A Little Bit About Myself

Software Engineer with over 6 years of experience building robust, scalable, and secure applications by applying advanced methodologies like Agent-Driven Development and TDD. My work has accelerated time-to-market by 30% and reduced manual effort by 80%, showcasing a commitment to delivering high-impact, innovative solutions. I am currently pursuing a Master's degree in Software Engineering with a specialization in Cybersecurity.

Front-end development
I convert design prototypes into responsive, scalable, and high-performance web applications. I use frontend frameworks, design systems, and testing tools to deliver ahead of schedule.
Back-end development
I engineer products with modular, robust, and dependable services. I work across various languages in managed and serverless environments, backed by comprehensive unit and integration tests.
Development Operations
I maintain a rapid, steady, and organized development cycle with a blend of operational knowledge. I leverage Docker for development, ensure continuous integration and delivery via CircleCI, and orchestrate infrastructure using Terraform.

Significant Works

Projects that showcase my technical growth over the years.

My Professional Journey

Steps along my career evolution.

San José State University

Master of Science in Software Engineering
January 2026 - Present (~1 month)

Lightspeed Commerce

Senior Software Developer
January 2025 - December 2025 (11 months)
  • Engineered a store credit functionality through collaborative agentic programming, accelerating time-to-market by 30% while maintaining quality.
  • Modernized the primary product login page, mitigating all identified security risks and cutting the integration time for new authentication features by 30%.

Lightspeed Commerce

Software Developer II
April 2023 - December 2024 (1 year 8 months)
  • Developed a mobile app for restaurant managers, integrating localization, usage tracking, and engagement features to provide real-time analysis and boost decision-making.
  • Architected a hospitality platform migration tool that enabled concurrent team development, resulting in a two-month delivery and an 80% reduction in manual effort for the sales team when migrating customer data.

Lightspeed Commerce

Software Developer I
November 2021 - March 2023 (1 year 4 months)
  • Built a restaurant inventory management software with React, AWS, and Terraform, enhancing stock tracking, simplifying recipe management, and streamlining supply ordering.
  • Enhanced end-to-end test suite efficiency using Cypress, reducing the test run duration from 45 to 15 minutes, with an estimated annual developer cost savings of $10,000.

ImportGenius

Full Stack Engineer
June 2019 - July 2021 (2 years 1 month)
  • Incorporated Recurly into the platform via data migration, API integration, and user account synchronization, which streamlined the migration to a modern subscription management system.
  • Engineered a global trade intelligence software using Nuxt, Express, and Elasticsearch, providing businesses with comprehensive trade records, insights, and analytics capabilities.

ImportGenius

Full Stack Engineering Intern
September 2018 - December 2018 (3 months)
  • Engineered a global trade intelligence software using Nuxt, Express, and Elasticsearch, providing businesses with comprehensive trade records, insights, and analytics capabilities.

Keywest Internationale Sales Corp

Web Developer Intern
April 2018 - July 2018 (3 months)
  • Directed the continuous refinement of a WordPress e-commerce platform, enhancing its performance and user interface to ensure a seamless and modern user experience.

FEU Institute of Technology

Bachelor of Science in Information Technology
July 2014 - March 2019 (4 years 8 months)

Let's Grab Some Sushi 🍣

Or a cup of coffee, I am happy to connect!

Send me an email
John Ian Buñag
[email protected]