SYS.NALIN
LIVE
nalin@mobile: ~
Nalin Sakthivel

NALIN.SAKTHIVEL

Mobile Application Developer

REACT_NATIVE FLUTTER KOTLIN

Chennai, Tamil Nadu+91 94444 85885

$ whoami

Mobile engineer building offline-first, GPS-enabled apps at government scale — Aadhaar eKYC, hardware integrations, and field workflows for 50,000+ users across all 38 districts of Tamil Nadu.

$ status

open_for_work

4+
YRS_EXP
10+
APPS_SHIPPED
50K+
DAILY_USERS
98%
CRASH_CUT

TECH_STACK

React Native
JavaScriptTypeScriptRedux ToolkitZustandTanStack QueryReact Hook FormContext API
Flutter & Android
FlutterDartRiverpodGoRouterDioKotlinRetrofitCoroutinesMVVMClean ArchitectureAndroid SDK
Mobile Features
Aadhaar eKYCGPS TrackingLeaflet MapsVision CameraPush NotificationsTVS Printer
Storage & State
RealmMMKVSQLiteMongoDBAsyncStorageOffline-First
Backend & APIs
REST APIsNode.jsSocket.ioFirebase ServicesReal-time SyncAuthentication
Tools & DevOps
GitHub ActionsFastlaneJenkinsCrashlyticsJestMochaGit

CORE_EXPERTISE

OFFLINE-FIRST ARCHITECTURE

Expert in building resilient apps that work seamlessly without internet using local databases like Realm, MMKV, and robust sync engines.

SCALABLE SYSTEM DESIGN

Architecting large-scale applications with Clean Architecture, SOLID principles, and modular codebases for long-term maintainability.

HIGH PERFORMANCE

Optimizing for 60fps animations, efficient memory usage, and native module integration to deliver a premium user experience.

SERVICES

CROSS-PLATFORM APP DEVELOPMENT

Production React Native and Flutter apps from a single codebase — Android, iOS, and web.

NATIVE ANDROID DEVELOPMENT

Kotlin, MVVM, Coroutines, Retrofit — native modules and full apps on the Android SDK.

API INTEGRATION

REST APIs, Firebase services, real-time sync, and secure authentication flows — including Aadhaar eKYC and encrypted payloads.

APP PERFORMANCE OPTIMIZATION

Crash-rate reduction, 60fps rendering, memory profiling, and offline-first data layers with Realm and MMKV.

UI IMPLEMENTATION

Pixel-accurate builds from design handoff — animations, gestures, and platform-consistent components.

DEPLOYED_SYSTEMS

01

TNCSC End-to-End Computerisation

Android / iOS

Statewide stock management system for the Tamil Nadu Civil Supplies Corporation serving 50,000+ users — enables farmers to register, book tokens for DPC centers, track grain submissions, view quality reports, and raise complaints.

  • Integrated Aadhaar eKYC (OTP, Face, Fingerprint, Iris) with UIDAI-compliant flows — biometric beneficiary verification for 1000 DPC
  • Implemented token booking workflows used by thousands of farmers
  • Integrated TVS thermal printer SDK for automated field-level receipt generation
  • Cut app crash rate by 98% with Firebase Crashlytics and performance optimization
React NativeTypeScriptMMKVTanStack QueryZustandNative Android SDKKotlinRetrofitTVS Printer SDKUIDAI Aadhaar eKYCFirebaseLeaflet Maps
02

Amudhasurabhi & CM Breakfast Scheme

Android

GPS-enabled delivery tracking for school meal logistics — monitors live dispatch routes for the CM Breakfast Scheme and Amudhasurabhi meal delivery across districts.

  • Delivered ahead of schedule — won Xen Spark Award 2025
  • GPS-verified delivery tracking now covers 1,15,640 schools statewide
  • Achieved 95%+ push notification delivery rate via Firebase Cloud Messaging
  • Implemented offline-first sync for uninterrupted field operations
React NativeRealmGPSFirebaseReact Hook FormOffline SyncReduxLeaflet Maps
03

TNSDC – TNSKILL Skill Wallet

Android / iOS / Web

Government digital credential platform for Tamil Nadu Skill Development Corporation — candidates access, manage, and share verified skill certificates. Cross-platform with Tamil/English localisation.

