Hello World! I'm
Sebastian Zhunaula
Developer with experience in multiple technological areas, including web development, cybersecurity, and data science.
About Me
Passionate developer with a love for clean code, great coffee, and open-source contributions.
Who I Am
I am a Full-stack developer experienced in creating modern and efficient web applications using JavaScript, React, and Astro.
I focus on development best practices, performance, and solid user experience in both frontend and backend.
I have knowledge in cybersecurity applied to system and application protection, integrating security principles from design to implementation.
Additionally, I develop projects in data science and artificial intelligence, with an emphasis on predictive models and prompt engineering, integrating these areas to build complete, secure, and innovative technological solutions.
> experiments loaded: 12
> status: forging
> last spark: today
Specialized Skills
My Projects
A collection of my best work, where creativity meets code.
Modern Esthete
Modern e-commerce interface focusing on clean design and user experience.
CollabData
Collaborative platform for data analysis and information visualization.
DevBlog
Blog focusing on programming, cybersecurity, and data science and AI
Alura Store
Analysis of sales, performance, and customer satisfaction for Alura Store branches.
Telecom X
Customer churn analysis to optimize retention through data science.
Telecom 2
Machine Learning pipeline to predict customer churn and optimize retention strategies.
Keylogger
Educational keylogger framework and research tool with integrated DevSecOps pipeline.
Reverse Shell
Remote access and persistence strategy for Windows 10 under DevSecOps standards.
Sandboxed
Tool menu for malware and computer virus analysis in controlled environments.
My Experiences
A career focused on building secure, scalable, and user-centric software.
FREELANCE CYBERSECURITY ANALYST
@ SELF_EMPLOYED
- Conducting advanced security audits and penetration testing in complex web environments.
- Strategically mitigating critical risks aligned with OWASP standards and security frameworks.
- Designing secure architectures and system hardening for digital infrastructures.
- Specialized technical consultancy in incident response and data breach prevention.
FREELANCE FULL-STACK DEVELOPER
@ SELF_EMPLOYED
- Architecting and deploying scalable Full-stack solutions using React, Next.js, and Node.js.
- Performance optimization and technical SEO for high-traffic web platforms.
- Developing robust APIs and distributed data management systems.
- Implementing CI/CD workflows integrated with automated security audits (DevSecOps).
My Education
Academic trajectory and technical specialization programs.
Alura Latam
Data Science & AI
Oracle Next Education Program (ONE)
Intensive specialization in Data Science and AI. Developed advanced capabilities in statistical analysis, predictive modeling, and visualization using Python. The program focused on building data-driven solutions and applying Machine Learning algorithms to solve real-world technology ecosystem problems.
My Certifications
Validating skills and continuously expanding technological horizons.
Oracle Cloud Infrastructure 2025 Certified Data Science Professional
Oracle
Ready to Collaborate?
My life revolves around code, coffee, and creativity. Let's build something amazing together!