Data Scientist

Lingaro; Warszawa; On-site; PLN 240,000 - 320,000; Full time

Job summary

A leading data science consulting firm in Poland is seeking an analytical professional to lead and run end-to-end data science initiatives. You will analyze findings, prepare recommendations, and engage in pre-sales activities. Candidates should have strong experience with data science models, fluency in Python, and excellent business acumen. This role offers flexible working hours, a supportive environment, and numerous learning opportunities.

Benefits

Stable employment

Workation policy

Flexible working hours

Comprehensive onboarding program

Unlimited access to Udemy

Certificate training programs

Upskilling support

Diverse and inclusive environment

Health and wellbeing activities

Qualifications

• Commercial experience with data science and ML models.
• Experience in an analytical role supporting business.
• Strong business acumen.

Responsibilities

• Running end-to-end initiatives in data science.
• Analyzing findings and making recommendations.
• Engaging in pre-sales activities.

Skills

Data science and Machine Learning models

Customer analytics DS concepts

Model hyperparameter tuning

Model validation frameworks

Python fluency

Basic SQL knowledge

Cloud computing platforms (Databricks, GCP, Azure)

Business acumen

Tools

DS/ML libraries

OOP in Python

MLOps

Job description

Growth through diversity, equity, and inclusion. As an ethical business, we do what is right — including ensuring equal opportunities and fostering a safe, respectful workplace for each of us. We believe diversity fuels both personal and business growth. We're committed to building an inclusive community where all our people thrive regardless of their backgrounds, identities, or other personal characteristics.

Tasks

• Running end-to-end initiatives (Business understanding, Data understanding/preparation, Modeling, Evaluation and Deployment)
• Analyzing and interpreting the findings
• Drawing conclusions and recommendations - including expected benefits and measuring ROI for enhancing business processes
• Pre-sales activities (at senior consultant level)

Requirements

• commercial experience with various classical data science and Machine Learning (ML) models (e.g. decision trees, ensemble-based tree models, linear regression etc.)
• familiarity with customer analytics DS concepts or advanced forecasting
• model hyperparameter tuning
• model validation frameworks
• experience with business requirements gathering, transforming them into technical plan, data processing, feature engineering, models evaluation
• previous experience in an analytical role supporting business will be a plus
• fluency in Python, basic working knowledge of SQL
• knowledge of specific DS/ML libraries
• solid experience in one of the cloud computing platforms (Databricks or GCP or Azure)
• basic computer programming skills and familiarity with programming concepts
• strong business acumen
• experience with deep learning, reinforcement learning or other advanced modeling concepts in classical Data Science problems

Nice To Have

• understanding of Causal machine learning
• experience in working with big data and distributed environments would be a plus
• commercial experience proven by multiple successful projects in the areas of forecasting would be a big plus
• Experience with OOP in Python
• Experience with MLOps
• familiarity with other languages R, Scala would be a plus

Missing one or two of these qualifications? We still want to hear from you! If you bring a positive mindset, we'll provide an environment where you feel valued and empowered to learn and grow.

We Offer

• Stable employment. On the market since 2008, 1500+ talents currently on board in 7 global sites.
• Workation. Enjoy working from inspiring locations in line with our workation policy.
• Great Place to Work® certified employer.
• Flexibility regarding working hours and your preferred form of contract.
• Comprehensive online onboarding program with a “Buddy” from day 1.
• Cooperation with top-tier engineers and experts.
• Unlimited access to the Udemy learning platform from day 1.
• Certificate training programs. Lingarians earn 500+ technology certificates yearly.
• Upskilling support. Capability development programs, Competency Centers, knowledge sharing sessions, community webinars, 110+ training opportunities yearly.
• Grow as we grow as a company. 76% of our managers are internal promotions.
• A diverse, inclusive, and values-driven community.
• Autonomy to choose the way you work. We trust your ideas.
• Create our community together. Refer your friends to receive bonuses.
• Activities to support your well-being and health.
• Social fund benefits for everyone. All Lingarians can apply for social fund benefits, such as vacation co-financing.
• Plenty of opportunities to donate to charities and support the environment.
• Modern office equipment. Purchased for you or available to borrow, depending on your location.