joss ecleoopen to work

joss ecleo

full-stack engineer with 2+ years of production experience building and shipping products for real clients. specializing in next.js, node.js, and scalable backend systems, with research experience in generative ai for drug discovery.


ship fast, validate quick, repeat. i care about building things that work reliably for real users — not over-engineering for hypothetical ones.


react / next.js,typescript,node.js,firebase,docker

bs computer science

university of san carlos, 2021-2025

dean's lister · gwa: 1.62


gan-lstm drug discovery pipeline

published at icoiact, ieee (2025) ↗


github.com/jcbecleolinkedin.com/in/jcbecleo

open to opportunities

currently: building billing automations at billbird

scroll to explore

apr 2026 · launched v2 — zine redesign

built with next.js · deployed on vercel · set in ibm plex mono

01/
full stack engineerapr 2025 — present

billbird, philippines

₱22m+in billings processed
484tenants served
1,600+invoices automated
~90%faster processing
  • ·led a lean engineering team of 3 to design and launch a multi-tenant billing platform serving 484 tenants across 4 real estate clients
  • ·architected a multi-tenant billing platform processing ₱22m+ in billings and ₱15m+ in collections across 4 active clients
  • ·automated manual billing workflows across 1,600+ invoices, reducing processing time by ~90% and eliminating human error
  • ·implemented a redis-backed bullmq job queue for bulk billing via csv imports, enabling creation of thousands of invoices in seconds
  • ·designed scalable billing logic supporting recurring charges and variable rates to handle complex billing scenarios
  • ·collaborated with stakeholders to translate business requirements into technical solutions, iterating rapidly based on real-world client feedback
  • ·delivered production-ready features including authentication, rbac, invoice generation, and reporting
02/
software engineersep 2024 — mar 2025

hatchit solutions, cebu, philippines

20-35%faster page loads
~40-50%faster deploys
  • ·built and maintained hris and property management systems using next.js, react, nestjs, and typescript
  • ·optimized next.js routes and api handlers and refactored frontend and backend code, improving request efficiency and code maintainability
  • ·improved frontend performance through route optimization and lazy loading, reducing initial page load time by ~20-35%
  • ·containerized applications using docker, streamlining development and deployment workflows and reducing setup time by ~40-50%
  • ·solely architected the web and backend components of a property management system with secure qr voucher generation and validation
  • ·collaborated with a mobile developer to integrate a qr scanning mobile app, enabling real-time voucher verification via restful apis
03/
software developerjun 2023 — aug 2024

freelance, remote

e2efull-stack delivery
  • ·built a full-stack e-commerce platform using react, express.js, and node.js for a local clothing business
  • ·designed ui/ux in figma and architected database schema for products, orders, and users
  • ·built responsive frontend components using mantine ui, enhancing user experience and automating order workflows
  • ·provided ongoing maintenance, resolving client-reported bugs and ensuring stable system performance