Are you ready to take on meaningful data challenges while working in a supportive, collaborative environment? At Sii, we partner with a leading global biotech company driving innovation in life sciences, pharma, and diagnostics. Their technologies help scientists and clinicians around the world extract insights from complex biological data, and now they’re transforming digitally, with Sii as a trusted partner on that journey.
We're looking for a Senior Data Scientist who’s eager to work with modern tech, contribute to real-world impact, and grow in a people-centered organization that values your voice and expertise.
Sounds like a fit? Let’s get in touch – apply now and shape the future with us.
responsibilities :
Leading end-to-end data science projects—from problem definition and data exploration to model deployment—within a cross-functional, matrix environment
Designing and implementing advanced statistical models and machine learning algorithms to generate insights from complex biological and operational datasets
Acting as a strategic data partner for business and R&D teams—translating their needs into actionable analytical solutions that support decision-making across the company
Presenting findings in a clear, impactful way to both technical and non-technical stakeholders, ensuring insights are understood and applied
Supporting the development and improvement of the team’s data science infrastructure, including data pipelines, dashboards, and model performance monitoring
requirements-expected :
Minimum 5 years of experience as a Data Scientist, including leading machine learning and advanced analytics projects in a business environment
Proficient in Python and / or R, with practical experience using libraries like scikit-learn, TensorFlow, Keras, PyMC3, XGBoost, or Statsmodels
Strong knowledge of statistics, probability theory, and time-series analysis, including methods such as Bayesian inference, ARIMA, MCMC, and ANOVA
Experienced in modern software development workflows and tools like Git, JIRA, Azure DevOps, and familiar with cloud platforms (preferably Azure), big data technologies such as Spark, and ETL pipelines
Very good command of English (minimum B2), enabling clear communication and collaboration with international teams
offered :
Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People
Utwórz powiadomienie o ofertach pracy dla tego wyszukiwania
Senior Data Scientist • Warszawa, Masovian, Poland
Podobne oferty
Senior Data Scientist
AsanaWarsaw
Data scientists are at the crux of deepening our understanding of the customers and driving more business outcomes by leveraging experimentation, causal inference, statistical and machine learning ...Pokaż więcejOstatnia aktualizacja: 18 dni temu
Senior Data Scientist
kempuriWarszawa, Polska
We are seeking a highly skilled and experienced Senior Data Scientist to join our esteemed IT sector team in Warszawa.This role is pivotal in driving the implementation of end-to-end Computer Visio...Pokaż więcejOstatnia aktualizacja: ponad 30 dni temu
Senior Data Scientist
Sunscrapers sp. z o.o.Warsaw, Masovian Voivodeship, PL
Quick Apply
Sunscrapers is a technology consultancy that empowers finance and healthcare leaders to succeed by leveraging cutting-edge software, data, and AI.
We combine world-class engineering, deep industry e...Pokaż więcejOstatnia aktualizacja: 20 dni temu
Senior Data Scientist
Chabre IT Services Sp. z.o.oWarszawa, Polska
Working as a Senior Data Scientist, you will : .Design, develop, and deploy end-to-end machine learning (ML) solutions, including data preprocessing, feature engineering, model creation, and evaluati...Pokaż więcejOstatnia aktualizacja: ponad 30 dni temu
Senior Data Scientist @ dotData
dotDataWarszawa, Poland
Data is hiring a customer-facing data scientist who is excited about automating data science.This position requires working directly with customers to use dotData products to solve their challengin...Pokaż więcejOstatnia aktualizacja: 21 dni temu
Senior Data Scientist (Remote)
SpeedappBracka 25, Warszawa
We’re looking for a Data Scientist who thrives on turning data into intelligent products and actionable insights at a massive scale.
You’ll own projects end-to-end, from ideation and experimentation...Pokaż więcejOstatnia aktualizacja: 1 dzień temu
Senior Data Scientist @ Sunscrapers
SunscrapersWarszawa, Poland
Sunscrapers is a technology consultancy that empowers finance and healthcare leaders to succeed by leveraging cutting-edge software, data, and AI.
