Google Cloud Certified Professional Data Engineer with 7+ years of streaming, CDC and batch pipelines across telecom, banking and energy.
I build data platforms that stay correct at scale. As technical owner and architect of the Vodafone Digital Data Store, I kept 20 TB a day flowing at 99.9% availability, with validation, alarms and monitoring built into the pipeline itself.
My work sits where streaming meets modeling: Oracle GoldenGate CDC into Apache Kafka, Spark Structured Streaming with checkpointing, restart and replay, and analytics-ready models served through Apache Impala.
I led a team of three engineers, set our engineering standards and mentored two junior colleagues to mid-level. I work spec-first with AI assistance, and every output is reviewed and validated before it merges.
Case file 01 · Bentego, client Vodafone · 2022–2026
I was the technical owner and architect of the platform: 20 TB of daily data at 99.9% availability. I led its modernization with zero downtime, validated by running old and new versions side by side on real traffic.
Operational data starts in Oracle source systems.
Oracle GoldenGate captures each change and streams it into Kafka.
Kafka carries the change stream, with producer settings tuned on the write path.
Streaming transformations with checkpointing, restart and replay for failure recovery.
Processed events land in Kafka topics on the way to the serving layer.
HBase row keys and Hive partitioning designed for query performance.
Analytics-ready models served through Impala, partitioned for fast reads.
Reporting dashboards for five stakeholders.
Streaming jobs scheduled on Airflow for one monitoring UI, with alarm, monitoring and data quality ETLs across the flow.
10× throughput and 40% lower latency on the critical pipeline, delivered with zero downtime.
Throughput on the critical DDS pipeline after the modernization
Lower latency on the same pipeline
Of data processed every day
Availability, with validation and alarms built in
6015
Spark jobs consolidated
25%
Of a 99-node cluster’s resources freed
0s
Downtime. Old and new versions ran side by side on real traffic before the switch.
Team 3
Led three engineers and mentored two junior colleagues to mid-level.
Seven years across energy, banking and telecom. Scroll to fly through them in order.
11/2019 – 05/2021 · Energy
CK Enerji
05/2021 – 07/2022 · Banking
Bentego · Client: Garanti BBVA Teknoloji
07/2022 – 08/2026 · Telecom
Bentego · Client: Vodafone · Berlin
01 · streaming
02 · modeling
03 · storage
04 · quality
05 · delivery
06 · languages
07 · cloud
08 · ai
Outside of work, I write. I am the co-creator and co-author of The Waking Worlds, a science fiction and fantasy series that began as a years-long Dungeons & Dragons style roleplay with my friend Fırat Keleş.
Episode One · Out now
Yunus Alper Körükcü & Fırat Keleş
From the ashes we will rise.
For years, my friend Fırat Keleş and I ran a Discord server with exactly two members: us.
It started as a roleplay in Turkish, Dungeons & Dragons style. Fırat played every character who walked through the door. I played one.
A normal session ran two hours. The ones that got away from us ran six.
When the last season ended, I said we should write it down.
He agreed before I finished the sentence.
Turning years of Turkish chat logs into an English novel was a long job.
From the back cover
Also off the clock
I enjoy reading about space exploration.
A car enthusiast who follows automotive engineering closely.
A campaign between two friends that has been running for years. It became The Waking Worlds.
Open to Senior Data Engineer and Data Platform Engineer roles.
