Marce Candil
Product Engineer — Web & AI (React/Next.js)
I build fast, accessible web apps with React/Next.js + AI—measured by Core Web Vitals, technical SEO, and conversion.
About Me
I’m Marce, a Product Engineer focused on the web (React/Next.js + AI). I turn business goals into interfaces that load fast, rank, and convert.
What I focus on
• Performance & Core Web Vitals — ship speed users feel. • Technical SEO & analytics — make growth measurable. • AI automation — remove toil, keep teams moving.
How I work
• Partner with design, product, and marketing to deliver end-to-end. • Pragmatic, outcome-driven, and hands-on.
Work Experience
Senior Software Engineer
Endava
Nov 2021 – PresentLed web platforms for global brands. Micro‑frontend architecture (Module Federation), HubSpot CMS integration, and standardized testing (Playwright/Testing Library). Drove the technical roadmap with design and stakeholders to raise quality and delivery speed.
Software Engineer
Globant
Mar 2019 – Nov 2021Contributed to large‑scale advertising platforms: authentication, modular frontend architecture, and Highcharts data viz. Introduced micro‑frontend patterns and strengthened testing for stability and maintainability.
Frontend Developer Intern
Globant
Mar 2019 – Aug 2019Built internal tools in React, applying testing best practices and agile workflows within global teams.
Services
Clear outcomes, no friction
Web apps & platforms
React/Next.js, Node, APIs, SSR/ISR.
Marketing sites & CMS
Next.js, HubSpot CMS, technical SEO.
Design systems
Storybook, AA/AAA accessibility, design tokens.
Performance & SEO
Core Web Vitals, caches, CDN, optimization.
AI integration
RAG, assistants, workflow automation.
Companies that trust my work
I've had the privilege of collaborating with leading companies across different industries
Endava
Globant
Quantcast
Deluxe
Gala Games
Endava
Globant
Quantcast
Deluxe
Gala Games
Endava
Globant
Quantcast
Deluxe
Gala Games
What colleagues and clients say
Alfonso Esteves
Senior Java Developer at Quantcast
"Marcelo has played a crucial role in the development of the UIs in Quantcast. He has a solid knowledge of JavaScript and React. He always makes efforts to improve the quality of the code and the tests. He was the main contributor introducing Cypress tests on our apps, which was a major success case. Also, he’s a great team player—always willing to help and to incorporate feedback."
Vishnu Krishnaprasad
Engineer at Quantcast
"Marcelo was one of the top frontend engineers I’ve worked with. He joined as a junior and quickly picked up React and JavaScript. He contributed to many frontend projects and ended up leading some of them. Always receptive to feedback, consistently delivering on time—Marcelo is an asset to any team."
Ihara Alvez
Frontend Developer at Endava
"Marcelo was my mentor and career coach at Endava. From day one, he proved to be an invaluable teammate—proactive, insightful, and always ready to help. His technical expertise, attention to detail, and genuine desire to grow make him a driving force in any project. Marcelo ensures high-quality results and uplifts those around him with his leadership and dedication."
Barbara Prats Pannunzio
UX/UI Designer at Endava
"Working with Marcelo was a pleasure. Not only is he an excellent professional, but also an empathetic person who’s easy to collaborate with. He was proactive, offered meaningful technical suggestions, and ensured everything was delivered on time. He consistently led the team with a clear focus on feasibility, usability, and business value. Marcelo has an eagle eye for detail—his implementation of my UI designs was spot-on. Transparent, humble, and highly effective—he’s the kind of person you want next to you when facing big challenges."
Guides for frontend teams
Actionable content on React/Next.js, performance, architecture, and AI applied to product.
For recruiters
Key profile and availability details.