freelance data science engineer python sql

Sii Polska is seeking a skilled Data Engineer to join our team in Warsaw, with on-site presence at the client’s office and monthly visits. You will migrate and modernize data and analytics processes, working with analytics and data engineering teams to deliver scalable solutions.Ideal candidates have 4+ years in data processing, strong SQL with BigQuery,...

Location: Poland We Are: RTB House is a global company that provides state-of-the-art marketing technologies for top brands and agencies worldwide. Its proprietary ad-buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to generate outstanding results and reach their goals at every stage of the...

At Ceartas, we lead the way in AI-powered brand protection, copyright law, and digital security, safeguarding the integrity of content creators, brands, and enterprises worldwide. As we scale rapidly, we're looking for a Data & Python Software engineer to drive innovation in our data pipelines and crawling technologies. In this pivotal role, you'll...

Ambition Needs a Place to Grow.At Playtika, we create mobile games enjoyed by millions worldwide.Ambition Needs a Place to Grow.At Playtika, we create mobile games enjoyed by millions worldwide. Combining the scale of a public company (NASDAQ: PLTK) with the speed and ownership of a startup, we are a global leader where innovation, data, and creativity shape...

Support the development of modern data solutions within a large-scale Azure environmentBuild and maintain reliable data pipelines, ensuring high-quality data processing and enabling advanced analytics and business intelligence solutionsFocus strongly on Python-based data engineering, with less emphasis on reporting developmentData...

Bristol Myers Squibb in Warsaw, Poland, seeks a Senior Manager, Data Science to lead data science and advanced analytics for drug development. You will join the DSAA team to translate complex, multimodal data into testable hypotheses and actionable insights in support of clinical development decisions.Responsibilities include building reproducible pipelines...

  Senior Data Engineer - Snowflake & Python Specialist Location: Warsaw Contract Type: ContractRemote Status: Hybrid Duration (months): 6 Design and build scalable data pipelines using Snowflake, Python and DBT Lead the migration and automation of RBAC roles with configuration-driven approaches Collaborate with data architects and scientists on...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. We're building a dataset to evaluate AI coding agents - how well a...

Astek Polska rekrutuje Mid Data Engineer dla klienta z branży farmaceutycznej. Rola obejmuje budowę i utrzymanie pipeline’ów ETL do hurtowni danych, pracę nad modelem gwiazdy oraz optymalizację zapytań w środowiskach produkcyjnych.Wymagana jest biegła znajomość SQL Server i T-SQL, doświadczenie z .NET/C#, Python oraz narzędziami BI. Praca w...

🚀 Cloud Data Engineer (AWS / Terraform / Python) Location: Poland (Remote) Contract: B2B, Full-Time Join the Future of Digital Tech with KolomoloAt Kolomolo, we don’t just follow trends - we set them. As a global supplier of IT services and digital modernization solutions, we help businesses embrace cutting-edge technology to optimize their...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. We're building a dataset to evaluate AI coding agents - how well a...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. We're building a dataset to evaluate AI coding agents - how well a...

Working with UsChallenging. Meaningful. Life-changing. Those aren’t words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest breakthroughs in cell therapy, this is work that transforms the...

DescriptionPlease submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.We're building a dataset to evaluate AI coding agents -...

Wir suchen einen erfahrenen AI & Data Science Engineer (m/w/d), der die digitale Transformation in einem hochinnovativen Hightech-Umfeld aktiv mitgestaltet. Deine Aufgaben: Entwicklung, Implementierung und Einsatz von Datenanalyse-, Prozessoptimierungs- und Machine-Learning-Lösungen für innovative Messsysteme. Analyse großer Datenmengen, einschließlich...

Who we are Moniepoint is a global fintech building modern financial services for millions of people and businesses across high-growth markets. We provide payments, banking, credit, and financial management tools - reliable products that people and businesses use every day to run their lives, grow their companies, and move money safely. Our mission is simple:...

DescriptionCiklum is looking for a Python Engineer to join our team full-time in Poland.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...

We are partnering with top-tier global financial institutions to scale their core technology and data infrastructure. We are looking for an experienced and product-oriented Python Data Engineer to join our technology group. In this role, you will work at the intersection of cutting-edge technology and institutional finance. You will collaborate closely with...

We are looking for an experienced Senior Data Engineer / Data Platform Engineer to join an international Data team within the e-commerce and digital marketplace industry.The team is responsible for building next-generation, cloud-based data solutions capable of ingesting and processing petabytes of data across data lakes and data...

22,500 – 28,000 PLN Important: if an employer asks you to log into their system via iCloud or Google, send a code, an SMS or Telegram password, run some code, or install software — refuse. These are signs of fraud. For our client, a leading player in the eCommerce industry, we are seeking a Senior Python Developer to join a talented engineering team. In...