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Meisam Ghafarlangroudi

Data Scientist

Meisam Ghafarlangroudi
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Berlin, Germany

Experience

Jun 2023 - Present
2 years 10 months
London, United Kingdom

Data Scientist

Geeks Ltd

Expertise details
Position Summary
Data Scientist at Geeks Ltd
Industries
Education
Information Technology
Business Areas
Business Intelligence
Marketing
Product Development

Geeks Ltd is an educational technology company focused on innovative language learning solutions. They developed the WordUp mobile app, a leading platform for mastering English vocabulary through AI-driven personalized learning.

  • Utilized a Large Language Model (LLM) at WordUp, tailored to enhance vocabulary learning by understanding and generating contextual examples, improving personalized learning experiences
  • Utilized machine learning to analyze user behavior and predict churn, identifying key engagement trends that led to a 15% increase in user retention and satisfaction
  • Designed and analyzed A/B experiments for new app features, measuring engagement and retention impact; provided actionable insights that improved user activation by 15%
  • Developed a Customer Lifetime Value (CLTV) prediction model, leading to a 10% increase in average CLTV through targeted retention efforts
  • Developed a Bayesian Marketing Mix Model to optimize budget allocation across digital and offline channels, improving ROI by 12%
  • Designed and implemented a high-performance Python ETL pipeline, optimizing CPU and I/O utilization and streamlining data cleansing logic, resulting in a 30% reduction in processing time
  • Reduced abandonment rate by 10% by analyzing user onboarding behavior and identifying key drop-off points
Feb 2020 - May 2023
3 years 4 months
Tehran, Iran, Islamic Republic of

Data Scientist

Mellat Bank

Expertise details
Position Summary
Data Scientist at Mellat Bank
Industries
Banking and Finance
Business Areas
Business Intelligence
Finance
Research and Development

Mellat Bank boasts a staggering customer base of over 50 million individuals in Iran. Renowned for its extensive range of offerings, the bank provides a comprehensive suite of services exceeding 100, including innovative options like Buy Now, Pay Later (BNPL) solutions.

  • Developed a news trading algorithm using Fin-BERT and GPT3 and sentiment analysis to predict short-term price movements in Forex and Crypto markets, achieving a 20% improvement in trading signal accuracy
  • Built an ensemble model combining XGBoost with a deep auto encoder to detect anomalies in credit card transactions in real time, reduced false positives by 25% and improved fraud recall by 15%
  • Implemented a customer churn prediction model, reducing churn by 15% and enhancing customer retention strategies
  • Built recommendation engines to suggest banking products to customers, enhancing cross-selling opportunities by 22%
  • Developed a sentiment analysis model using BERT to analyze Instagram comments, achieving over 85% accuracy and providing actionable insights for customer engagement strategies
  • Engineered a forecasting model using Deep AR to predict credit usage with an R-square value exceeding 80%, optimizing financial planning
  • designed and implemented a credit risk scoring system that improved early identification of high-risk applicants and reduced default rates by 12%
Mar 2019 - Feb 2020
1 year
Tehran, Iran, Islamic Republic of

Data Scientist

Hosh and Dansh

Expertise details
Position Summary
Data Scientist at Hosh and Dansh
Industries
Food and Beverage
Retail
Business Areas
Business Intelligence
Marketing
Supply Chain Management

Ibiar.com is an online grocery platform developed by Smart and Science.

  • Created machine learning models to predict inventory needs, reducing holding costs by 15%
  • Built models to predict customer churn, enabling proactive retention efforts that decreased churn rate by 12%
  • Implemented algorithms that adjusted pricing based on demand forecasting, increasing revenue by 10%

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Banking and Finance, Education, Information Technology, Food and Beverage, and Retail.

Banking and Finance
Education
Information Technology
Food and Beverage
Retail
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Business Intelligence, Marketing, Finance, Research and Development, Product Development, and Supply Chain Management.

