Hi, I’m Hasan ‘Zobaer’ Chowdhury, a full-stack developer based in St. John’s, Canada. I have 3 years of experience building production web apps and shipping systems across healthcare, retail, POS, CRM, training/seminars, tourism bookings, and office HQ. I thrive on owning features end-to-end—from schema design and API integrations to RBAC/auditing, reporting (PDF/Excel), performance tuning, deployments, and on-call support. I enjoy collaborating with cross-functional teams and delivering robust, scalable solutions.

Hasan Zobaer Chowdhury

Hi, I’m Hasan ‘Zobaer’ Chowdhury, a full-stack developer based in St. John’s, Canada. I have 3 years of experience building production web apps and shipping systems across healthcare, retail, POS, CRM, training/seminars, tourism bookings, and office HQ. I thrive on owning features end-to-end—from schema design and API integrations to RBAC/auditing, reporting (PDF/Excel), performance tuning, deployments, and on-call support. I enjoy collaborating with cross-functional teams and delivering robust, scalable solutions.

Available to hire

Hi, I’m Hasan ‘Zobaer’ Chowdhury, a full-stack developer based in St. John’s, Canada. I have 3 years of experience building production web apps and shipping systems across healthcare, retail, POS, CRM, training/seminars, tourism bookings, and office HQ.

I thrive on owning features end-to-end—from schema design and API integrations to RBAC/auditing, reporting (PDF/Excel), performance tuning, deployments, and on-call support. I enjoy collaborating with cross-functional teams and delivering robust, scalable solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Programmer Analyst / Software Developer / Full Stack Developer at Blue Communications Inc.
August 1, 2025 - September 22, 2025
Full-stack development across enterprise applications for retail, tourism, healthcare, and education sectors. Built and optimized systems including BluePractice (clinic software for physicians), Bogarts “BlueDiamond” (sales/inventory management), Gardiner Centre CRM (student/training management), McCarthy’s Party (tour bookings), and various POS solutions. Engineered relational database schemas, migrated large data sets, and implemented historical data strategies. Refactored legacy code toward clean MVC/service-based architectures, standardized migrations, and modular design. Built custom reporting tools (PDF/Excel generation, automated certificates, name tags, and tent cards). Implemented RBAC, admin permissions, and audit tracking. Developed an inventory cost engine with live PO data integration. Improved UI/UX with responsive print layouts and flexible filters. Migrated legacy JWT Zoom API to OAuth2 with token refresh. Managed tooling/DevOps tasks, including Git branching, env
IT/IS Developer at The Cahill Group
December 1, 2022 - September 22, 2025
Created, updated, and maintained the IT/IS department’s main website using SharePoint Online, HTML, CSS, JavaScript, PHP, and SQL. Built and maintained the Site Visitor Web App for the Head Office’s Reception Desk (iPad), replacing paid software with Microsoft PowerApps, SharePoint Online, and Power Automate. Developed the IT Requirements Web App used company-wide, delivering production-ready functionality and automated processes. Automated manual back-office processing through scripting and workflow automation to improve efficiency.
Technical Support Specialist at SP Data Digital LLC, DirecTV
January 1, 2022 - September 22, 2025
Handled inbound DirecTV business customer inquiries, troubleshooted hardware and software issues, scheduled technicians, updated packages and account information, processed payments/credits, and coordinated with three integrated systems (Salesforce, RIO, STMS) to manage customer data.
Cashier at Wendy's Kenmount Road
September 1, 2021 - September 22, 2025
Greeted customers, handled transactions, promoted offers, and maintained merchandise. Restocked, organized, and ensured cleanliness of dining and kitchen areas.
Information Technology Assistant at ABNews24BD.com
July 1, 2019 - September 22, 2025
Reinstalled Windows, configured and maintained hardware/software, performed data backups and performance tuning, and provided tech-support/training to colleagues remotely and in-person.
Programmer Analyst | Software Developer | Full Stack Developer at Blue Communications Inc.
August 1, 2025 - September 22, 2025
Full-stack development across enterprise applications for retail, tourism, healthcare, education, and industrial sectors using Laravel, Filament, PHP, SQL, JavaScript, Tailwind, CSS, HTML, and jQuery. Built and maintained systems such as BluePractice (clinic software), Bogarts “BlueDiamond” (sales/inventory), Gardiner Centre CRM, McCarthy’s Party (tour booking), and various POS solutions. Engineered database schemas, data migrations, and historical data handling; refactored legacy code toward MVC/service-based architecture; implemented RBAC/auditing and dynamic reporting tools (PDF/Excel). Migrated Zoom JWT integration to OAuth2, added token refresh, and secured authentication. Contributed to DevOps with Git workflows and local debugging setups. Led performance improvements and delivered numerous bug fixes and feature updates across projects.
Information Systems and Technology at The Cahill Group
December 1, 2022 - September 22, 2025
Created, updated, and maintained the IT/IS department’s main website (SharePoint Online) and web apps (Site Visitor Web App, IT Requirements Web App) using HTML, PHP, CSS, JavaScript, MS PowerApps, SharePoint Online, and Power Automate. Automated manual back-office processes through scripting and integrated tech solutions company-wide.
Commercial Customer Care at SP Data Digital LLC (DirecTV)
January 31, 2022 - September 22, 2025
Handled inbound DirecTV business customer inquiries, troubleshot hardware/software issues, scheduled technicians, updated packages, and processed payments. Managed account information and discounts using Salesforce, RIO, and STMS.
Cashier at Wendy's Kenmount Road
September 1, 2021 - September 22, 2025
Provided customer service, operated cash registers, processed payments, promoted offers, and maintained dining and kitchen areas.
Information Technology Assistant at ABNews24BD.com
July 1, 2019 - September 22, 2025
Reinstalled and configured Windows, diagnosed and maintained hardware/software, performed data backups, tuning, and planned hardware/software upgrades. Provided tech-support and training to colleagues.

Education

Bachelor of Science (B.S.) - Computer Science at Memorial University of Newfoundland, St. John's, Newfoundland, Canada
September 1, 2019 - September 1, 2024
Bachelor of Science (B.S.) - Computer Science at Memorial University of Newfoundland
September 1, 2019 - September 1, 2024

Qualifications

Add your qualifications or awards here.

Industry Experience

Healthcare, Retail, Education, Travel & Hospitality, Software & Internet