Victor S.

Back-end and Systems Engineer

Information Security Analyst | AppSec | Red Team
7/1/2023 - Present

Executed vulnerability fixes in web applications, including backlog attacks and vulnerability auditing. Authored comprehensive documentation of vulnerability resolutions. Conducted penetration tests on web, mobile, Azure, and Active Directory applications, ensuring robust security measures. Managed phishing campaigns to evaluate employee vigilance and enhance security training programs. Developed the Secure Code Dojo application, promoting secure coding practices. Implemented threat modeling using Microsoft Threat Modeling and produced security awareness flyers. Utilized technologies and tools such as Fortify, Veracode, Horusec, and Dependency Check for vulnerability assessment. Leveraged Kali for penetration testing and employed tools like Frida and Objection for mobile application security testing.

Full-Stack Node.js Developer
8/1/2022 - 7/1/2023

Contributed to major projects such as a virtual campus system for undergraduate and postgraduate degrees, a real estate management system, and an agile team dashboard. Developed proficiency in a wide range of technologies, including TypeScript, Express.js, Nest.js, Jest, TypeORM, Sequelize.js, and Mongoose. Acquired a deep understanding of REST APIs, GraphQL, and the Serverless Framework. Employed frontend frameworks like Angular and worked with both microservices and monolithic architecture.

Utilized various database management systems such as MySQL, MS SQL Server, and MongoDB. Leveraged the full suite of AWS services including S3, Lambda, API Gateway, Cognito, AppSync, and IAM. Practiced Agile methodologies, including SCRUM and Kanban, for project management and used Jira and Confluence for documentation and tracking. Embraced principles such as Test-Driven Development (TDD), Domain-Driven Design (DDD), Clean Architecture, and DevOps culture.

Maintained proficiency in version control with Git, GitHub, and Bitbucket, and operated in Linux environments. Implemented containerization using Docker and continuous integration with Jenkins. Monitored application performance with New Relic and collaborated with an AI Engineering Assistant for enhanced project efficiency.

Full-Stack Developer Express.js | Python | Vue.js
1/1/2022 - 8/1/2022

Developed technical expertise in TypeScript and Express.js for building scalable web applications, complemented by strong test automation skills using Jest. Proficient in Python 3 and Flask for backend development, utilizing Unittest for ensuring code quality. Advanced skills in Vue.js 3 combined with Quasar for efficient front-end development. Demonstrated knowledge in database management with MySQL and maintained code integrity and collaborative development using Git and GitLab, including continuous integration with GitLab CI.

Utilized Sentry for application monitoring and PM2 for process management. Adept at working in agile environments with methodologies such as SCRUM and Kanban to improve project workflow. Contributed to leadership strategy discussions and UX review processes. Coordinated technical and social events, such as DebaTech and Happy Time, to foster team collaboration and knowledge sharing. Proficient in operating and maintaining applications on Linux systems.

Full Stack Node.js Developer
7/1/2018 - 8/1/2022

Developed web and mobile systems, showcasing expertise across several projects. Led the development of a web and mobile delivery application, emphasizing scalable architecture and user-friendly interfaces. Authored extensive content on CyberSecurity and development, demonstrating the ability to communicate complex technical concepts effectively. Created educational articles, courses, and training applications, contributing to knowledge sharing and skill development. Engineered an API for a 360 virtual reality system, enhancing interactive user experiences. Developed an API and mobile application for clinic scheduling, ensuring efficient and secure appointment management.

System Instructor
6/1/2015 - 5/1/2019

Developed comprehensive manuals, classes, and instructional videos focused on ERP and IT systems, enhancing educational resources for both novice and advanced users. Conducted programming training sessions specifically designed for children, fostering an early interest and foundational understanding of coding principles.

Gained extensive technical expertise in Python 3 and Django 2, enabling the development of robust web applications. Proficiently utilized JavaScript, CSS 3, and HTML 5 for creating dynamic and responsive user interfaces. Leveraged Moodle for creating and managing e-learning content, providing a seamless educational experience. Demonstrated strong database management skills with Postgres and SQL Server, ensuring efficient data storage and retrieval processes. Ensured collaborative development and code versioning using Tortoise SVN, facilitating smooth project management and team coordination.

ERP Support Analyst
4/1/2014 - 6/1/2015

Provided customer service via chat and phone for ERP and Fiscal product lines. Developed proficiency in SQL Server, enabling efficient database management and troubleshooting. Gained significant expertise in Pascal, applying it to support various software-related queries. Ensured high-quality service delivery by effectively resolving customer issues and enhancing user experience with ERP and Fiscal solutions.

Computer Science at UNIFESO
2014 - 2016

Management of Information Systems at Estácio de Sá University
2017 - 2019

Information Technology at São José College
2012 - 2013

Offensive Cyber Security – Red Team Operations at FIAP
2023 - 2024

Docker at Full Cycle
1/1/2023

Domain Driven Design at Full Cycle
1/1/2023

SOLID Express at Full Cycle
1/1/2023

GoHacking: Secure Coding and DevSecOps at GoHacking
12/1/2022

GoHacking: Ethical Hacking Web Application at GoHacking
12/1/2022

AWS Partner: Sales Accreditation at Amazon Web Services (AWS)
10/1/2022

AWS Partner: Technical Professional at Amazon Web Services (AWS)
8/1/2022

AWS Partner: Cloud Economics Accreditation at Amazon Web Services (AWS)
8/1/2022

AWS Partner: Business Professional at Amazon Web Services (AWS)
8/1/2022

Effective Code Versioning and SCM: Git, Gitlab, and Gitflow at Udemy
4/1/2022

Outbound.io at Speedio
2/1/2022

Atlas.io at Speedio
2/1/2022

DFE - Digital Forensics Essentials at EC-Council
1/1/2022

GoStack 10.0 - Express, React and React Native at Rocketseat
5/1/2020

Welcome to the Django at Infolocus Serviços de Informática LTDA ME
12/1/2019

Digital Ocean - Server and Services Management at TreinaWeb
10/1/2019

Branding and Marketing - Creation and Management of Successful Brands at Udemy
10/1/2019

Adobe XD: UI Design from Basics to Prototypes at Udemy
9/1/2019

Graphic Design Fundamentals Course at Udemy
7/1/2019

Complete Interface Design Course at Udemy
7/1/2019

Typescript Developer at Alura Cursos Online
3/1/2018

Soft Skills at Alura Cursos Online
1/1/2018

Understanding and Documenting REST / RESTful APIs at Udemy
11/1/2017

Legal Aspects of Security and Information Technology at Clavis Segurança da Informação
9/1/2017

Network Forensics Analysis at Clavis Segurança da Informação
5/1/2017

Shell Script at OYS Security
12/1/2016

Iptables + Squid at OYS Security
12/1/2016

Linux Security Specialist at OYS Security
12/1/2016

Malware Analysis in Computer Forensics at Clavis Segurança da Informação
12/1/2016

Web Scraping with Python and Beautiful Soup at Udemy
8/1/2016

Network Pentest Specialist at OYS Security
7/1/2016

Computational Forensic Analysis at Clavis Segurança da Informação
3/1/2015

Linux Network Administrator at Curso ADV Informática Avançada
1/1/2014

Introduction to Exploitation at OYS Security
1/1/2014

Reverse Engineering and Malware Analysis at OYS Security
1/1/2014

Linux System Administrator at Curso ADV Informática Avançada
5/1/2013