Ahmad Karrabi

Ahmad Karrabi

5+ years Experienced Data Engineer adept at building & maintaining data infrastructure and...
United Arab Emirates
English

نبذة عني

5+ years Experienced Data Engineer adept at building & maintaining data infrastructure and developing & testing architecture for data generation. Highly skilled in creating data set processes, maintaining scalable data p…

الخبرة

Data Engineer

TradingBode Startup(Fintech)- Mashhad, IRAN
Sep 2019 - حتى الآن · 7 سنوات 1 شهر

<p>Built the first DWH database for the Startup.<br>
Built, maintained, and supported data pipelines with Apache Airflow<br>
Designed and Implemented cryptocurrency market data ETL, ELT, ETLT<br>
Collaborated with a cross-functional team of Market Analysts, and a Product Manager</p>

Data Engineer

TradingBode Startup(Fintech) - Mashhad, IRAN
Sep 2019 - حتى الآن · 7 سنوات 1 شهر

Built the first DWH database for the Startup.
Built, maintained, and supported data pipelines with Apache Airflow
Designed and Implemented cryptocurrency market data ETL, ELT, ETLT
Collaborated with a cross-functional team of Market Analysts, and a Product Manager

Data Engineer

Rahnegar Gostar Trading Co. - Mashhad, IRAN
Aug 2017 - Aug 2022 · 5 سنوات

<p>Increased Data streaming capacity by analyzing, identifying and unblocking data integration’s bottlenecks that increased the capacity of data streaming by up to 23%.<br>
Tuned Storage Capacity by identifying and resolving data modeling misconceptions in database normalization that improve capacity of data storages by up to 13%.<br>
Increase Customers Satisfaction by setup daily meetings with customers, analyzed their needs, translated and transferred solutions to Development team, Helped Development team to implement data pipelines or reports, present results to customers that increased customer satisfaction rate by up to 7%.<br>
Improved Data Security Performance by design and implement system security and data backup solutions that reduced data security costs by up to 21%.<br>
Improved Issue Tracking Process by automating ETL processes across billions of rows of log data which reduced manual workload on issue tracking by up to 75% monthly.</p>

Database Administrator

Faraz Service Center - Mashhad, IRAN
Nov 2015 - Aug 2017 · 1 سنة 9 أشهر

<p>Improved Data Reliability by build and maintain interdisciplinary data pipelines<br>
Tuned Data structures by remodel Database, redesign indexes and tune queries in MS SQL Server 2008<br>
Improve Database performance by normalize financial and warehouse databases – MS SQL Server 2008</p>

Software Developer

Sadjad Institute of Technology
Jan 2014 - Jan 2015 · 1 سنة

<p>Image Compression by Wavelet Transform Software<br>
MATLAB – Java EE – Python</p>

Data Pipeline Developer

Easy Computer Services Co. - Tehran, IRAN
Mar 2011 - Oct 2013 · 2 سنوات 7 أشهر

<p>Designed, Developed and maintained Data Architecture and Infrastructure<br>
Built first DWH database for company<br>
Setup Data-Driven culture by identify business needs, design, implement and maintain Data Pipelines and design and maintain company’s the first DWH and BI Stack – MS SQL Server 2005 (SSIS, SSAS, SSRS)<br>
Increased Data Reliability by identify, design and implement internal process improvements through automating manual processes, optimizing data delivery, re-designing Database infrastructure to increase scalability – Visual Studio 2008 – MS SQL Server 2005</p>

Software Developer

HomeBase Tec Co.
Jan 2013 - Jan 2013

<p>Online Shopping Application for Android<br>
Android Studio</p>

Database Administrator

Paya System Marv Co.
May 2008 - Mar 2011 · 2 سنوات 10 أشهر

<p>Microsoft Office SharePoint Server Infrastructure Farms<br>
MOSS 2007 – MS SQL Server 2005 – ESXi / Hyper-V Virtualization</p>

Software Developer

Mashhad Electricity Distribution Company
Jan 2007 - Jan 2008 · 1 سنة

<p>Subscriber Management Software<br>
Java EE, Oracle Database</p>

Software Developer

Sootara Lightening Industries
Jan 2006 - Jan 2007 · 1 سنة

<p>Production Planning Software<br>
Warehouse Management Software<br>
Visual Studio 2005, MS SQL Server 2005</p>

Trainer

Technical and Vocational Training School of Mashhad
Jan 2002 - Jan 2007 · 5 سنوات

<p>Serve free technical educations to student who can’t effort University costs.</p>

Software Developer

Iran Graphic Home
Jan 2006 - Jan 2006

<p>Team Task Management Software<br>
Visual Studio .Net 2003, MS SQL Server 2005</p>

Software Developer

Mashhad Technical and Vocational Training Center
Jan 2003 - Jan 2003

<p>Certification Management Software<br>
Visual Basic 6, MS SQL Server 2000</p>

Data Engineer

Rahnegar Gostar Trading Co. - Mashhad, IRAN
Aug 2017 - Aug 2022 · 5 سنوات

Increased Data streaming capacity by analyzing, identifying and unblocking data integration’s bottlenecks that increased the capacity of data streaming by up to 23%.
Tuned Storage Capacity by identifying and resolving data modeling misconceptions in database normalization that improve capacity of data storages by up to 13%.
Increase Customers Satisfaction by setup daily meetings with customers, analyzed their needs, translated and transferred solutions to Development team, Helped Development team to implement data pipelines or reports, present results to customers that increased customer satisfaction rate by up to 7%.
Improved Data Security Performance by design and implement system security and data backup solutions that reduced data security costs by up to 21%.
Improved Issue Tracking Process by automating ETL processes across billions of rows of log data which reduced manual workload on issue tracking by up to 75% monthly.

Database Administrator

Faraz Service Center - Mashhad, IRAN
Nov 2015 - Aug 2017 · 1 سنة 9 أشهر

Improved Data Reliability by build and maintain interdisciplinary data pipelines
Tuned Data structures by remodel Database, redesign indexes and tune queries in MS SQL Server 2008
Improve Database performance by normalize financial and warehouse databases – MS SQL Server 2008

Data Pipeline Developer

Easy Computer Services Co. - Tehran, IRAN
Mar 2011 - Oct 2013 · 2 سنوات 7 أشهر

Designed, Developed and maintained Data Architecture and Infrastructure
Built first DWH database for company
Setup Data-Driven culture by identify business needs, design, implement and maintain Data Pipelines and design and maintain company’s the first DWH and BI Stack – MS SQL Server 2005 (SSIS, SSAS, SSRS)
Increased Data Reliability by identify, design and implement internal process improvements through automating manual processes, optimizing data delivery, re-designing Database infrastructure to increase scalability – Visual Studio 2008 – MS SQL Server 2005

Data Engineer

Trading Bode
Sep 2019 - Dec 2022 · 3 سنوات 2 أشهر

Data Engineer with +6 years of solid Experience in Data Engineer position.
Self-studied, self-motivated with an analytical mindset person

المهارات

ذكاء الأعمال (BI) تخزين البيانات ماي إس كيو إل بوستجريس كيو إل بايثون (لغة برمجة) لغة الاستعلامات الهيكلية (SQL) دمج البيانات وETL خدمات أمازون ويب (AWS) تصميم قواعد البيانات ETL ELT Postgres Data Warehouse Design Data Modeling Pandas MS SQL Server VMWare ESX Hyper-V Linux Windows Docker Git Microsoft Office Microsoft Excel T-SQL Kafka VB.NET Airflow
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