valdery junior

Full stack engineering for Swap Commerce, an all-in-one ecommerce operations platform with AI/agentic shopping experiences for online brands. Built the frontend for Paul Smith's AI-powered shopping experience in about a month, landing the company's first enterprise-level client.

Worked on the transactional security team of Sicredi, a large Brazilian bank. Replaced manual document review with a facial recognition workflow using React and AWS Rekognition, validating more than 2,400 customer documents per month.

Worked on the checkout squad of Vivo, a large Brazilian telecom provider. Reduced payment fees by integrating an iframe payment method and rebuilt the mobile plan checkout experience.

Delivered a complete React + Node.js coupon platform in under one week, bringing in more than 3,000 new leads. Implemented new features in the company's flagship platform under startup constraints.

Developed merchant and customer portals using Angular and React, delivering features like dynamic pricing, promotions, and real-time statistics. Documented all API endpoints in Postman and built integration code for SkyTEF payment machines.

Completed a professional certificate in front-end web development with React, covering React, TypeScript, and React Native.

Earned the AWS Certified Developer - Associate certification, demonstrating proficiency in developing and maintaining applications on Amazon Web Services.