Candidates 73
$1500 / mo
≈ $18000 / year net
Data Scientist, Data Analyst
Ukraine · Kyiv · 5 years of experience · Upper-Intermediate ·Published yesterday
Ukraine · Kyiv · 5 years of experience · Upper-Intermediate ·Published yesterday
Main projects:
1. Production optimization: R, tidyverse
• Conducted production process analysis and identify critical issues and gaps for an established process center
• Identified influential indicators of production optimization and their relationship
• Build predictive models using various machine learning tools to predict product growth
2. Formation and approaches to forecasting the exchange rate: R, tidyverse
• Mentoring a group of researchers, monitoring the timing and quality of implementation.
• Dive the interaction and partnership between the managers to ensure active cooperation in identifying as well as defining analytical needs
• Build predictive models with a variety of machine learning tools to predict currency rates.
• First place in the competition
3. Financial and economic justification of the legislative initiative: R, tidyverse
• Developed a model of clustering of draft laws using SOM for scaling and forming clusters of similarity of projects
• Developed an information processing algorithm with the involvement of NLP and methods of machine and statistical learning
• Led training sessions on the econometrics and clustering algorithms for justification of the legislative initiative
Now I'm working as Associate Professor at Department of Mathematical Modeling and Statistics, ІІТЕ, KNEU.
I want to join the data science team and deepen my knowledge and skills.
Docent: academic status
- work in team
- self-development and self-education
- share and gain knowledge
- time series analysis
- other fields of data science
I do NOT want to do:
- work alone on a project
- routine work without the possibility of development and improvement.
$5000 / mo
≈ $60000 / year net
Senior Data Scientist
Ukraine · Kyiv · 6 years of experience · Upper-Intermediate ·Published 1 May
Ukraine · Kyiv · 6 years of experience · Upper-Intermediate ·Published 1 May
- Built an hierarchical text classifier working with 8 languages for the whole AIB taxonomy - MGID company
- Created the CPA optimization model: CR is doubled while the number of leads is -10% - MGID company
- Realized and implemented the algorithm identifying random/fraud clicks - MGID company
- Created the model identifies level-quality gaps in the game - FragLab company
- Fully created the MVP for an ads recommender model for 800 millions MAU - MGID company
- Developed a ML version of an item recommender model for different requirements setups - Rocket Delivery company
- Built a supply-demand manager from scratch as a service -Rocket Delivery company
- Fully developed vehicle prediction service as a part of the fraud detection system - Rocket Delivery company
- Different other ML models and analytical solutions
$10000 / mo
≈ $120000 / year net
GenAI, Prompt Engineer, LLMs, Data Scientist, Machine Learning Engineer, MLOps
Ukraine · 6 years of experience · Upper-Intermediate ·Published 1 May
Ukraine · 6 years of experience · Upper-Intermediate ·Published 1 May
I love teaching and enjoy the challenge of communicating complex concepts clearly and concisely.
Experience:
- GenAI, LLMs.
- MLOps, development, deployment, testing, experimenting, leading the team, planning
- Designed and created algorithms, built models, and prototyped solutions.
- Worked in a team with the Software Engineers, Data Analysts, Data Scientists, and Data Engineers of the Data team, as well as our business contacts (Product teams, Sales, Customer Engagement, Marketing, etc.).
- Proposed innovative use cases (features in the product/algorithms to scale our business);
- Manage data scientists.
- Train former data analysts to become data scientists.
- Build the ML Solutions (AWS SageMaker, AWS Lambda, AWS Batch, API Gateway, MLFlow, Azure Databricks), Datastore (S3, Snowflake) stack.
Most recent projects:
- GenAI (Email, document processing, code generation, RAG systems, auto-testing using OpenAI / custom LLMs)
- Identify items in the store that exist in the system but do not exist on the shelf.
- Email text processing to extract valuable information for vessel logistics.
Past projects:
- Predict the likelihood of clicking on the AD by the user
- Content Recommendation Engine – Recommend posts to users by their view history
- Missing inventory on the shop shelf classification
- Article content classification (auto-moderation system)
- Churn prediction
- User segmentation to similar groups by their behavior features
- Keyword extraction from post content
- NER – Entity extraction from post content
Also:
Regression:
- Forecasting the demand for goods.
