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Work Background
ImagemakerSoftware Engineer
Dec. 2022 - May. 2025Chile•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 by 35% through micro-frontends and a Node.js backend with AWS Lambdas. • Applied TDD with Jest and React Testing Library, increasing test coverage by 15% and documenting the process in Confluence. • Enhanced project visibility and team productivity by 30% through active involvement in over 40 Agile/Scrum planning sessions using JIRA. • Created RESTful APIs to enhance backend functionality and improve user experience with 25% faster load times.
AFEX CHILEFull Stack Developer
Jan. 2022 - Dec. 2022Chile• 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. • Optimized user experiences with React Hooks, reducing time-tointeractive and re-renders by 90%. • Followed Scrum with JIRA for task tracking and applied CI/CD best practices (GitFlow, Jenkins) across 24 sprints. • Mentored 3 junior developers and conducted code reviews ensuring best practices and high coding standards.
Cencosud ScotiabankDev Web Expert
Apr. 2020 - Jan. 2022Chile• 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 internal libraries using Storybook, and created over 30 new components. • Implemented CI/CD pipelines (Bitbucket, Jenkins, Docker, Argos CD), reducing deployment time by 40%. • Performed automated tests with Jest and manual API tests with Postman, documenting approximately 40 endpoints in Confluence. • Boosted web application performance by 50% through code refactoring and effective debugging.
InovaBizFrontend Developer
Mar. 2019 - Apr. 2020Región Metropolitana de Santiago, Chile• Supervised servers in Azure DevOps, Jenkins, and Argos CD for development, staging, and production, ensuring 100% availability. • Delivered 5 comprehensive microservice-based applications on ChileCompra and Mercado Público platforms, utilizing React and Java APIs. • Increased testing coverage by 20% through TDD practices with Jest and Postman for React/Node.js apps, documented APIs using Swagger. • Migrated the backend architecture to AWS Serverless and MongoDB, resulting in a 30% performance improvement. • Guided 5 Scrum sprints using JIRA and Confluence for iterative project planning and task prioritization. • Developed responsive web applications using HTML, CSS/SASS and JavaScript, enhancing user engagement by 25%.
VolltechSoftware Engineer
Jun. 2018 - Mar. 2019Valparaíso, Chile• Directed 3 ERP development projects for the holding company using the MERN stack and SQL Server. • Achieved 25% faster performance by migrating 5 PHP/jQuery applications to Node.js and React.js, improving performance and security. • Automated 100 deployment processes across virtualized environments using Shell scripts. • Developed a real-time virtual assistant chatbot, handling 200 concurrent users with Node.js Sockets. • Led a project to migrate legacy systems to cloud-based architecture, reducing operational costs by 30%. • Optimized database queries and improved application performance by 40% through efficient coding practices.
Fixa SpADeveloper
Jan. 2018 - Jun. 2018Región de Valparaíso, Chile• Administered 4 accounting software solutions in PHP, React, Node, and SQL for various clients. • Improved workflow efficiency by 30% through MERN stack applications. • Boosted performance and scalability in cloud environments with codebase improvements, achieving a 30% efficiency increase. • Achieved a 95% client satisfaction rating by providing technical support and troubleshooting services.
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