Rust Systems Engineer, Browser Security at Datamint
Core
Building a low-latency Rust fast-fetch engine and isolated stealth browser fleet to extract structured data from bot-defended sites for AI agents and LLM pipelines.
Role type
Senior IC Rust Systems Engineer (Browser Security)
Builds
High-throughput crawling infrastructure and structured data extraction pipelines
Domain
AI infrastructure, web scraping, browser security
Deliverable
production ML models
Required skills
Rust, high-concurrency network I/O, Axum, Tokio, TLS/BoringSSL fingerprinting, proxy routing matrices, browser internals (Firefox/Chromium), canvas/WebGL/audio fingerprint evasion, CDP/WebDriver stealth
Preferred skills
Experience with hardened anti-bot defenses (Cloudflare, Kasada, DataDome), JA4/TLS and HTTP/2 frame emulation, JSON Schema/Pydantic, Model Context Protocol (MCP)
Technologies
Rust, Axum, Tokio, BoringSSL, Next.js, React, TypeScript, Linux, Xvfb, SQLite, Postgres
Responsibilities
Develop and maintain the Rust fast-fetch engine with JA4/TLS and HTTP/2 frame emulation; Implement stealth mechanisms for browser fingerprint evasion; Integrate proxy routing matrices for high-concurrency jobs; Collaborate on zero-code schema validation and MCP support
Seniority
Senior, hands-on IC
