Leodegario Magsino Jr.
Resume

Leodegario Magsino Jr.

Software Engineer · AI-Native Product Builder. 13+ years building products across fintech, healthtech, and e-commerce — three times as a founding engineer — now shipping through autonomous AI agent workflows.

leo.magsino819@gmail.com (+63) 917 722 0716 Mandaluyong City, Philippines linkedin.com/in/leomagsinojr github.com/lmagsino
13+
Years building products
3×
Founding engineer
6
Industries shipped in
Summary

Builds products with AI

Software engineer with 13+ years of experience building products across fintech, healthtech, and e-commerce, including three times as a founding engineer. Strong backend depth in Ruby on Rails, Node.js, and Java, with full-stack delivery in React, Vue.js, and React Native. Works AI-first day to day, building and shipping through autonomous AI agent workflows with Claude Code, Codex, and Orca, and building MCP servers that connect AI to production systems.

AI & agentic development

How I ship now

Tools
Claude CodeOpenAI CodexOrca · agentic dev environmentGitHub Copilot
Practices
Autonomous agent workflows · spec to tested PRMCP serversPrompt & context engineering
Technical skills

The stack

Backend
Ruby on Rails, Node.js, TypeScript, Java (Spring Boot), Python, Express.js
Frontend & Mobile
React, Vue.js, React Native, Swift
Databases
PostgreSQL, MongoDB, MySQL, DynamoDB
Cloud & DevOps
AWS (Lambda, EC2, S3, RDS, CloudWatch), Docker, GitHub Actions
Observability
Sentry, New Relic, Datadog
Experience

Where I’ve shipped

Nov 2024 – Present

Software Engineer

ShiftCare Pty. Ltd.
  • Spearheaded ShiftCare’s software factory: an autonomous, agent-driven workflow (Claude Code, Codex, Orca) that takes work from spec to implementation, tests, and pull request, enabling a 40-person engineering team to deliver the output of roughly 200 engineers
  • Built and maintain an MCP server used by customers and internal staff to access ShiftCare data and workflows through AI assistants
  • Product owner for the EVV (Electronic Visit Verification) product; owns the Sandata and HHAeXchange EVV integrations that keep US agencies compliant with state Medicaid requirements
  • Build scheduling and care-coordination features for home care and disability agencies using Ruby on Rails and Vue.js
  • Develop serverless microservices in Node.js on AWS Lambda and contribute to the React Native mobile app
Mar 2024 – Nov 2024

Software Engineer

Stacktrek Enterprise, Inc. (PayMongo, YC S19)
  • Integrated QR PH, bringing cashless payments to thousands of merchants across the Philippines
  • Built dashboard features and payment logic full-stack with Ruby on Rails and React
Oct 2023 – Mar 2024

Senior Backend Engineer

BeanLab, Inc. (Edamama)
  • Led design, development, and maintenance of backend infrastructure for an e-commerce platform in Node.js
  • Re-architected and optimized the MongoDB database, cutting average API response time from ~800 ms to ~200 ms (75% faster) while improving reliability and security
Apr 2022 – Oct 2023

Senior Software Engineer

Stratpoint Global Outsourcing Inc.
  • Led a team building mobile and web apps that automate service fulfillment for an enterprise telco client on AWS (Lambda, S3, EC2, RDS)
  • Modernized a legacy system to Node.js and MongoDB
  • Appointed Head of Data for the web capability team; mentored developers at all levels
Sep 2019 – Dec 2021Founding Engineer

Senior Software Engineer

Advance Tech Lending Inc.
  • Joined as founding engineer of a business lending and payroll-advance platform for Philippine SMEs, leading technical decisions and R&D from day one
  • Built and scaled the platform that helped carry the company from early stage through a US$16M Series A
  • Designed the full system architecture and led the move from monolith to microservices (Node.js, Express.js, MongoDB) as the product scaled
  • Maintained the core Ruby on Rails application and built mobile features in React Native
  • Managed third-party system integrations to extend platform connectivity
Jan 2019 – Sep 2019

Senior Software Engineer

Yondu Inc.
  • Led the team building a movie ticketing web app and its CMS (Java, Spring Boot, Vue.js)
Jul 2018 – Jan 2019Founding Engineer

Software Engineer

P & A Trading Corporation
  • Joined as founding engineer to build an internal CRM startup for the company’s field sales team
  • Developed the iOS app in Swift to streamline sales operations and customer relationship management
  • Built the backend web services in Java and Spring to support the mobile app
  • Worked directly with the Executive VP and sales team to gather requirements and iterate on features
Jun 2017 – Jun 2018Founding Engineer

Software Engineer

Lendwell Solutions Inc.
  • Hired as founding engineer to build the company’s MVP, a salary-advance fintech lending platform, from the ground up
  • Developed the complete platform using Ruby on Rails and PostgreSQL
  • Designed the technical architecture and defined product requirements directly with the CEO
  • Established development processes and best practices for the growing engineering team
Apr 2015 – May 2017

Software Engineer

Yondu Inc.
  • Built a CMS for an online ticketing system (Java, Spring, MariaDB) and led the team on a citywide parking app
Mar 2013 – Apr 2015

Software Engineer

Novare Technologies Inc.
  • Supported, enhanced, and deployed a bank’s Internet Banking System (Java, Spring); led code reviews
Education & certifications

Foundations

2009 – 2013

B.S. Information Technology

De La Salle University–Dasmariñas · Dean’s Honor List (AY 2012–2013)
Certifications
MongoDB Certified Associate DeveloperPCEP — Certified Python ProgrammerOracle Certified Professional, Java SE 7IBM Certified Associate, DB2