# Vivek Singh — AI systems & full stack engineer

> India-based engineer available for remote freelance and contract work. This summary points to the public portfolio; project names are descriptive.

## Services
- [Agentic AI & automation](https://vivekbuilds.com/services/agentic-ai-development/): AI agents that connect your tools, knowledge and people. From RAG assistants to durable multi-agent workflows with human oversight.
- [Full stack & AI-powered SaaS](https://vivekbuilds.com/services/full-stack-saas-development/): Web applications and SaaS products with clear interfaces, dependable APIs and AI features that serve a real business need.
- [Data analytics & model engineering](https://vivekbuilds.com/services/data-analytics-model-engineering/): Turn operational data into usable insight and model-ready datasets. Connect analytics, fine-tuning and evaluation to the application.
- [Backend, cloud & Web3](https://vivekbuilds.com/services/backend-cloud-web3-development/): The systems behind the product: APIs, event streams, cloud services and wallet-connected applications.
- [Messaging bots & commerce automation](https://vivekbuilds.com/services/whatsapp-commerce-automation/): WhatsApp bots, Telegram automation, SMS workflows and Shopify integrations that connect conversations to your business operations.

## Selected work
- [Multi-agent HRMS & Hiring Platform](https://vivekbuilds.com/work/hrms/): Five specialist agents, connected tools and human handoffs across the hiring lifecycle.
- [Cost-Aware AI Gateway](https://vivekbuilds.com/work/router/): Model selection that balances task fit, cost and latency, with caching and provider failover.
- [AI Knowledge & Market Intelligence](https://vivekbuilds.com/work/knowledge/): Retrieval and sentiment workflows that connect streaming data with language models.
- [Healthcare SaaS Platform](https://vivekbuilds.com/work/health/): A multi-tenant healthcare SaaS backend serving 500+ clinics across 2K+ locations.
- [Agentic Advertising Platform](https://vivekbuilds.com/work/ads/): Autonomous targeting workflows connecting brand intent, retrieval and backend services.
- [Code With Companion](https://vivekbuilds.com/work/collab/): Real-time collaborative coding with audio/video calls, an editor and a shared whiteboard.
- [Business Intelligence & AI Search Platform](https://vivekbuilds.com/work/fastbase/): Large-scale business datasets, caching and retrieval behind natural-language company discovery.
- [Enterprise AI Agent Runtime](https://vivekbuilds.com/work/runtime/): Typed agents, durable execution, persistent memory and cost-aware inference for production workflows.
- [Enterprise Contract Intelligence](https://vivekbuilds.com/work/contracts/): Specialist agents for intake, clause extraction, risk analysis and compliance validation.
- [AI Data & Analytics Pipelines](https://vivekbuilds.com/work/mlpipeline/): Batch and streaming processing, embedding pipelines and analytics across cloud services.
- [Autonomous Solana Monitoring](https://vivekbuilds.com/work/solana/): A monitoring agent connecting on-chain signals, social data, sentiment and autonomous alerts.
- [NFT Marketplace & Smart Contracts](https://vivekbuilds.com/work/nft/): Solidity contracts and marketplace interfaces connecting wallets, digital assets and ownership workflows.
- [AI Catalog & Commerce Platform](https://vivekbuilds.com/work/pim/): Product information management for 90K+ SKUs across 23 retail platforms, with AI-assisted enrichment.
- [AI Video & Voiceover Factory](https://vivekbuilds.com/work/video/): An orchestrated content pipeline for scripts, TTS voiceovers, imagery, rendering and publishing.
- [AI Website Migration Automation](https://vivekbuilds.com/work/migration/): An intelligent extraction and migration workflow that turns website content into a structured delivery pipeline.
- [Voice & Communication Automation](https://vivekbuilds.com/work/voice/): Twilio communication workflows connecting voice, notifications, backend APIs and human handoffs.
- [WhatsApp, Telegram & SMS Automation](https://vivekbuilds.com/work/messaging/): Messaging bots that connect customer conversations, business APIs, notifications and human support.
- [AI Campaign Planning & Publishing](https://vivekbuilds.com/work/marketing/): Agent-assisted content, multi-platform publishing and campaign analysis to inform channel and budget decisions.
- [Commerce Order Management System](https://vivekbuilds.com/work/oms/): An OMS connecting orders, payments, tax and invoice services, processing 2K+ monthly orders.

## Contact
- [Portfolio and contact](https://vivekbuilds.com/#contact)
- [GitHub](https://github.com/Vivek1898)
- Email: viveksingh27795@gmail.com

No fixed pricing is published. Scope, working hours and compensation are agreed per engagement.