Senior TypeScript Developer -Real-Time Web Monitoring WW-PT

Role Overview

Join our innovative US-based team as a Senior TypeScript Developer to help complete our cutting-edge real-time web monitoring tool. You will work with a robust codebase utilizing TypeScript, Node.js, React, and SQLite. Your primary objective is to deliver enhancements without disrupting existing functionality, ensuring the system's integrity and performance.

Responsibilities

• Contribute to the development of a real-time web monitoring tool using TypeScript, Node.js, and React.
• Ensure the stability of the current codebase while implementing new features.
• Collaborate with the team to maintain passing tests and system reliability.
• Integrate and optimize features that require high-speed data processing where milliseconds matter.
• Utilize Playwright or Puppeteer to navigate and manage interactions with active anti-bot systems such as Cloudflare, DataDome, and Akamai.
• Develop and implement features using LLM APIs from OpenAI, Anthropic, or Google.
• Write and maintain tests using vitest or jest to ensure code quality and performance.

Required Skills

• Over 5 years of experience in TypeScript for both backend and frontend development.
• Proficiency with Playwright or Puppeteer for handling anti-bot systems.
• Experience in high-speed environments like sports betting, sneaker bots, ticket bots, ad-tech (RTB), or crypto arbitrage.
• Proven track record of shipping features using LLM APIs in production settings.
• Strong testing skills with frameworks such as vitest or jest.
• Fluent in written English for effective communication.

Nice to Have

• Experience with tRPC, Drizzle ORM, or WebSocket pub/sub.
• Skills in reverse-engineering private APIs from minified JavaScript.