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Senior Frontend Engineer with 8+ years of experience designing and scaling enterprise web applications, building design systems, and delivering AI-powered products. Proven track record leading technical initiatives and shipping business-critical systems used by millions of users and Fortune 500 organizations. Specialized in TypeScript, React, and frontend architecture with a focus on performance and accessibility (WCAG 2.1). Experienced in AI products, RAG applications, analytics platforms, spec-driven development, and mentoring teams through design system and micro-frontend practices.…Senior Frontend Engineer with 8+ years of experience designing and scaling enterprise web applications, building design systems, and delivering AI-powered products. Proven track record leading technical initiatives and shipping business-critical systems used by millions of users and Fortune 500 organizations. Specialized in TypeScript, React, and frontend architecture with a focus on performance and accessibility (WCAG 2.1). Experienced in AI products, RAG applications, analytics platforms, spec-driven development, and mentoring teams through design system and micro-frontend practices.

Davidy Hertz

Front-End Developer, Product Designer, Web Developer, +1

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Senior Frontend Engineer with 8+ years of experience designing and scaling enterprise web applications, building design systems, and delivering AI-powered products. Proven track record leading technical initiatives and shipping business-critical systems used by millions of users and Fortune 500 organizations. Specialized in TypeScript, React, and frontend architecture with a focus on performance and accessibility (WCAG 2.1). Experienced in AI products, RAG applications, analytics platforms, spec-driven development, and mentoring teams through design system and micro-frontend practices.…Senior Frontend Engineer with 8+ years of experience designing and scaling enterprise web applications, building design systems, and delivering AI-powered products. Proven track record leading technical initiatives and shipping business-critical systems used by millions of users and Fortune 500 organizations. Specialized in TypeScript, React, and frontend architecture with a focus on performance and accessibility (WCAG 2.1). Experienced in AI products, RAG applications, analytics platforms, spec-driven development, and mentoring teams through design system and micro-frontend practices.

Available to hire

Senior Frontend Engineer with 8+ years of experience designing and scaling enterprise web applications, building design systems, and delivering AI-powered products. Proven track record leading technical initiatives and shipping business-critical systems used by millions of users and Fortune 500 organizations.

Specialized in TypeScript, React, and frontend architecture with a focus on performance and accessibility (WCAG 2.1). Experienced in AI products, RAG applications, analytics platforms, spec-driven development, and mentoring teams through design system and micro-frontend practices.

Skills

Work Experience

Senior Product Engineer

July 1, 2025 - Present

Led the design and delivery of a multi-tenant BI platform supporting 500+ vendor connectors and 15+ Fortune 500 customers. Defined frontend architecture standards and reusable development patterns adopted across engineering teams. Directed strategy and company-wide adoption of a design system with 60+ reusable components. Designed an administrative control plane for AI pipeline orchestration and tenant management. Focused on scalable frontend engineering practices and reusable UI architecture for multi-tenant environments.

Senior Frontend Engineer at Zenklub / Conexa Saúde

March 1, 2022 - July 1, 2025

Led delivery of strategic initiatives impacting 2M+ users and 300+ partner organizations. Architected and launched a multimedia content platform to increase user engagement and retention. Achieved Lighthouse scores above 90 and ensured WCAG 2.1 compliance across patient and professional platforms. Implemented an AI-integrated medical records solution contributing to a 25-point NPS improvement over three quarters.

Senior Frontend Developer at Elofy

July 1, 2021 - March 1, 2022

Led migration from AngularJS to React and introduced a micro-frontend architecture to improve scalability. Focused on frontend modernization, componentization, and incremental architecture improvements aligned with scaling needs.

Frontend Lead at Clientar

March 1, 2019 - July 1, 2021

Modernized a CRM platform, reducing technical debt by 70% and improving overall maintainability. Delivered a server-driven UI platform that reduced customization requests by 82%. Established scalable frontend foundations and engineering processes to accelerate development velocity across the team.

Full-Stack Developer at ECOMp

February 1, 2018 - February 1, 2019

Developed software features and mentored contributors in a student-led technology organization. Contributed to implementation work while supporting knowledge sharing and onboarding for team members.

Brand/UI Designer at Oh Yes Studio

February 1, 2016 - February 1, 2018

Designed scalable brand identities and high-fidelity UI/UX prototypes, boosting user engagement and visual consistency across digital platforms.