Looking for Data Science or ML Engineering roles with complex technical challenges and direct business impact. I thrive building scalable pipelines, real-time systems, and production ML models. Seeking collaborative teams that value ownership, innovation, and experimentation. Open to various industries including tech, fintech, and healthcare. Remote or hybrid positions preferred.
Binyam Sisay
@binyamsisay
Data Scientist & ML Engineer building production systems. Specialized in Python, NLP, distributed computing. Delivered measurable business impact.
What I'm looking for
Data Scientist and ML Engineer with 5+ years of experience building production-grade machine learning systems and scalable data pipelines across diverse industries including adtech, healthcare, AI platforms, and enterprise software.
Currently optimizing real-time bidding systems and revenue algorithms, I've delivered measurable impact: increased daily revenue by $10K+, reduced infrastructure costs by 91%, and improved system performance metrics by up to 40%. My expertise spans the full ML lifecycle—from data engineering and model development to deployment and monitoring.
Technical strengths include Python, SQL, Spark, Airflow, PyTorch, and cloud platforms (AWS, GCP, Azure). I specialize in building high-throughput data pipelines, NLP systems, and real-time analytics solutions that handle millions of daily operations while maintaining sub-50ms latency.
Notable achievements include developing mortality prediction models with 97.8% accuracy for healthcare applications, accelerating campaign creation by 80% through intelligent automation, and architecting microservices that support 4M+ daily active users.
I hold a Master's in Computer Science from Sofia University (3.9 GPA) and a Bachelor's in Computer Engineering from Addis Ababa University (3.7 GPA). I'm passionate about leveraging data science to solve complex business problems and create systems that deliver tangible value.
Open to opportunities in data science, ML engineering, and analytics leadership roles where I can drive innovation and business growth through advanced analytics and intelligent systems.
Experience
Work history, roles, and key accomplishments
Senior Data Scientist
the cool company
Apr 2025 - Present (9 months)
Integrated ID5 universal ID and real-time identity resolution to increase daily gross revenue by $10,000+, and designed allocation models and real-time analytics that improved inventory quality by 35% and DSP allocation efficiency by up to 40%.
AI Engineer
Rizz-Buzz
Oct 2024 - May 2025 (7 months)
Engineered a scalable RAG pipeline and platform-agnostic ML infrastructure that reduced retrieval time by 25%, improved model adaptability by 20%, and enhanced chatbot accuracy by 30%.
Data Scientist
Adludio
Apr 2022 - Aug 2024 (2 years 4 months)
Built data science pipelines and microservices that accelerated campaign creation by 80%, cut infrastructure costs by 91%, and reduced processing latency by 99% while improving campaign phasing by 27%.
Backend Developer
CNET
May 2020 - Sep 2021 (1 year 4 months)
Containerized legacy back-office apps with Docker and Kubernetes, introduced microservices and monitoring to enhance stability by 85% and reduced resource utilization by 40%, while improving backend response times by 70% for 4M+ daily users.
Education
Degrees, certifications, and relevant coursework
Sofia University
Master of Science, Computer Science
2024 - 2025
Grade: 3.9
Master's in Computer Science pursued from April 2024 to April 2025 with a 3.9 GPA.
Addis Ababa University
Bachelor of Science, Computer Engineering
2015 - 2020
Grade: 3.7
Bachelor's in Computer Engineering completed from September 2015 to December 2020 with a 3.7 GPA.
Tech stack
Software and tools used professionally
AWS Amplify
Snowflake
Apache Spark
AWS Glue
Redash
Plotly.js
Kubernetes
NumPy
Pandas
PySpark
dbt
MySQL
PostgreSQL
Gmail
OpenCV
Terraform
AWS CloudFormation
JavaScript
Python
AWS Elastic Load Balancing ...
Amazon Machine Learning
Azure Machine Learning
PyTorch
Kafka
FastAPI
Prometheus
AWS Lambda
Google Sheets
Docker
Airflow
Time Analytics
Amazon Web Services (AWS)
Amazon Athena
SQL
XGBoost
Score
pgvector
Availability
Location
Authorized to work in
Website
binyamatnafu.vercel.appPortfolio
sites.google.com/view/binyamSalary expectations
Social media
Job categories
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