Middle/Senior Data Scientist

The CHI Software team is not standing still. We love our job and give it one hundred percent of us! Every new project is a challenge that we face successfully. The only thing that can stop us is... Wait, it’s nothing! Now the CHI team is looking for a Senior Data Scientist.

About the Position

We are seeking a Middle/Senior Data Scientist with expertise in Machine Learning, Deep Learning, and Python data analysis to join our dynamic team.

Responsibilities

• Design and implement machine learning models using frameworks like TensorFlow, Keras, PyTorch, and MXNet.
• Perform data analysis and preprocessing using Python libraries such as Pandas, Numpy, and Scikit-learn.
• Develop and optimize algorithms for random forest, xgboost, clustering, and dimensionality reduction (PCA, t-SNE).
• Utilize visualization tools like matplotlib, seaborn, and Plotly for data representation.
• Collaborate with software development teams using tools such as Azure DevOps and Git.
• Communicate effectively in English.

Requirements

• Strong knowledge and proven experience with Machine Learning and Deep Learning.
• Strong practical experience with Deep Learning frameworks like TensorFlow, Keras, PyTorch, MXNet.
• Comprehensive knowledge of the Python data analysis ecosystem (Pandas, Numpy, Scikit-learn, etc.).
• Strong knowledge of Python.
• Good knowledge in random forest, xgboost, clustering algorithms, dimensionality reduction (PCA, t-SNE).
• A good foundation in basic statistics and linear algebra.
• At least minor experience with Python visualization tools (matplotlib/seaborn, Plotly).
• Working knowledge of software development tools such as Azure DevOps, Git, etc.
• Upper-intermediate English level.

Nice to Have

• Knowledge of cloud technologies and platforms.
• Familiarity with computer vision, natural language processing, time-series predictive/anomaly detection analyses, signal processing.
• Understanding SOTA approaches for machine learning problems like unsupervised/semisupervised learning.
• Awareness of the CRISP-DM process model.
• Experience with continuous integration and release management tools.
• Hands-on experience with cloud services and managing production ML lifecycle.

We Offer

• Covered vacation period: 20 business days and 5 days off.
• Free English classes.
• Flexible working schedule.
• Truly friendly and supporting atmosphere.
• Working remotely or in one of our offices.
• Medical insurance for employees from Ukraine.
• Legal support.

Locations

• Krakow, Poland
• Barcelona, Spain
• Limassol, Cyprus
• Tampa (FL), USA
• Lviv, Ukraine

Apply Now

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