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Calil Christopher Jaudian

@calilchristopherjaud

Message

AWS Engineer at CI&T who cut AWS Lambda costs by 30% and builds Node.js and TypeScript services.

Philippines

Message

At CI&T, I build and own Node.js and TypeScript backend services for Vodafone DreamLab and Flight Centre Loyalty. I cut AWS Lambda costs by 30% and migrated CloudFormation templates to AWS CDK.

At Questronix Corp., I led development of InstaPay and PesoNet payment integrations for UnionDigital Bank, including fault-tolerant payment workflows with retries and idempotency. I’ve also developed e-commerce microservices at Snapmart Inc. and full-stack applications at Yondu Inc.

Experience

Work history, roles, and key accomplishments

Current

AWS Engineer

Current

CI&T

Aug 2024 - Present (2 years 2 months)

Build and own backend services in Node.js and TypeScript for international enterprise clients, including production support under DevOps best practices. Cut AWS Lambda costs by 30% by right-sizing function configurations with AWS Lambda Power Tuning.

NodeJS TypeScript AWS AWS CDK CloudFormation GitHub Actions AWS CodePipeline Amazon API Gateway AWS WAF OpenSearch Claude Code AI Agents Spec Driven Development

Node.js Developer

Snapmart Inc.

Feb 2024 - Jul 2024 (5 months)

Decomposed a monolithic Magento application into containerized Node.js microservices with serverless integrations, improving scalability and maintainability. Led end-to-end design, development and deployment of a feature-rich e-commerce backend platform.

NodeJS TypeScript Microservices Docker Serverless Unit Testing Code Review OpenAPI Postman

Full-Stack Software Engineer

Yondu Inc.

Mar 2023 - Feb 2024 (11 months)

Built and maintained full-stack web applications with React.js, Vue.js and Node.js/TypeScript. Designed secure RESTful APIs with input validation, authentication and consistent error handling.

React Vue.Js NodeJS TypeScript REST APIs Figma Analytics AWS Well Architected Framework

Node.js Developer

Questronix Corp.

Feb 2022 - Feb 2023 (1 year)

Led development of InstaPay and PesoNet payment integrations and domain transfer services for a digital bank. Built payments microservices covering fund transfers, daily limits and ring-fencing.