Chung Tran Email & Phone Number

Ho Chi Minh City, Vietnam

•Published E-commerce website using Laravel, Shopify and React, designed in Microservice architecture and released payment gateway reducing drop-offs by 25%.•Designed and launched a KPI platform using Laravel, Laravel Nova and React to provide data-driven insights to executives, reducing the average time to resolve customer issues by 25% and increasing sales conversion rate by 15%.•Defined 80+ RESTful APIs using Laravel for E-commerce project, GraphQL APIs using ExpressJS and handled AWS DynamoDB to deal with dynamically formatted data.•Deployed a KPI project on AWS Lambda with API Gateway based on Serverless architecture and that way, reduced infrastructure costs by up to 30%.•Built a user management system using AWS Amplify and Cognito to cut off around 1-2 weeks for the AUTH system.•Mastered many AWS services like EKS, CloudFormation, RDS, S3, SQS, SES, IAM and many more.•Integrated a payment system for product checkout using Authorize.net payment API and overwhelmed 300+ transactions every week.•Wrote functional components using React.js and hooks, leveraged public builtin components and covered more than 90% of the codebase by test cases using JEST framework.•Experienced a start-up environment and culture as a cross functional developer and went through the whole SDLC from the scratch, dealt with stakeholders and clients directly for requirement collection.

Ho Chi Minh City, Vietnam

•Customized open source project by resolving more than 30 technical issues using React.js, Laravel and PostgreSQL with SQLAlchemy ORM.•Improved data accuracy to 80% via nodeJS and update that gathers historical lease, funding and employee data, and company information from Clearbit, Mattermark API and web scraping.•Cleaned, transformed and aggregated the 1M rows collected data to extract meaningful data.•Increased data querying performance 20% by optimizing 100+ SQL queries.•Technologies are Laravel, React, Pandas, ElasticSearch, PostgreSQL, AWS Redshift, AWS RDS, AWS EC2 and many 3rd party APIs like Crunchbase, MatterMark.•Launched 5 projects including e-commerce, booking system, SaaS and mobile application using Javascript/php frameworks like React, Next, Node, Laravel and Nest.•Created 300+ highly scalable RESTful APIs throughout 5 projects usingLaravel and NodeJS.•Chased TDD in most projects by using test frameworks like Mocha, JEST; pursued to write down test cases for +90% of codebase.•Created a TypeScript and ExpressJS middleware system to handle authentication and authorization; increased API call efficiency by 10% and reduced latency by 30%.•Configured a project infrastructure in AWS cloud (VPC, Subnet, Load Balancing, SSL, Auto Scaling, Routing), which boosted the application's stability by 25%.•Engineered an end-to-end automation process for the development team by implementing a CI/CD pipeline between AWS EKS and Github by leveraging AWS CodeBuild, CodePipeline and reduced deployment time by 40%.