Senior Backend Engineer (Web Scraping & Data Infrastructure)
Company: LeadAssist
Location: Jaipur, Rajasthan (On-site)
Employment Type: Full-time
Experience: 4+ Years
About LeadAssist
LeadAssist is a B2B data and sales intelligence company building products around large-scale data extraction, lead generation, contact enrichment, and automation.
We work with platforms such as LinkedIn, Sales Navigator, Apollo, and other B2B data sources to help businesses access and enrich prospect data at scale.

We're looking for an experienced Senior Backend Engineer who understands the data extraction and enrichment industry and can take complete ownership of our production backend.
Candidates with prior experience in web scraping, B2B data enrichment, sales intelligence, or similar products will be strongly preferred.

Key Responsibilities
• Take complete ownership of our existing production backend, including architecture, performance, stability, and scalability.
• Design, develop, and maintain large-scale web scraping and data extraction systems.
• Build and optimize backend APIs, microservices,



and data processing pipelines.
• Manage high-volume data extraction, enrichment, and automation workflows.
• Improve scraping reliability, concurrency, request handling, and rate-limit management.
• Develop and maintain asynchronous tasks, background workers, and job queues.
• Optimize database queries, caching, and overall system performance.
• Troubleshoot production issues and implement long-term solutions.
• Manage backend deployments, monitoring, logging, and infrastructure reliability.
• Make technical decisions independently and ensure production systems operate efficiently.

Required Skills & Experience
• 4+ years of professional backend development experience.
• Strong proficiency in Python, Node.js, or JavaScript/TypeScript.
• Hands-on experience with web scraping, data extraction, or data enrichment systems.
• Solid understanding of REST APIs, backend architecture, and dist

📌 Back End DeveloperSenior Backend Engineer (Jaipur)
🏢 LeadAssist
📍 Jaipur