QA Lead | DeFi / Crypto / Solana | Remote
Experience
We’re looking for a QA Lead who will fully own product quality across a DeFi neobank built on Solana. As the only QA Lead, you’ll build QA processes from scratch, collaborate closely with engineering teams, and become the single source of truth for product reliability.
Benefits
Format: Full-time, Remote.
Salary
Competitive, discussed individually.
You’ll oversee quality for the entire product stack from Solana on-chain logic and transaction flows to iOS/Android mobile experiences, financial calculations, credit engine stability, and UX edge cases. The platform combines smart-contract–secure borrowing, real-time APY and LTV logic, dynamic limits, and high-volume transaction processing. The platform provides a crypto-collateralized credit card, Borrow Mode, Savings Hub, premium membership tiers, integrations with Drift/Kamino, and a proprietary credit engine, all within a full-scale mobile fintech application.
About the company and the project:
Your tasks
Test deposits, withdrawals, borrow/repay flows. Validate PDA, delegate, signer logic, APY/interest calculations, Direct Mode vs Borrow Mode behaviour, Borrow Power calculations. Verify transaction flows. Stress-test edge cases. QA for Savings Hub and Borrow Mode contracts. Test all core flows, limits, membership features, fallback logic, push notifications, UX responses, and failure scenarios. Ensure transaction stability and error handling, safety and correctness of all monetary operations.
Assess transaction processing time, declines, failed scenarios. Verify all financial displays. Build test matrix, plans, regression suites from scratch. Set up QA documentation and reporting standards. Establish bug-tracking processes. Act as the central authority for quality across the product. Create clear, structured bug-reports & UX recommendations. Track edge-case bugs and hidden logic issues
Assess transaction processing time, declines, failed scenarios. Verify all financial displays. Build test matrix, plans, regression suites from scratch. Set up QA documentation and reporting standards. Establish bug-tracking processes. Act as the central authority for quality across the product. Create clear, structured bug-reports & UX recommendations. Track edge-case bugs and hidden logic issues
Advantages
Requirements
3+ years of QA experience. Mandatory experience in crypto / Web3 / DeFi.
Strong understanding of Solana ecosystem: RPC, SPL tokens, PDAs, wallets. Experience testing mobile applications (iOS/Android).
Ability to independently own the entire QA function. High attention to edge cases, financial logic, and transaction flows.
Nice to Have:
Experience testing Solana smart contracts directly. Knowledge of DeFi — lending/borrowing, yield, margin. Ability to write basic automated tests (TS/Rust). Experience in US/EU fintech environments. Technical background.
Strong understanding of Solana ecosystem: RPC, SPL tokens, PDAs, wallets. Experience testing mobile applications (iOS/Android).
Ability to independently own the entire QA function. High attention to edge cases, financial logic, and transaction flows.
Nice to Have:
Experience testing Solana smart contracts directly. Knowledge of DeFi — lending/borrowing, yield, margin. Ability to write basic automated tests (TS/Rust). Experience in US/EU fintech environments. Technical background.
Opportunity to own QA quality end-to-end.
Direct impact on a high-growth crypto credit & savings product.
Work with advanced Solana/DeFi infrastructure.
Build scalable QA processes from zero.
Direct impact on a high-growth crypto credit & savings product.
Work with advanced Solana/DeFi infrastructure.
Build scalable QA processes from zero.
Please get in touch
with our recruiters via
Telegram: @hr_createit
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