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.

Remote

• Contributed to the Fuel open-source wallet using React, TypeScript, GraphQL, Playwright, and Jest in a fast-moving developer tooling environment.
• Enhanced Fuel UI design system components and improved consistency across wallet flows and shared interaction patterns.
• Improved the Fuel TypeScript SDK usability for blockchain node interactions, making integration paths clearer for external developers.
• Strengthened test reliability and code quality through better automated coverage and maintainable architecture decisions.

Remote

• Spearheaded development of Jump Finance, a decentralized exchange (DEX) on the NEAR blockchain.
• Built React-based trading interfaces with clear UX for wallet connection, swaps, and transaction feedback.
• Implemented Node.js backend services and Rust smart contracts to support secure and efficient transaction processing.
• Led estimation, prioritization, and cross-team communication between product managers and engineers to keep delivery on track.

Remote

• Built Sense Chat, a blockchain-based messaging app with React Native, WebRTC, EOS JS, and TypeScript.
• Implemented secure messaging with elliptic-curve encryption to protect privacy and user communications.
• Designed and shipped communication features for a decentralized context with strong reliability requirements.
• Balanced product speed and security concerns while iterating on user-facing chat experiences.