ARNOLD RAMOS

Chargeflow is the world's first fully automated chargeback platform, built by fintech and e-commerce entrepreneurs to combat the fastest-growing digital commerce threats and level the playing field against chargebacks and friendly fraud.

Notable Milestones

• Developed an event-based MCV dispute calculations triggered whenever a merchant's dispute data is ingested into the system, providing a quick overview of the customer's MCV value for CRM purposes. (Tech Used: AWS EventBridge, SQS, Node.js/Typesript)
• Developed a WebSocket-based data export solution to handle large datasets and convert them into CSV files. (Tech Used: AWS API Gateway WebSockets, React.js, SQS, DynamoDB, Node.js/Typescript )
• Created event-based email notifications for a Stripe product during user registration, platform deactivation, and invalid token detection (Tech Used: AWS Lambda, AWS Eventbridge, Loops Email Client Node.js/Typescript)
• Develop functionalities based on Dispute Events specifically for Won or Lost statuses. (Tech Used: AWS Lambda, SQS, Node.js/Typescript)
• Created centralized deployment workflows in Github, and Code Migration tasks (Tech Used: Github CI/CD, Node.js/Typescript)
• Involved in Data Quality Management which assures the consistency of the data for BI and Analytics purposes (Node.js/Typescript)

Trunkrs is a logistics provider specialising in same & next day delivery with an asset-light business model powered by innovative software.

Notable Milestones

• Developed Webhooks for Third Party Consumer for Delivery tracking status. (Node js Typescript, AWS SQS, Lambda)
• Implemented a Delivery Traceability System that aims to track the delivery whereabouts based on the stages and status of delivery which is useful for delivery dispute claims. Created a functionality around Hub Entrance and Exit events. Before EOD, data are processed and useful for decision makings for Next Day Deliveries (Tech Used: Node.js/TS, AWS Lambda (Cron), SQS, EventBridge )
• Implemented Event Driven functions based on individual Delivery/Shipment logs and status (Tech Used: Node.js/TS , AWS SQS, SNS, Lambda Eventbridge)
• Integrated third-party APIs (Tomtom, Google Maps) from external applications into web platforms for optimizing delivery routes of drivers.
• Developed RESTful APIs that facilitated seamless data exchange between clients and servers in a distributed environment.(Node.js/TS, AWS Lambda, API Gateway, Serverless)

Assigned to ABS-CBN Corporation, where IBM was the main IT service provider responsible for managing its enterprise applications and digital operations.

Notable Milestones

• Developed and Maintained Entertainment Websites of ABS-CBN Through CMS and implementing Advertising Components(Kentico CMS)
• Developed and enhanced Backend applications of IWantTv (one of their streaming platform), focusing on creating new endpoints for data fetching and database management.(Node.js, Loopback.js)

Philstocks is a full‑service, technology-oriented stock market brokerage in the Philippines offering both self-directed and broker-assisted trading.

Notable Milestone

• Collaborated in the development and maintenance of FIX parser, a system designed to parse data format from the TCP Server of the PH Market Feed, which is commonly utilized for data transfer ideal for such platforms. (TCP, C#)
  
• Developed internal tools for processing client and registration. (Vue.js, Node.js)
  
• Maintained and enhanced web application including tickers and real-time market data binding. (C#, Vue.js, Node.js)