  • Government-grade digital credential platform for TNSDC
  • Cross-platform delivery across Android, iOS, and web with full Tamil/English localisation
  • Built entirely in Flutter — first Flutter project shipped to production
FlutterDartGoRouterFirebaseSharedPreferencesREST APIs
04

TNSDC – Assessment & Mark Entry

Android / iOS

Multi-role (Assessor / DSO / AD-DSTO) skill certification platform with Aadhaar eKYC-based candidate verification, digitised mark entry, batch management, and geofenced pre-inspection flows enforcing 500m proximity before assessments begin.

  • Multi-role auth architecture spanning Assessor, DSO, and AD-DSTO roles
  • Geofenced pre-inspection flow enforcing 500m proximity before assessments begin
  • AES-encrypted API payloads for secure candidate data handling
FlutterDartRiverpodGoRouterClean ArchitectureDioFirebaseAES EncryptionGPS / GeofencingSharedPreferences
05

TNSDC – NM Inspection

Android / iOS

Field inspection app for National Minimum standards monitoring — multi-section inspection forms with geo-tagged photo capture, GPS watermarking, geofencing, and offline-capable architecture. Currently in active development.

  • Multi-section inspection forms with geo-tagged photo capture and GPS watermarking
  • Offline-capable architecture for field inspections in low-connectivity areas
FlutterDartRiverpodGoRouterClean ArchitectureFirebaseGPSGeo-tagged Camera
06

ICDS Monitoring App

Android

Anganwadi centre and beneficiary monitoring with full offline capability for rural field workers.

React NativeRealmOffline SyncFirebaseRedux
07

KCBT Mobile App

Android / iOS

Public bus navigation and grievance management for the Kongu region transport authority — provides route tracking, complaint submissions, and real-time updates for drivers and passengers.

  • Reduced manual complaint resolution time from days to hours
  • Implemented real-time navigation and route tracking modules
  • Built offline caching for consistent usage during travel
React NativeFirebaseRedux Toolkit
08

Mid-day Meal Inspection

Android

Digitised school meal inspections, replacing paper-based workflows for field officers across Tamil Nadu.

  • Digitized workflows, reducing inspection time by ~50%
React NativeRealmReact Hook FormFirebase
09

Namma Grama Sabhai

Android

Village meeting tracking application, part of the Tamil Nadu Government Apps Suite — used by citizens and field officers across all districts of Tamil Nadu.

React NativeKotlinFirebaseRealmMMKVREST APIs
10

Srii BJ Jewels – B2B Order Tracking App

Android / iOS

B2B order tracking and inventory management system for a jewellery retail chain — enables wholesalers and retailers to place orders, track purchase status, and manage inventory with a transparent workflow.

React NativeRedux ToolkitFirebase

EXPERIENCE_LOG

  1. SOFTWARE ENGINEER

    @Xenovex Technologies PVT LTD, Chennai

    2023 — PRESENT
    • Built and shipped 6+ large-scale government mobile apps (TNCSC, CM Breakfast Scheme, ICDS, TNSDC Skill Wallet) used daily by 50,000+ field officers and candidates across all 38 districts of Tamil Nadu.
    • Architected 3 production Flutter apps for TNSDC using Clean Architecture + Riverpod — multi-role auth, geo-tagged photo capture with GPS watermarking, geofenced inspections, and AES-encrypted API payloads.
    • Cut app crash rate by 98% using Firebase Crashlytics and performance optimization.
  2. ASSOCIATE SOFTWARE ENGINEER

    @Techno Tackle Software Solutions, Coimbatore

    2021 — 2023
    • Developed and maintained commercial Android/iOS apps end-to-end in React Native across retail, transport, and B2B sectors.
    • Implemented REST API integrations, Redux state management, and push notification systems across client projects.
    • Earned the Top Gun Award (2023) for performance.

EDUCATION

2018 — 2021

B.Sc. Computer System and Design

Kongu Engineering College

Graduated with a CGPA of 8.08. Gained strong fundamentals in software engineering, system design, and mobile application development.

ACHIEVEMENTS

XEN SPARK AWARD

Xenovex Technologies · 2025

Recognized for delivering the CM Breakfast Scheme project ahead of schedule and under budget.

MOST VALUABLE TEAM PLAYER

Xenovex Technologies · 2026

Recognized for exceptional collaboration and technical leadership in delivering the TNCSC end-to-end computerisation project

TOP GUN AWARD

Techno Tackle · 2023

Awarded for outstanding performance and technical contributions in the first two years.

GET_IN_TOUCH

OPEN_FOR_WORK