I am a seasoned Application/Database Developer with over 10 years of experience, known for translating user requirements into secure, scalable solutions. I lead teams, drive project delivery, and enjoy solving complex technical challenges across desktop, web, and cloud-based architectures. I specialize in .NET, Azure, SQL Server, MySQL, and Azure cloud services, with a track record of migrating legacy systems to .NET Core, using microservices, and building CI/CD pipelines. I am a strong collaborator who thrives in Agile environments and am committed to continuous learning and applying new tools to deliver value.

John D. Woo

I am a seasoned Application/Database Developer with over 10 years of experience, known for translating user requirements into secure, scalable solutions. I lead teams, drive project delivery, and enjoy solving complex technical challenges across desktop, web, and cloud-based architectures. I specialize in .NET, Azure, SQL Server, MySQL, and Azure cloud services, with a track record of migrating legacy systems to .NET Core, using microservices, and building CI/CD pipelines. I am a strong collaborator who thrives in Agile environments and am committed to continuous learning and applying new tools to deliver value.

Available to hire

I am a seasoned Application/Database Developer with over 10 years of experience, known for translating user requirements into secure, scalable solutions. I lead teams, drive project delivery, and enjoy solving complex technical challenges across desktop, web, and cloud-based architectures. I specialize in .NET, Azure, SQL Server, MySQL, and Azure cloud services, with a track record of migrating legacy systems to .NET Core, using microservices, and building CI/CD pipelines. I am a strong collaborator who thrives in Agile environments and am committed to continuous learning and applying new tools to deliver value.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Advanced

Work Experience

Lead Developer (Freelancer) at Health Industry - Confidential
November 30, 2022 - Present
Lead Developer role for a health industry client. Utilized Azure AI Document Intelligence to process clinical results, enabling AI-powered document analysis and secure data storage. Led migration of legacy applications to .NET Core and a Microservices architecture to improve scalability and maintainability. Designed, developed, and maintained high-quality software and web applications, collaborating in Agile sprints and integrating Microsoft Dynamics 365 with third-party applications to extend system capabilities.
Senior Backend Developer at iCube Digital Solutions
January 20, 2021 - October 30, 2022
Migrated legacy VB connectors to .NET Core, improving maintainability and performance. Integrated applications with Xero, DocuSign, TimeSheetAPI to expand system capabilities. Optimized complex stored procedures for faster query execution and database efficiency. Monitored database health, conducted backups and recovery, and led database server migrations with minimal downtime.
Consultant at Accenture Inc. (PHILIPPINES)
January 1, 2018 - December 5, 2020
Gained client-facing information, maintained and supported production applications, monitored database jobs and optimized queries, served as code reviewer, and led a team of software developers to design, develop and maintain software programs. Migrated legacy applications to .NET Core Apps and Microservice Architecture.
Senior Software Engineer at Accenture SDN. BHD. (MALAYSIA)
July 1, 2015 - December 31, 2017
ASW Newspage project: supported and fixed bugs in live system, set up user acceptance and production servers for multiple countries, led junior developers, and migrated legacy applications into .NET Core Apps and Microservice Architecture. Involved in code reviews and coordinating regular progress meetings.
Senior Software Engineer at Accenture Inc. (PHILIPPINES)
April 28, 2014 - June 30, 2015
Global IS – Reports Creation Program: backend enhancements, centralizing solution structure, converting Excel reports to SSRS, and optimizing stored procedures with indexing. Developed internal automation tools such as Time Away Log and Seat Plan Automation Tool; implemented Time Away Log (Windows Forms) and Seat Plan Automation for multi-country deployments.
Net Senior Developer at Lancera Philippines
January 1, 2014 - March 31, 2014
A1 Driving project: backend-focused development, data services, database maintenance with MySQL, and code refactoring for maintainability; optimized stored procedures and utilities; client-facing reporting and daily progress submissions.
Net Senior Developer at Lancera Philippines
August 1, 2013 - December 31, 2014
Q90 project: .NET Senior Developer handling database migrations, table normalization, indexing, and development of command-line utilities to execute stored procedures and in-memory data operations during migrations.
Lead at QINTARA INC.
June 1, 2012 - January 31, 2013
Lead for GuavaTel Information System: from-scratch development, data parsing from third-party reports, RESTful web services, C# and Silverlight, with a focus on stored procedures, CLR, and views; project included bandwidth calculation and online payments.
Lead Developer at QINTARA INC.
June 1, 2012 - January 31, 2013
GuavaTel Information System (continued): led design and implementation across backend services; created web services using RESTful APIs; data processing and reporting integration; technologies included C#, Silverlight, SQL Server.
Software Engineer (Remote) at Bit by Bit IT Solutions
November 1, 2010 - March 31, 2014
Developed software solutions for clients, deployed Windows Azure-based features, modified database designs, and implemented web services; contributed to mobile solutions and performance improvements.
Database Administrator at Dipolog City Water District
March 1, 2012 - May 1, 2012
Managed RDBMS environments (SQL Server, MySQL, Oracle); performed backups, recovery, and performance tuning; supported daily data operations.
Part Time IT Instructor at DMC College Foundation - College of Computer Studies
March 1, 2012 - May 1, 2012
Delivered instruction in RDBMS (SQL Server, MySQL, SQLite) and related technologies; provided hands-on labs and student support.

Education

Bachelor of Science in Information Technology at DMC College Foundation
March 1, 2012 - December 24, 2025

Qualifications

Certiport's Internet and Computing Core Certification (IC3)
January 11, 2030 - December 24, 2025
Microsoft Specialist: Programming in C#
January 11, 2030 - December 24, 2025
Microsoft Certified Professional (MCP)
January 11, 2030 - December 24, 2025
JP Rizal Excellence Awardee
January 11, 2030 - December 24, 2025

Industry Experience

Computers & Electronics, Software & Internet, Professional Services