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I'm Isaac Marvin Sy, a full-stack developer with a strong focus on backend engineering and AI-driven systems. I design scalable, high-performance applications using Node.js, Python, and modern web technologies, prioritizing secure, privacy-conscious architectures. I enjoy transforming data into intelligent, user-centric solutions—from web scraping pipelines and analytics platforms to personalized recommendation engines. I thrive in cross-functional teams, applying DevOps practices on cloud platforms like Microsoft Azure to deliver reliable, real-time solutions.…I'm Isaac Marvin Sy, a full-stack developer with a strong focus on backend engineering and AI-driven systems. I design scalable, high-performance applications using Node.js, Python, and modern web technologies, prioritizing secure, privacy-conscious architectures. I enjoy transforming data into intelligent, user-centric solutions—from web scraping pipelines and analytics platforms to personalized recommendation engines. I thrive in cross-functional teams, applying DevOps practices on cloud platforms like Microsoft Azure to deliver reliable, real-time solutions.

Isaac Marvin Sy

Full Stack Developer, Back-End Developer, Web Developer, +2

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I'm Isaac Marvin Sy, a full-stack developer with a strong focus on backend engineering and AI-driven systems. I design scalable, high-performance applications using Node.js, Python, and modern web technologies, prioritizing secure, privacy-conscious architectures. I enjoy transforming data into intelligent, user-centric solutions—from web scraping pipelines and analytics platforms to personalized recommendation engines. I thrive in cross-functional teams, applying DevOps practices on cloud platforms like Microsoft Azure to deliver reliable, real-time solutions.…I'm Isaac Marvin Sy, a full-stack developer with a strong focus on backend engineering and AI-driven systems. I design scalable, high-performance applications using Node.js, Python, and modern web technologies, prioritizing secure, privacy-conscious architectures. I enjoy transforming data into intelligent, user-centric solutions—from web scraping pipelines and analytics platforms to personalized recommendation engines. I thrive in cross-functional teams, applying DevOps practices on cloud platforms like Microsoft Azure to deliver reliable, real-time solutions.

Available to hire

I’m Isaac Marvin Sy, a full-stack developer with a strong focus on backend engineering and AI-driven systems. I design scalable, high-performance applications using Node.js, Python, and modern web technologies, prioritizing secure, privacy-conscious architectures.

I enjoy transforming data into intelligent, user-centric solutions—from web scraping pipelines and analytics platforms to personalized recommendation engines. I thrive in cross-functional teams, applying DevOps practices on cloud platforms like Microsoft Azure to deliver reliable, real-time solutions.

Skills

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Expert

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Intermediate

Work Experience

Backend Engineer at Covertly.AI

November 1, 2024 - February 1, 2026

Designed and developed a privacy-focused AI chat platform by integrating multiple LLM APIs with a scalable backend. Implemented secure, high-performance cloud deployment on Azure, with robust error handling, rate limiting, and zero-logging/anonymization to protect user data. Built flexible API layers to support dynamic model switching and multi-provider orchestration, enabling real-time chat interactions with low latency.

Backend Developer at Wantable

March 1, 2021 - August 1, 2024

Built AI-driven personalization and matching systems to enhance user recommendations and engagement. Developed scoring models, designed backend services to process inputs, built scalable APIs for dynamic personalization workflows, and optimized data pipelines for large datasets.

Full-stack Developer at TrendingCustom

April 1, 2018 - February 1, 2021

Developed full-stack MERN applications, led backend development, implemented dynamic product customization workflows, and optimized database performance. Integrated third-party services and collaborated with frontend teams to ensure seamless UI/UX and real-time updates.

Data Engineer at 3CG CAMEL LLC

March 1, 2017 - February 1, 2018

Engineered data scraping and analytics pipelines to collect, process, and analyze large-scale pricing data for real-time tracking and insights. Built web scraping systems, data processing pipelines, and automated schedules to ensure continuous data updates and reliability.

Full-stack Developer at Freelancer

November 1, 2015 - March 1, 2017

Delivered end-to-end full-stack web applications across MERN, PHP, and Django stacks, built scalable backends, and designed responsive frontends. Managed deployment and client communications for international projects.