STATUS: ONLINE · LOC: NIŠ, SERBIA

Nikola Nedeljković — DevOps & Full-stack Developer

~/about.md

DevOps-oriented expert skilled in both Frontend and Backend, specializing in infrastructure automation and web development. Began as a freelancer using Webflow and Figma with strong SEO focus, then transitioned into IT Support, Second Level Support, and NOC roles — hands-on with MySQL, Python automation, Windows & Linux servers, and the Prometheus / Grafana / ELK stack.

$ cat skills.txt

ReactTailwindNode.jsJavaScriptPythonPrometheusGrafanaELK StackLinux AdminMySQLPostgreSQLMS SQLWebflowFigma

$ git log --oneline --author='Nikola'

NOC Engineer

Apr 2024 — Present

@ FAZI Company, Niš

  • Monitored infrastructure & application health with Prometheus and Grafana — dashboards, alerts, key metrics.
  • Tuned alert thresholds and improved the observability stack based on operational needs.
  • Investigated and resolved issues across hybrid Windows / Ubuntu Server environments.
  • Analyzed logs and system events using the ELK stack to identify root causes.
  • Participated in incident response and escalation with DevOps and Development teams.
  • Maintained internal technical documentation and operational runbooks.

Second Level Support

Oct 2023 — Apr 2024

@ FAZI Company, Niš

  • Advanced production support with full access to production and staging environments.
  • Direct database operations and configuration changes in MySQL.
  • Automated repetitive database and ops tasks with Python scripting.
  • Configured betting systems and casino portals via backend and DB-level parameters.
  • Investigated game rounds and ran anti-fraud analysis on real data.
  • Administered Windows Server environments — service monitoring and configuration.

IT Support Specialist — Team Lead

Jun 2022 — Oct 2023

@ FAZI Company, Niš

  • Troubleshot application and infrastructure issues via Jira and email.
  • Optimized SQL queries on MySQL for analysis, configuration, and maintenance.
  • Developed SQL scripts for bulk data updates and environment configuration.
  • Maintained technical documentation and operational runbooks in Confluence.
  • Supported deployment and configuration of online casino platforms.

$ ls -la ./projects/

$ ./initiate_handshake.sh

bash — contact.sh