Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

KADIR SAHAN

Kuwait

Summary

Experienced Data & System(Technical) Architect with over 15 years of expertise in Database/System management and Data Engineering/Architecture. Proficient in designing and developing numerous mission-critical, data-, and system-intensive solutions. Guided by the principles of "Delivery is First," "Everything as a Code," and "Data Everywhere," I advocate for design solutions that are highly available, reproducible, testable, scalable, and high-performance. My commitment lies in creating end-to-end automation pipelines for data and infrastructure solutions, whether on-premises or in the cloud.

Overview

26
26
years of professional experience
1
1
Certification

Work History

DevOps Lead

Kuwait NBK Kuwait City / Kuwait
2019.11 - Current
  • Managing remote Infra and DevOps teams for Azure environment.
  • Managing / Coordinating a security part of the solutions with the ISO team.
  • Tracking open source frameworks, technology advancements and application architectures.
  • Designing an iOS and Android CI/CD and security pipeline.
  • Designing data pipeline connecting CleverTap, AWS, NBK on-prem using AWS Lambda.
  • Playing a Technical Product Owner role for PFM (Personal Finance Manager, Meniga) Application
  • Designing Real /Near Time event/message processing using Debezium.
  • Designing Real Time Data Enrichment / anonymization pipeline for Customer analytics.
  • Designing Hashicorp Vault for SSIS package security.
  • Using Kafka, Kafka connect, Kafka Streams, Ksql DB for Real-time Data Integration
  • Designing caching strategies using Redis.
  • Analyzing the fraud case scenario.
  • Designing git branching strategy.
  • Analyzing / Designing batch event processing Data Pipeline.
  • Designing Docker Swarm Cluster for Mobile Backend.
  • Designing CI/CD pipeline for Mobile Backend on Azure DevOps.
  • Designing mobile artifact(IOS) signing flow on Azure
  • Designing deployment pipeline for on-prem using Control-m workload automation.
  • Designing migration to Apache Airflow from existing workflow and job scheduling environment.
  • Designing and Providing Dev and Test environment including resource(network, VM, etc.) provisioning on Azure using Terraform, Azure Pipeline, Docker.
  • Designing Browser Automation using Selenium / Java.
  • Designing Browser Automation using RPA tool (Blue Prism).

Technical/Data Architect

Emirates NBD
2019.03 - 2019.11
  • Designing Mongo DB on PAAS (Openshift/ Kubernetes) / IAAS (VM) environment.
  • Designing provisioning / configuration pipeline of database environment.
  • Designing / Migrating MongoDB on PaaS to IaaS.
  • Designing Caching strategy for Microservices and Data Services.
  • Designing Central Logging Infrastructure using ELK/EFK.


System & DevOps Manager

Hürriyet Emlak
2017.02 - 2019.03
  • POC on AWS Big Data Components.
  • Design / Implement Click Stream analytics using Kafka + Apache Spark + Cassandra / SQL Server.
  • Design / Implement Real Estate Price Prediction using Python.
  • Implement AWS Athena to get Image tag information.
  • Member of Monolith to Microservice transformation architecture committee.
  • Using Redis to hold session information, config information and feature flag.
  • Using Solr Cloud to provide listing service of ad , indexing full and incrementally.
  • Using Memcache to provide detail service of ad.
  • Design / Implement Mongodb replica set and Redis(caching) in cms infrastructure.
  • Using HAProxy on front of Solr Cloud to load balance and high availability.
  • Design & Implement Central Logging with ELK stack & Grafana.
  • Providing total dev/test and some of the prods environment in Docker Platform.
  • Monitoring Docker & Kubernetes platform with Grafana.
  • Providing CI / CD pipeline using Jenkins freestyle (planning converting to jenkinsfile) then using Octopus to deployment.
  • Transforming CI /CD pipeline to follow git branch and deploy automatically.
  • Using Jenkins to Docker & Kubernetes Platform.
  • Different Deployment Methodologies A/B Testing, Canary, Blue/Green.
  • Using Ansible to server provisioning and other automation events.
  • Building Disaster Recovery Site on AWS on-demand (Infrastructure as a Code), using Jenkins, Packer, Terraform, PowerShell.
  • Recover SQL Server & Solr on AWS to fast recover when activating DR site, upload backups, and restore regularly (in each hour and each transaction log backup).
  • Responsible for Infrastructure is nearly 150 virtual servers is composed of Linux and windows.
  • Upgrading & Administration of mission-critical main SQL Server 2016 database with always-on high availability.

Data Management and Analytics Manager

Dogus Technology
2015.01 - 2017.01
  • Upgrading & Administration of mission critical main Oracle 11G dwh database.
  • Designing DWH Data infrastructure.
  • Design & Implement ETL (ODI+SSIS+Automic Scheduler) Data Pipeline.
  • Designing a ETL workflow using Python and Apache Airflow.
  • Data(customer) unification project using Java & Neo4J.
  • Integration SQL Server 2016 with Cloudera Hadoop using Polybase to query with Impala / Hive.
  • Working a Data Engineer on Customer Churn project using Ensemble Classification Methods.
  • Using Knime for Data Analytics.
  • Using Vertica for ad-hoc query on big tables.
  • Predictive/Statistical modeling (Linear Regression) on second hand car to predict price (DOD).
  • Building Recommendation Engine for DOD (second hand car).
  • Profiling Inbound & Outbound calls for Call Center Anaytics.
  • Tableau & Hadoop Integration for Reporting.

System and Infrastructure Manager / Technical Architect

Dogus Technology
2013.09 - 2015.01
  • Migration of data center from Garanti technology to Dogus technology.
  • Upgrade & Administration of one of the biggest in-house Erp system Sql server database.
  • Building databases &application servers team.
  • Designing & Implementing monitoring system.
  • Upgrade SQL Servers from Sql 2008 to 2012.
  • AWS POC for dev/test infrastructure.
  • Tableau Report Implementation for Dogus Energy.

