Create resilient blockchain systems that support crypto lending, borrowing, and trading across Bitcoin (BTC), Ethereum (ETH), and USDT workflows.
Core stack: TypeScript, Node.js, Solidity, Hardhat or Foundry, PostgreSQL, Redis, Docker, AWS
Experience needed: 4+ years in backend or blockchain engineering, including 2+ years shipping production smart contracts, wallet integrations, or exchange infrastructure.
Main responsibilities and knowledge areas
- Architect and maintain blockchain-ready backend services with strong observability and safe rollback paths.
- Write and review smart-contract code using security-focused practices and explicit test coverage.
- Understand custody models, withdrawal flows, signing pipelines, and chain-confirmation handling.
- Partner with product and compliance teams on risk controls tied to Vauld Crypto platform operations.
Build fast interfaces with strong UX polish and a clear emphasis on reliability.
Core stack: React, Next.js, TypeScript, styled-components, Playwright, Sentry
Experience needed: 3+ years building production web apps, with delivered work in performance-sensitive products such as fintech, crypto exchange, or wallet dashboards.
Main responsibilities and knowledge areas
- Launch responsive interfaces for account, portfolio, and crypto trading experiences.
- Preserve accessibility, error handling, and resilient data-loading states at scale.
- Work closely with design and backend teams to keep UX coherent and conversion-oriented.
- Improve Core Web Vitals and loading behavior for high-traffic financial screens.
Lead end-to-end quality checks for wallet, KYC, distribution, and withdrawal flows across the Vauld platform.
Core stack: Playwright, Cypress, Postman, SQL, Jira, GitHub Actions, k6
Experience needed: 3+ years in web/API QA, including automated coverage and regression planning for fintech, crypto, or payments products.
Main responsibilities and knowledge areas
- Create and maintain automated UI/API suites for high-risk user actions and critical business flows.
- Verify release quality for vauld withdrawal update paths, KYC checkpoints, and transaction-status changes.
- Work with engineering to isolate root causes, improve test data, and reduce escaped defects. 9
- Run performance and reliability checks before release windows and incident-prone changes.
Support KYC, monitoring, and control programs while scaling compliance quality for a global crypto product.
Core stack: KYC tooling, AML monitoring systems, Google Sheets, SQL (basic), Notion, Jira
Experience needed: 2+ years in compliance, risk, or financial operations, ideally in crypto, digital assets, or payments institutions.
Main responsibilities and knowledge areas
- Review onboarding and account activity against internal policies and jurisdictional rules.
- Record escalation outcomes clearly for audit readiness and operational traceability.
- Coordinate with legal, support, and product teams on process changes and user messaging.
- Support policy hygiene and control design relevant to Vauld Restructuring and ongoing platform operations.