We combine world-class engineering, deep industry e...Pokaż więcejOstatnia aktualizacja: 21 dni temu
Promowane
Senior Data Scientist, Chrome
GoogleWarszawa, Masovian, Poland
Chrome is a consumer, developer, and enterprise facing product and platform with users.Data-driven insights and metrics are a key part of making decisions about Chrome.
The Data Science team blends ...Pokaż więcejOstatnia aktualizacja: 7 dni temu
Senior AWS Data Scientist (NLP)
1dea Kośnik sp.kWarszawa, Polska
Specjalista na tym stanowisku będzie odpowiedzialny za kluczowe aspekty projektu związanego z przetwarzaniem języka naturalnego i mowy.
Zainteresowane osoby prosimy o przesłanie CV w języku angielsk...Pokaż więcejOstatnia aktualizacja: ponad 30 dni temu
Promowane
Senior Data Scientist / Tech Lead
AddeptoWarszawa, Masovian, Poland
As a Senior Data Scientist / Tech Lead, you will have the exciting opportunity to work with a team of technology experts on challenging projects across various industries, leveraging cutting-edge t...Pokaż więcejOstatnia aktualizacja: ponad 30 dni temu
Promowane
Senior Data Scientist
Be in ITWarszawa, mazowieckie, Polska
Długofalowa współpraca z międzynarodową, topową firmą consultingową, świadcząca usługi IT dla dużych i średnich firm z różnorodnych sektorów jak automotive, finanse, bankowość czy produkcja.Projekt...Pokaż więcejOstatnia aktualizacja: 27 dni temu
Senior Data Scientist
PwCWarszawa
In PwC Poland’s Digital& we create innovative applications and deliver data-driven insights by combining software engineering expertise with advanced data analysis, including GenAI applications.Our...Pokaż więcejOstatnia aktualizacja: ponad 30 dni temu
Senior Data Scientist @ Sii Polska
Sii PolskaWarszawa, Poland
We are looking for an experienced and forward-thinking Senior Data Scientist to join our medical client’s team.In this role, you will lead the development and implementation of machine learning alg...Pokaż więcejOstatnia aktualizacja: 26 dni temu
Senior / Master Data Scientist
SantanderWarszawa
Senior / Master Data ScientistCountry : Poland.Wrocławiu (Robotnicza), Poznań (Kolorowa) i Warszawę (biuro przy Rondzie ONZ) .
Jesteśmy bankiem z zapleczem technologicznym.W naszej centrali łączymy kil...Pokaż więcejOstatnia aktualizacja: 6 dni temu
Promowane
Senior Data Scientist (Consumer Inspiration)
Allegro sp. z o.o.Warszawa, Masovian, Poland
A hybrid work model requires 1 day a week in the office (Warsaw).In the Consumer area, we pursue the best possible customer experience, starting from main site visits, through browsing, searching a...Pokaż więcejOstatnia aktualizacja: 20 dni temu
Senior Data Scientist
BayerWarszawa, Mazowieckie, PL
At Bayer we’re visionaries, driven to solve the world’s toughest challenges and striving for a world where ,Health for all, Hunger for none’ is no longer a dream, but a real possibility.We’re doing...Pokaż więcejOstatnia aktualizacja: 6 dni temu
Senior Data Scientist
softgarden e-recruiting gmbhWarszawa, mazowieckie, Polska
Design, build, and scale machine learning systems, including recommendation engines and predictive models for real-world business applications.
Analyze both structured and unstructured data, applyin...Pokaż więcejOstatnia aktualizacja: 12 dni temu
Senior Data Scientist
NielsenIQWarsaw, 30, PL
NielsenIQ is a consumer intelligence company that delivers the Full View, the world’s most complete and clear understanding of consumer buying behavior that reveals new pathways to growth.Since 192...Pokaż więcejOstatnia aktualizacja: 18 dni temu