Braian Bernatto

Lead Frontend Developer

• Architecture & Modernization — Architected and led the technical migration to a modern frontend ecosystem, significantly reducing load times and optimizing server state management for an enterprise banking platform.
• Quality Assurance — Established comprehensive testing standards and enforced strict code-quality guardrails via ESLint and automated formatting, increasing deployment reliability to production.
• Technical Leadership — Kept the codebase self-documenting through living in-repo documentation — a curated README paired with auto-generated TSDoc component reference — streamlining the development lifecycle and drastically reducing the onboarding time for new developers.

Tech: React.js · TypeScript · shadcn/ui · TailwindCSS · Zustand · TanStack Query · Zod + RHF · Storybook · Vitest

Frontend Developer

• Web & Mobile Delivery — Developed and maintained complex web and mobile applications using React.js and React Native, strictly adhering to modern coding standards.
• Cross-functional Collaboration — Collaborated with cross-functional teams during requirements gathering, providing technical insights to define project scope and feasibility.
• API Integration & Performance — Integrated frontend UI components with backend APIs, optimizing rendering cycles and overall application performance.
• Debugging & UI Testing — Executed thorough debugging protocols and UI testing, reducing bug incidence and ensuring high-quality product delivery.

Tech: React.js · React Native · TypeScript · MaterialUI · Jotai

Full-Stack Developer

• Tender Contract Monitoring — Developed a web application to monitor government tender contract balances, delivering real-time visual reports and reducing execution errors by 90%.
• Date & Holiday Calculator — Built a dynamic date and holiday calculator tailored for Paraguay's calendar, accelerating the audit process by 80% across multiple government departments.

Tech: Next.js · TailwindCSS · Node.js · Express · PostgreSQL · Strapi · Chart.js · JWT

Full-Stack Developer

• String Generator App — Engineered a robust string generator web application equipped with CRUD operations and authentication features, reducing typos by 90% in the preparation of critical documents.

Tech: EJS · CSS · JavaScript · Node.js · Express · PostgreSQL

Lead Frontend Developer · Tu Financiera

• Architecture & Modernization — Architected and led the technical migration to a modern frontend ecosystem, significantly reducing load times and optimizing server state management for an enterprise banking platform.
• Quality Assurance — Established comprehensive testing standards and enforced strict code-quality guardrails via ESLint and automated formatting, increasing deployment reliability to production.
• Technical Leadership — Kept the codebase self-documenting through living in-repo documentation — a curated README paired with auto-generated TSDoc component reference — streamlining the development lifecycle and drastically reducing the onboarding time for new developers.

Tech: React.js · TypeScript · shadcn/ui · TailwindCSS · Zustand · TanStack Query · Zod + RHF · Storybook · Vitest

Full-Stack Developer

• Shipped a multilingual experience with next-translate across multiple languages.
• Integrated Google Maps API for location and a custom HTML5 theme.

Tech: Next.js · Google Maps API · Custom HTML5 Theme · next-translate

Full-Stack Developer

• Delivered real-time visual reports on tender contract balances.
• Reduced execution errors by 90% across audited processes.

Tech: Next.js · TailwindCSS · Node.js · Express · PostgreSQL · Strapi · Chart.js · JWT

Computer Science & Programming