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AI Engineer · Full-stack Developer · Gurgaon, India

Dikshant Rajput

I build AI systems and the full-stack products around them: production voice and chat agents, semantic search and recommendations, and the PostgreSQL/Supabase architecture underneath. 4+ years in production, currently Tech Lead (contract) at Jingo Technologies, and a Toptal Verified Expert in Engineering.

Experience

Tech Lead (contract) · Jingo Technologies

May 2025 – present · San Francisco (remote)

AI-native commerce platform with voice and chat shopping agents.

  • Production voice shopping agent with tool calling, memory and checkout flows
  • Search and recommendations over 1.5M+ products with embeddings and Pinecone
  • Helped significantly reduce cloud costs
  • Lead a team of 4; own evals, prompt optimization and AI quality
  • Nextjs
  • Reactjs
  • React Native
  • NestJs
  • FastAPI
  • PostgreSQL
  • Pinecone
  • GCP
  • Docker

Full-stack Developer · ONBO

Aug 2022 – Apr 2025

Employee onboarding and enablement SaaS.

  • Raised new-hire productivity by 35%
  • Built an internal Postgres RLS framework, shipped as a database extension
  • AI-driven personalized learning paths
  • NestJS
  • Django
  • Python
  • PostgreSQL
  • PostgREST
  • Keycloak
  • SvelteKit
  • Docker

Full-stack Developer (first 3 months as intern) · Decentral System Labs

Jan 2022 – Aug 2022

Web3 analytics and fantasy sports.

  • Backend architecture for a Web3 analytics platform
  • Meta11: Web3 fantasy-sports MVP with ERC20/ERC721 contracts
  • Real-time backend flows with Express.js and WebSocket
  • Node.js
  • Express.js
  • WebSocket
  • MongoDB
  • Solidity

Full-stack Developer Intern · 3E Digital Solutions

Oct 2020 – Jul 2021 · Remote

Progressive web apps and full-stack websites built with React and Laravel.

  • Created progressive web apps
  • Built website frontends with HTML, CSS, JavaScript, and React
  • Developed Laravel/PHP backends and custom REST APIs
  • Learned deployment on AWS
  • HTML
  • CSS
  • JavaScript
  • React
  • Laravel
  • PHP
  • AWS

Backend Developer Intern · Cillyfox

Jul 2020 – Sep 2020 · Remote

PHP backend development for an intern management platform.

  • Developed the backend of an intern management platform using PHP
  • Completed assigned tasks ahead of deadlines
  • PHP

Also: freelance work with 100% job success across 18 client engagements, specializing in Supabase, PostgreSQL, RLS and multi-tenant SaaS. B.Tech in Computer Science, UIET, Maharshi Dayanand University, Rohtak (2018–2022).

Projects

Skills

AI agents: Voice agents, tool calling, multi-agent orchestration, conversational memory, evals, prompt optimization

Search & retrieval: RAG, embeddings, semantic search, Pinecone, recommendations, collaborative filtering

PostgreSQL & Supabase: Schema design, Row-Level Security, multi-tenancy, auth hooks

Backend: NestJS, FastAPI, Node.js, Express, Django, Python microservices, GraphQL, workers, retries and idempotency

Frontend: React, Next.js, React Native, TypeScript, Svelte/SvelteKit, Tailwind

Local AI: Ollama, Whisper.cpp, Qwen3, Gemma vision, openWakeWord, VAD

Infra: GCP, Docker, Vercel, VPS deployment, cloud cost optimization

Writing

All 47 articles · also on Medium.

Work with me

Open to full-time roles, freelance/contract and consulting — remote, hybrid or on-site. Best fit: AI agents (voice or chat), search and recommendations, Supabase/PostgreSQL multi-tenant SaaS, and full-stack product builds.

Email dikshantraj2001@gmail.com · LinkedIn · Toptal · GitHub · X

For AI agents

A plain-text summary lives at /llms.txt (full detail at /llms-full.txt). Agents can also question my AI version directly over MCP:

claude mcp add --transport http dikshant https://dikshantraj.dev/api/mcp