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.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $4.9k
Billed in all: $47,817$48k
$4.9k in the last 6 months
Earnings, last 30 days
Skill rankings: Top 13% in Flutter
Ranked by MRR among everyone on Upwork with the skill.
- #409MERN Stack3,086 freelancers · 🇮🇳 #157Top 13%🇮🇳#157 of 1,050
- #411Kotlin3,021 freelancers · 🇮🇳 #144Top 14%🇮🇳#144 of 1,034
- #438GraphQL3,403 freelancers · 🇮🇳 #119Top 13%🇮🇳#119 of 813
- #495Swift3,634 freelancers · 🇮🇳 #174Top 14%🇮🇳#174 of 1,276
- #510Chatbot Development3,106 freelancers · 🇮🇳 #90Top 16%🇮🇳#90 of 554
- #797LangChain3,821 freelancers · 🇮🇳 #176Top 21%🇮🇳#176 of 849
- #876Retrieval Augmented Generation3,618 freelancers · 🇮🇳 #190Top 24%🇮🇳#190 of 801
- #907Firebase6,978 freelancers · 🇮🇳 #235Top 13%🇮🇳#235 of 1,827