Jethro Cabaluna

Experience

SiteMinder

Senior Software Engineer

June 2021 — present

• Working with the Multi-Property product, enabling hotel chains to efficiently manage room rates across their properties and integrate with external booking platforms and property management systems
• Enhance data syncing with the use of AWS lambda, kinesis, and SQS
• Strengthened monitoring and alert system with Prometheus, Grafana, Graylog, Cloudwatch, Pagerduty
• Managed deployments using Kubernetes, Terraform, Buildkite
• Developed frontend and backend features with Typescript, Nodejs, Vue, Graphql, MySQL
• Write end-to-end and unit tests with high coverage using jest, cypress, vue testing library
• Led a 6-month project from research to development, collaborating cross-functionally

Experience

Lokal App

Freelance Backend and CMS Developer

February 2021 — August 2022 (discontinued)

• Work part-time as a Full Stack Developer for a start-up project about an e-commerce mobile app
• Created a Firebase function to serve as an API server, and uses Firestore as the primary database solution
• Integrated Algolia for advanced search and filtering, syncing data from Firestore
• Developed a custom Content Management System (CMS) for administrators using React

Experience

Haven, Inc (now FourKites)

Software Engineer

November 2019 — June 2021

• Maintained a legacy web application for automating logistics in the ocean freight industry, utilizing Angular2 and LoopBack 2 technologies
• Specialized in the "track and trace" feature, employing web scraping techniques to gather data from various ocean freight companies' websites
• Integrated collected data into the application, consolidating and presenting shipment statuses in a comprehensible format for customers
• Designed and integrated a new feature with React, GraphQL, and NestJS into the main application, providing customers with insights into shipment risks

Experience

Code and Theory

Software Engineer

May 2018 — November 2019

• Work on building mobile-first responsive websites with top-notch designs and visuals by our designers
• Have been assigned to multiple projects and had an opportunity to work with vast range of technology with the old and new clients
• Work mostly on the redesign of the company's own website www.codeandtheory.com with React, Node.js, GraphQL, and CrafCMS

Experience

Trend Micro

Threat Response Engineer

August 2016 — February 2018

• Analyzed various types of malware including worms, trojans, and ransomware to identify their behavior and potential threats
• Utilized tools like OllyDbg and IDA Pro to analyze and reverse-engineer malware code
• Developed scripts using an internal tool to detect multiple variants of malware by identifying patterns in assembly code
• Demonstrated expertise in reverse engineering and malware analysis, leading to improved threat identification

Projects

Tellete

2022

• Web3 app that provides a privacy-focused decentralized messaging app
• Made a smart contract using solidity, hardhat, and deployed to Polygon's Mumbai testnet
• Made and deployed a Next.js app that uses the deployed smart contract for the messaging functionalities
• Uses tRPC and zod for making the end-to-end typesafe APIs
• Transactions with the smart contract happens on the backend with a dedicated account with enough MATIC for testing, so users just need to signup with their Metamask account and provide a signature for authorization and authentication purposes
• Uses asymmetric encryption technique for the messages