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Walid Jan Miakhel

Walid Jan Miakhel


Walid | Germany


My Portfolio Highlights

My New Course

Exploratory Data Analysis in SQL

My New Track

Data Analyst

My New Track

Data Scientist

Data Alchemist: Crafting Insights from Raw Data

My Work

Take a look at my latest work.


Functions for Food Price Forecasts


Demographic Changes in Germany


Sports Retail Data Analysis Project


IT Schools in Berlin Information Aggregator


Project: Analyzing Crime in Los Angeles


Real-time Insights from Social Media Data


My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

DataCamp Data Scientist

Spiced Academy Data Analyst

DataCamp Data Analysis in Excel

DataCamp Data Literacy

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Spiced Academy | Jun 2023 - Aug 2023

Data Analyst

Data analysis with Python Pandas and NumPy libraries Software Development Tools Git, Bash, and Pytest Cloud databases, SQL with Python, and PostgreSQL Data Visualisation with Tableau
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ACTED | Aug 2019 - Aug 2021

Senior Database Officer

Led a data team in developing information products, including reports, data visualizations, data integrity assessments, and statistical analyses. Streamlined data cleaning process by automating manual tasks, saving over 70% of the time previously spent. Designed and developed data collection tools using online platforms like Open Data Kit and XLS forms. Employed R to clean, mine, and analyze structured and unstructured data on humanitarian needs throughout Afghanistan. Ensured data quality through verification and validation procedures. Managed data protection and documentation practices.

Global Booking Travel and Tours | Jun 2017 - Jul 2019

Database Manager

Spearheaded the company-wide digitization initiative, streamlining processes and enhancing data management capabilities. Designed and implemented a comprehensive database to track daily sales, boosting revenue by 20% while streamlining processes and enhancing transparency. Provided training to junior staff on data cleaning, management, and visualization techniques. Developed a system for tracking outstanding payments, improving financial accountability and revenue recovery. Executed data backups and maintenance procedures, ensuring data integrity and accessibility.

Safi Airways | Jun 2015 - Jun 2017

Database Administrator and Commercial Executive Officer

Established and deployed a centralized database to monitor and manage daily sales operations, resulting in a remarkable 40% reduction in time spent on this task. Analyzed business data to identify trends and patterns, providing valuable insights for decision-making. Minimized direct operating costs by utilizing the least-cost method, streamlining flight schedules, and maximizing aircraft utilization, leading to a 69K USD reduction in operational expenses and one less cycle of aircraft utilization. Streamlined credit management by optimizing the debtor tracking system, cutting down the finance department's time consumption by a remarkable 50%. Delivered seminars on data management and reservation system usage to new employees. Collaborated with the IT department in tracking and resolving internet outages, ensuring network stability.

My Education

Take a look at my formal education

Bachelor of Computer Science in Software developmentPune University | 2015

About Me

Walid Jan Miakhel

Hi, I am Walid a seasoned Data Analyst with 6 years in R, Python, SQL, Tableau, PowerBI, and Excel. Proven expertise in transforming complex data into actionable insights for informed decision-making

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