Deniz Gökduman⌗

📧 o.deniz.gokduman@gmail.com
🔗 LinkedIn | GitHub | Website | Resume

🎯 Profile Summary⌗

Database Administrator specialized in PostgreSQL and Oracle, with expertise in high-availability architectures, performance tuning, backup & recovery, monitoring, and security. Experienced in implementing Patroni and load balancing for HA setups, as well as query optimization and TimescaleDB for time-series data. Skilled in automation with Bash, Batch, and PowerShell scripting.

Currently working at Istanbul Metropolitan Municipality (IMM) as a DBA, ensuring database reliability, scalability, and efficiency. Additionally, experienced as a Full Stack Developer with a background in building scalable applications.

🛠 Skills⌗

Database Administration

  • PostgreSQL (HA, Replication, Partitioning, PgBouncer, Patroni, Citus)
  • Oracle (User Management, RMAN, Data Guard, Partitioning, Performance Tuning)

Monitoring & Tools

  • Prometheus, Grafana, Percona Monitoring

Scripting & Automation

  • Bash, Batch, PowerShell

Operating Systems

  • Linux, Windows

Other (Supportive)

  • Git, JavaScript, Node.js, C#, ASP.NET, Python (scripting & automation)

💼 Experience⌗

Database Administrator⌗

Istanbul Metropolitan Municipality (IMM) | 11/2023 – Present

  • Managed PostgreSQL and Oracle databases with focus on HA and performance.
  • Implemented Patroni for PostgreSQL high availability and scalability.
  • Optimized queries, indexes, and partitioning strategies to improve efficiency.
  • Created stored procedures, views, functions, and indexes.
  • Automated backup, monitoring, and maintenance tasks using Bash and PowerShell.
  • Ensured ISMS-compliant database security, user management, and auditing.
  • Maintained automated ETL data pipelines using SQL and Python.
  • Built complex SQL queries (JOIN, UNION, GROUP BY, HAVING) for reporting and dashboards.

Full Stack Developer⌗

Unique Tech | 12/2021 – 07/2023

  • Developed applications with C# and ASP.NET.
  • Integrated databases (SQLite, PostgreSQL) for data-driven solutions.
  • Built dashboards for processing and visualizing sensor data.

Previous Experiences (Summary)⌗

  • Computer Vision / Data Processing Engineer – TÜBİTAK, Istanbul Technical University (01/2020 – 12/2021)
    Worked on data-heavy projects, image classification, and automation.

  • Data Quality Intern – HERE Maps (09/2019 – 11/2019)
    Performed testing and validation of geospatial data.

  • QA Intern – Boni Pazarlama ve İletişim (12/2019 – 01/2020)
    Worked on indoor positioning systems and digital mapping QA.

🎓 Education⌗

  • Ph.D., Geomatics Engineering – Istanbul Technical University (2023–Ongoing)
  • M.Sc., Geomatics Engineering – Istanbul Technical University (2021–2023)
  • B.Sc., Geomatics Engineering – Istanbul Technical University (2015–2020)

📜 Certifications⌗

🌍 Languages⌗

  • Turkish: Native
  • English: Upper-Intermediate (B2)

🎯 Hobbies⌗

  • Candle making 🕯️
  • Algoritmic trading 💱
  • Fitness 💪
    relaxing is not a luxury
    A loud serenity is better than a silent crowd