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@alexmbjs
Cybersecurity-focused Cloud engineer and penetration tester.
I'm a cybersecurity-focused Cloud engineer and penetration tester with extensive expertise in network security, web application security, and DevSecOps. My experience includes securing backend services and APIs using Golang, implementing OWASP best practices, and conducting thorough API penetration testing on Golang-based microservices. I have a strong background in cyber threat intelligence and incident response, which allows me to identify and mitigate security weaknesses effectively.
Throughout my career, I have managed AWS security policies, applied VPC isolation, and enforced IAM role-based access controls. My hands-on experience includes conducting continuous cloud security assessments and vulnerability scanning across cloud services. I am dedicated to ensuring the resilience of modern digital infrastructures through proactive security measures and automated CI/CD security checks.
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Work history, roles, and key accomplishments
Freelance
Apr 2024 - Present (1 year 7 months)
Cybersecurity-focused Cloud engineer and penetration tester with expertise in network security, web application security, and DevSecOps. Conducted API penetration testing on Golang-based microservices, identifying and mitigating security weaknesses through automated CI/CD security checks. Managed AWS security policies and performed continuous cloud security assessments to ensure the resilience of
XalDigital
Feb 2024 - Jun 2024 (4 months)
Secured backend services and APIs using Golang, implementing OWASP best practices. Managed AWS security policies and conducted API penetration testing on microservices. Performed continuous cloud security assessments and vulnerability scanning to ensure infrastructure security.
HCL Tech
Feb 2023 - Jun 2023 (4 months)
Led AWS infrastructure security audits, focusing on access control policies and encryption standards. Designed and deployed secure microservices with Golang, integrating security measures for API authentication and data encryption. Conducted network security assessments to mitigate misconfigured security groups.
ADISA
Oct 2018 - Jan 2022 (3 years 3 months)
Developed and secured high-performance backend systems using Golang. Performed penetration testing on APIs, detecting vulnerabilities in authentication and data transmission protocols. Managed Docker and Kubernetes security policies to ensure container isolation.
Degrees, certifications, and relevant coursework
Hands-on experience, Cloud & Network Security
2023 - 2023
Led AWS infrastructure security audits, focusing on access control policies, encryption standards, and compliance checks. Designed and deployed secure microservices with Golang, integrating security measures for API authentication and data encryption. Conducted network security assessments, detecting and mitigating misconfigured security groups and firewall rules.
Software Security Engineer, Cloud & DevOps Security
2022 - 2022
Engineered secure cloud-native architectures using AWS, Terraform, and Docker, applying cloud security best practices. Conducted vulnerability scanning across cloud services, identifying exposure risks in IAM policies and database security. Designed and optimized CI/CD pipelines, integrating automated security testing for early detection of threats.
Backend and Cloud Developer, Cyber Threat Intelligence & OSINT
2018 - 2021
Developed and secured high-performance backend systems using Golang, implementing multi-layered security mechanisms. Performed penetration testing on APIs, detecting vulnerabilities in authentication and data transmission protocols. Managed Docker and Kubernetes security policies, ensuring container isolation and integrity.
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