Summary
Overview
Work history
Education
Skills
Languages
References
Timeline
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Rahamathullah Abdul Rahim

Rahamathullah Abdul Rahim

Berlin,Berlin

Summary

Insight-driven Data Analyst with 4 years of hands-on experience in data analytics, specializing in turning Complex datasets into actionable business insights to drive business growth. Proficient in Python, SQL, ETL pipelines, Exploratory Data Analysis (EDA), Power BI and Excel with a strong ability to identify trends, optimized processes and support data driven decision making. Proven track record in predictive modeling, dashboard development and business intelligence across industries Retail ,Supply chain and E-Commerce.

Overview

20
20
years of professional experience
2
2
years of post-secondary education

Work history

Senior Data Analyst

Vast Retail - Darin Group
Erbil, Iraq
10.2021 - 01.2025
  • Handled large volumes of data during peak transaction times, optimizing ETL pipelines to maintain performance and data accuracy under heavy load.
  • Built advanced dashboards and models for performance, product availability, and sales forecasting.
  • Integrated Excel tools with Snowflake for enhanced data accessibility and reporting efficiency.
  • Automated weekly and monthly reports using Excel VBA macros, reducing manual effort by 60%.
  • Streamlined data processing to enhance operational efficiency.
  • Fostered collaboration amongst team members, improving project outcomes.
  • Integrated diverse datasets for holistic view of business performance.
  • Avoiding data extraction, analysis, and system testing, summarizing results in standard quality control reports and documents, and sharing them with business associates.
  • Resolved business problems and single-handed managed end-to-end communication with business partners.

IT analyst

Tata Consultancy Services
Bangalore, India
08.2018 - 05.2019
  • Managed database systems effectively, ensuring data integrity and access control.
  • Liaised with vendors to secure cost-effective solutions.
  • Mitigated cyber threats by designing effective security protocols.
  • Conducted regular system audits for maintaining optimal performance levels.
  • Confirmed defects are raised and updated beneficially and served closely with team to verify on-time resolution.
  • Trained staff on new technologies, facilitating smooth transitions.
  • Updated network infrastructure with latest technology advancements, increasing productivity levels.
  • Collaborated with cross-functional teams for project success.

IT Executive

Landmark Group
Dubai, United Arab Emirates
07.2005 - 08.2018
  • Configured and maintained Oracle Retail ERP system according to business requirements This involved setting up modules, interpreting user roles and permissions, and controlling system configurations
  • Recognized and resolved technical issues and system errors encountered by end-users
  • This included analyzing log files, debugging code, and operating with Oracle support if necessary to address complicated problems
  • Personalized and developed solutions within Oracle Retail ERP system to satisfy specific business requirements
  • This involved evolving custom reports, interfaces, and extensions engaging Oracle technologies such as PL/SQL, Java, and Oracle Forms
  • Rendered training and support to end-users on how to productively use Oracle Retail ERP system
  • This involved organizing training sessions, framing user documentation, and offering ongoing support and assistance to users as and when needed
  • Examined performance of Oracle Retail ERP system and pinpointed areas for maximization
  • This included revamping database performance, tailoring system configurations, and executing best practices to enhance system efficiency and response times

Education

Master of Science - Computer Science

Bharathidasan University
Tamil Nadu,India
07.2000 - 07.2002

Skills

  • ETL process understanding
  • Advanced SQL proficiency
  • Advanced analytics
  • Dashboards creation
  • Tableau competency
  • Data visualisation conceptualising
  • Database management
  • Analytical mindset
  • Python coding
  • Workload prioritisation
  • Excel mastery
  • Power BI
  • SQL reporting

Languages

English
Fluent
German
Beginner

References

References available upon request.

Timeline

Senior Data Analyst

Vast Retail - Darin Group
10.2021 - 01.2025

IT analyst

Tata Consultancy Services
08.2018 - 05.2019

IT Executive

Landmark Group
07.2005 - 08.2018

Master of Science - Computer Science

Bharathidasan University
07.2000 - 07.2002

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Rahamathullah Abdul Rahim