Luiz Fernando

Remote

• Used a full AI workflow with Claude, Cursor, and Codex from discovery to production, including requirement shaping, spec drafting, implementation, review, and release readiness.
• Made targeted backend adjustments with an AI assistant to help the team diagnose issues faster and unblock delivery.
• Improved onboarding conversion by designing and shipping new pages and UX upgrades in onboarding flows that had been largely untouched for more than five years.
• Owned and maintained critical onboarding journeys from sign-in through post sign-in, including identity, compliance, and policy-driven user states.
• Built and scaled Storybook-based Unified Onboarding documentation and scenario coverage, with reusable stories for success, error, regional, and compliance variants to reduce regressions and speed delivery.

Remote

• Built full-stack fintech and blockchain features for the MoneyGram non-custodial wallet ecosystem serving remittance and digital asset use cases.
• Delivered USDC on-ramp and off-ramp experiences on Stellar, covering transactional flows, edge cases, and integration touchpoints across services.
• Researched onboarding and account workflows using Rust and Soroban to evaluate secure and scalable alternatives for future platform capabilities.
• Coached engineers through pair and mob programming sessions and collaborated with senior stakeholders on roadmap priorities and implementation sequencing.

Sao Paulo, Brazil

• Led engineering for educational financing and course-purchase platforms with direct impact on acquisition and conversion journeys.
• Built credit application and checkout flows with TypeScript, Node.js, React, and PostgreSQL for reliable end-to-end operations.
• Improved product usability and flow consistency by collaborating closely with product and design stakeholders.
• Mentored engineers through planning, technical guidance, and structured code reviews to improve team output and confidence.

Sao Paulo, Brazil

• Developed fintech back-office systems for payment reconciliation in benefits-card operations with high operational accuracy needs.
• Built digital banking mobile features with React Native, including balances, wire transfers, and payment experiences.
• Created shared component libraries for React and React Native to standardize implementation across products.
• Built utility libraries for JavaScript and TypeScript to reduce duplicated logic and improve maintainability.