Zoltán Kónya

As a team lead, my role was to rewrite our marketplace using microservice methodology, create a unified platform for all countries (9 countries in central europe), and migrate it to the GCP cloud.

We developed a large, distributed, and complex system handling hundreds of millions of offers across nine countries.

The technologies I used included:

• PHP, Laravel, JavaScript, Node.js, Go, Bash
• GCP/GKE
• Linux, Docker, Kubernetes
• GitLab CI/CD, Jenkins, Terraform
• RabbitMQ, MySQL, Redis, Nginx, FPM
• Prometheus/Grafana
• Scrum, Jira, Confluence, Miro

As a DevOps Engineer, I was responsible for maintaining the health of the infrastructure. I automated repetitive tasks using Ansible and implemented comprehensive monitoring and logging systems with Syslogd. Additionally, I created, managed, and maintained server-side infrastructures.

Technologies:

• Linux, KVM/Bare metal/Networking
• MySQL, Redis, Nginx, PHP/FPM, Memcached, Solr, Syslogd
• Ansible
• Docker
• Backups

I started working as a full-stack developer for Árukereső in 2014, which is the largest price comparison company in Hungary. We developed a large, distributed, and complex system handling tens of millions of offers across three countries: Hungary, Romania, and Bulgaria.

Technologies:

• PHP/JavaScript/Angular
• RabbitMQ, MySQL, Redis, Memcached
• Service-Oriented Architecture
• Linux

As a member of the ITO team, I managed and maintained a large and diverse Linux infrastructure. I also contributed as a full-stack developer on smaller projects.

Technologies:

• Linux Debian
• XEN virtualization
• Nginx/Nagios
• MySQL
• Networking
• PHP/Node.js/Javascript

I provide various internet services for our customers through my own company, including Linux system administration, mail, web, DNS, and storage services, as well as internal services like file, database, and backup and custom solutions. Additionally, I have developed numerous internal and web software using PHP, JavaScript, and Delphi.

Technologies:

- Linux Debian

- XEN virtualization, networking

- Postfix/Courier

- Samba file server

- MySQL

- custom backup solution

- PHP/Delphi/Javascript

I provide various linux services for United Chemical Works (Hungary biggest chemical company) through my own company, including Linux system administration, mail, backup, file and custom solutions. Additionally, I have developed numerous internal software using PHP, JavaScript, and Delphi.

Technologies:

- Linux Debian

- XEN virtualization, networking

- Postfix/Courier

- Samba file server

- MySQL

- PHP/Delphi/Javascript