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Mark J. — Mid-Level .NET Developer from Costa Rica

Mark J.

Mid-Level .NET Developer

Costa Rica 2-3 years
Open to offersNew to Platform
Languages
EnglishTagalog
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About

Mark Jay F. is an experienced .NET Developer with a background in finance, education technology, eCommerce, and engineering sectors. After earning a Bachelor's degree in Computer Engineering Technology from the Technological University of the Philippines, he has contributed to notable organizations such as Philippine National Bank, Analog Devices, and CodeSkitch Solution Inc. Mark Jay F. consistently delivered high-impact software solutions, including automating secure sFTP transfers, developing full-stack data management and booking systems, and optimizing facility management workflows. He specializes in building robust applications using C#, ASP.NET Core, SQL, and modern UI frameworks. His work features end-to-end development, real-time data processing, and system monitoring platforms, directly addressing key technical challenges within financial, educational, SaaS, and industrial contexts.

Experience

  • .NET DEVELOPER

    Analog Devices · 2026 — Present
    Engineered a .NET Core console application that executes resource-intensive stored procedures and processes raw data into optimized summary tables, relieving heavy computations from the web UI. Developed a suite of .NET applications for parsing and ingesting unstructured file logs into a centralized database, automating the monitoring workflow. Designed a web interface to visualize log data for immediate insights into system health.

  • .NET DEVELOPER

    CodeSkitch Solution Inc. · 2024 — 2025
    Designed and developed an Investor Tracker application from scratch, utilizing Blazor Server, C#, SQL, and AI, incorporating real-time market signal analysis and AI trend predictions with a Windows Service for daily email updates. Created key modules for a SaaS Web App and maintained an eCommerce Web App, focusing on C# .NET, SQL, and modern front-end technologies. Optimized ASP.NET Core Web API endpoints and enhanced features for a Facility Management System and Booking Management System.

  • .NET DEVELOPER GH

    Philippine National Bank · 2024 — 2024
    Developed a C# .NET console application that automates secure sFTP file transfers between businesses. Created a data management portal using ASP.NET Core MVC, C#, and SQL for viewing and administering bank records. Provided ongoing support and maintenance for production applications, ensuring stability and performance.

  • WEB DEVELOPER INTERN

    VCT Network and Data Solution · 2023 — 2023
    Served as a full-stack developer by creating responsive UI and backend APIs for a Learning Management System, School Management System, and Public Employment Service Office Web App using ASP.NET Core Razor Pages, HTML/CSS, Bootstrap, JavaScript, and SQL. Developed an interactive grid view layout for a Video Conference Web App with HTML/CSS and JavaScript.

Skills & Expertise

Procurement / PurchasingASP.NET DeveloperContent WriterBackend Developer

Education

  • Bachelor of Engineering Technology major in Computer Engineering Technology
    Technological University of the Philippines · 2019 — 2023