Lucas – Svelte.js, Typescript, Svelte-kit

It's the largest CRM company in Latin America that combines CRM, CPQ, ERP, and integrations to help companies manage their entire commercial process.

• Acted as technical lead for CRM–ERP integrations (Sankhya, Omie), ensuring reliability, scalability, and data consistency.
• Redesigned real-time pricing and tax calculation with an asynchronous queue-based architecture, improving performance, accuracy, and maintainability.
• Architected a shared-state solution across Svelte and React micro-frontends for real-time data synchronization and reliable communication.
• Developed new Svelte web components (multi-step workflows, data tables, dynamic forms, file uploaders), enhancing UX for thousands of users.
• Implemented AI-powered documentation workflows that auto-generate technical docs, release notes, and architectural references from development artifacts.
• Established an AI-assisted Spec-Driven Development process, transforming product requirements into structured specs and accelerating delivery.
• Implemented an AI-powered multi-agent workflow for support ticket triage and categorization, reducing manual effort and improving response efficiency.

It's a Human Resources and Payroll Management platform that automates payroll processing, workforce administration, time tracking, recruitment, benefits management, and compliance workflows.

• Led end-to-end development of a cross-platform workforce management application, owning the full lifecycle from stakeholder discovery to production delivery.
• Conducted requirements gathering, stakeholder workshops, technical planning, and architecture design, translating business needs into scalable technical solutions.
• Designed and implemented a mobile-first application using SvelteKit, Svelte, TypeScript, and Capacitor for native mobile experiences across platforms.
• Developed a desktop version using Tauri and Rust, enabling a unified codebase across mobile and desktop.
• Created technical specifications, user flows, and TDD test plans for critical business features to support efficient execution and long-term maintenance.
• Built reusable UI components with Tailwind CSS and DaisyUI, improving development velocity and ensuring consistent UX across devices.

It's a wellness and hospitality music platform that helps spas, hotels, resorts, and wellness centers create personalized guest experiences through scientifically designed soundscapes and multi-zone audio management.

• Led end-to-end development of a cross-platform desktop application for multi-zone audio management in hospitality and wellness environments.
• Translated Figma designs into a production-ready desktop experience optimized for operational users and audio management workflows.
• Integrated the front-end with Rust-based native services for audio device discovery, speaker management, and audio streaming.
• Developed real-time synchronization features using WebSockets for consistent state management and playback coordination across devices and operating systems.
• Implemented multi-zone audio controls allowing independent music routing to different speaker outputs and channel configurations.
• Architected communication between desktop UI components and native system services for reliable interaction with hardware-level audio resources.

It's an AI-powered knowledge management and corporate communication platform that helps organizations centralize information, collaborate more effectively, and leverage artificial intelligence to improve productivity.

• Developed a modern SPA and Progressive Web App (PWA) using SvelteKit, Svelte, and TypeScript.
• Implemented real-time communication features using WebSockets for notifications, messaging, and live content feeds.
• Designed and developed reusable UI components, including file uploaders, previews, date pickers, and content publishing workflows.
• Created a native localization framework supporting English, Spanish, and Portuguese, improving accessibility for international users.
• Implemented responsive, mobile-friendly experiences while maintaining feature parity across devices.
• Developed scalable state management and data synchronization patterns for real-time user interactions.
• Established reusable development patterns that improved code consistency and accelerated feature delivery.

It's a Human Resources and Payroll Management platform used by HR departments, payroll specialists, managers, and employees. The platform supports workforce administration, payroll processing, employee self-service, and more.

• Served as technical lead, improving developer experience and automating operational processes through custom tooling, including BiomeJS configuration and reusable code snippets.
• Led refactoring of web components from Lit Element to Svelte, reducing error rates and improving performance by 40% through a complete state machine architecture revision.
• Conducted a comprehensive overhaul of the dynamic forms system, reducing new support tickets by approximately 60%.
• Implemented ARIA attributes and responsive layouts across the application, making it fully accessible to screen readers and mobile devices, significantly improving client satisfaction.
• Established and led weekly technical knowledge-sharing sessions, improving team expertise, code consistency, and overall project understanding.