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anandsubbu007/README.md

Hi 👋, I'm

Anand Alagappan




🚀 Mobile Systems Engineer • Fintech • Security • Platform Engineering



👨‍💻 About Me

name: Anand Alagappan

role:
  Senior Mobile Software Engineer

experience:
  6+ Years

specialization:
  - Flutter
  - Android
  - Mobile Architecture
  - SDK Development
  - Fintech Engineering
  - Mobile Security
  - CI/CD
  - Platform Engineering

currently_working_on:
  - Enterprise fintech mobile applications
  - Native Android SDKs
  - Secure authentication systems
  - Mobile analytics integrations
  - Monorepo architectures
  - Internal developer tooling
  - Mobile performance optimization
  - Testing infrastructure

mindset:
  - Product Ownership
  - Scalability First
  - Security Focused
  - Performance Driven
  - Developer Experience
  - AI Assisted Engineering

🧠 Engineering Mindset

I enjoy building systems that are:

Scalable Secure Maintainable Reliable Performance

What I Care About

  • Clean architecture
  • Mobile performance
  • Developer experience
  • Security-first development
  • Production reliability
  • Automation & tooling
  • Long-term maintainability
  • Scalable engineering systems

🏢 Current Role

Bread Financial — Senior Software Engineer

Currently contributing to enterprise-scale fintech mobile platforms.

Flutter Android Okta Adobe Analytics Jenkins OWASP

Key Contributions

  • 📦 Native Android SDK development
  • 🔐 Okta authentication integration
  • 📊 Adobe Analytics & Assurance setup
  • 📈 Medallia & Decibel instrumentation
  • 🧱 Monorepo migration & modularization
  • 🧹 Custom lint tooling
  • ⚙️ Jenkins CI/CD optimization
  • 🧪 Unit / Integration / UI testing
  • 🚀 Release automation & deployment pipelines
  • 🔒 Mobile security & vulnerability remediation
  • 🌐 WebView rendering SDK development
  • 👨‍🏫 Mentoring & technical leadership

📱 Product


⚡ Tech Stack

📱 Mobile Engineering

Flutter Dart Android Kotlin Java Jetpack Compose Swift


🧱 Architecture & System Design

Clean Architecture MVVM MVP SOLID Modularization Monorepo Offline First


🚀 Featured Projects

🧾 Vanigam — GST Billing Application

GST-ready billing & invoice management application for businesses.

Highlights

  • GST invoice generation
  • Inventory management
  • Sales tracking
  • Business reporting
  • Offline-first workflows

🔗 Repo: https://github.com/anandsubbu007/Vanigam-GST_Billing_App


💰 LendWise — Pawn Shop Ledger System

Modern fintech-style pawn shop ledger & lending management platform.

Highlights

  • Ledger management
  • Loan tracking
  • Interest calculation
  • Customer management
  • Financial reporting
  • Flutter architecture

🔗 Repo: https://github.com/anandsubbu007/Lendwise-Pawn_shop_ledger


🛠 Currently Building

  • Secure fintech mobile systems
  • Flutter modular architecture tooling
  • Native Android SDK integrations
  • AI-assisted developer workflows
  • Internal engineering automation

🌐 Engineering Portfolio

Personal engineering portfolio showcasing projects, architecture, and technical focus.

🔗 Portfolio: https://anandsubbu007.github.io/portfolio/


🔐 Security Engineering

OWASP SSL Pinning Okta JWT OAuth2 Secure Storage


⚙️ DevOps • Tooling • Automation

Jenkins GitHub Actions Fastlane Git Custom Lint Automation


🧪 Testing & Quality Engineering

Unit Testing Integration Testing UI Testing Code Review Static Analysis


☁️ Backend & Cloud

Spring Boot Firebase OCI REST API SQLite


🤖 AI Assisted Engineering

I actively leverage modern AI-assisted engineering workflows using:

Claude ChatGPT GitHub Copilot Ollama Cursor

AI Workflow Areas

  • Architecture exploration
  • Rapid prototyping
  • Developer productivity
  • Documentation automation
  • Refactoring assistance
  • Code generation
  • Technical research
  • Workflow acceleration

📦 Featured Engineering Domains

📱 Mobile Platform Engineering

  • Large-scale Flutter applications
  • Enterprise Android applications
  • Modular architecture systems
  • Monorepo setup & migration
  • Internal platform tooling
  • Multi-module project structures
  • Developer experience optimization
  • Mobile release engineering

🧩 SDK & Plugin Development

  • Native Android SDK development
  • Flutter plugin development
  • Internal developer tooling
  • Custom lint package development
  • WebView rendering SDKs
  • Hardware communication layers
  • Cross-platform abstractions
  • Native bridge integrations

💳 Fintech & POS Systems

  • Payment workflow systems
  • Card reader integrations
  • UPI payment integrations
  • Fraud monitoring systems
  • Offline transaction handling
  • POS hardware integrations
  • Thermal printer integrations
  • Secure financial authentication flows

🔐 Mobile Security Engineering

  • OWASP mobile practices
  • SSL pinning implementation
  • Secure authentication systems
  • Vulnerability remediation
  • Secure local storage
  • Threat modeling basics
  • API security practices
  • Mobile application hardening

📊 Analytics & Observability

Integrated:

  • Adobe Analytics
  • Adobe Assurance
  • Medallia
  • Decibel Analytics
  • Logging systems
  • Monitoring workflows
  • Event instrumentation
  • User behavior tracking

⚡ Performance & Reliability

  • App startup optimization
  • Rendering performance improvements
  • Memory optimization
  • Crash reduction initiatives
  • Dependency optimization
  • Build performance improvements
  • Scalable state management
  • Production stability improvements

📱 Published Applications

Published and maintained multiple production applications involving:

  • Fintech
  • Ecommerce
  • Utility systems
  • POS workflows
  • Business applications
  • Scalable mobile architectures

📊 GitHub Analytics


🏆 Core Focus Areas

Flutter Architecture Android Internals Fintech SDK Development Security CI/CD AI Workflows


🌍 Connect With Me



⚡ “Thinking like an attacker while building like an engineer.”

Popular repositories Loading

  1. Vanigam-GST_Billing_App Vanigam-GST_Billing_App Public

    Production GST billing & field sales platform

    2

  2. anand-work anand-work Public

    Dart 2 1

  3. Lendwise-Pawn_shop_ledger Lendwise-Pawn_shop_ledger Public

    Pawn shop ledger

    1

  4. test_assignments test_assignments Public

    Dart 1

  5. Data-Science-Projects Data-Science-Projects Public

    Jupyter Notebook

  6. Python-Workshop Python-Workshop Public

    Here i created some python files that i used in my work

    Jupyter Notebook