Lucas Ribeiro de Andrade e Carvalho

Senior Software Engineer
VTEX
Jan 2021– Dec 2024
Checkout team, Rio de Janeiro, Brazil

• Led the design and architecture of the payments section expansion for a new Checkout Experience using Next.js and Relay.js, prioritizing high performance and enabling rapid feature releases for flagship merchants. Played a key role in the successful launch of this platform, delivering a scalable and efficient solution tailored to the needs of high-profile merchants.

Payments team

• Migrated the in-store sales app to a new payment provider protocol, reducing inconsistencies and enabling new payment flow features. Decreased payment/order inconsistencies by over 85%, significantly improving transaction reliability.
• Developed bank transfer in-checkout solutions for Brazil and Colombia, enabling key merchants to onboard onto the platform. Enabled the successful onboarding of key merchants in Brazil and Colombia by implementing localized bank transfer solutions.

Software Developer
VTEX
2019–2021
In-store Purchases, Rio de Janeiro, Brazil

• Led the incremental migration of state management from Flux.js to Redux.js. This approach allowed for small, manageable changes at each step, simplifying code reviews and minimizing risk.
• Developed a Nearby In-Store Product Inventory feature, which enabled sales representatives to identify nearby stores with available inventory for products not in stock at the current location. This feature led to an increased sales conversion by helping sales reps identify alternative inventory from nearby stores, reducing the impact of stockouts.
• Designed and implemented a Cart Orchestrator feature to handle concurrent item changes in the salesman app, using optimistic UI techniques for smoother server synchronization and faster updates. As a result, I eliminated cart inconsistencies caused by concurrent changes, ensuring a more reliable and error-free user experience.

Software Developer Team Lead
Software Practices Laboratory
2016–2018
Campina Grande, Brazil

• Led a team of software developers in improving case management efficiency, ensuring that system features were optimized for performance and flexibility.
• Applied quality assurance practices, overseeing the development and execution of test plans to ensure robust product releases.