Contract Mobile App Engineer in Austin
Contract Mobile App Engineer — Sachin Sharma offers enterprise-grade and commitment-ready delivery from Austin.
There are 10 lakh+ agencies, 5 crore+ "vibe coders," and 1 crore+ developers out there — and somehow you ended up on this page. That's not an accident, that's a genuine signal. I'm 21, and if you're on my website right now, you're already looking at someone better than most of what's out there. I'd genuinely prefer to talk to you directly rather than have you read through another page. Please feel free to call, message, or email — whichever works best for you.
Or just call +91 88269 14313 directly — I pick up my own calls, no assistant in between.Who is Sachin Sharma?
Sachin Sharma is a Software Developer and Mobile Engineer based in Delhi, India. He specializes in Mobile App development and has built production-grade apps — Loopin, Legease, and Aashwasan — designed for optimal user experience and reliable performance.
Currently a developer at ESPO (promoted from intern to full developer within 60 days), with prior experience at Kushal Aide. He holds a B.Tech in Computer Science from Maharaja Agrasen Institute of Technology (MAIT) with a 9.08 CGPA.
A Hackathon Finalist × 3 (Code Kshetra 2.0, Level Supermind, DTU Brainwave), Sachin combines deep Mobile App technical expertise with a product-first engineering mindset — building things users actually want, not just technically impressive demos.
Read Sachin Sharma's full backgroundExperience
1.5+ years
App Quality
Production-Grade
GitHub
800+ Contributions
CGPA
9.08 / 10
Hackathons
Finalist × 3
Location
Austin
Mobile App Technical Expertise
Architects mobile applications using Flutter (primary) and React Native (secondary), targeting both iOS and Android from a single codebase without sacrificing native-feel UX. Implements platform-adaptive widgets (Material on Android, Cupertino on iOS), native haptics, push notification deeplinks, biometric authentication, camera/gallery access, and real-time data sync via Firebase or custom REST APIs. Applies offline-first data strategies with local databases (Hive, SQLite, MMKV) and conflict-resolution sync algorithms for reliable user experiences in low-connectivity environments common across India and emerging markets.
Austin Market Context
Austin's 'Silicon Hills' — a powerhouse for software engineering, enterprise SaaS, and hardware tech startups.
IST is 10.5 hours ahead of CST — convenient morning-evening alignment for daily handoff syncs.
Why Hire for Mobile App?
- 5 published mobile apps on iOS App Store and Google Play Store with combined production-grade installations and highly performant ratings.
- Mobile development skill: 95/100 for Flutter, 88/100 for React Native — highest-rated skills in entire tech stack.
- Deep knowledge of both iOS Human Interface Guidelines (HIG) and Android Material Design 3 (Material You).
- Offline-first mobile architecture: apps work on the Delhi Metro with zero network signal — a critical UX differentiator.
- Push notifications, deeplinks, biometric auth, camera, location — all native mobile integrations shipped in production apps.
- 1.5+ years professional mobile development at ESPO and freelance — promoted to full developer role within 60 days.
- Hackathon Finalist × 3 — all projects included mobile app components for iOS and Android.
- MAIT B.Tech CST, 9.08 CGPA — strong engineering fundamentals applied to mobile performance optimization.
Mobile App Projects Shipped
Real production apps — not demos, not tutorials. Used by real users.
Loopin — RPG Habit Tracker
ShippedOffline-first with Google Drive sync, custom Canvas RPG UI
Tech Stack:
Flutter, Dart, Hive, Google Drive API, Custom Canvas, MVVM
Legease — AI Legal Assistant
ShippedAI PDF analysis, cross-platform (iOS/Android/Web/Desktop)
Tech Stack:
Flutter, Dart, AI/ML, PDF Processing, End-to-End Encryption
Aashwasan — Gig Platform
ShippedGig contract management with real-time push notifications
Tech Stack:
Flutter, Firebase, Provider, Dio, Push Notifications
How Mobile App Development Works
A structured, transparent process from kickoff to App Store — no black boxes.
Requirements & UX
User flow mapping, wireframes in Figma, platform-adaptive UX decisions (iOS vs Android conventions), offline behavior planning.
Architecture Selection
Flutter vs React Native decision, state management (Bloc/Riverpod vs Redux/Zustand), local storage strategy (Hive vs SQLite vs MMKV).
Core Development
Feature-first folder structure, reusable widget/component library, platform channels for native integrations, error boundary setup.
Testing & QA
Unit tests, widget tests, integration tests on real devices (not just simulators) — iPhone 11 and Redmi 9 for edge case performance.
Store Submission
App Store Connect + Play Console listing, screenshots, ASO keyword research, metadata optimization and build distribution assets.
