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I'm Ali Katal, a full-stack web developer and entrepreneur with 10+ years of experience building and shipping production-ready web platforms independently. As the main developer of CityDigitalTwin and a researcher focused on HPC-integrated air quality modeling, I translate complex scientific requirements into intuitive interfaces and robust cloud deployments while managing client relationships and milestones.…I'm Ali Katal, a full-stack web developer and entrepreneur with 10+ years of experience building and shipping production-ready web platforms independently. As the main developer of CityDigitalTwin and a researcher focused on HPC-integrated air quality modeling, I translate complex scientific requirements into intuitive interfaces and robust cloud deployments while managing client relationships and milestones.

Ali Katal

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

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I'm Ali Katal, a full-stack web developer and entrepreneur with 10+ years of experience building and shipping production-ready web platforms independently. As the main developer of CityDigitalTwin and a researcher focused on HPC-integrated air quality modeling, I translate complex scientific requirements into intuitive interfaces and robust cloud deployments while managing client relationships and milestones.…I'm Ali Katal, a full-stack web developer and entrepreneur with 10+ years of experience building and shipping production-ready web platforms independently. As the main developer of CityDigitalTwin and a researcher focused on HPC-integrated air quality modeling, I translate complex scientific requirements into intuitive interfaces and robust cloud deployments while managing client relationships and milestones.

Available to hire

I’m Ali Katal, a full-stack web developer and entrepreneur with 10+ years of experience building and shipping production-ready web platforms independently.

As the main developer of CityDigitalTwin and a researcher focused on HPC-integrated air quality modeling, I translate complex scientific requirements into intuitive interfaces and robust cloud deployments while managing client relationships and milestones.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Physical Scientist (PC-02) at Environment and Climate Change Canada (ECCC)

January 1, 2023 - Present

Developed a full-stack web platform for air quality model evaluation with a React frontend and Node.js/Express backend, including user authentication, RESTful APIs, and SSH integration with HPC servers for submitting and monitoring large-scale computations. Built responsive UI components and deployed on Linux servers; implemented data pipelines and real-time status updates.

CEO & Co-founder at PGL (CityDigitalTwin SaaS Platform)

January 1, 2021 - Present

Built CityDigitalTwin as the sole full-stack developer — React frontend, Node.js/Express REST API, MongoDB, AWS S3 for file storage, and AWS EC2 for cloud deployment — delivered as a production SaaS platform; implemented authentication, RBAC; integrated Mapbox for maps and ThreeJS for 3D urban rendering; developed data discovery/search, simulation feeds, and video walkthrough features; managed end-to-end product lifecycle and client delivery; secured funding and NVIDIA Inception acceptance (2025).

Postdoctoral Researcher at Concordia University / V1 Studio

January 1, 2021 - January 1, 2023

Developed CityRPI — a real-time web tool for indoor COVID-19 transmission risk monitoring at city scale; built full-stack app with React frontend and Python backend; automated data pipelines and web APIs; published 7+ peer-reviewed articles and presented at international conferences.

Air Quality Modeling Contractor at Environment and Climate Change Canada (ECCC)

January 1, 2021 - January 1, 2023

Delivered independent web and scripting projects; built Python and shell scripting tools integrated with web workflows; data ingestion, processing, and automated reporting pipelines; demonstrated ability to manage concurrent projects.

Research Intern at Environment and Climate Change Canada

January 1, 2019 - January 1, 2021

Developed CityRPI web platform; built full-stack data pipelines integrating scientific computation backends with clean web frontends; delivered complex information in an accessible format for the general public.