Sr. Software Engineer | Data Engineer
Bulacan
Sr. Software & Data Engineer with 8 years of experience delivering web applications, RESTful APIs, and data pipelines for clients in insurance, aviation, and e-commerce. Skilled in React, Vue, Node.js, Golang, ASP.NET, MongoDB, MySQL, PostgreSQL, MS SQL Server, Databricks, Azure, Python, and Jira. I specialize in legacy system migration, reusable UI development, API testing and documentation, and automated data processing — working directly with clients to deliver customized, high-availability solutions.
Prulife UK, contract
Nov 2023 to Present
Data Engineering • Applied the Medallion Architecture (Bronze / Silver / Gold) to structure all data projects for both new and existing pipelines in Databricks. • Built and maintained data pipelines primarily in PySpark, handling data transformation, cleanup, recovery, and status resets. • Wrote SQL-style queries in PySpark within Databricks for data extraction and analysis. Full Stack Developer • Developed and maintained RESTful APIs using Golang alongside Node.js, supporting high-availability systems. • Ensured seamless integration between Go backends and frontend systems, using Postman for API testing and documentation. • Applied Golang to scripting and ad-hoc automation tasks. • Modified Crystal Reports to mask sensitive information such as user details and policy numbers. • Supported cross-functional teams across development initiatives, contributing to new full-stack application development projects through Azure DevOps. • Managed and tracked user stories in Jira to keep project delivery on schedule. • Maintained version control with Git and integrated code repositories with the Jenkins CI/CD pipeline. • Analyzed penetration testing reports to identify and address critical vulnerabilities. Maintenance & Optimization • Monitored and optimized web application performance and maintained existing web applications. • Logged policy changes requiring modification and carried out debugging and scripting tasks. • Applied the Medallion Architecture (Bronze / Silver / Gold) to structure all data projects for both new and existing pipelines in Databricks. • Built and maintained data pipelines primarily in PySpark, handling data transformation, cleanup, recovery, and status resets. • Wrote SQL-style queries in PySpark within Databricks for data extraction and analysis. Full Stack Developer • Developed and maintained RESTful APIs using Golang alongside Node.js, supporting high-availability systems. • Ensured seamless integration between Go backends and frontend systems, using Postman for API testing and documentation. • Applied Golang to scripting and ad-hoc automation tasks. • Modified Crystal Reports to mask sensitive information such as user details and policy numbers. • Supported cross-functional teams across development initiatives, contributing to new full-stack application development projects through Azure DevOps. • Managed and tracked user stories in Jira to keep project delivery on schedule. • Maintained version control with Git and integrated code repositories with the Jenkins CI/CD pipeline. • Analyzed penetration testing reports to identify and address critical vulnerabilities. Maintenance & Optimization • Monitored and optimized web application performance and maintained existing web applications. • Logged policy changes requiring modification and carried out debugging and scripting tasks.
Cebu Pacific Airline, contract
Aug 2022 to May 2023
• Led the migration of the airline's legacy AngularJS platform to modern Angular while designing high-performance backend services using Golang. • Developed an internal App Builder enabling users to create and customize web applications using React, Node.js, and MongoDB. • Transformed UI designs into functional React components to enhance user experience. • Created a prototype NFT payment system for airline ticket purchases, allowing users to buy, trade, and manage digital assets using React and Web3. • Ensured reliable endpoints through Postman API testing and documentation, and applied version control with Git for collaborative development. • Improved application consistency by implementing reusable UI components across multiple applications. • Integrated Google Analytics 4 and GTAG for error logging and monitoring. • Researched emerging aviation technologies and developed prototype applications for presentations.
FIBERLINE INDUSTRIES, INC, full_time
Mar 2020 to Jul 2022
• Developed a full-stack e-commerce web application using Vue, WordPress, and MySQL. • Led the end-to-end design of the application, including content strategy, product layout, and brand identity. • Implemented daily server file and database backup protocols to protect data and support recovery. • Optimized server performance for enhanced efficiency. • Resolved network infrastructure issues, including router and switch troubleshooting.
MANGO SYSTEM CONSULTING SERVICES, full_time
May 2018 to Mar 2020
• Worked in a startup environment utilizing diverse tech stacks including Vue, React, Laravel, C#, and MySQL. • Developed an HR Management System featuring payroll and employee management using Vue, Laravel, and MySQL. • Upgraded a desktop Inventory System using C# and SQL Server. • Built a comprehensive School Management System incorporating: o Student enrollment management o Subject and timetable scheduling o Payment processing o Multi-tech stack implementations (Vue/React frontend, Node/Laravel backend, MySQL/MongoDB databases) • Optimized applications for cross-device responsiveness. • Implemented code reusability practices to improve development efficiency. • Collaborated directly with clients to deliver customized solutions.