Professional Experience

Platform Migration

Successfully migrated cloud IoT platform with 55,000+ active devices from Xively to GCP with zero downtime, reducing infrastructure costs by 50% and latency by 40% while maintaining 99.999% uptime

Architecture

Designed end-to-end IoT platform for smart electrical devices handling 100+ events/second with secure device communication protocols

Cloud Infrastructure

Built service oriented architecture on GCP using Kubernetes, Cloud Functions, Redis, PubSub, Cloud SQL (PostgreSQL) for optimal scalability and resilience

Frontend Development

Developed React/Redux admin dashboards with dynamic visualizations for IoT device network monitoring and management

Backend Development

Created high-performance REST APIs and event-driven services using Node.js/TypeScript with comprehensive documentation, diagramming, and testing

Voice Integration

Engineered and certified Google Assistant and Alexa voice control systems, expanding product ecosystem compatibility

Code Efficiency

Created reusable, unit tested TypeScript/Node.js libraries containing common functionality, reducing development time by more than 50%

DevOps

Setup automated CI/CD pipelines with Docker, Google Cloud Build, GitHub Actions, Container Registry, Kubernetes for seamless multi-environment deployments

Knowledge Transfer

Documented the entire system architecture and conducted comprehensive knowledge sharing sessions covering system components and business processes to facilitate seamless transition

Solution Design

Diagrammed and documented solutions, interfaces, and test cases thoroughly before implementation, leading to high-quality, well-designed components

System Modernization

Proactively planned system improvements by selecting and collaborating with a third-party software company to develop a scalable system capable of handling millions of devices, telemetry data, analytics, and insights

Platform Evaluation

Experienced in evaluating software tools and platforms to select optimal solutions for specific use cases

Alexa Integration

Alexa smart home voice control integration with the Zimi smart devices

3rd Party API

Design, document and develop API for 3rd party integrations for device information retrieval, device control and status change events with user authorization based security

Firmware Update CDN

IoT device firmware update CDN service for memory limited devices needing OTA with self signed Certificate Authority and Certificate management system

Initial Platform Development

Initially developed product functionality based on Xively IoT platform with REST API for apps and admin dashboard

Cloud Migration to GCP

Successfully migrated the entire live cloud backend from Xively to Google Cloud Platform with zero downtime

Microservices Architecture

Designed and developed new cloud services using microservices based architecture considering scalability, low latency, security, maintainability and traceability

Voice Control Integration

Integrated and certified voice control of devices using Google assistant and later Alexa

Cost & Performance Optimization

Infrastructure cost reduced by more than 50%. Latency decreased considerably. Reliability increased.

Leadership

Directed development of 5 new simulation products used by military training organizations

Team Management

Led cross-functional teams (10 engineers, 5 QA specialists) in delivering complex software projects

Complex Delivery

Successfully implemented challenging screen capture and real-time streaming features, overcoming significant R&D obstacles

Simulation Development

Built core components for military training simulation products using C++

Scenario Engine

Implemented Insurgent Pattern of Life Simulation for VBS2 Game engine scenarios

Open Source

Developed web software for human rights violations recording using PHP and MySQL

SaaS Implementation

Designed 'OpenEvSys' as a secure multi-tenant platform with international hosting options