Database Technical Manager

Vakıfbank T.A.O Ankara
2010.04 - 2013.09
  • Design & Manage mission critical, high available, high performance database systems.
  • Administration of mission critical core banking Oracle database and branch database.
  • Administration of Oracle Exadata database.
  • Desiging/implementing Backup & Restore Procedure.
  • Cloudera Hadoop cluster installation.
  • SQL in Hadoop (Hive / Impala), Hadoop & OBIEE integration, Hadoop HDFS & Oracle.
  • Integration, Cloudera Hadoop(Hive) Sqoop & Oracle Integration,.
  • Implementing map-reduce programming ETL on Hadoop.
  • OBIEE & IPhone Integration for mobile report.
  • Member of Data Architecture design committee.
  • Consulting DWH Team for dimensional modeling.
  • Consulting DWH ETL Implementation.
  • Data masking prod data for test/dev data.
  • Extended buffer cache on Oracle DWH.
  • Migrating and Designing Core Banking System from Adabas to Oracle (VIT Project).
  • Training Software Engineer on SQL & PL/SQL.
  • Replacing Oracle RAC interconnect with Infiniband.
  • Tuning & Advising SQL & PL/SQL.
  • Golden gate replication from Adabas to Oracle (with Software AG Event Replicator).
  • Golden Gate replication on some Oracle schemas from oltp system to dwh system.
  • Migration from OS files to ASM on Oracle Database.
  • Migrate Oracle OS from Windows and IBM Power to Linux zero downtime using golden gate.
  • Bash shell script for scheduled operation.
  • Upgrade Oracle legacy to Oracle Exadata.

Database & Software Trainer / Consultant

INFOPARK
2000.10 - 2010.04
  • Instructor in Turkey and Abroad.
  • Instructor on Software Development (Java).
  • Instructor on Database (Oracle + SQL Server).
  • Instructor on DWH, ETL, BI.
  • Instructor on System Courses (Windows).

Component Engineer

MIKES
1998.06 - 2000.01

Education

Bachelor of Science - Electrical, Electronics Engineering

METU
Ankara
06.1998

High School Diploma -

Çınarlı Technical High School
Izmir
06.1993

Skills

  • Languages

Java, Python, Go, Bash, PowerShell, PL/SQL, T-SQL

  • Java Frameworks

Spring Boot, Servlet, JSP, JSF, EJB

  • Relational Databases

Oracle (+ Exadata, + Goldengate), SQL Server, HP Vertica, PostgreSQL

  • Load Balancer

HAProxy, Nginx

  • Software Architecture

Monolith, Service Ori. (SOA), Microservice, Serverless, Event-Driven

  • Platform

VMware, Cloud(AWS, Azure)

  • Monitoring / Logging

Prometheus, Grafana, EL(F)K, Nxlog

  • DevOps Platforms / Tools

Jenkins, Docker, Docker Swarm, Kubernetes, Helm, Terraform, Packer, Ansible

  • Data Integration

Apache Airflow, Apache Spark, Apache Nifi, Kafka, Kafka Streams

  • NoSQL

MongoDB, Cassandra, Neo4j, Redis, Memcached, Apache Solr, Elastic, AWS DynamoDB.

  • Operating Systems

Linux, Windows

  • Development IDE

PyCharm, Visual Studio Code, Eclipse

  • Build / Test Environment

Maven, Sbt, Jmeter, Selenium

  • Big Data

Cloudera / Hortonworks, HDFS, Impala, Hive, Sqoop, Zookeeper

  • Machine /Deep Learning

Fast API, Pandas, Scikit-learn, NLP Framework, Deep Learning

  • Reporting / BI Platform

Tableau, OBIEE

  • Methodologies / Tools

OOP, Agile, Scrum, Kanban, Jira, Git, Github, Trello

Certification

  • CNCF Kubernetes (CKAD, CKA, CKS)
  • AWS (DevOps, Big Data, Solution Architect, Machine Learning, Database)
  • Google TensorFlow Developer
  • Oracle DBA 9i,10g,11g (OCA,OCP)
  • Oracle Java (SCJP, SCWCD)
  • Microsoft (MCP,MCSA,MCSE,MCDBA,MCAD,MCTS,MCPD,MCT)

Timeline

DevOps Lead

Kuwait NBK Kuwait City / Kuwait
2019.11 - Current

Technical/Data Architect

Emirates NBD
2019.03 - 2019.11

System & DevOps Manager

Hürriyet Emlak
2017.02 - 2019.03

Data Management and Analytics Manager

Dogus Technology
2015.01 - 2017.01

System and Infrastructure Manager / Technical Architect

Dogus Technology
2013.09 - 2015.01

Database Technical Manager

Vakıfbank T.A.O Ankara
2010.04 - 2013.09

Database & Software Trainer / Consultant

INFOPARK
2000.10 - 2010.04

Component Engineer

MIKES
1998.06 - 2000.01

Bachelor of Science - Electrical, Electronics Engineering

METU

High School Diploma -

Çınarlı Technical High School
  • CNCF Kubernetes (CKAD, CKA, CKS)
  • AWS (DevOps, Big Data, Solution Architect, Machine Learning, Database)
  • Google TensorFlow Developer
  • Oracle DBA 9i,10g,11g (OCA,OCP)
  • Oracle Java (SCJP, SCWCD)
  • Microsoft (MCP,MCSA,MCSE,MCDBA,MCAD,MCTS,MCPD,MCT)

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KADIR SAHAN