Senior Application Engineer | Flutter Developer

Appu M ships production-grade mobile apps, real-time IoT dashboards, and scalable backend systems.

Senior Application Engineer with ~3 years of delivery across Flutter, Python, SQL, and realtime systems. I build reliable apps, optimize backend workflows, and integrate embedded devices using RS-485, MQTT, ESP32, and SIMCOM modules.

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3+ years Experience

4+ live apps Mobile Releases

3+ dashboards Web Products

Currently

Senior Application Engineer

Herin Electronics

Flutter Dart Python SQL Backend Architecture

Delivery Focus Mobile + Backend

Preferred Stack Flutter · Python

Availability Open to collaboration

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+91 8861357375 appua0126@gmail.com

3+ years

Engineering delivery across mobile and web.

4+ apps

Live products with stable release cycles.

3+ dashboards

Operational visibility for teams.

Full-stack

From UI to backend architecture.

Highlights

Key outcomes across mobile, web, and backend architecture.

Product velocity

Delivered 4+ live mobile apps with measurable performance and stability gains.

Scalable systems

Designed backend architecture that keeps services responsive as usage grows.

Analytics-ready

Built 3+ data dashboards that help teams track KPIs in real time.

Technical Skills

Focused capabilities across mobile, backend, architecture, and IoT systems.

Mobile Development

Flutter, Dart, Android/iOS deployment, deep linking, push notifications.

Play StoreApp StoreResponsive UIPerformance

Backend & Cloud

REST APIs, Python, SQL, Firebase, AWS (EC2/S3), Ubuntu servers.

JSONPostmanWebSocketsMonitoring

IoT & Hardware

RS-485/Modbus, TCP/IP, MQTT, CAN protocol, PLC, SIMCOM A7672S.

ESP32ArduinoESP-IDFMicroPython

Featured Projects

Real-world builds across mobile, backend, and IoT platforms.

FleetTrack Pro

Public

Fleet tracking with hardware integration, subscriptions, payments, alerts, and live routing.

Role: Mobile + IoT lead Outcome: Real-time dispatching

HEIoT Dashboard

HEIoT Real-Time Dashboard

Private

WebSocket-driven IoT platform with charts, alerts, PDF reports, and scheduled emails.

Role: Backend + data Outcome: Reduced latency

Streaming App

Cross-Platform Streaming App

Public

BLoC architecture, REST APIs, deep linking, gestures, push notifications.

Role: Flutter lead Outcome: 5,000+ installs

Metrology Suite

Metrology Calibration Suite

Private

Real-time measurement with GUI/CLI and automated Excel reporting.

Role: Full-stack Outcome: 30% faster reports

View full project list

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