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Adarsh S.
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Adarsh S.

Mobile & Web App Developer | iOS, Flutter, React Native + AI Apps

I build AI products and mobile apps that ship - LLM apps, AI agents, RAG systems, and iOS/Android apps serving up to 2M+ users. 13+ years, ex-CTO. Top Rated, 100% Job Success. You don't need another developer. You need working software - shipped on time, at the price we agreed, that doesn't fall apart after launch. I lead a senior engineering team at SynchSoft (ISO 27001, CMMI Level 3), and on your project I own the outcome personally: architecture, delivery, and the business result. 🛡️ WHY THE RISK IS ON ME, NOT YOU ✅ Fixed-price quote before we start - no scope-creep billing ✅ 2-week sprints with a live demo every time - pause or stop anytime, no penalty ✅ You own 100% of the code and IP ✅ 90-day post-launch support included ✅ US business-hours communication, NDA on request 🤖 AI & AUTOMATION ● Stellar Fate - AI numerology app on iOS and Android: GPT-4 + LangChain + Pinecone vector search for personalized readings, compatibility and daily predictions. 4.6★ on Google Play. ● Nova CRM - AI-powered CRM for real estate teams: leads, pipelines and automated follow-up workflows. ● Pocket Pandit - our own Vedic astrology app with AI horoscope insights, birth charts and reports. 1K+ downloads, 4.6★. ● What I build: LLM apps, AI agents and multi-agent workflows, RAG grounded in your own documents and data, AI chatbots, document processing, and AI features added to existing products. ● Stack: OpenAI, Claude, Gemini, LangChain, LangGraph, MCP, vector databases, Python, FastAPI, Node.js. 📱 MOBILE & FULL-STACK PRODUCTS ● GoBlu - electric cab booking app on iOS and Android. 10K+ downloads, 4.8★. ● DialDAO - local business directory for Bangladesh with 4,000+ businesses and ~50K monthly visitors. Nuxt + Supabase. ● Fusemi - social meetup app on iOS, Android and Next.js web. 5.0 on Upwork. ● Pocket Prints (Australia) - native iOS/Android photo-print apps on Shopify that the business runs on every day. ● TaskPair - co-parenting platform used by thousands of families. ● RE/MAX Millennium (Toronto area) - engineering lead for the brokerage's website and Millennium Plus property app. ● Stack: React Native, Flutter, Swift, Kotlin, Next.js, Node.js, NestJS, Laravel, Supabase, PostgreSQL, Firebase, AWS. Live links and screenshots for all of these are in my Portfolio below. 💬 WHAT CLIENTS SAY - 4.9/5 across 9 verified Clutch reviews ⭐ "They always hit their targets and deadlines." - Owner, Hop Lexington ⭐ "They think, plan, and offer the best solution for a startup." - CEO, DialDAO ⭐ "Code is exceptionally clean. If you give him room to run, he will impress you every time." - Founder, Webbome Labs ⭐ "We have come to depend on them almost every day." - Co-founder, Pocket Prints 📩 Tell me what you're building. Within one business day you'll get an honest read on scope, timeline, and cost - on a free discovery call with an engineer, not a salesperson.

🇮🇳Lucknow, India$25/hr100% JSS4.98 (17)Since Oct 2015
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Earnings and projects

MRR
$824

Last 6 months ÷ 6

World#56,674 / 412k
🇮🇳Country#6,203 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $4.9k

Total earnings
$47k

Billed in all: $48k

World#79,598 / 412k
🇮🇳Country#11,799 / 45.9k
Per project
$2.1k

$4.9k in the last 6 months

World#75,447 / 412k
🇮🇳Country#9,136 / 45.9k
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇮🇳Country#14,379 / 45.9k
Projects in all
23
78% fixed22% hourly
World#120,400 / 412k
🇮🇳Country#17,662 / 45.9k

Earnings, last 30 days

$47.8kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$47.0k$47.5k$48.0k$48.5kOct 8Oct 23Nov 7

Skill rankings: Top 13% in Flutter

Ranked by MRR among everyone on Upwork with the skill.

  1. #409MERN Stack3,086 freelancers · 🇮🇳 #157Top 13%
  2. #411Kotlin3,021 freelancers · 🇮🇳 #144Top 14%
  3. #438GraphQL3,403 freelancers · 🇮🇳 #119Top 13%
  4. #495Swift3,634 freelancers · 🇮🇳 #174Top 14%
  5. #510Chatbot Development3,106 freelancers · 🇮🇳 #90Top 16%
  6. #797LangChain3,821 freelancers · 🇮🇳 #176Top 21%
  7. #876Retrieval Augmented Generation3,618 freelancers · 🇮🇳 #190Top 24%
  8. #907Firebase6,978 freelancers · 🇮🇳 #235Top 13%