Otávio Augusto Passos Coelho

Senior Software Engineer

Hubstaff

Sep 2024 - Current (1 year 10 months)

• Maintained both legacy (Ruby on Rails + jQuery) and modern (VueJS, Ruby on Rails) codebases. • Built reusable components for the company's design system, ensuring consistency across applications. • Assisted in refactoring and improving the maintainability of older codebases. • Engaged in code reviews and knowledge-sharing to enhance team collaboration.

Senior Front End Engineer

Lean Tech

Sep 2022 - Jun 2024 (1 year 10 months)

• Spearheaded the migration of a 50% legacy codebase to Vue 3, resulting in a 30% performance boost and a more maintainable structure. • Designed and implemented an authentication standard using AWS Cognito, enhancing security and reducing auth-related issues by 60%. • Optimized caching mechanisms in a Java-based backend, enabling pagination and filtering, reducing API response times by 45%. • Led discussions with the design team to improve handoffs, cutting review cycles by 35% and accelerating time-to-market. • Developed and maintained a Backend-for-Frontend (BFF) Java API, improving data-fetching efficiency and reducing frontend/backend coupling.

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Senior Front End Engineer

Orbit Pages (Remote)

Apr 2022 - Aug 2022 (5 months)

• Led frontend architectural discussions, advocating for Atomic Design principles and scalable component structures. • Built new features and enhanced the design system, ensuring a consistent user experience across applications. • Mentored junior developers on frontend best practices, increasing onboarding speed and knowledge retention.

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Front End Engineer

Gaivota (Remote)

Sep 2020 - Apr 2022 (1 year 8 months)

• Reduced load time by 70% by optimizing the build pipeline of the design system. • Reduced overall package size by 50% through dependency analysis and dead code elimination. • Ensured unit testing adoption, achieving a 95% test coverage rate across frontend projects. • Maintained and evolved the internal component library, aligning with design system updates.

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Mid-Level Developer

HBSIS (now Ambev-Tech,

Apr 2019 - Jul 2020 (1 year 4 months)

• Acted as Tech Lead for Frontend, ensuring 90%+ test coverage in unit tests across multiple projects. • Improved frontend observability by integrating Datadog, enhancing real-time issue tracking. • Achieved a Lighthouse score of 97+ through performance tuning and asset optimizations.

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Junior Developer

HBSIS (now Ambev-Tech)

Feb 2018 - Jan 2019 (1 year)

• Developed a messaging PWA for Ambev's sales team, leveraging Vue.js & WebSockets for real-time communication. • Introduced Vue.js into the company, guiding backend engineers in building frontend applications. • Solely responsible for maintaining and improving a Java/Angular/MongoDB application, handling both engineering and direct user support.

Otávio Augusto Passos Coelho

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