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Qasim Zahid

@qasimzahid

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Senior Full Stack Engineer specializing in scalable e‑commerce and AI integrations.

United States

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What I'm looking for

I seek engineering roles where I can modernize legacy systems, build cloud‑native, data‑driven features, lead cross‑functional teams, and deliver measurable product and performance improvements.

I am a seasoned Full Stack Engineer with 5+ years building scalable, secure e‑commerce and enterprise web applications across Healthcare, Retail, Insurance, Cybersecurity, Supply Chain, and Education. I modernize legacy PHP/MySQL systems, design high‑throughput RESTful and GraphQL APIs, and deploy cloud‑native solutions on AWS, Azure, and GCP.

I integrate ML/NLP models (TensorFlow, Scikit‑learn, LangChain, OpenAI API) into production for personalization, intelligent search, and chatbots, and I lead migrations toward componentized services, CI/CD pipelines, and zero‑downtime releases. My work has reduced regression defects, improved API response times, cut database load, and increased conversion metrics through targeted engineering.

I collaborate with product managers and cross‑functional teams to translate requirements into technical epics, prioritize security and observability, and drive performance optimization and technical debt reduction. I deliver measurable business outcomes by combining pragmatic engineering trade‑offs with a focus on maintainability and developer velocity.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer

Current

Innovasion Tech LLC

Jul 2022 - Present (3 years 3 months)

Led modernization of legacy PHP/MySQL e-commerce modules into MVC components, introduced automated tests and CI/CD, and architected microservices and APIs that reduced API response time by 30% and regression defects by 45%. Implemented caching, read replicas, and deployment strategies to improve performance and reduce downtime while integrating AI-driven personalization that increased conversion m

PHP MySQL React Redis Docker Gitlab CI AWS OpenAI API

Conversational Automation Engineer (Project)

Insurance Automation & Conversational Forms

Aug 2022 - Apr 2023 (8 months)

Led development of GPT-3.5 powered chatbots and serverless workflows that cut form completion time by 55% and reduced manual underwriting prep by 70% while implementing PII redaction and secure token management for compliance.

Azure Functions OpenAI API C++SQL Server TypeScript Docker REST APIs Tokenization

Search & Personalization Engineer (Project)

eCommerce Personalization & Intelligent Search

Jan 2022 - Jun 2022 (5 months)

Built a personalization and intelligent search microservice layer combining OpenAI, vector search, and Elasticsearch, increasing product discovery conversion by 12% and reducing Time-to-Interactive by 28% via SSR and edge caching.

React Next.js OpenAI API Elasticsearch Redis TypeScript Docker AWS

AI/ML Engineer (Project)

Healthcare Predictive Risk Platform

Mar 2021 - Dec 2021 (9 months)

Designed and implemented an AI-driven patient risk analysis platform using TensorFlow and Python microservices, reducing model inference latency by 40% and improving precision by 18% through robust ETL, model quantization, and scalable Kubernetes deployment.

Python TensorFlow Flask PostgreSQL Redis Celery Docker Kubernetes AWS

Education

Degrees, certifications, and relevant coursework

College of Staten Island

Bachelor of Science, Computer Science

2016 - 2020

Grade: 3.5

Completed a Bachelor of Science in Computer Science with coursework and projects covering software engineering, databases, and web development; graduated with a 3.5 GPA.