Meisam Ghafarlangroudi
Data Scientist
Experience
Data Scientist
Geeks Ltd
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
Data Scientist
Mellat Bank
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%
Data Scientist
Hosh and Dansh
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%
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Banking and Finance (3.5 years), Education (3 years), Information Technology (3 years), Food and Beverage (1 year), and Retail (1 year).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Business Intelligence (7 years), Marketing (3.5 years), Finance (3.5 years), Research and Development (3.5 years), Product Development (3 years), and Supply Chain Management (1 year).
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
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
Profile
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