Tiso Puccinelli

Advanced a crypto lending platform by implementing jurisdiction-specific KYC flows and enhancing user security with hardware-key MFA via WebAuthn. Improved developer experience by adding automated dead-code detection, i18n spellchecking, and better Storybook documentation with MSW mocking.

Led the Design Systems team (4 developers) and delivered cross-functional frontend changes across internationalization, accessibility, mobile, and app shell updates. Owned complex frontend initiatives including a WYSIWYG web editor, UI overhauls, and migrating a JavaScript codebase to TypeScript using AI-assisted tooling.

Helped build an all-in-one community platform for creators and brands, owning features such as automated workflows, theme customization, dark mode, and content internationalization. Strengthened developer experience by adding automated checks, improving component APIs, and introducing TypeScript, visual regression testing, and design systems.

Worked on a greenfield effort to expand the product into new markets by collaborating with Product and Design to deliver React + TypeScript features and Design System components. Mentored junior developers and raised code quality in CI with static analysis, type checking, unit tests, and improved coverage; also contributed an open-source enhancement involving path-finding algorithms and programmat

Improved onboarding registration by enhancing registration form flows to increase user conversion. Migrated existing pages to Next.js to decouple from legacy monolithic architecture and enable independent deployment, while contributing composable Design System components and revamping E2E testing to reduce CI time and improve reliability.

Built external REST API features and implemented requirements for BACEN compliance to support reliable service operations. Upgraded a Node.js monolith with extensive testing/refactoring for a safe deploy, improved developer experience with newer language features, and helped develop React dashboard components for a Stone Group open-source dashboard.

Delivered client applications and integrations using IBM Watson cognitive services, including creating and training conversational trees for chatbots. Developed and maintained IBM internal pages with design standards, including accessibility, internationalization, and quality control, and built internal tooling to detect common accessibility and style issues.

Completed a Bachelor's degree in Computer Science at Universidade São Judas Tadeu from 2014 to 2015.

Completed a Bachelor's degree in Information Technology at Fundação Armando Alvares Penteado from 2011 to 2013.