Open to Frontend / Mobile roles

Senior Engineer · 5+ Years

Krunal Patel

I build mobile apps that ship to production and stay there. Real compliance, real money, real scale - 30+ apps across FinTech, Crypto, EdTech & Healthcare reaching 10M+ users.

View My Work Let's Talk
React Native 10M+ Users 30+ Apps
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Years Exp
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Apps Shipped
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Users Reached
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Companies
Krunal Patel - Senior React Native & Frontend Engineer
React Native
10M+ Users
30+ Apps

About Me

Building apps that
millions love

I don't just build features - I own outcomes. 5+ years engineering production apps that real people depend on, across FinTech regulations, crypto complexity, EdTech scale, and healthcare workflows.

Led engineering at Upsquare Technologies. Built investment platforms processing live NSE transactions, architected crypto wallets with multilingual KYC, and cut release cycles by 50% with CI/CD while growing the team.

30+
Production Apps
10M+
Users Reached
+30%
Conversion Uplift
-50%
Release Cycle

Domain Expertise

Industries I've Shipped For

Real production experience across high-stakes, regulated domains.

💰 FinTech ₿ Crypto / Web3 📚 EdTech 🏥 Healthcare 🚚 Logistics 🎉 Events

Education

B.E. Computer Engineering
Gujarat Technological University · 2021
CGPA: 8.40

Languages

Gujarati (Native) Hindi (Pro) English (Pro)

Technical Skills

My Toolkit

Battle-tested across mobile, web, backend, and DevOps - used in real production at scale.

Mobile & Frontend
Core specialisation · 5 years daily
React Native TypeScript React.js Redux / Zustand Expo / EAS React Navigation Reanimated 2 HTML5 / CSS3 Styled Components
Native & Platform
Platform-level expertise
Android / Kotlin Java / Android Studio Native Modules (RN ↔ Native) iOS / Swift (basics) WebRTC Google Maps SDK OneSignal AppsFlyer Voice SDK
Backend & APIs
Full-stack capable
Firebase Node.js / REST APIs GraphQL NSE API KYC APIs Payment APIs Stripe WebSocket
DevOps & Quality
Ship fast, break less
GitHub Actions Fastlane Jest Detox (E2E) Firebase Crashlytics TDD Git / GitLab Agile / Scrum System Design Perf Optimisation Code Review Mentoring

Work Experience

Career Journey

Results-focused engineering across 3 companies, 5+ years of increasing impact.

Senior React Native Developer
Upsquare Technologies, Ahmedabad
Aug 2022 – Present
Led Mayaa Money (50K+ downloads) - full SIP/FD/Gold investment + NSE KYC onboarding → +30% fintech conversion
Built crypto apps Moleculus, BeambitX, eShe Pay with multi-currency wallets, multilingual KYC, real-time blockchain feeds
Engineered Route Planner with Dijkstra's algorithm → -40% delivery ETA
Built Healthcare CRM in React.js for patient & hospital workflow automation
Mentored juniors & set up Fastlane + GitHub Actions CI/CD → -50% release cycle time
React Native CLITypeScriptRedux-SagaGraphQLFastlaneReact.jsKYC APIs
React Native Developer
Whitelotus Corporation Pvt Ltd
Nov 2021 – Jul 2022
Built AuditIT finance compliance app → -40% manual compliance effort
Delivered WhateverIT Event App handling 100K+ concurrent users - discovery, social & real-time notifications
Created CleanMuv dual logistics apps (sender + driver) with live tracking, Stripe payments & proof-of-delivery
React NativeTypeScriptGoogle Maps SDKStripeFirebaseOneSignal
Android & React Native Developer
Marck IT Analytics Pvt Ltd
Mar 2021 – Oct 2021
Contributed to Byju's - payment integrations & performance optimisations for millions of daily users
Built WhiteHat Jr Live Classes platform → scaled to 100K+ daily sessions, collaborated with IIT engineers
Agile sprints, CI/CD pipelines, Android native features in Java/Kotlin
React NativeAndroid StudioJava / KotlinGoogle AnalyticsXcode

Featured Work

Case Studies

Every project: a real problem, a thoughtful solution, measurable impact.

