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Professional experience

Resume

Front-End / Web Developer working with CRO, performance and Martech in the financial sector.

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Professional summary

Front-End Developer with a Computer Science degree and a solid track record in the financial sector, building and evolving institutional portals via CMS, running digital experimentation, and driving data-driven performance optimization in large-scale digital operations (Santander Brazil). Works directly with design, product, and business teams, combining technical depth with strategic vision for continuous improvement of the user experience.

Professional experience

  1. –

    Math Group, assigned to Santander Financeira | São Paulo, Brazil

    Front-End Developer / CRO

    • Planned and implemented more than 60 digital experiments and personalizations using Oracle Maxymiser and Adobe Target, reaching a success rate close to 64%.
    • Strategic CTA repositioning on an insurance product, resulting in a nearly 48% increase in the conversion rate.
    • Optimized the vehicle financing journey, increasing by about 5% the number of users who advance to the offer.
    • Implemented the winning variant on the partner portal, boosting coupon usage by more than 84%, plus a new installment component that delivered a 30% conversion gain.
    • Delivered high-impact seasonal campaigns (Formula 1, Black Feirão), highlighted by a 29% conversion increase during the F1 campaign.
    • Refactored legacy pages, raising Google Lighthouse scores above 90 in performance, SEO, and accessibility.
    • Implemented tags and personalizations via Google Tag Manager, with data analysis in GA4 and behavioral research via Hotjar.

    Technologies

    • HTML
    • CSS
    • JavaScript
    • Adobe Target
    • Oracle Maxymiser
    • Google Tag Manager
    • GA4
    • Hotjar
    • Google Lighthouse

  2. –

    Math Group, assigned to Santander Brazil, Digital Business | São Paulo, Brazil

    Front-End Developer

    • Developed campaign pages, web stories, and new layouts for the Santander Brazil homepage, including the Blog Dark Mode, the Santander Select page, and the Divide o Pix page.
    • Built responsive, cross-browser compatible interfaces with HTML, CSS, JavaScript, Bootstrap, and React.
    • Continuous performance, accessibility, and SEO optimizations, improving loading efficiency and organic visibility of pages.
    • Implemented tags and custom events via Google Tag Manager to monitor KPIs and conversions.
    • Worked in an agile Scrum squad, managing deliveries in Azure DevOps and version control via GitHub and GitLab.

    Technologies

    • HTML
    • CSS
    • JavaScript
    • React
    • Bootstrap
    • Google AMP
    • Oracle CMS
    • Firebase
    • Google Tag Manager
    • GitHub
    • GitLab
    • Azure DevOps

  3. –

    Math Group, assigned to Santander Brazil | São Paulo, Brazil

    Support Analyst

    • Updated and swapped campaigns on the Santander Brazil institutional website and mobile app, following technical specifications for images, formats, and copy.
    • Published and managed content via Oracle CMS, ensuring technical compliance and visual consistency across pages.
    • Ensured quality and consistency of digital campaigns across all channels, within established deadlines.

    Technologies

    • Oracle CMS
    • HTML
    • CSS

  4. –

    Itaú Unibanco | São Paulo, Brazil

    IT Intern (Web Development)

    • Technical support for corporate intranet portal users and web page development with HTML, CSS, and PHP back-end.
    • Queried and manipulated data in SQL Server, and analyzed and handled tickets through the Maximo (IBM) system.
    • Took part in process improvement projects using Kaizen and Six Sigma methodologies, within an agile Scrum squad using JIRA.

    Technologies

    • HTML
    • CSS
    • PHP
    • SQL Server
    • JIRA

Technical skills

Web Development & UI
HTML5, CSS3, JavaScript (ES6+), TypeScript, React, Bootstrap, Google AMP, PHP, Mobile-First, Design Systems
CMS & Content Management
Oracle CMS, Adobe CMS, Page Creation/Editing/Publishing, WordPress Basics
SEO & Quality (QA)
Technical On-Page SEO, Indexability, Digital Accessibility (WCAG 2.1), Cross-Browser Testing
Performance & Experimentation
Google Lighthouse, A/B Testing, Adobe Target, Oracle Maxymiser, CRO, Journey Personalization
DevOps & Version Control
Git, GitHub, GitLab, Azure DevOps, Jira, Continuous Integration (CI)
Analytics, Data & Processes
Google Tag Manager (GTM), GA4, Hotjar, SQL Server, Scrum, Kanban
Design & Emerging Tools
Figma, Cloud (Azure, AWS), AI Applied to Development (Claude, ChatGPT, GitHub Copilot)

Education

  • Bachelor's Degree in Computer Science

    Universidade Paulista (UNIP), 2016 – 2021 | São Paulo, Brazil

Languages

  • Portuguese: Native
  • English: Basic-Intermediate

Actively focused on reading technical documentation, writing professional code and commit messages, and developing conversational skills.

Certifications

  • Microsoft Certified: Azure Fundamentals (AZ-900), Microsoft, 2026
  • Microsoft Certified: Azure AI Fundamentals (AI-900), Microsoft, 2026
  • Scrum Foundation Professional Certificate (SFPC), CertiProf, 2023
  • Google Analytics 4 Certification, Google Skillshop
Download resume (PDF)