I am an accomplished Software Engineer and Data Engineer with over 8 years of experience designing and deploying scalable IoT systems, REST APIs, and GraphQL applications. I specialize in using Node.js, TypeScript, Python, and AWS to build secure, high-performance systems involving MQTT, WebSockets, and diverse databases like MySQL, MongoDB, and PostgreSQL. I am passionate about optimizing cloud infrastructure and implementing CI/CD pipelines to ensure seamless deployments. Throughout my career, I have designed IoT cloud systems controlling GPIO devices and RF transmitters, developed GraphQL applications with enhanced security features such as JWT and Auth0, and handled data migration and infrastructure management using Cloudflare and AWS services. I am eager to contribute my expertise to innovative software solutions in a collaborative environment.

Walter Thekkekara Adbe

I am an accomplished Software Engineer and Data Engineer with over 8 years of experience designing and deploying scalable IoT systems, REST APIs, and GraphQL applications. I specialize in using Node.js, TypeScript, Python, and AWS to build secure, high-performance systems involving MQTT, WebSockets, and diverse databases like MySQL, MongoDB, and PostgreSQL. I am passionate about optimizing cloud infrastructure and implementing CI/CD pipelines to ensure seamless deployments. Throughout my career, I have designed IoT cloud systems controlling GPIO devices and RF transmitters, developed GraphQL applications with enhanced security features such as JWT and Auth0, and handled data migration and infrastructure management using Cloudflare and AWS services. I am eager to contribute my expertise to innovative software solutions in a collaborative environment.

Available to hire

I am an accomplished Software Engineer and Data Engineer with over 8 years of experience designing and deploying scalable IoT systems, REST APIs, and GraphQL applications. I specialize in using Node.js, TypeScript, Python, and AWS to build secure, high-performance systems involving MQTT, WebSockets, and diverse databases like MySQL, MongoDB, and PostgreSQL. I am passionate about optimizing cloud infrastructure and implementing CI/CD pipelines to ensure seamless deployments.

Throughout my career, I have designed IoT cloud systems controlling GPIO devices and RF transmitters, developed GraphQL applications with enhanced security features such as JWT and Auth0, and handled data migration and infrastructure management using Cloudflare and AWS services. I am eager to contribute my expertise to innovative software solutions in a collaborative environment.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Work Experience

Software Engineer / Data Engineer at Rimot/Bluegrid
August 1, 2018 - Present
Designed and developed scalable IoT cloud systems controlling GPIO devices and RF transmitters with Node.js, MQTT, WebSockets, and Pusher API integrated with MySQL, MongoDB, and PostgreSQL. Built REST APIs with JWT-based authentication and bcrypt hashing for secure real-time data updates and CRUD operations. Adapted IoT systems for rapid deployment during COVID-19 health screening. Recorded and analyzed RF transmitter data with real-time alerts via AWS SES and Twilio SMS. Developed the Bluegrid Core System using GraphQL, TypeScript, Python, Docker, and AWS services. Enhanced security using Auth0 for SSO, custom email notifications, and user management. Created reusable libraries to improve development efficiency by 20%. Optimized AWS infrastructure, reducing costs by 15%. Implemented CI/CD pipelines with Bitbucket, tested with Jest, UnitTest, and PyTest. Simulated virtual charging stations and developed OCPP 1.6 central system for bidirectional charging integrated with Python, AWS RDS,

Education

Master of Applied Computer Science at Dalhousie University
January 11, 2030 - August 1, 2017
Master of Computer Applications at Sri Krishna College of Technology
January 11, 2030 - May 1, 2012
Bachelor of Computer Science at Sri Krishna College of Arts and Science
January 11, 2030 - May 1, 2009

Qualifications

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Industry Experience

Software & Internet, Energy & Utilities, Healthcare