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I'm a Front-End Developer with a strong track record at Oracle, specializing in JavaScript/TypeScript, React/Preact, and Oracle JET. I lead front-end work across Retail and Life Sciences, delivering enterprise-scale apps and mobile solutions that perform well offline and online. I enjoy turning complex requirements into maintainable, scalable web experiences and mentoring teammates to grow their capabilities. Before moving into tech, I worked in finance and consulting, bringing strong analytical skills and a results-driven mindset to every project. This background shapes how I collaborate with stakeholders, translate business needs into clean code, and deliver user-friendly interfaces that drive value for global teams and customers.…I'm a Front-End Developer with a strong track record at Oracle, specializing in JavaScript/TypeScript, React/Preact, and Oracle JET. I lead front-end work across Retail and Life Sciences, delivering enterprise-scale apps and mobile solutions that perform well offline and online. I enjoy turning complex requirements into maintainable, scalable web experiences and mentoring teammates to grow their capabilities. Before moving into tech, I worked in finance and consulting, bringing strong analytical skills and a results-driven mindset to every project. This background shapes how I collaborate with stakeholders, translate business needs into clean code, and deliver user-friendly interfaces that drive value for global teams and customers.

JOÃO TAVARES

Front-End Developer, Full Stack Developer, Web Developer, +2

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I'm a Front-End Developer with a strong track record at Oracle, specializing in JavaScript/TypeScript, React/Preact, and Oracle JET. I lead front-end work across Retail and Life Sciences, delivering enterprise-scale apps and mobile solutions that perform well offline and online. I enjoy turning complex requirements into maintainable, scalable web experiences and mentoring teammates to grow their capabilities. Before moving into tech, I worked in finance and consulting, bringing strong analytical skills and a results-driven mindset to every project. This background shapes how I collaborate with stakeholders, translate business needs into clean code, and deliver user-friendly interfaces that drive value for global teams and customers.…I'm a Front-End Developer with a strong track record at Oracle, specializing in JavaScript/TypeScript, React/Preact, and Oracle JET. I lead front-end work across Retail and Life Sciences, delivering enterprise-scale apps and mobile solutions that perform well offline and online. I enjoy turning complex requirements into maintainable, scalable web experiences and mentoring teammates to grow their capabilities. Before moving into tech, I worked in finance and consulting, bringing strong analytical skills and a results-driven mindset to every project. This background shapes how I collaborate with stakeholders, translate business needs into clean code, and deliver user-friendly interfaces that drive value for global teams and customers.

Available to hire

I’m a Front-End Developer with a strong track record at Oracle, specializing in JavaScript/TypeScript, React/Preact, and Oracle JET. I lead front-end work across Retail and Life Sciences, delivering enterprise-scale apps and mobile solutions that perform well offline and online. I enjoy turning complex requirements into maintainable, scalable web experiences and mentoring teammates to grow their capabilities.

Before moving into tech, I worked in finance and consulting, bringing strong analytical skills and a results-driven mindset to every project. This background shapes how I collaborate with stakeholders, translate business needs into clean code, and deliver user-friendly interfaces that drive value for global teams and customers.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Advanced

Spanish; Castilian

Intermediate

Work Experience

Consultant & Lead Front-End Developer at Oracle

January 1, 2020 - Present

Leading front-end development across Retail and Life Sciences divisions, contributing to four major enterprise projects plus internal initiatives. Expertise in JavaScript/TypeScript, React/Preact, Oracle JET, Oracle APEX (low-code platform), and mobile solutions. Key projects and achievements include: Clinical Trials Platform Migration (Life Sciences) migrating from AngularJS to Oracle JET with a Preact framework to modernize the front-end architecture for improved performance and maintainability; State Government Agency, Pennsylvania (Retail) leading front-end development for a customized Supplier Portal; Major Luxury Retailer, France (Retail) developing a mobile solution for stock counts, transfers, and returns management with offline-capable support; Major Online Retailer, UK (Retail) delivering a customized Supplier Portal with a Smart Item Hub for catalog operations; Oracle Internal Project for a Project Manager Accreditation portal to streamline certification processes.