Daniel Angelone – Full-Stack CV

⚡ Professional profile

Full-Stack Developer with 20+ years of hands-on experience building high-performance web applications, e-commerce ecosystems, and enterprise platforms. Proven track record at Mercado Livre, Almaviva, MagnaSistemas, and Banco do Brasil/Mapfre. Combines deep front-end craftsmanship (modern JavaScript, TypeScript, and web technologies) with robust back-end engineering (Node.js, PHP, Python) and cloud-native infrastructure (GCP, AWS, Docker, CI/CD). Passionate about clean code, security-by-design, and delivering user-centric solutions that scale.

💼 Work experience

Full-Stack Developer · Almaviva Solutions Apr 2024 – present

Architected and delivered mission-critical web applications using modern JavaScript + TypeScript and PHP, reducing page load time by 32% through lazy loading and optimized API orchestration.
Led migration of legacy on-prem assets to Google Cloud Platform (GCP) using Cloud Storage, Cloud Run, and IAM policies, achieving 99.95% uptime and cutting infrastructure costs by 18%.
Implemented full CI/CD pipelines with GitHub Actions + Docker, automating testing and deployments — release frequency increased from bi-weekly to daily updates.
Designed secure RESTful APIs with rate limiting, authentication, and input validation, serving 150k+ monthly requests for enterprise clients.
Collaborated with product teams using design prototypes, reducing design-to-implementation time by 25% and ensuring accessible, user-centric interfaces.

Full-Stack Engineer · MagnaSistemas 2015 – 2024

Developed and maintained high‑traffic portals serving 2M+ monthly users, integrating React frontends with PHP backends and PostgreSQL clusters.
Optimized database queries and caching strategies (Redis, CDN), improving average response time from 850ms to 280ms.
Led security hardening initiatives: applied CSP, OWASP best practices, and automated dependency scanning, reducing critical vulnerabilities.
Managed hybrid infrastructure on AWS (EC2, RDS, S3) and GCP, using Terraform for infrastructure‑as‑code and reducing manual provisioning errors.
Mentored 5 junior developers, conducted code reviews, and established front‑end style guides (TailwindCSS + Storybook) to ensure consistency across 12+ internal projects.

Full-Stack & Integration Developer · Banco do Brasil · Mapfre Group 2010 – 2015

Developed enterprise intranet portals and customer‑facing tools with JavaScript, jQuery, HTML5/CSS3 integrated with PHP and legacy systems, reaching 10k+ internal employees.
Engineered secure data integration between SQL Server and Oracle databases, ensuring consistency for financial transactions and insurance policies.
Implemented version control workflows (Git + SVN) in regulated environments, improving collaboration and auditability across 3 cross‑functional teams.
Reduced manual effort by automating recurring tasks with Python scripts, saving 15+ hours per week for operations staff.

Web Developer (Consulting) · Multiple Clients · Fipecafi · Soluttia · KYU · HIS 2004 – 2010

Delivered full‑stack web solutions for clients in education, finance, and retail: custom CMS, administrative dashboards, and e‑commerce modules using PHP, MySQL, JavaScript.
Improved site performance and SEO for institutional websites
Built responsive, cross‑browser interfaces and integrated third‑party APIs (payment gateways, email marketing).
Acted as technical liaison between design and development teams, ensuring pixel‑perfect implementation without design tools overhead — focus on modern frontend principles.

Web Developer (Early Career) · Mercado Livre (e‑commerce giant) 2000 – 2004

Joined the Mercado Livre tech team during its hyper‑growth phase, contributing to website maintenance, feature development, and banner management for promotional campaigns.
Collaborated with marketing and product teams to implement front‑end components that increased user engagement metrics during seasonal campaigns.
Gained hands‑on exposure to high‑traffic e‑commerce architecture, performance monitoring, and agile practices — foundation for scalability mindset used in later roles.
Recognized for delivering bug‑free releases under tight deadlines, ensuring 99% uptime for critical user flows.

🎓 Education & continuous learning

🎓 Information Systems Bachelor
Centro Universitário FMU - FIAM-FAAM

📘 Modular Program: Website Creation & Development
Universidade Anhembi Morumbi

🧠 Specializations (ongoing)
Cloud Architecture (GCP/AWS) · Advanced React Patterns · DevSecOps

🛠️ Core tech stack

🎯 Front-end & UX

React / Next.js
Vue / Nuxt
TypeScript
TailwindCSS
Figma to code
Web Vitals

⚙️ Back-end & API

Node.js (Express)
PHP (Laravel)
Python (FastAPI)
REST / GraphQL
WordPress (headless)

☁️ Cloud & DevOps

GCP (Cloud Run, Storage)
AWS (EC2, RDS, S3)
Docker / K8s (basics)
GitHub Actions / CI/CD
Terraform

🗄️ Databases & caching

PostgreSQL
MySQL / MariaDB
MongoDB
Redis

🔒 Security & practices

OWASP Top 10
JWT / OAuth2
CSP / CORS
SAST / DAST

🌍 Languages & soft skills

🇧🇷 Portuguese – native

🇺🇸 English – advanced (C1) · technical fluency, meetings, documentation

🧠 Technical leadership 🤝 Cross-functional collaboration ⚡ Agile (Scrum/Kanban) 📊 Problem solving & mentoring

📌 Selected achievements & impact

Scalability: Refactored a monolithic PHP application into modular services (React + Node.js), handling 3x more concurrent users without additional infrastructure.
Cost reduction: Migrated static assets to GCP CDN and implemented auto‑scaling policies, saving $1.2k/month on cloud bills.
Security leadership: Introduced automated dependency scanning (Snyk) and regular penetration testing, achieving zero critical vulnerabilities in last 2 audits.
E‑commerce expertise: At Mercado Livre and later projects, optimized checkout flows and frontend performance, contributing to +15% conversion rate for a major client.