Paulo Dayrell
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Paulo Dayrell Email & Phone Number

Senior Security Engineer | AppSec | Pentest | Red Team at Celcoin
Location: Minas Gerais, Brazil, Brazil 6 work roles 1 school
1 work email found @olist.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email p****@olist.com
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Current company
Role
Senior Security Engineer | AppSec | Pentest | Red Team
Location
Minas Gerais, Brazil, Brazil
Company size

Who is Paulo Dayrell? Overview

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Quick answer

Paulo Dayrell is listed as Senior Security Engineer | AppSec | Pentest | Red Team at Celcoin, a company with 82 employees, based in Minas Gerais, Brazil, Brazil. AeroLeads shows a work email signal at olist.com and a matched LinkedIn profile for Paulo Dayrell.

Paulo Dayrell previously worked as Senior Security Engineer at Celcoin and Offensive Security Analyst at Olist. Paulo Dayrell holds Bachelor'S Degree, Computer Science from Universidade Federal Fluminense.

Company email context

Email format at Celcoin

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{first}.{last}@olist.com
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Profile bio

About Paulo Dayrell

Senior Security Engineer with a strong background in Computer Science and expertise in Offensive Security. Currently, I work at Celcoin, where I am responsible for conducting penetration tests on APIs, Cloud Services, Mobile and Web Applications. Additionally, I have a keen interest in Malware Analysis, Binary Exploitation and Cryptography.

Current workplace

Paulo Dayrell's current company

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Celcoin
Celcoin
Senior Security Engineer | AppSec | Pentest | Red Team
Website
Employees
82
AeroLeads page
6 roles

Paulo Dayrell work experience

A career timeline built from the work history available for this profile.

Senior Security Engineer

Current

Remote

I'm part of the CyberSecurity team at Celcoin, where my role involves performing penetration tests on our APIs, mobile apps, microservices, and web services, as well as conducting network and cloud security assessments.

Sep 2023 - Present

Offensive Security Analyst

Remote

As an Offensive Security Analyst at Olist, I was among the initial members of the CyberSecurity team, contributing to the establishment and enhancement of the organization's security infrastructure. My responsibilities included conducting secure code reviews and penetration testing on our APIs, web, and mobile applications for both Android and iOS, as well.

May 2021 - Sep 2023

Cyber Security Consultant

Remote

As a member of the CyberSecurity team, I was focused exclusively on offensive security, conducting in-depth penetration tests on APIs, web, and mobile applications for both Android and iOS platforms. With a focus on technical quality, I aimed to provide the highest possible value to the customer by identifying vulnerabilities and improving their overall.

Oct 2020 - May 2021

Cyber Security Consultant

Remote

Conducted thorough penetration testing for various companies, identifying vulnerabilities and evaluating their system security measures. Detailed recommendations were provided based on the findings, assisting customers in enhancing their security posture and ensuring the timely resolution of identified risks.Contributed to the Clavis Academy by reviewing.

Mar 2020 - Oct 2020

Ctf Player

Playing capture-the-flag competitions, solving problems related to different security categories, with a focus on Reverse Engineering and Binary Exploitation (pwn).Contributed to the Pwn2Win CTF by creating challenges related to Pwn, Forensics and Reverse Engineering,

Jun 2019 - Jun 2020

It Infrastructure

Niterói, Rio De Janeiro, Brazil

At MidiaCom, I focused on the implementation and support of Identity and Access Management (IAM) using FreeIPA and its associated technologies. I managed the administration, configuration, and troubleshooting for workstations and servers, always adhering to best security practices.Additionally, I was responsible for developing and maintaining comprehensive.

Apr 2019 - Jan 2020
Team & coworkers

Colleagues at Celcoin

Other employees you can reach at celcoin.com.br. View company contacts for 82 employees →

1 education record

Paulo Dayrell education

FAQ

Frequently asked questions about Paulo Dayrell

Quick answers generated from the profile data available on this page.

What company does Paulo Dayrell work for?

Paulo Dayrell works for Celcoin.

What is Paulo Dayrell's role at Celcoin?

Paulo Dayrell is listed as Senior Security Engineer | AppSec | Pentest | Red Team at Celcoin.

What is Paulo Dayrell's email address?

AeroLeads has found 1 work email signal at @olist.com for Paulo Dayrell at Celcoin.

Where is Paulo Dayrell based?

Paulo Dayrell is based in Minas Gerais, Brazil, Brazil while working with Celcoin.

What companies has Paulo Dayrell worked for?

Paulo Dayrell has worked for Celcoin, Olist, Kryptus Eed Sa, Clavis Segurança Da Informação, and Epic Leet Team.

Who are Paulo Dayrell's colleagues at Celcoin?

Paulo Dayrell's colleagues at Celcoin include Alexandre Neto, Wallace Carvalho, Anne Rocha, Gustavo Gonçalves, and Marcela Andrade.

How can I contact Paulo Dayrell?

You can use AeroLeads to view verified contact signals for Paulo Dayrell at Celcoin, including work email, phone, and LinkedIn data when available.

What schools did Paulo Dayrell attend?

Paulo Dayrell holds Bachelor'S Degree, Computer Science from Universidade Federal Fluminense.

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