Freelancers using MySQL in AgraFreelancers using MySQL in Agra
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Sachin Shrivastav's avatar
Sachin Shrivastav
Agra, India
Full-Stack SaaS Developer | Node.js, TypeScript, React
Full-Stack SaaS Developer | Node.js, TypeScript, React
Cover image for GoSchool - A Next.js School Finder Web Application
GoSchool - A Next.js School Finder Web Application
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Cover image for I've contributed as a lead
I've contributed as a lead engineer to a multi-tenant HR SaaS platform, owning major backend architecture and full-stack feature delivery. I designed and built a workflow and approval engine supporting parallel execution, quorum-based approvals, delegation, SLA-based escalation, decision tables, and sub-workflows. I also built its visual workflow designer, template/document generation, forms, search, authorization, integrations, and observability capabilities. The platform uses TypeScript, Cloudflare Workers, Hono, PostgreSQL, Drizzle ORM, React, TanStack, Cerbos, and OpenTelemetry.
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Cover image for Built and maintained major parts
Built and maintained major parts of a production real estate technology platform covering property management, leads, referrals, tours, analytics, reporting, and third-party integrations. I owned substantial backend and frontend functionality using NestJS, PostgreSQL, Prisma, Redis, React, Redux Toolkit, AWS, and Socket.io (http://Socket.io). My work included high-volume analytics, database optimization, reporting pipelines, timezone-aware scheduling, complex forms, multi-tenant functionality, and integrations with external real estate and productivity platforms.
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Cover image for Built a distributed data ingestion system for collecting lis...
Built a distributed data ingestion system for collecting listing, lead, and analytics data from multiple real estate data sources. The system used Python, FastAPI, Celery, Redis, Selenium Grid, and Docker to coordinate authenticated scraping across concurrent workers. I designed shared session management using Redis locks and pub/sub, parallelized scraping workloads with Celery, and implemented missing-page reconciliation to improve reliability. The production pipeline was designed to process large ingestion workloads reliably without manual intervention.
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MySQL(1)
Ishan Berry's avatar
Ishan Berry
Agra, India
Backend Developer|Web Developer.I Builds Robust Application.
Backend Developer|Web Developer.I Builds Robust Application.
Cover image for Rajasthan Police Hackathon: Police Feedback System
Rajasthan Police Hackathon: Police Feedback System
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Cover image for AI-Driven Interactive Java Tutor Development
AI-Driven Interactive Java Tutor Development
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Cover image for Real-Time Quiz Platform Development
Real-Time Quiz Platform Development
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MySQL(1)