Marvin Baltazar

Empire Flippers

Lead Backend Engineer (Nov 2023 - 2026)

Senior Backend Engineer (Oct 2021 - Nov 2023)

• Develop and maintain application features using Ruby on Rails and ReactJS.
• Build and support the platform integration with Amazon's Seller Central API and Shopify API.
• Monitor and resolve application performance issues.
• Perform code reviews and keep the backend code performant and secure.
• Provide Tier 3 support for application issues.
• Leverage AI-assisted development tools (Cursor, Claude Code) to accelerate feature development.

Outmatch, Inc. (now Harver)

Engineering Lead

• Led a fully-remote, autonomous team of Developers and Quality Assurance.
• Performed code reviews and coordinated daily standups, sprint planning and estimations.
• Created technical documentation for new features to guide development.
• Responsible for bi-weekly product releases and deployments.
• Worked on moving a monolithic Rails application into a containerized production architecture. This was done using AWS ECS, Fargate and Aurora.
• Planned and implemented the migration of an entire Rails application into the latest framework version.
• Supported integration of the video interview platform with other company platforms using a REST API with a Ruby on Rails backend.
• Improved the team's branching strategy, integrated DAST, and reduced the CI/CD pipeline duration.

LaunchPad Recruits, Ltd.

Founding Engineer & Development Lead

As the founding engineer, architected and built the product from the ground up, growing it from a simple video interview tool into a full Recruitment Process Automation platform — ultimately contributing to the company's successful exit/acquisition.

• Wrote the majority of the core application code, forming the technical foundation the company was built on, using Ruby on Rails and deploying in AWS.
• Designed and developed REST APIs to allow integration with enterprise Applicant Tracking Systems.
• Increased the company's client base by designing and developing a feature to automatically screen candidates based on specific criteria.
• Designed and implemented the company's GDPR compliance solution, enabling continued operations across EU markets.
• Built a video transcoding pipeline that reliably processed 8M+ videos over nearly a decade with no major failures.
• Delivered a 75% reduction in page load times by building an in-house video transcoding service using ffmpeg, AWS S3, and a Rails API, directly improving the candidate and client experience at scale.
• Improved the development team experience by developing an internal video transcoding application to provide a locally available service for feature development.
• Responsible for bi-weekly product releases and deployments.
• Main point of contact for troubleshooting and resolving production issues.
• Planned and led the migration and update of production servers with minimal impact to customers.
• Maintained the security of the application, ensured GDPR and PCI compliance, and resolved penetration testing issues.

SourcePad, Inc.

Ruby on Rails Developer

• NY-based consulting company with a focus on developing web and mobile applications for startups.
• Developed web applications for US and EU startups using Ruby on Rails and JavaScript, deploying in AWS.
• Designed and developed an internal tool to automatically identify calendar availability using the Google Calendar API.

Astra (Philippines), Inc.

Senior Software Engineer

• Managed a team of developers for a University Management System web application.
• Provided technical support for clients and performed on-premise server setup and maintenance.
• Designed and developed features for a Human Resource Information System web application.
• Provided training and guidance to other engineers through meetings and code reviews.

Canon Information Technologies (Philippines), Inc.

Hardware Engineer

• Performed design verification of hardware modules used in Canon's multi-function printers.
• Created patent applications relating to electronics technology.
• Provided training and guidance to other engineers through face-to-face lectures, training materials, and code/document reviews.