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Navratan S.
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Navratan S.

Senior Full-Stack AI Developer | RAG & AI Agents | React, Next, Node

𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 | 𝟏𝟎𝟒+ 𝐉𝐨𝐛𝐬 | $𝟐𝟎𝟎𝐊+ 𝐄𝐚𝐫𝐧𝐞𝐝 | 𝟐𝟎+ 𝐘𝐞𝐚𝐫𝐬 𝐒𝐞𝐧𝐢𝐨𝐫 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 building production AI SaaS, web and mobile products using RAG, AI agents, OpenAI, Claude, React, Next.js and Node.js. I work across architecture, frontend, backend, APIs, AI workflows, databases, cloud infrastructure and production deployment — including taking existing or AI-generated codebases from prototype to production. 𝐑𝐞𝐜𝐞𝐧𝐭 𝐀𝐈 & 𝐒𝐚𝐚𝐒 𝐖𝐨𝐫𝐤 → 𝐑𝐀𝐆 / 𝐀𝐈 𝐊𝐧𝐨𝐰𝐥𝐞𝐝𝐠𝐞 𝐒𝐲𝐬𝐭𝐞𝐦 — RAG-based AI system using semantic retrieval, contextual reasoning and a structured knowledge layer to ground responses in user data. → 𝐀𝐥𝐩𝐡𝐚𝐭𝐨𝐩𝐢𝐚 — AI investment intelligence platform with AI research, DCF valuation, scenario analysis, financial dashboards, subscriptions and explainable AI output. → 𝐏𝐚𝐭𝐡𝐰𝐚𝐲 — AI recruitment SaaS with resume generation, ATS optimization, Fit Score matching, mock interviews, candidate evaluation and recruiter workflows. → 𝐄𝐦𝐨𝐭𝐢𝐨𝐧 𝐔𝐧𝐥𝐨𝐜𝐤𝐞𝐝 — Conversational AI with persistent memory, user profiling, contextual interactions and OpenAI Realtime Voice. → 𝐏𝐫𝐨𝐩𝐞𝐫𝐭𝐲 𝐏𝐚𝐥 — AI property management platform using property-specific context for personalized maintenance recommendations. → 𝐎𝐢𝐤𝐨 — React Native/Expo application built with AI-assisted development. Took over the existing code, fixed missing validations and edge cases, stabilized the app and prepared it for internal testing. 𝐎𝐭𝐡𝐞𝐫 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 → 𝐓𝐫𝐚𝐜𝐤𝐨𝐥𝐨𝐠𝐲 𝐍𝐨𝐫𝐝𝐒𝐞𝐧𝐬𝐞 — Flutter IoT platform using AWS IoT Core and MQTT for GPS tracking, geofencing, alerts and live dashboards. → 𝐊𝐚𝐫𝐦𝐦 — Live consultation marketplace with 100K+ downloads, realtime communication, profiles, payments and customer/provider workflows. I’m especially comfortable with existing-codebase work — understanding what is already there, tracing bottlenecks, integrating APIs and AI, improving reliability and avoiding unnecessary rewrites. 𝐂𝐨𝐫𝐞 𝐒𝐭𝐚𝐜𝐤 React, Next.js, Node.js, NestJS, TypeScript, JavaScript, Python, PHP, Laravel, Flutter, React Native, PostgreSQL, MySQL, MongoDB, Firebase, AWS, OpenAI, Claude, RAG, vector databases, AI agents, Stripe and realtime systems. I use Claude Code and other AI development tools in my workflow, while reviewing and validating the resulting code manually. I’ve been with GTS Infosoft LLP since 2010 and have contributed to 330+ software projects across AI, SaaS, web, mobile, IoT and cloud. 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬 AI Development • Generative AI • AI Agents • RAG • LLM • OpenAI • Claude • AI Integration • AI Automation • Semantic Search • Vector Databases • Conversational AI • AI SaaS • SaaS Development • Full-Stack Development • React • Next.js • Node.js • TypeScript • Python • API Integration • PostgreSQL • AWS • Stripe • Flutter • React Native • Realtime Applications • WebSockets • AI Code Productionization • Existing Codebase Development • SaaS Architecture • App Developer • Web Developer • AI Developer • Claude developer • AI Engineer • Flutter Developer • Native Developer • Cloud Architect • Docker • iOT • AWS Expert • Mobile Application Developer • AI Saas developer • Javascript • Backend developer If you’re building a new product, improving an existing application, or taking an AI prototype into production, send me the details and I’ll help map out the right technical approach.

🇮🇳Jodhpur, India$20/hr100% JSS4.95 (74)Since Sep 2015

Earnings and projects

MRR
$1.9k

Last 6 months ÷ 6

World#24,809 / 412k
🇮🇳Country#3,046 / 45.9k
Revenue, last 30 days
$3.6k

Last 6 months: $11k

World#9,619 / 412k
🇮🇳Country#1,174 / 45.9k
Total earnings
$201k

Billed in all: $246k

World#15,210 / 412k
🇮🇳Country#2,462 / 45.9k
Per project
$1.9k

$1.6k in the last 6 months

World#79,082 / 412k
🇮🇳Country#9,622 / 45.9k
Projects, last 6 months
7
100% fixed0% hourly
World#28,826 / 412k
🇮🇳Country#3,580 / 45.9k
Projects in all
104

Across 112 contracts

88% fixed12% hourly
World#26,343 / 412k
🇮🇳Country#4,712 / 45.9k

Earnings, last 30 days

$246k+$3.6k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$242k$244k$246k$248kOct 8Oct 23Nov 7

Skill rankings: Top 7% in Semantic Segmentation

Ranked by MRR among everyone on Upwork with the skill.

  1. #4Semantic Segmentation60 freelancers · 🇮🇳 #2Top 7%
  2. #4LLM Frameworks14 freelancers · 🇮🇳 #3Top 29%
  3. #20Vibe Coding136 freelancers · 🇮🇳 #12Top 15%
  4. #26rag implementation237 freelancers · 🇮🇳 #15Top 11%
  5. #134AI Agents877 freelancers · 🇮🇳 #32Top 15%
  6. #165AWS Development1,478 freelancers · 🇮🇳 #40Top 11%
  7. #518Firebase6,978 freelancers · 🇮🇳 #122Top 7%
  8. #568Supabase4,116 freelancers · 🇮🇳 #113Top 14%