Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Sewenet Shegena

Dallas

Summary

Professional in field of machine learning and artificial intelligence, bringing valuable experience in developing advanced models and algorithms. Known for collaborative approach and commitment to achieving results, adapting seamlessly to evolving project requirements. Expertise in programming languages, data preprocessing, and model evaluation, combined with results-driven mindset.

Overview

9
9
years of professional experience
1
1
Certification

Work History

AI/ML Engineer

Airbnb Inc.
03.2022 - Current
  • Developed and deployed machine learning models using AWS SageMaker for dynamic pricing, fraud detection, and customer review analysis.
  • Built and managed ML pipelines using SageMaker Pipelines and integrated them with Lambda for real-time inference.
  • Used BERT-based NLP models to analyze sentiment in guest reviews, improving customer satisfaction score by 18%.
  • Collaborated with data engineers to transform large datasets using AWS Glue and automate feature generation.
  • Monitored models post-deployment using CloudWatch and custom alerts to maintain high prediction accuracy.
  • Optimized machine learning model performance with hyperparameter tuning techniques, achieving improved accuracy and generalization capabilities.
  • Collaborated with cross-functional teams to identify opportunities for process automation using AI, driving operational efficiency.

Machine Learning Developer

CloudZenix LLC
06.2019 - 02.2022
  • Built classification and regression models for client demand forecasting and supply chain optimization.
  • Applied hyperparameter tuning (GridSearchCV, Bayesian optimization) to improve model performance by 22%.
  • Designed REST APIs using Flask to expose trained models for integration with internal tools.
  • Optimized data processing pipelines for efficient handling of large datasets, resulting in reduced computational time.
  • Created dashboards using Power BI and Python visualizations for model insights and business presentations.
  • Mentored junior developers in best practices for machine learning development and deployment, fostering a culture of continuous learning within the team.
  • Maintained automated retraining pipelines with GitHub Actions and scheduled model refresh using AWS Batch.

Data Analyst → Junior ML Engineer

Centraprise Corp.
10.2016 - 05.2019
  • Transitioned from data analytics into machine learning by contributing to predictive analytics projects.
  • Built ETL scripts in Python to preprocess customer churn data; helped build logistic regression models.
  • Conducted exploratory data analysis and A/B testing to validate assumptions in marketing campaign targeting.
  • Supported data migration to AWS Redshift and created Python scripts for automated report generation.
  • Produced monthly reports using advanced Excel spreadsheet functions.
  • Utilized data visualization tools to effectively communicate business insights.

Education

B.Sc. - Computer Science

Addis Ababa University
Addis Ababa, Ethiopia
10-2015

Skills

  • Languages: Python, SQL, Bash
  • Frameworks/Tools: scikit-learn, TensorFlow, PyTorch, XGBoost, Pandas, NumPy
  • Cloud & DevOps: AWS SageMaker, Lambda, S3, EC2, CloudWatch, Git, Docker, Kubernetes
  • Data Tools: AWS Athena, Glue, Redshift, Jupyter, MLflow
  • ML Tasks: Regression, Classification, NLP, Model Optimization, Feature Engineering
  • MLOps: Model Deployment, CI/CD Pipelines, Monitoring, A/B Testing

Certification

  • AWS Certified Machine Learning – Associate
  • AWS Certified Solutions Architect - Associate
  • TensorFlow Developer Certificate (2023)
  • MCSA - SQL Server 2022

Timeline

AI/ML Engineer

Airbnb Inc.
03.2022 - Current

Machine Learning Developer

CloudZenix LLC
06.2019 - 02.2022

Data Analyst → Junior ML Engineer

Centraprise Corp.
10.2016 - 05.2019

B.Sc. - Computer Science

Addis Ababa University

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Sewenet Shegena