Senior Data Scientist

Ciklum is looking for a Senior Data Scientist to join our team full-time in Ukraine.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Senior Data Scientist, become a part of a cross-functional development team engineering experiences of tomorrow.

We are looking for a Senior Data Scientist to analyze complex data, optimize pipelines, and develop advanced models that drive business insights. You’ll work closely with cross-functional teams to provide actionable recommendations and support data-driven decision-making across the organization.

Responsibilities:

• Perform analysis for data on Monthly basis (working with a big amount of data, running scripts, bug fixing)
• Analyzing outputs on different levels and uploading them to PowerBI
• Working with pipeline optimization and simplification
• Development of prototype solutions, mathematical models, algorithms, machine learning techniques, and robust analytics to support analytic insights and visualization of complex data sets
• Work on exploratory data analysis so you can navigate a dataset and come out with broad conclusions based on initial appraisals
• Provide optimization recommendations that drive KPIs established by product, marketing, operations, PR teams, and others
• Interacts with engineering teams and ensures that solutions meet customer requirements in terms of functionality, performance, availability, scalability, and reliability
• Work with stakeholders throughout the organization to identify opportunities for leveraging company data to drive business solutions
• Drive innovation by exploring new experimentation methods and statistical techniques that could sharpen or speed up our product decision-making processes
• Cross-trains other team members on technologies being developed, while also continuously learning new technologies from other team members
• Contribute to unit’s activities and community building, participate in conferences, and provide excellence in exercise and best practices

Requirements:

We know that sometimes, you can’t tick every box. We would still love to hear from you if you think you’re a good fit!

• 5+ years of development of Data Science solutions with a proven track record of leveraging analytics to drive significant business impact
• Bachelor's/Master's degree in Mathematics, Statistics, Computer Science, Operations Research, Econometrics or related field
• Python, Pandas, basic power bi knowledge, machine learning (regressions, classic methods)
• Proven ability to relate and solve business problems through machine learning and statistics
• 4+ years of experience applying various machine learning techniques: regression, classification, clustering, dimensional reduction, time series prediction, and/or outlier detection, recommendation systems
• Understanding of advantages and drawbacks of machine learning algorithms as well as their usage constraints including performance
• 4+ years of experience in Python development of machine learning solutions and statistical analysis: Pandas, SciPy, Scikit-learn, XGBoost, LightGBM, and/or statsmodels, imbalanced-learn libraries
• Experience diving into data to consider hidden patterns and conducting error analysis
• 2+ years experience in data visualization: Power BI, Tableau, and/or Python libraries like Matplotlib and Seaborn
• Experience with SQL for data processing, data manipulation, sampling, reporting
• 3+ years experience creating/maintaining of OOP Machine Learning solutions
• Understanding of CRISP-ML(Q) / TDSP concept
• 1+ year of experience with MLOps: integration of reliable Machine Learning Pipelines in Production, Docker, containerization, orchestration
• 2+ years of experience with Clouds (AWS, Azure, GCP) and Clouds AI And ML Services(e.g. Amazon Sage Maker, Azure ML)
• Excellent time and project management skills, with the ability to manage detailed work and communicate project status effectively to all levels

Desirable:

• Probability Theory & Statistics knowledge and intuition as well as understanding of Mathematics behind Machine Learning
• 1+ year of experience in Deep Learning solution development with Tensorflow or PyTorch libraries
• Data Science / Machine Learning certifications, or research experience with papers being published
• Experience with Kubernetes
• Experience with Databricks, Snowflake platforms
• 1+ year of BigData experience, i.e. Hadoop / Spark
• Experience with No-SQL, and/or columnar/graph databases

What's in it for you?

• Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance, Mental Health programs, as well as financial and legal consultations
• Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications
• Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
• Own your schedule – you are the one to decide when to start your working day. Just don’t miss your regular team stand-up
• Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential
• Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
• Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events

About us:

Discover the pros of 20-year global experience! Join one of the largest IT companies in Ukraine, awarded as one of the top 10 employers in Ukraine by Forbes.

Boost your skills and make a difference with cutting-edge projects, skilled colleagues and the latest tech stacks.

Ciklum has been recognised as a veteran-friendly business by the Veteran Hub in Ukraine.

We're committed to creating a welcoming environment for veterans and developing processes that meet their needs. We value the skills and unique perspectives military veterans can bring to our business and are willing to support their transition to civilian life.

Be bold, not bored!

Experiences of tomorrow. Engineered together

Interested already?

We would love to get to know you! Submit your application. Can’t wait to see you at Ciklum.