Senior Node.js Backend Engineer (Crypto / Low-Latency / Scraping)

Foundrr.lab is seeking a Senior Node.js Backend Engineer to build low-latency systems for crypto announcement monitoring and high-speed data parsing. This is a full-time, long-term remote position focused on developing trading bots, bypassing anti-bot protections, and creating real-time streaming solutions.

• Build low-latency systems (under 100ms) for crypto announcement monitoring
• Develop high-speed parsers for social media and exchange data
• Bypass Cloudflare and anti-bot protections at protocol level
• Work with WebSocket, real-time streaming, and async pipelines
• Design proxy infrastructure, anti-ban, and rate-limit bypass systems
• Participate in development of trading bots and fintech tools

• Strong experience with Node.js (async/await, streams, clustering, workers)
• Proven experience building low-latency systems
• Real experience bypassing Cloudflare without browser automation tools
• Deep understanding of event-driven architecture
• Experience with WebSocket and streaming APIs
• Knowledge of TCP/IP, TLS, handshakes, and fingerprinting
• Background in crypto, fintech, or scraping
• GitHub or demo/video samples of relevant projects

Format: Remote / Full-time / Long-term

Compensation Model: Fixed price per stage or project (not hourly or salary-based)

Work Model: Long-term partnership with multiple parallel projects and high autonomy