
Matheus Carneiro
@matheuscarneiro1
I build AI-driven application security programs and secure cloud development workflows.
What I'm looking for
I'm building AI-driven security capabilities at Clutch and Cora Bank, from cryptography libraries for sensitive PII and zero-downtime secret rotation to penetration-testing agents and security MCPs for Claude Code, Codex, and Gemini.
I've led secure development programs across Too Seguros, dLocal, Stone.Co, Via Varejo, and Grupo SBF. My work includes S-SDLC frameworks, SAST, SCA, DAST, IaC security, vulnerability management, Security Champions programs, and CI/CD security.
I also bring software engineering experience building APIs and full-stack applications in Java, Kotlin, Python, Node.js, React, and Next.js. I combine AppSec, cloud security, threat detection, and AI security to help teams ship more securely.
Experience
Work history, roles, and key accomplishments
Senior Security Engineer
Clutch
Dec 2025 - Present (9 months)
Designed a cryptography organization-wide library to standardize encryption/decryption for sensitive customer PII data. Implemented a key identifier mechanism for secure, zero-downtime secret rotation and developed AI-driven penetration testing agents.
AI-Driven Security Architect
Cora Bank
Jul 2025 - Present (1 year 2 months)
Architected and implemented a comprehensive S-SDLC framework. Developed Security MCPs for Claude Code, Codex, and Gemini, and engineered Claude Skills and Cursor Agents for security-centric code reviews.
Application Security Specialist
dLocal
Apr 2024 - Oct 2024 (6 months)
Managed SAST, SCA, and Bug Bounty Programs (VDP/BPP). Oversaw the full vulnerability lifecycle including Red Team, QA, and Threat Intel, and developed internal tooling for vulnerability triage and modeling.
Application Security Tech Lead
Stone.Co
May 2023 - Apr 2024 (11 months)
Led a security engineering team focusing on secure development. Owned and improved internal SAST, SCA, and IaC tooling, and built a Security Champions program.
Application Security Specialist
Via Varejo
Oct 2022 - May 2023 (7 months)
Secured CI/CD pipelines using GitHub Actions, Azure DevOps, AKS, and OpenShift. Implemented RASP, mobile obfuscation, and IaC scanning, and monitored AppSec maturity with OWASP SAMM.
Senior AppSec Engineer
Grupo SBF
Oct 2021 - Oct 2022 (1 year)
Implemented CI/CD security on GCP with ArgoCD and Kubernetes. Applied PrismaCloud CWPP and DefectDojo, and managed SCA/SAST/DAST integrations and cultural AppSec rollout.
Java Developer
Outedg / CASSEMS
May 2021 - Oct 2021 (5 months)
Developed REST APIs in Java using Spring Boot. Maintained XHTML pages with JSF/Primefaces and supported Oracle and DB2 databases.
Freelance Java Developer
Freelance
Oct 2017 - Oct 2019 (2 years)
Developed inventory control systems using Java and JavaFX. Applied Clean Code, SOLID principles, Hibernate, and JPA, and delivered full-stack solutions with authentication and reporting features.
Infra Support
E1 Private / Brazilian Army
Mar 2016 - May 2017 (1 year 2 months)
Automated documentation and military payroll tasks using Java and Bash. Managed LVM volumes and Linux file systems.
Education
Degrees, certifications, and relevant coursework
IBMR University
Bachelor's Degree, Information Technology
Bachelor's degree in Information Technology with a focus on Cyber Defense.
Availability
Location
Authorized to work in
Job categories
Skills
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