Clustering:
- Motion detection by sensor data.
Recommendation systems:
- Recommended Cold Start Movie System.
- System for recommending the next action (purchase/view) for the user
Computer Vision:
- Counting the number of people in the cinema hall.
- Recognize identification numbers on the railway carriage.
- Fashion image segmentation.
- Pet photo analysis.
- QR code detection
- National Technical University of Ukraine 'Kyiv Polytechnic Institute' FICT Computer Engineer - Bachelor's
- National Technical University of Ukraine 'Kyiv Polytechnic Institute' PMA Data Scientist - Master's
Hackathons:
- Churn prediction, define if the employee will quit the company (SoftServ) 3rd place.
- System for recommending movies on streaming service (sweet tv) 3rd place.
- Book rating prediction (INT20H) 2nd place.
- Forecasting system for retail (Hack4Retail) 3rd place.
Participant Kyivstar BigDataSchool 2018
$3000 / mo
≈ $36000 / year net
Data Scientist / Machine Learning Specialist
Ukraine · Kyiv · 5 years of experience · Advanced/Fluent ·Published 30 April
Ukraine · Kyiv · 5 years of experience · Advanced/Fluent ·Published 30 April
• data analysis and preprocessing
• testing, developing and fine-tuning different ML models
• time series analysis
• image detection and recognition
Technical skills:
• Programming languages: Python
• AI and ML Libraries: Pandas, Mathplotlib, Scikit-Learn, Tensorflow, PyTorch, GluonTS, opencv
• Databases: MySQL, SQLite, Snowflake
• Cloud services: AWS
• Familiar with git, Hadoop, JIRA
Recent projects I took part in:
• Time series prediction for the sport goods retail company
• Traffic sign recognition and detection for German customer
• Damage detection on the concrete walls for German customer
• EEG data processing and visualisation for the medical startup
• Large language model adjusting and deploying on AWS
• Custom chatbot creation for the calltracking service
Seeking an opportunity to solve interesting tasks in the fields of Machine Learning and Data Science. Got a special interests for the projects connected with Natural language processing, image recognition and biotechnologies.
$5000 / mo
≈ $60000 / year net
Data Science Team Lead
Ukraine · 5 years of experience · Upper-Intermediate ·Published 28 April · In passive search
Ukraine · 5 years of experience · Upper-Intermediate ·Published 28 April · In passive search
I promote innovation and establish the foundation for data-driven intelligence to meet business needs. I’m a team player who believes that communication plays a vital role in achieving success. I’m committed to engaging with challenging tasks, motivated by a strong desire to consistently deliver outstanding results
Technical skills:
Data Science: TensorFlow, Keras, PyTorch, Scipy;
GIS: Xarray, Geopandas, Fiona, Rasterio, GDAL, PyGrib, Shapely, ArcPy, Datacube, OSGeo;
Parallel Processing: Threading, Subprocess, Dask;
Data Analysis & Visualization: Pandas, Numpy, Matplotlib, Seaborn, Plotly;
Cloud Computing: AWS (EC2, S3).
Communication skills:
Public Speaking;
Technical Reporting;
Cross-Functional Collaboration;
Mentoring;
Team management;
Certifications:
TensorFlow Developer Certificate, TensorFlow (Feb 2024)
DeepLearning.AI TensorFlow Developer, Coursera (Aug 2023)
AWS - From Professional to Expert, Udemy (Feb 2023)
$9000 / mo
≈ $108000 / year net
Machine Learning Engineer
Ukraine · Kyiv · 5 years of experience · Upper-Intermediate ·Published 28 April · In passive search
Ukraine · Kyiv · 5 years of experience · Upper-Intermediate ·Published 28 April · In passive search
- As a Machine Learning Researcher at Reface, increased the accuracy of the image classification model by 40% compared to the baseline, managed datasets to help machine learning engineers find data quickly, and conducted research for new trending machine learning applications.
- As a Teacher of Machine Learning at Hillel IT School, taught a range of topics, including mathematics for ML, regression, dimensionality reduction, clustering, decision trees, as well as ML concepts such as convolutional, recurrent, transformer layers, and generative models. Also taught a wide range of Deep Learning areas, such as Computer Vision, NLP, and Recommendation Systems.
