leonardotdleal

Senior Frontend Software Engineer

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Senior Front-end Software Engineer with over 10 years of experience building digital products, specializing in Vue JS, React, and Typescript. Background in financial products such as Accounting, Tax Filings, and business banking applications. Skilled in design systems, modern front-end architecture, large-scale migrations, micro front-ends, and continuous improvements to Developer Experience. With experience across big tech, early-stage startups, and scale-ups, I am recognized for my relentless focus on high-quality delivery and my ability to turn complex challenges into efficient, scalable, and user-centric interfaces.

Experience: 11 years

Yearly salary: $80,000

Hourly rate: $40

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil

Experience

Software Engineer - Mobile
Ruvo
2025 - 2025
Refactored and built the initial architecture to launch the application’s MVP for investors. Created reusable components, standardized error and alert messaging, implemented push notifications, and developed reusable style foundations. Authored onboarding documentation to help new developers set up and run the application locally. Published the mobile app on the Apple App Store and Google Play Store.
Software Engineer - Frontend & Mobile
Kamino
2022 - 2022
Designed and launched a platform enabling Brazilian companies to create offshore business structures in the U.S. Developed a business banking application using Flutter.
Senior Software Engineer - Frontend
Firstbase.io
2022 - 2026
Analyzed, planned, and developed new features and projects. Built multiple modules within the platform, including Banking, Raise, Accounting, Tax, and Insurance. Onboarded and mentored new developers. Authored an internal guide for API documentation to help the engineering team maintain consistency across all APIs.
Software Engineer - Frontend
Conta Azul
2019 - 2022
Developed an accounting system tailored for accountants. Improved and contributed to the company’s Design System.
Software Engineer - Frontend
Zup IT Innovation
2019 - 2019
Built an MVP for monitoring truck and driver resources.
Software Engineer - Frontend & Desktop
Totvs SA
2012 - 2019
Developed the company’s Design System. Unified the frontend for three different HR backends to deliver a consistent user experience across the Totvs brand.

Skills

node
react
typescript
vue
front-end
english
portuguese
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