Mobile App in Austin — What Most Devs Miss
India's mobile-first market means Austin-based businesses lose customers when their app doesn't work on 2G — offline-first architecture isn't a nice-to-have, it's a revenue requirement.
App Store Optimization (ASO) drives application discovery for mobile products — most developers ignore this, but a well-optimized listing can triple user discovery and engagement rates.
Flutter 3.x's support for iOS, Android, Web, Desktop, and Embedded from one codebase means a ${location} startup can launch on all 5 platforms simultaneously — a competitive advantage that was impossible before 2021.
Sachin Sharma vs. Alternatives
| Alternative | Why Sachin Sharma Instead |
|---|---|
| Large Development Agencies | You talk to me, not an account manager relaying your feedback through three people. When you say "change this," I'm the one changing it — same day, not next sprint. |
| Junior Freelancers | I've shipped real Mobile App apps to real users — production-grade installations, not tutorial projects. You're not paying to be someone's first attempt. |
| Offshore Development Factories | I care about why we're building a feature, not just checking a ticket off a list. Every Mobile App decision gets real product thinking, because it's my name on the work too. |
Proof Points
- Loopin — a Flutter habit tracker that users call 'the only app that actually made me consistent'.
- Legease — AI legal platform shipping on iOS, Android, Web, and Desktop simultaneously from one Flutter codebase.
- Aashwasan — gig economy app with contract management, real-time tracking, and push notifications.
- Wallly — 4K wallpaper app with smart caching, infinite scroll, and one-click system wallpaper application.
- Every app ships with automated CI/CD via GitHub Actions to both App Store (TestFlight) and Play Store (Internal Track).
Education
Maharaja Agrasen Institute of Technology
B.Tech in Computer Science and Technology
CGPA: 9.08/10
Ambedkar DSEU, Shakarpur Campus
Diploma in Computer Science and Engineering
CGPA: 9.22/10
Hackathon Recognition
Code Kshetra 2.0
February 2025
Level Supermind Hackathon
January 2025
DTU Brainwave Hackathon
September 2024
Frequently Asked Questions
Who is Sachin Sharma?
Sachin Sharma is a Software Developer and Mobile Engineer based in Delhi, India. He specializes in Mobile App development and has built multiple production-grade applications including Loopin, Legease, and Aashwasan. He has 1.5+ years of professional experience, a B.Tech in Computer Science from MAIT with a 9.08 CGPA, and is currently freelancing full-stack for a ₹150 Cr+ revenue business conglomerate after previously working as a developer at ESPO.
Is Sachin Sharma available for Mobile App Engineer work in Austin?
Yes. Sachin Sharma is currently available for contract Mobile App Engineer opportunities in Austin. Austin clients get end-of-day handoffs every evening — work progresses while your team is off-hours. He works both remotely and on-site for Delhi NCR clients.
Why should I hire a Mobile App Engineer from Austin?
Austin's 'Silicon Hills' — a powerhouse for software engineering, enterprise SaaS, and hardware tech startups. Hiring Sachin Sharma — a specialized Mobile App Engineer from Austin — gives you world-class engineering talent, ist is 10.5 hours ahead of cst — convenient morning-evening alignment for daily handoff syncs., and zero agency overhead. You communicate directly with the engineer building your product.
What makes Sachin Sharma's Mobile App development process unique?
Sachin's process integrates product thinking at every technical decision. The Mobile App process starts with requirements & ux (User flow mapping, wireframes in Figma, platform-adaptive UX decisions (iOS vs A...), ensuring the architecture fits the product before writing a single line of code.
What Mobile App projects has Sachin Sharma shipped?
Sachin has shipped Loopin — RPG Habit Tracker, Legease — AI Legal Assistant, Aashwasan — Gig Platform. Loopin — RPG Habit Tracker achieved Offline-first with Google Drive sync, custom Canvas RPG UI — a production result, not a demo.
Do you provide post-launch support for Mobile App apps?
Absolutely. Post-launch support includes comprehensive documentation, automated test coverage handoff, and arranged maintenance agreements. Every Mobile App project delivered includes a technical handoff session covering architecture decisions, deployment procedures, and monitoring setup.
Are you available for remote Mobile App roles outside of Austin?
Yes. While based in Austin, Sachin Sharma operates async-first with global clients. IST is 10.5 hours ahead of CST — convenient morning-evening alignment for daily handoff syncs. Remote Mobile App delivery has been proven with multiple international clients across different time zones.
How does Sachin Sharma compare to a Mobile App development agency?
Unlike agencies, Sachin provides direct senior-engineer communication — zero account managers, zero relay game. Every decision is made by the same engineer who writes the code. For Mobile App projects, this means faster decisions, architectural ownership, and no "lost in translation" bugs.