I am a result-oriented IT professional with 16 years of experience, including 10.5 years in Data Engineer/Analyst/Modeler roles and 5.5 years in Java object-oriented development. I have worked in Agile Scrum and Kanban setups across telecommunications and insurance sectors. I excel in BI, data analysis, data modelling, data integration, and data migration. My technical toolkit includes Oracle, MSSQL, PostgreSQL, MySQL, AWS, GCP, Python, Java, and BI platforms such as IBM Cognos, Power BI, Looker, and Tableau. I am comfortable with ETL, SQL, PL/SQL, and cloud-based data warehousing, and I enjoy collaborating with business stakeholders to translate requirements into scalable data solutions.

Mehmet Salih Gok

I am a result-oriented IT professional with 16 years of experience, including 10.5 years in Data Engineer/Analyst/Modeler roles and 5.5 years in Java object-oriented development. I have worked in Agile Scrum and Kanban setups across telecommunications and insurance sectors. I excel in BI, data analysis, data modelling, data integration, and data migration. My technical toolkit includes Oracle, MSSQL, PostgreSQL, MySQL, AWS, GCP, Python, Java, and BI platforms such as IBM Cognos, Power BI, Looker, and Tableau. I am comfortable with ETL, SQL, PL/SQL, and cloud-based data warehousing, and I enjoy collaborating with business stakeholders to translate requirements into scalable data solutions.

Available to hire

I am a result-oriented IT professional with 16 years of experience, including 10.5 years in Data Engineer/Analyst/Modeler roles and 5.5 years in Java object-oriented development. I have worked in Agile Scrum and Kanban setups across telecommunications and insurance sectors.

I excel in BI, data analysis, data modelling, data integration, and data migration. My technical toolkit includes Oracle, MSSQL, PostgreSQL, MySQL, AWS, GCP, Python, Java, and BI platforms such as IBM Cognos, Power BI, Looker, and Tableau. I am comfortable with ETL, SQL, PL/SQL, and cloud-based data warehousing, and I enjoy collaborating with business stakeholders to translate requirements into scalable data solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Advanced
Turkish
Fluent

Work Experience

Data and Functional Analyst/Data Modeler/Contractor at International Post Corporation
February 1, 2025 - September 1, 2025
Domain: Postal & Logistics Services. Data Analysis on Oracle DWH. Creating data extracts based on business requirements. Analyzing/designing ETL packages on Pentaho and PL/SQL. Requirements gathering and UAT with business teams.
Data Analyst/Contractor at Ovo Energy
March 1, 2023 - December 1, 2024
Domain: Energy Data Analysis on GCP BigQuery. Creating data extracts based on business requirements. Developing Tableau reports and Looker dashboards. Data migration constraints’ queries development based on complex business rules. Leading and mentoring a team of 5 Data Analysts.
Data Analyst/Contractor at Ms Amlin
September 1, 2022 - March 1, 2023
Domain: Insurance Data Analysis on Bloodstock Insurance data on MSSQL. Creating data extracts based on business requirements. Developing Power BI reports using DAX and Power Query. Reconciliation of Policy, Claims and Bordereaux data. Data migration from on-prem systems to Azure.
Data Analyst/Modeler/Contractor at Travis Perkins
January 1, 2022 - September 1, 2022
Domain: Retail Data Analysis using GCP BigQuery and Snowflake. Creating ad hoc reports for business users from Hybris PIM and POS. Data visualisation using Google Data Studio (Looker). Developing dashboards using Tableau. Creating and maintaining data dictionary including the business definitions. Defining transformation rules for MDM Data Migration project. Data modelling and data attributes mapping from source to target. Data Profiling using Informatica.
Senior Data Engineer/Modeler/Contractor at Marsh McLennan UK
October 1, 2021 - December 1, 2021
Domain: Insurance. Data Modelling and Data Architecture Design with ER Diagrams and Data Dictionary creation. Data Analysis with SQL queries. ETL Design and development for data integration, validation and cleansing using Alteryx. Stakeholder management with weekly updates. Reports design and development using Power BI (DAX).
Data Architect-Modeler/Contractor at Vodafone UK
April 1, 2021 - October 1, 2021
Domain: Telecommunications. Data Profiling and Source System Analysis. Data modelling and architecture design of a Personal Information Management System using MS Visio. Metadata analysis and Data mapping of several source systems to improve the data model.
Senior Data Engineer-Analyst/Contractor at SCOR Reinsurance
July 1, 2019 - April 1, 2021
Domain: Life Insurance/Reinsurance. Data standardization and migration ETL packages development using Helios platform. Technical analysis and handling large reinsurance premium and claims bordereau from 120 countries using SQL, Access and Excel. End-to-end data integration testing. Validating and implementing actuarial formulae.
Senior Data Engineer-Analyst/Contractor at Vodafone
November 1, 2017 - July 1, 2019
Domain: Telecommunications. DWH - BI analysis and development. Analyzed and processed over 100 million rows of telecom data using advanced SQL and Excel. ETL development using PLSQL and ODI. Data visualisation and dashboarding using Power BI/Power Query. Data integration between source systems and Data Warehouse. Data warehousing on Oracle Exadata and Teradata. Cloud DWH on AWS. Data modelling using ER Studio. Involvement in large DWH projects including ULM and XML/JSON data parsing.
Senior Java Consultant/Contractor at Allianz Insurance
July 1, 2016 - November 1, 2017
Domain: Insurance. Software development using Java and Oracle ADF for UI. Maven, Git experience, WebLogic server experience. Jira for SDLC. Supporting analysis and test cycles. PL/SQL procedures, packages and functions. Data cleansing of insurance policy records.
Senior Business Intelligence and Data Warehouse Consultant/Contractor at Turkcell
April 1, 2014 - July 1, 2016
Domain: Telecommunications. Datawarehouse ETL design and development, testing & UAT. IBM Cognos report development. Data modelling using Power Designer. Analysis of large telco data (millions of rows) with SQL and Excel. 200+ source systems including inventory/asset management, Maximo, and more. BI dashboards in Cognos and MicroStrategy. Involved in data migration to Exadata.
Java Software Developer at Tubitak Bilgem
November 1, 2008 - April 1, 2014
Domain: Research & Development. Software development for electronic signature applications. Java and Hibernate. Web services with Axis. Managing dependencies with Maven. Data modelling/mapping with ER Studio. IBM ClearCase version control. Complex SQL queries integrated to Hibernate objects. Data cleansing of insurance policy records.

Education

Bachelor's Degree in Computer Engineering at Bogazici University
September 1, 2003 - July 1, 2008
Master's Degree in ICT Law at Istanbul Bilgi University
September 1, 2009 - July 1, 2012

Qualifications

Add your qualifications or awards here.

Industry Experience

Telecommunications, Energy & Utilities, Retail, Software & Internet, Professional Services, Government

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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