- As an Artificial Intelligence Developer in freelance work, solved clients' problems with Deep Learning and Machine Learning methods, using a range of technologies including PyTorch, TensorFlow, Keras, scikit-learn, Docker, AWS, Databricks, MLflow, OpenCV, DVC, Lighting, and Streamlit.
- Holds a Master of Mathematics and Computer Science and a Bachelor of Mathematics and Computer Science from Taras Shevchenko National University of Kyiv.
- Worked on several projects, including a Medium blog about Artificial Intelligence, a personal blog about machine learning experience, a Telegram channel about the latest machine learning news and publications, and a tracker of the latest machine learning publications and code.
- Interested in working on cutting-edge AI research and development projects related to computer vision, NLP, and recommendation systems. Also interested in exploring new AI technologies and techniques and sharing knowledge through teaching and mentoring.
- Increased accuracy of image classification model by 40% at Reface, achieving a significant improvement in the accuracy of its image classification model, which could have had a positive impact on the company's product offerings.
- Developed and launched a personal blog about artificial intelligence, sharing insights and experiences on a variety of ML and DL topics.
- Participated in hackathons and competitions, developing innovative solutions and earning accolades such as first place among 16 teams in Reface Wild Wild Hack 2021 and 55% accuracy in Google Hash Code 2019.
$5200 / mo
≈ $62400 / year net
Data Scientist, R programing, R+shiny programing
Ukraine · 6 years of experience · Upper-Intermediate ·Published 26 April
Ukraine · 6 years of experience · Upper-Intermediate ·Published 26 April
- Developing the hourly revenue prediction system and anomaly detection, real-time mode
- Developing the auto-bidding algorithm for the optimization of CAC and ROI (san, video
networks) - ad set/country/creative level
- Recommendation of best creatives for campaigns
- Deploying models to the production (R, Airflow, Docker, slack notifications)
- Detecting cheaters by analyzing dialogs using the ChatGPT API
- Developing an application for time series forecasting
- Developing of marketing waterfall model, ROI campaigns monitoring
- Development of scoring models (R, BigQuery, PostgreSQL) - Churn Rate, Conversion Rate, Active days prediction, etc.
- Development from scratch of the anomaly detection system (R package)
- Creation of automatic system for controlling main metrics of business departments (R, BigQuery, Shiny)
Development from scratch of the anomaly detection system (R package)
$5500 / mo
≈ $66000 / year net
Senior Android Developer
Ukraine · More than 10 years of experience · Upper-Intermediate ·Published 26 April · In passive search
Ukraine · More than 10 years of experience · Upper-Intermediate ·Published 26 April · In passive search
• Proficient in Kotlin and Java
• Kotlin Coroutines and Jetpack Compose
• API Protocols: REST, gRPC
• Version Control: GitHub, Bitbucket, GitLab
• Design patterns
• Interested in transitioning to an ML/AI role, with a particular focus on Computer Vision
Played a key role in developing Openpay's, a leading payments fintech in Australia, mobile application which helped the company go public with over 300k active users.
Contributed to the development of ironSource's mobile app Aura, which helps mobile operators increase revenue and helped the company to go public with over 8 million active users.
Helped develop the mobile application for Reface (AI Face Swap App), a well-known Ukrainian company with over 15 million active users.
$8000 / mo
≈ $96000 / year net
Senior Data Engineer
Ukraine · 6 years of experience · Upper-Intermediate ·Published 26 April · In passive search
Ukraine · 6 years of experience · Upper-Intermediate ·Published 26 April · In passive search
- Spark Streaming applications
- Data lakes on AWS
$8000 / mo
≈ $96000 / year net
Senior/Lead Data Scientist/Machine Learning Developer
Ukraine · Kyiv · 10 years of experience · Advanced/Fluent ·Published 26 April
Ukraine · Kyiv · 10 years of experience · Advanced/Fluent ·Published 26 April
I have more than 9 years of software development experience (big corps & start ups) on roles related to machine learning, data science/engineering and R&D from scratch, last 4 years have been taking part in leading teams.
Looking for projects with real-world data and sensible business model involved in deep learning/machine learning and data streaming.