📚
Byju's Learning App
EdTech · Millions of Users
Challenge
Payment failures & render bottlenecks degrading experience for millions of students during live sessions.
Solution
Rebuilt payment layer, optimised JS thread & reduced blocking - improving checkout reliability significantly.
Millions of Users Faster Load
React NativeJavaKotlinCI/CD
GitHub Profile
🎓
WhiteHat Jr Live Classes
EdTech · 100K+ Daily Sessions
Challenge
Real-time coding education platform handling 100K+ simultaneous student sessions with zero-lag video.
Solution
WebRTC live classes with adaptive quality, collaborative code editor & push notification scheduling.
100K+ Sessions/Day
React NativeWebRTCFirebaseNode.js
GitHub Profile
💰
Mayaa Money
FinTech · Investment Platform
Challenge
Simplify SIP/FD/Gold investment flows for retail investors with full regulatory compliance - NSE registration, KYC & document verification.
Solution
End-to-end onboarding with real-time KYC, SIP/one-time investment modes & secure financial transaction management.
50K+ Downloads +30% Conversion
React NativeTypeScriptRedux-SagaKYC APIsNSE API
GitHub Profile
₿
Moleculus & BeambitX
Crypto · Multi-Currency Wallets
Challenge
Secure crypto wallets with multi-currency support, multilingual KYC onboarding & real-time blockchain monitoring.
Solution
Encrypted key storage, biometric auth, multilingual KYC flows (5 languages) & WebSocket transaction feeds.
Bank-Grade Security 5 Languages
React NativeTypeScriptGraphQLWebSocketBiometrics
GitHub Profile
🗺️
Route Planner
Logistics · Delivery Optimisation
Challenge
Delivery agents losing significant time to suboptimal routing - manual planning couldn't account for real-time traffic.
Solution
Dijkstra's shortest-path algorithm integrated with Google Maps real-time traffic for optimal multi-stop routing.
-40% Delivery ETA
React NativeGoogle Maps SDKDijkstra's Algo
GitHub Profile
🚚
CleanMuv Logistics
Logistics · On-Demand Platform
Challenge
Two-sided logistics marketplace needing real-time tracking, payments, and proof-of-delivery for both sender & driver.
Solution
Dual-app architecture with live location, Stripe payments, photo proof-of-delivery & OneSignal notifications.
Live Tracking PoD Verified
React NativeFirebaseStripeGoogle Maps
GitHub Profile
🏥
Healthcare CRM
Healthcare · Workflow Automation
Challenge
Hospitals managing patient workflows with spreadsheets - scheduling, records & inter-department coordination causing delays.
Solution
Full React.js CRM with patient intake, appointment scheduling, medical records & department dashboards.
Streamlined Ops
React.jsTypeScriptREST APIsRedux
GitHub Profile
📊
AuditIT
FinTech · Compliance & Audit
Challenge
Manual financial audit processes were slow, error-prone & non-compliant with evolving regulations.
Solution
Automated audit platform with digital workflows, evidence collection, compliance checklists & audit trail generation.
-40% Compliance Effort
React NativeTypeScriptFirebase
GitHub Profile
🎉
WhateverIT Event App
Events · Social Discovery
Challenge
Event discovery platform crashing under viral spikes - 100K+ concurrent users during major events.
Solution
Optimised FlatList rendering, Firebase real-time sync & efficient media loading to handle massive concurrency.
100K+ Concurrent 1M+ Downloads
React NativeFirebaseOneSignalGoogle Maps
GitHub Profile

Impact & Numbers

Engineering Impact

Every line of code is meant to move a metric that matters.

📱0+
Production Apps Shipped
👥0M+
Total Users Reached
📈0%
FinTech Conversion Uplift
⚡0%
Release Cycle Reduction
🚀0%
Delivery ETA Improvement
🏗️0+
Years of Experience
🎯0K+
Mayaa Money Downloads
✅0%
Compliance Effort Saved

Get In Touch

Let's build something
great together

Open to senior frontend/mobile engineering roles, consulting & collaboration. Based in Ahmedabad, open to remote.

Emailkrunal.frontend@gmail.com
Phone+91 97261 88922
LocationAhmedabad, India · Open to Remote
LinkedInlinkedin.com/in/krunal-patel
GitHubgithub.com/KP-MobileTechie
Send a Message