Junior Full-Stack Developer (Remote). Pyrock is building an AI-powered operations platform for construction companies. Our system reads WhatsApp conversations, voice notes, documents, site updates, work orders, inventory, follow-ups, and daily reports - then turns them into structured, actionable site-management data. We are looking for a strong Junior Full-Stack Developer who is curious, dependable, and comfortable working on real product problems - not only isolated tickets. Salary: ₹55,000 per month Work mode: Fully remote Schedule: 6 days a week Role: Full-time What you will work on - Build and improve features in our React + TypeScript web application. - Work on backend APIs and workflows using Cloudflare Workers, Durable Objects, D1/SQLite, R2, and Workflows. - Improve how our AI understands informal WhatsApp conversations in English, Hindi, Hinglish, Gujarati, Marathi, voice notes, photos, and documents. - Build practical construction-management features: daily progress reports, work orders, follow-ups, inventory, drawings/GFC tracking, quality checks, site issues, contractor performance, and project timelines. - Debug real production issues, write tests, and improve product reliability. - Work closely with the founder to turn messy real-world client workflows into simple software. You should have - Strong fundamentals in JavaScript and TypeScript. - Experience with React. - Comfort with backend/API development. - Familiarity with SQL and relational data modelling. - Ability to read an existing codebase, understand the flow, and make safe changes. - Good debugging skills and attention to detail. - Comfort using Git and writing readable code. - Interest in AI products, automation, and real-world business workflows. - Ability to communicate clearly in English. Hindi/Hinglish is a plus. Nice to have - Cloudflare Workers, serverless systems, SQLite, or Node.js experience. - Experience with AI APIs, LLM workflows, OCR, speech-to-text, or WhatsApp automation. - Experience building SaaS products or internal business tools. - Understanding of construction, operations, procurement, or field-team workflows. This role is not for you if - You only want narrowly defined frontend tasks. - You are not comfortable reading and improving an existing codebase. - You need detailed instructions for every small decision. - You are unable to commit to a six-day work week.