{"id":2112463,"url":"https://alion.io/job/ds-stream-remote-senior-data-scientist","title":"[Remote] Senior Data Scientist","company":{"id":3926958,"name":"Ds Stream","domain":"dsstream.com","url":"https://alion.io/company/ds-stream","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland","Katowice, Poland","Wrocław, Poland","Poznań, Poland","Gdańsk, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150,"max":175,"currency":"PLN","period":"hour","gross":null,"usd_annual":90000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Computer Vision","optional":false},{"name":"GCP","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"Recommender Systems","optional":false},{"name":"Scikit-learn","optional":false},{"name":"SQL","optional":false},{"name":"Time Series Forecasting","optional":false}],"status":"live","first_seen_at":"2026-10-02T10:45:20Z","employer_posted_date":null,"last_verified_at":"2026-10-02T10:45:20Z","board_verified":false,"closed_at":null,"days_open":15,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":15},"description":"At DS STREAM, we harness the power of AI, Data Science, and Cloud Solutions to drive growth and innovation for global brands. With over 180 experts and 130+ industry certifications, we deliver impactful solutions tailored to your business needs.\n\nWhy join us?\n\nWork on impactful, large-scale projects that influence real business outcomes.\n\nEngage with a variety of data types: tabular, textual, image, and time series.\n\nSolve complex technical problems by combining domain knowledge with advanced ML techniques.\n\nCollaborate with a team of experts eager to share their knowledge.\n\nWhat we offer:\n\nFlexible working hours, 100% remote work (in the EU)\nCollaboration with experienced specialists (backend, infrastructure, AI)\nSalary adequate to skills\nOpportunity for further development and feature expansion\n\nIf you’re looking for an exciting role in Data Science where you can make an impact and grow, we’d love to hear from you!\nZakres obowiązków\nBuild and maintain machine learning models for predictive analytics, optimization, and forecasting.\nDevelop recommendation systems and algorithms to support data-driven decisions.\nProcess and enhance datasets, including feature engineering and computer vision tasks (e.g., image analysis).\nConduct data quality audits, ensure dataset integrity, and prepare data for modeling.\nDesign and run proof-of-concept experiments to validate assumptions and key performance indicators.\nCollaborate with teams and stakeholders to refine requirements, interpret results, and deliver actionable insights\nWymagania\nRequirements:\n\nAt least 5 years of experience in Data Science, including production-level model deployment.\n\nProficiency in Python programming (Tensofrlow, PyTorch, Scikit-Learn) and advanced SQL skills.\n\nExperience with large-scale data processing and ML models.\nProven track record with complex predictive modeling, recommendation systems, and optimization techniques.\n\nAbility to translate business challenges into ML solutions.\nWorking knowledge of at least one public cloud environment (Azure, GCP or AWS).\n\nExcellent 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