A Little Background

Yehezkiel Wiradhika's portrait

I'm Yehezkiel Wiradhika (A.K.A Hezky): A Fullstack Software Engineer with strong focus on Backend and DevOps with Security Engineering as USP, working in microservices environments with Go, Gin, GORM, Postgres, Nextjs, Typescript, Docker and Kubernetes environments; having proficiency in RabbitMQ, Redis, Github Actions, Nginx and more; proficiency in security implementations of SIEM, IDS/IPS, Firewalls, Honeypots and more; having experience in building monolithic architectures with PHP and Laravel. I'm also an Offensive Security Enthusiast with experience in doing Web App and Network Penetration Testing on 20 of my College's Web Apps at DPTSI ITS. A Machine Learning enthusiast with Thesis topic: "Statistical, Frequent Pattern Mining and Machine Learning based Web Honeypot Attack Data Analysis". Currently side-hustling as freelancer at Volvinco, a Security Based - Software Development Agency as Co-founder and Head of IT; also working as Fullstack, DevOps and Security Engineer.

Certs and Educations

B.Eng. Informatics., (Comp. Sci.,) ITS, Graduated 2025 (GPA. ~3.4) • Golang Backend Engineering Bootcamp Ruang Guru (GPA. 3.85)

Experience

Some of my notable experiences as Software Engineer, DevOps and Cyber Security from time to time.

  • Volvinco: Fullstack Software, DevOps & Security Engineer.
    I'm currently side-hustling at Volvinco as freelancer, a Security-Based Software Agency. I setup their VPS with Ubuntu as its OS, Networking, Database and Security infrastructures, design their clients' systems, make both the Backend APIs and the Frontend, also conduct security assessments and maintainance of their final products.
  • DPTSI ITS: Penetration Tester
    I conducted security assessment on 20 of ITS's websites both on the Network and Web App sides with Kali Linux tools such as Nmap, SQLMap, Metasploit, Hydra, etc also manual penetration testing with Burpsuite and OWASP ZAP. Finding hundreds of vulnerabilities and several critical ones.
  • KYB Indonesia: Fullstack Software Engineer
    The iPod is a discontinued series of portable media players and multi-purpose mobile devices designed and marketed by Apple Inc. The first version was released on October 23, 2001, about 8+1⁄2 months after the Macintosh version of iTunes was released. Apple sold an estimated 450 million iPod products as of 2022. Apple discontinued the iPod product line on May 10, 2022. At over 20 years, the iPod brand is the oldest to be discontinued by Apple
  • StudentsXCEOs League 2022: Backend Engineer
    iPhone is a line of smartphones produced by Apple Inc. that use Apple's own iOS mobile operating system. The first-generation iPhone was announced by then-Apple CEO Steve Jobs on January 9, 2007. Since then, Apple has annually released new iPhone models and iOS updates. As of November 1, 2018, more than 2.2 billion iPhones had been sold. As of 2022, the iPhone accounts for 15.6% of global smartphone market share
  • Schematics ITS 2021: Frontend Engineer
    The Apple Watch is a line of smartwatches produced by Apple Inc. It incorporates fitness tracking, health-oriented capabilities, and wireless telecommunication, and integrates with iOS and other Apple products and services