About
I'm currently open to interesting problems.
I code for a living 👨🏻💻
I read whatever pulls my attention 👀
I surf occasionally
I run every Tuesdays and Saturdays(most weeks)
I travel solo (yes, on purpose)
Connect with me: jerome.arceo.agapay@gmail.com, Resume, LinkedIn
Technical Skills
- Programming Languages: Javascript, Typescript, PHP 7.x
- Frontend Technologies: ReactJS, Redux, React Native, jQuery, Tailwind CSS, Ant Design, NextJS
- Backend Technologies: NodeJS, Express.js, Serverless Framework, Redis, Laravel
- Databases: PostgreSQL, MySQL, MariaDB, Aurora Serverless v2, Liquibase
- Cloud/AWS: Lambda, API Gateway, RDS, S3, S3 Glacier, CloudFront, Cognito, CloudWatch, SQS, EC2, Amplify, CDK
- AI Tools: Claude Code, Anthropic API, AI-assisted development, LLM integration
- Development Tools: Git, CI/CD pipelines, Agile/Scrum methodologies
- Operating Systems: Linux(Ubuntu), macOS, Windows
Work
HealthyLife Company Pty Ltd.
Senior Software Engineer
July 2022 - May 2024
- E-commerce and digital health platform.
- Stabilized storefront by removing recurring UI defects and consolidating patterns across pages.
- Modernized legacy jQuery modules into reusable components and simplified CSS with Tailwind.
- Improved mobile behavior and layout consistency across high-traffic views.
- Worked within legacy constraints while raising code quality through small, safe refactors.
- Technologies used: HTML, CSS, jQuery, SASS, Tailwind CSS, PHP, Laravel
PayMaya Philippines Inc.
Senior Software Engineer
May 2021 - July 2022
- Business management platform for payment, banking, and loan solutions.
- Designed file-based disbursement workflow using S3 -> SQS -> Lambda -> RDS with DLQs and idempotency.
- Built CRUD services with Serverless Framework for React front-end and Node.js back-end.
- Ran targeted load tests to validate batch processing behavior and tune concurrency.
- Collaborated in reviews and sprint planning with engineers, QA, and product.
- Technologies used: React 17, Redux, Node.js, AWS Lambda, SQS, RDS, S3, Serverless Framework
Botbros AI, Rocket Labs Consulting Inc.
Jun 2017 - Jan 2021
Airship Logistics Management System
Tech Lead
- Led full-stack delivery for bookings, agent management, and cash-flow operations.
- Drove Agile cadence and code reviews to improve consistency and maintainability.
- Researched and applied AWS patterns for scale and reliability.
- Recognized Top 3 in the IdeaSpace Acceleration Program.
- Technologies used: React, Redux, Node.js, Serverless, AWS (Lambda, API Gateway, RDS, Cognito, CloudWatch, CloudFront, S3).
PeopleServe — Human Resource Information System
Software Engineer
- Scoped with clients to clarify requirements and realistic timelines.
- Mentored interns and junior developers to raise delivery quality.
- Provided production support and issue resolution post-launch.
- Technologies used: Laravel 5.2, React, Redux, MariaDB, MySQL 5.6.
Spectrum Investments - In-house API
Software Engineer
- Created database schema.
- Written documentation for the applications custom http requests and responses.
- Collaborated with freelance developers.
- Technologies used: PHP Slim 3
Entrego - Booking Website
Software Engineer
- Coded their Homepage, About, Contact, Career and Booking pages.
- Integrated Entrego's API with the login and booking pages.
- Cooperated with Zalora team with regards with some changes in their booking website.
- Suggested and implemented changes in the UI.
- Created reusable components using React.
- Technologies used: HTML, CSS, React JS, Redux
Chatbots - In-house projects
Software Engineer
- Research and developed facebook messenger and slack bots.
- Technologies used: Botkit JS, Chatfuel, Node JS
HonestBee - Booking Website
Software Engineer
- Created BotBros AI website using HTML, CSS and JS.
- Modified the implemented PHP back-end.
- Technologies used: vanilla HTML, CSS and JS, PHP 7.1.
BotBros AI - Website, Junior Full Stack Engineer
Software Engineer
- Created BotBros AI website using Ghost CMS, HTML, CSS and JS.
- Technologies used: Ghost CMS, vanilla HTML, CSS and JS.
Ideyatech Inc.
QA Intern
Oct 2016 - Jan 2017
- Authored test cases that expanded coverage of core web flows.
- Performed manual functional testing and documented issues for fast fixes.
Projects
PSilo (Personal Silo)
Self-hosted image storage platform built as an alternative to commercial cloud storage solutions
- Link to github repository
- Architected and built a full-stack personal cloud storage app using AWS CDK for infrastructure-as-code, provisioning Cognito, API Gateway, Lambda, SQS, Aurora Serverless v2, and S3 Glacier Flexible Retrieval.
- Implemented cost-optimized cold storage using S3 Glacier Flexible Retrieval, significantly reducing hosting costs compared to standard S3
- Designed monorepo structure separating frontend (Next.js), infrastructure (CDK stacks), and Lambda services for clean architecture and maintainability
- Integrated Drizzle ORM with Aurora Serverless v2 with database migrations for type-safe SQL and version-controlled schema management
- Technologies used: Next.js, TypeScript, Node.js, AWS CDK, Lambda, API Gateway, Aurora Serverless v2, S3 Glacier, Cognito, SQS, Drizzle ORM
ATC Monitoring System
Custom client website replacing Excel system workflows
- Link to github repository
- Eliminated duplicate records and manual errors by moving to a typed web app.
- Used an internal RPC approach for a private deployment with clean boundaries.
- Deployed on Vercel; organized code with clean architecture principles.
- Migrated website on AWS.
- Technologies used: Next.js, Prisma, Zod, TypeScript, RPC, Vercel, AWS RDS, AWS EC2