Years of experience: 7
System ArchitectDatabase DeveloperVR DeveloperWeb DeveloperTraderCFO
Trust Score
Exceptionally trusted; proven professional excellence.
Sebastian's Career Path
Dec. 2022 -May. 2025
ImagemakerSoftware Engineer
Chile•Increased system efficiency by migrating legacy systems to React.js and Node.js, integrating them with AWS services (Serverless, Lambda, API Gateway), and reducing operating costs by 20%. • Designed ETL workflows with AWS Glue to handle large data volumes (CSV, JSON, Parquet), processing 1 TB of data. • Integrated e-commerce solutions with the Shopify API and React, increasing transactions b...
Jan. 2022 -Dec. 2022
AFEX CHILEFull Stack Developer
Chile• Improved the Afex Connect platform (Web & Mobile) for 5,000 users using React.js, Angular, Node.js, AWS and React Native, ensuring reliability. • Utilized AWS services (Cognito, S3, CloudFront, SES, SNS, SQS, Amplify) to build a fully serverless ecosystem and almost 20 new services. • Amplified customer engagement by 40% with a real-time chatbot built using Socket.IO, Node.js and React.js. ...
Apr. 2020 -Jan. 2022
Cencosud ScotiabankDev Web Expert
Chile• Enhanced application performance metrics, resulting in a 25% faster load time through SEO and Analytics integration with micro-frontends built with React.js, Next.js and Angular. • Created Backend-for-Frontend (BFF) pattern with Node.js, achieving a 40% reduction in response time and improving communication between microservice and external APIs. • Configured and managed a CMS, documented i...