AeroLeads people directory · profile
Rafael Caldeira Email & Phone Number
Senior Full Stack Developer
at
O3
1 work email found
@locaweb.com.br
1 phone found area 219
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Full Stack Developer
Location
São Paulo, Brazil
Company size
Who is Rafael Caldeira? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Rafael Caldeira is listed as Senior Full Stack Developer at O3, a with 72 employees, based in São Paulo, Brazil. AeroLeads shows a work email signal at locaweb.com.br, phone signal with area code 219, and a matched LinkedIn profile for Rafael Caldeira.
Rafael Caldeira previously worked as Freelance Software Developer at Esteemed Inc. and Founder & Lead Developer at Ravacode. Rafael Caldeira holds Bachelor Of Technology (B.Tech.), Information Technology, Systems Analysis And Development from Fatec Zona Sul.
Company email context
Email format at O3
This section adds company-level context without repeating Rafael Caldeira's masked contact details.
*@locaweb.com.br
68% confidence
AeroLeads found 1 current-domain work email signal for Rafael Caldeira. Compare company email patterns before reaching out.
Profile bio
About Rafael Caldeira
Hi there! I am a web developer with over 8 years of expertise in user-friendly, accessible, and optimal-performance web projects for notable organizations like MIT and Doctors Without Borders. I specialize in developing back-end and front-end code with automated tests on PHP and JavaScript, integrating systems through APIs, building container-based infrastructures, working with relational and non-relational databases, administrating servers, and continuous integration.
Listed skills include Windows, Microsoft Office, Active Directory, Photoshop, and 19 others.
Current workplace
Rafael Caldeira's current company
Company context helps verify the profile and gives searchers a useful next step.
O3
11 roles
Rafael Caldeira work experience
A career timeline built from the work history available for this profile.
Freelance Software Developer
Founder & Lead Developer
Freelance Software Developer
As a Full Stack Developer, I've developed solutions using the Drupal CMS (both headful and headless), PHP, JavaScript, and TypeScript (including React, Next.js, Node.js, and Express), as well as CSS (utilizing Sass and Tailwind).I've also carried out significant Drupal version upgrades (7, 8, 9, 10), worked on implementing faceted search using Apache Solr and Drupal, and also worked with cloud servers management (such as Acquia Cloud, Digital Ocean, Platform.sh, and AWS S3), automated tests/TDD (using PHPUnit and Jest), SEO, optimizing caching, client briefings, code reviews, mentorship, project workflows supervision, and documentation writing.
Software Engineer
As a Full Stack Software Engineer, I've created websites in PHP using the Drupal CMS, handling both back-end and front-end development with JavaScript (both vanilla and jQuery) and CSS (including Sass). I've also been involved in infrastructure as code using Docker, and managing multi-sites on Acquia Cloud Site Factory. Additionally, I've contributed to internal React projects and conducted manual testing on real devices as well as on BrowserStack.
Mar 2020 - Oct 2020
Developer
As a Full Stack Developer, I've created websites in PHP using the Drupal CMS, handling front-end development with JavaScript (including vanilla, jQuery, and React) and CSS (utilizing Sass and Stylus). I've developed Progressive Web Apps (PWAs) with React and implemented infrastructure as code with Docker. I've also been responsible for managing instances on AWS (EC2, RDS, S3, and Cloudfront) and Digital Ocean Droplets. Additionally, I've offered customer support and training, both remotely and on-site, and provided mentoring for new developers.
Jan 2017 - Jun 2019
Intern
May 2016 - Dec 2016
Support Analyst
Provided first-level technical support via phone to external hosting and e-mail clients.
May 2015 - Nov 2015
Service Desk Analyst
Provided first-level technical support via phone to internal clients for points of sale running on CentOS, Windows desktops, and proprietary software.
Sep 2013 - Jan 2015
Service Desk Assistant
May 2013 - Aug 2013
Apprentice
Nov 2012 - Apr 2013
Team & coworkers
Colleagues at O3
Other employees you can reach at o3world.com. View company contacts for 72 employees →
AP
Ajit Palav
Colleague at O3Washim, India
View →
MB
Michael Bernardo
Colleague at O3Philadelphia, Pennsylvania, United States
View →
AH
Ahmet Haithem
Colleague at O3Istanbul, Türkiye, Turkey
View →
CT
Cindy Tellier
Colleague at O3Merrimack, New Hampshire, United States
View →
DI
Diego Interiano
Colleague at O3Guatemala City, Guatemala
View →
JC
Jessica Cross
Colleague at O3Philadelphia, Pennsylvania, United States
View →
JO
Jackie Ost
Colleague at O3Philadelphia, Pennsylvania, United States
View →
TH
Terry Huang
Colleague at O3Brooklyn, New York, United States
View →
AB
Allison Buzzanga
Colleague at O3Philadelphia, Pennsylvania, United States
View →
PK
Preet Kaur
Colleague at O3Haryana, India
View →
Ajit Palav
Colleague at O3Washim, India
View →
MB
Michael Bernardo
Colleague at O3Philadelphia, Pennsylvania, United States
View →
AH
Ahmet Haithem
Colleague at O3Istanbul, Türkiye, Turkey
View →
CT
Cindy Tellier
Colleague at O3Merrimack, New Hampshire, United States
View →
DI
Diego Interiano
Colleague at O3Guatemala City, Guatemala
View →
JC
Jessica Cross
Colleague at O3Philadelphia, Pennsylvania, United States
View →
JO
Jackie Ost
Colleague at O3Philadelphia, Pennsylvania, United States
View →
TH
Terry Huang
Colleague at O3Brooklyn, New York, United States
View →
AB
Allison Buzzanga
Colleague at O3Philadelphia, Pennsylvania, United States
View →
PK
Preet Kaur
Colleague at O3Haryana, India
View →
2 education records
Rafael Caldeira education
Bachelor Of Technology (B.Tech.), Information Technology, Systems Analysis And Development
Business Administration And Management, General, Management And Business
FAQ
Frequently asked questions about Rafael Caldeira
Quick answers generated from the profile data available on this page.
What company does Rafael Caldeira work for?
Rafael Caldeira works for O3.
What is Rafael Caldeira's role at O3?
Rafael Caldeira is listed as Senior Full Stack Developer at O3.
What is Rafael Caldeira's email address?
AeroLeads has found 1 work email signal at @locaweb.com.br for Rafael Caldeira at O3.
What is Rafael Caldeira's phone number?
AeroLeads has found 1 phone signal(s) with area code 219 for Rafael Caldeira at O3.
Where is Rafael Caldeira based?
Rafael Caldeira is based in São Paulo, Brazil while working with O3.
What companies has Rafael Caldeira worked for?
Rafael Caldeira has worked for O3, Esteemed Inc., Ravacode, Toptal, and Arctouch - Mobile & Connected Experiences.
Who are Rafael Caldeira's colleagues at O3?
Rafael Caldeira's colleagues at O3 include Ajit Palav, Michael Bernardo, Ahmet Haithem, Cindy Tellier, and Diego Interiano.
How can I contact Rafael Caldeira?
You can use AeroLeads to view verified contact signals for Rafael Caldeira at O3, including work email, phone, and LinkedIn data when available.
What schools did Rafael Caldeira attend?
Rafael Caldeira holds Bachelor Of Technology (B.Tech.), Information Technology, Systems Analysis And Development from Fatec Zona Sul.
What skills is Rafael Caldeira known for?
Rafael Caldeira is listed with skills including Windows, Microsoft Office, Active Directory, Photoshop, Systems Analysis, Translation, English, and Public Speaking.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the Rafael Caldeira you were looking for.
View similar profiles
