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Zulqurnain Haider

@zulqurnainj

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Full Stack Mobile Developer & Python Expert with extensive experience.

Pakistan

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What I'm looking for

I am looking for a dynamic role that fosters innovation and collaboration, where I can leverage my mobile development expertise to create impactful solutions.

I am a Full Stack Mobile Developer and Python Expert with a strong background in building scalable mobile applications and web apps. My experience includes working with top U.S. companies, contributing to a NASDAQ-listed former unicorn, and driving innovative mobile solutions. I have a proven track record in both backend and frontend development, ensuring high-quality releases through effective collaboration and code optimization.

Throughout my career, I have led the development of core features for major mobile applications, enhancing performance and user engagement across platforms. My expertise in Android, iOS, and cross-platform frameworks like Flutter has allowed me to implement scalable solutions aligned with brand goals. I am passionate about leveraging my skills in project management, CI/CD improvements, and agile methodologies to deliver exceptional results.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer (AI Focus)

Current

Fuentes.tech

Dec 2025 - Present (6 months)

Led development of an AI-based school platform using OpenAI, CustomGPT, and LLM-powered features, including RAG and hybrid search. Built real-time analytics with React/Next.js and designed event-driven integrations using Kafka and RabbitMQ on a Docker/Kubernetes and AWS ECS infrastructure with GitLab CI/CD.

OpenAI Claude React Next.js Kafka RabbitMQ RAG and Hybrid Search Docker and Kubernetes AWS ECS GitLab CI CD

Senior Application Developer

Victoria's Secret & Co.

Nov 2024 - Nov 2025 (1 year)

Developed cross-platform mobile apps delivering seamless user experiences using React Native and Flutter across iOS and Android. Built scalable backend services with NestJS and TypeScript, and leveraged AI coding assistants (GitHub Copilot, Cursor, Claude Code) to accelerate development workflows.

NodeJS GitHub Co Pilot React Native TypeScript Flutter iOS Android NestJS Node.js CI CD AI Coding Assistants

Full Stack Developer

Victoria's Secret & Co.

Nov 2023 - Oct 2024 (11 months)

Architected hybrid backend systems and built scalable microservices using Golang and Python, integrating event-driven workflows with Redis and RabbitMQ. Delivered full-stack web experiences with Next.js, NestJS, and Angular, and implemented LLM-powered features including RAG and hybrid search with OpenAI/Claude and vector databases.

TailwindCSS fastAPI Go Python Redis RabbitMQ Next.js NestJS Angular MySQL PostgreSQL

Senior Full Stack Developer

JPMorgan Chase

Jun 2022 - Oct 2023 (1 year 4 months)

Developed secure enterprise web applications for banking and financial workflows using Spring Boot and Node.js, building REST/GraphQL microservices backed by Oracle DB. Implemented real-time capabilities with WebSockets, secured services with OAuth/JWT, and automated CI/CD and testing using Docker, Kubernetes, and Jest/Mocha/Cypress.

Java Spring Boot REST GraphQL APIs Oracle Database WebSockets OAuth JWT Docker Kubernetes CI CD NodeJS

Application Engineer II

SWVL

Jun 2021 - May 2022 (11 months)

Application Engineer II
Led mobile squad work on booking and payment modules, building native iOS apps with Swift and SwiftUI and native Android apps with Kotlin and Jetpack Compose. Applied MVVM and Clean Architecture, integrated Firebase, Room, and Retrofit, managed CI/CD with Bitrise, and coordinated backend integration with Spring Boot and Oracle.