Hey, I'm Stef, Fullstack Engineer.
Specialized in engineering secure web applications and efficient automation solutions. I help businesses build reliable systems that scale and optimize their workflows.
About Me
I am a Fullstack Engineer focused on building scalable web architectures and automating complex workflows.
Beyond just coding, I incorporate a security perspective into my work. Acting as a Security Champion and Tester allows me to build applications that are not just fast and functional, but also robust and reliable.
Work Experience
Dec 2024 - Present
Full Stack EngineerFactSet
Aug 2024 - Dec 2024
Contract Full Stack EngineerGalaxy XY
Oct 2023 - Jul 2024
Research Software EngineerUniversity of Macedonia
Study
Oct 2018 - Aug 2023
Computer Science (BSc)Hellenic Open University
Latest Articles
Some of my recent thoughts
Articles coming soon...
Stefanos demonstrates commitment, a willingless to learn, and a responsible approach to the tasks he undertakes. He works with focus and attention to detail, steadily developing his skills over time.
AT
Anton Tonchev
Founder of Galaxy XY
The collaboration was excellent from start to finish. He is highly organized, consistent, and extremely professional in everything he does. Communication was clear at every stage, and the overall process felt structured and reliable. A professional you can truly trust to deliver quality results.
Vasiliki Tzimou
Nutritionist Dietitian MSc
Frequently Asked Questions
Answers to common questions about my expertise and background.
I specialize in modern web technologies including Vue.js, React, TypeScript, and Node.js for full-stack development. On the backend, I work with databases like MongoDB and have experience with Solidity for blockchain development. For quality assurance, I use Jest, PHPUnit, and mutation testing tools like StrykerJS.
Yes, I serve as both Security Champion and Security Tester within engineering teams. I bridge the gap between development and security teams, conduct proactive pre-assessments, and validate security controls using tools like Burp Suite Professional and Invicti against OWASP ASVS standards.
I'm passionate about code quality. I work with mutation testing (StrykerJS, Infection PHP) to validate test effectiveness, resolve SonarQube security hotspots, and integrate automated testing into CI pipelines via GitHub Actions.