Leandro Batista

Product Engineer

Zurich, Zurich, Switzerland8 yrs 3 mos experience

Key Highlights

Expert in Red Team operations and offensive security.
Multiple industry-recognized certifications in cybersecurity.
Proven experience in software development and application security.

Stackforce AI infers this person is a Cybersecurity Specialist with a strong focus on Offensive Security and Software Development.

Contact

Skills

Core Skills

Ethical HackingPenetration TestingAsp.netSql Server

Other Skills

LinuxVulnerability AssessmentVulnerability ScanningC#JQueryAjaxHTMLCSSBootstrapJavaScriptWeb ServicesCybersecurityAgile MethodologiesObject-Oriented Programming (OOP)Microsoft SQL Server

About

CVE's: CVE-2025-28168, CVE-2026-26273, CVE-2026-26281, CVE-2026-26270 Hall of Fame Inductions: NOS Vulnerability Disclosure: https://tinyurl.com/NOS-Cyber-Recognition Certifications: • OSCE3 • GCIH • OSWE • OSED • OSEP • OSCP • CRTP • CARTP • OSWP • eMAPT • eJPT Trainings: • Corelan Heap Masterclass • Maldev Academy Socials: Personal Blog 📖: https://iamleandrooooo.github.io/ Hack The Box Profile 🥷: https://app.hackthebox.com/profile/544655 Medium Profile 📖: https://itsleandro.medium.com/ Github 👨‍💻: https://github.com/IamLeandrooooo

Experience

Ubs

Red Team Tester

Jan 2026 – Present · 2 mos · Zurich, Switzerland

Tripadvisor

Senior Application Security Engineer - Offensive Security Focus

Sep 2025 – Nov 2025 · 2 mos · Lisbon, Portugal · Remote

Santander portugal

Offensive Security Specialist

Oct 2022 – Aug 2025 · 2 yrs 10 mos · Lisbon, Portugal

LinuxEthical HackingPenetration TestingVulnerability AssessmentVulnerability Scanning

Polarising

Software Engineer

Feb 2020 – Oct 2022 · 2 yrs 8 mos · Lisbon, Portugal

Altice portugal

Software Engineer

Oct 2017 – Feb 2020 · 2 yrs 4 mos · Lisboa e Região, Portugal

Portuguese navy

Software Developer

Mar 2017 – Jun 2017 · 3 mos · Lisboa

Criação de uma plataforma na Marinha Portuguesa que fizesse a Gestão dos Estágios em todas as unidades da mesma, para isso foram efectuados os seguintes procedimentos:
Entrevistas aos intervenientes da aplicação;
Recolha de requisitos;
Criação de vários diagramas (Diagramas de Caso de Uso, Diagramas de Estado, Diagramas BPMN);
Criação do modelo conceptual, lógico e físico da base de dados;
Criação de MockUps;
Implementação do script da base de dados no SQL Server;
Construção do layout da aplicação baseado nos MockUps;
Programação da aplicação;
Criação de WebServices.
Tecnologias e Linguagens utilizadas: Visual Studio - ASP.net, SQL Server 2012, C#, JQuery, Ajax, HTML, CSS e Bootstrap, Javascript, Webservices, XLM, Json, Oracle, PL-SQL, PowerDesigner, Balsamiq, TFS, SOAP.