Full-Stack Engineer (Security)

📋 Description

• Develop, operate, and improve services that screen blockchain wallet addresses before and during
• Optimize detection accuracy, caching, rescreening behavior, latency, and availability while
• Define screening policies across transaction stages, blockchain networks, and wallet roles.
• Ensure blocking decisions are explainable and auditable with clear error messages, reports, and
• Build and operate near-real-time systems to identify sandwich attacks and other MEV threats
• Own and enhance AI-powered auditing systems using large language models (LLMs), improving finding

🎯 Requirements

• At least 4 years of software engineering experience in building, deploying, and operating
• Strong TypeScript skills and ability to work across backend services, databases, APIs, and internal
• Demonstrated ability to own services throughout their lifecycle (deployment, instrumentation
• Strong understanding of queues, retries, idempotency, race conditions, concurrency, and numerical
• Experience building or operating fraud prevention, wallet screening, abuse detection, or similar
• Practical experience analyzing transactions on EVM-compatible blockchains, including transaction

🎁 Benefits

• Competitive base salary aligned with experience and expertise
• Equity package offering an opportunity to share in the long-term growth of the business
• Comprehensive healthcare benefits designed to support employee well-being
• Flexible time off: unlimited paid time off policy with an encouraged minimum to support regular
• Remote-first work environment: flexibility to work remotely, with a strong emphasis on
• Professional growth: opportunities to develop expertise across blockchain security, distributed