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Hi, I’m Rajarupan Sampanthan, a software developer with a strong background in cloud, backend systems, and IoT research. I enjoy building scalable services, designing robust architectures, and shipping features that users rely on. I have broad experience across startups, enterprise teams, and academic labs in Toronto and the Greater Toronto Area, including Phonologics and SOTI. I love collaborating with cross-functional teams, prototyping with modern stacks, and continually learning new technologies.…Hi, I’m Rajarupan Sampanthan, a software developer with a strong background in cloud, backend systems, and IoT research. I enjoy building scalable services, designing robust architectures, and shipping features that users rely on. I have broad experience across startups, enterprise teams, and academic labs in Toronto and the Greater Toronto Area, including Phonologics and SOTI. I love collaborating with cross-functional teams, prototyping with modern stacks, and continually learning new technologies.

Rajarupan Sampanthan

Web Developer, Programmer, Full Stack Developer, +2

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Hi, I’m Rajarupan Sampanthan, a software developer with a strong background in cloud, backend systems, and IoT research. I enjoy building scalable services, designing robust architectures, and shipping features that users rely on. I have broad experience across startups, enterprise teams, and academic labs in Toronto and the Greater Toronto Area, including Phonologics and SOTI. I love collaborating with cross-functional teams, prototyping with modern stacks, and continually learning new technologies.…Hi, I’m Rajarupan Sampanthan, a software developer with a strong background in cloud, backend systems, and IoT research. I enjoy building scalable services, designing robust architectures, and shipping features that users rely on. I have broad experience across startups, enterprise teams, and academic labs in Toronto and the Greater Toronto Area, including Phonologics and SOTI. I love collaborating with cross-functional teams, prototyping with modern stacks, and continually learning new technologies.

Disponible para alquilar

Toronto, Canadá

Hi, I’m Rajarupan Sampanthan, a software developer with a strong background in cloud, backend systems, and IoT research. I enjoy building scalable services, designing robust architectures, and shipping features that users rely on.

I have broad experience across startups, enterprise teams, and academic labs in Toronto and the Greater Toronto Area, including Phonologics and SOTI. I love collaborating with cross-functional teams, prototyping with modern stacks, and continually learning new technologies.

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Software Developer at Phonologics

April 1, 2025 - October 27, 2025

Created and maintained the backend service for Phonologics using FastAPI (Python), AWS and Gemini API; cleaned and created training data from diverse sources to finetune LLMs to generate decodable text for dyslexic and early readers; developed and maintained the web client (Angular) to offer a fast, user-friendly experience.

Software Developer Intern at SOTI

December 1, 2024 - December 1, 2024

Designed, implemented and maintained the vital 'Failover' feature for SOTI's VPN product to ensure high availability; contributed to the VPN codebase by implementing new functionality, improving readability and increasing test coverage; resolved various front-end (Angular) and back-end (C#) issues and performed code reviews across different repositories; designed and improved REST API interfaces to enable efficient frontend-backend communication.

Research Assistant at U of T Network Research Lab

August 1, 2022 - August 1, 2022

Leveraged Google Cloud products, ESP32/Arduino microcontrollers, RabbitMQ, and MQTT to create a proof-of-concept IoT application communicating via a mesh network; integrated Iridium RockBlock satellite module for remote-area connectivity; optimized message topics and serialization to reduce bandwidth by ~20%.

Design Verification Engineer at QUALCOMM

February 1, 2022 - February 1, 2022

Communicated with designers and reviewed design documents to create tests for interface block changes; augmented test ecosystem and emulators in C++ to support and test new features on Snapdragon chips; created a Python script to convert Word documents into JSON to streamline documentation migration.

Software Developer at CHAINSAFE

November 1, 2020 - November 1, 2020

Translated sections of a Golang implementation into idiomatic Rust; implemented unit tests to verify functionality and interoperability; developed Forest’s CLI (Rust) to improve developer experience and testing.

Soc Integration Engineer at AMD

August 1, 2019 - August 1, 2019

Analyzed and fixed Clock Domain Crossing issues in NAVI 10, NAVI 21, NAVI 22 projects; created scripts in Python, Perl and Bash to automate workflows and improve efficiency.

IoT Research Assistant at TMU

September 1, 2017 - September 1, 2017

Prototyped a custom hardware device to collect, display and process data for IoT applications using a breadboard, Raspberry Pi and sensors; created MySQL databases to store information from an Apache server.