Business Intelligence
Marketing
Finance
Research and Development
Product Development
Supply Chain Management
Profile match chart

Skills

  • Python

  • R Programming

  • Scala

  • Snowflake

  • Ms Sql Server

  • Nosql

  • Milvus

  • Mongodb

  • Bigquery

  • Elasticsearch

  • Postgre

  • Aws (S3, Glue, Redshift, Lambda, Kinesis)

  • Google Cloud Platform (Gcp)

  • Azure

  • Airflow

  • Dbt

  • Ssis

  • Ssas

  • Apis Services

  • Docker

  • Terraform

  • Kubernetes

  • Ci/cd

  • Fastapi

  • Git

  • Github

  • Slack

  • Jira

  • Confluence

  • Kubeflow

  • Agile Development

  • Ms Power Bi

  • Google Looker

  • Tableau

  • Metabase

  • Google Analytics

  • Data Studio

  • Apache Spark

  • Ray

  • Hadoop

  • Regression Models

  • Classification

  • Time Series Analysis

  • Deep Learning (Tensorflow, Pytorch)

  • Llm

  • Faiss

  • Scann

  • Huggingface

  • Rag

  • Bert

  • Sentiment Analysis

  • Nlp

  • Vector Search

  • Web Scraping

  • Mmm

  • Llama

  • Lora

  • Llama Index

  • Langchain

  • Transformers

Languages

English
Advanced
German
Intermediate

Education

IU International University of Applied Sciences, Berlin

Master of Data Science · Data Science · Berlin, Germany

Science and Culture University, Iran

Master of Financial Engineering and Risk Management · Financial Engineering and Risk Management · Tehran, Iran, Islamic Republic of

Azad University, Iran

Bachelor of Industrial Engineering · Industrial Engineering · Tehran, Iran, Islamic Republic of

Statistics

Experience

Total positions 3
Experience in Banking and Finance 3.5 y
Avg length 2 y 4 m
Longest experience 3 y 3 m

Global Experience

Countries worked in 2 (Iran, Islamic Republic of, United Kingdom)
Primary country Iran, Islamic Republic of

Expertise

Recent roles Data Scientist
Main industries Banking and Finance, Education, Information Technology
Main business areas Business Intelligence, Marketing, Finance

Qualifications

Highest degree Master

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Meisam based?

Meisam is based in Berlin, Germany.

What languages does Meisam speak?

Meisam speaks the following languages: English (Advanced), German (Intermediate).

How many years of experience does Meisam have?

Meisam has at least 7 years of experience. During this time, Meisam has worked in at least 1 role and for 3 different companies. The average length of individual experience is 2 years and 4 months. Note that Meisam may not have shared all experience and actually has more experience.

What roles would Meisam be best suited for?

Based on recent experience, Meisam would be well-suited for roles such as: Data Scientist.

What is Meisam's latest experience?

Meisam's most recent position is Data Scientist at Geeks Ltd.

What companies has Meisam worked for in recent years?

In recent years, Meisam has worked for Geeks Ltd and Mellat Bank.

Which industries is Meisam most experienced in?

Meisam is most experienced in industries like Banking and Finance, Education, and Information Technology. Meisam also has some experience in Food and Beverage and Retail.

Which business areas is Meisam most experienced in?

Meisam is most experienced in business areas like Business Intelligence, Marketing, and Finance. Meisam also has some experience in Research and Development, Product Development, and Supply Chain Management.

Which industries has Meisam worked in recently?

Meisam has recently worked in industries like Banking and Finance, Education, and Information Technology.

Which business areas has Meisam worked in recently?

Meisam has recently worked in business areas like Business Intelligence, Finance, and Research and Development.

What is Meisam's education?

Meisam holds a Master in Data Science from IU International University of Applied Sciences, Berlin, a Master in Financial Engineering and Risk Management from Science and Culture University, Iran and a Bachelor in Industrial Engineering from Azad University, Iran.

What is the availability of Meisam?

Meisam is immediately available part-time for suitable projects.

What is the rate of Meisam?

Meisam's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Meisam?

To hire Meisam, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Market avg: 750-910 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.