Rayyan Abid Ali
Dammam,
Summary
Detail-oriented Data Analyst with 4 years of experience translating complex datasets into actionable business insights. Skilled in writing optimized SQL queries and data visualization with a strong understanding of business KPIs. Proven track record of improving reporting accuracy, automating workflows, using ETL pipeline development and supporting strategic decision-making with high-impact dashboards.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Data Analyst II
Sary
07.2024 - Current
- Designed simulations to optimize key operational expenses, including delivery cost and sales commissions.
- Developed and deployed complex time-series models from log data to enable proactive updates to our unit economic strategies.
- Built a proof-of-concept using Dagster to optimize our ETL process, resulting in an estimated cost reduction of 20-30%.
- Automated financial calculations using ELT pipelines, reducing manual workload for the operations team and providing faster, more accurate financial insights.
- Enhanced both front-end and back-end components of Looker, optimizing user and developer experience.
- Reduced data redundancy with effective data modeling, ensuring optimal use of storage and compute resources.
Data Analyst
Sary
01.2022 - 07.2024
- Transitioned from Tableau to Looker, ensuring data accuracy and enforcing security best practices for more reliable reporting.
- Migrated codebase from PostgreSQL to Snowflake, optimizing the new codebase for improved performance.
- Analyzed user location data to create custom geographical districts, enabling more targeted reporting.
- Developed performance indexes and KPIs to monitor and improve driver efficiency, providing data-driven insights and operational optimizations.
- Collaborated with stakeholders to identify business needs and data sources.
Associate Data Analyst
Sary
06.2021 - 01.2022
- Leveraged Google Maps API using Python to identify high-potential restaurant leads, contributing to a 300% increase in revenue from the segment.
- Created reports that enabled the operations team to monitor shipping details, improving logistical visibility and response times.
- Developed customized reports, summarizing and presenting data in visually appealing format to gather business insights.
- Created dashboards to monitor and track key performance indicators.
Education
Master of Science - Mechanical Engineering (Focused On Aerospace)
University of Nottingham
Nottingham, UK12-2019
Bachelor of Engineering - Mechanical Engineering
University of Nottingham
Malaysia07-2018
Skills
- SQL
- Python
- Tableau
- Looker
- Snowflake
- Data modeling
- Data cleaning
- ETL processes
- Workflow automation
- MS Excel
Certification
- IBM authorized certification for Data Visualization with Python offered through Coursera.
- IBM authorized certification for Applied Data Science Capstone offered through Coursera.
Timeline
Data Analyst II
Sary
07.2024 - Current
Data Analyst
Sary
01.2022 - 07.2024
Associate Data Analyst
Sary
06.2021 - 01.2022
Master of Science - Mechanical Engineering (Focused On Aerospace)
University of Nottingham
Bachelor of Engineering - Mechanical Engineering
University of Nottingham
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