freelance data science engineer python sql

Responsibilities As a Data Science Engineer, you will develop data-driven solutions on AWS — combining data analysis, feature engineering, statistical thinking, and hands-on data engineering. You will work closely with business, engineering, and platform teams to turn data into actionable insights and scalable analytical workflows. Responsibilities:...

City : Warsaw State : Mazowieckie (PL-MZ) Country : Poland (PL) Requisition Number: 44367     Overview: We are seeking a highly motivated and experienced Data Science Manager, with strong expertise in commercial analytics and to join our growing team. As Data Science Manager, you will be responsible for leading a team of data scientists,...

Nasze wymagania:wykształcenie wyższe (idealnie: informatyka, matematyka, statystyka, Data Science).minimum 3 lata doświadczenia w obszarze Data Science,bardzo dobra znajomość języka Python,doświadczenie z bibliotekami Machine Learning (np. scikit-learn, TensorFlow, PyTorch, XGBoost),bardzo dobra znajomość SQL,znajomość metod statystycznych oraz...

Data Science ManagerDate: Jul 7, 2026City : Warsaw State : Mazowieckie (PL-MZ) Country : Poland (PL) Requisition Number: 44367Overview:We are seeking a highly motivated and experienced Data Science Manager, with strong expertise in commercial analytics and to join our growing team. As Data Science Manager, you will be responsible for leading a team of data...

Arini Capital Management is a specialized alternative asset manager with a diverse credit investment offering across public and private credit, supported by a highly sophisticated global institutional investor base. Founded in 2021 with a primary focus on European credit markets and an approach rooted in fundamental credit analysis, Arini manages capital...

**Powering the agentic revolution in travel.** Sabre is an AI-native technology leader, backed by one of the world’s largest travel data clouds. Built on an open, modular, cloud-native architecture, Sabre serves as the backbone for both established leaders and bold, new disruptors, guiding them to the next age of travel retailing through intelligent,...

Fetcherr builds responsible AI that transforms market complexity into measurable profit growth. At the core of the company is the Market Model - a proprietary AI-powered model delivering accurate, granular demand predictions with 96% forecast accuracy and real-time decision intelligence for commercial teams. Built on a glass-box architecture, it uses...

ResponsibilitiesDesigning and building a stable, scalable, near real‑time and reliable BMC Helix data replication solutionBuild, design and maintain data architecture ensuring complete collection and quality of data while adhering to best data practicesDesign, build, test and maintain data pipelinesTroubleshooting and innovatingWorking within SAFe Scrum...

Senior Python / AI Data Engineer About the Client Our client is a leading global investment management company headquartered in London, managing $228+ billion in assets for institutional investors, pension funds, wealth managers, and other sophisticated clients worldwide. The company specializes in quantitative investing, alternative investments, systematic...

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:...

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...

We are looking for an experienced Data Engineer (Snowflake / SQL) to join a cross-functional technology team working on a modern data-driven platform supporting complex business processes within the life sciences sector. In this role, you will be responsible for building and maintaining reliable data solutions, working with large and diverse datasets and...

Working with Us Challenging. 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...

XTB online investing is seeking a Data Engineer to join the Core Data Platform team. You will design, build and scale data pipelines, ensure data quality, and drive integration across multiple source systems using Python, SQL and Spark.You will contribute to architecture, standards, and IaC, collaborating across teams while enabling reliable, real-time data...

Description Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major...

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 the future of entertainment. Here, your ideas matter, your decisions impact products, and your...

Pricing Data Science Developer Wrocław, Poland Responsibilities Contribute to the exploration of possibilities and methods of utilizing artificial intelligence and business intelligence to improve data and reporting. Help to guide the design and contribute to the development of PowerBI/RShiny/Streamlit Business Intelligence dashboards for Pricing &...

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...

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...

Szukamy doświadczonej osoby, która łączy zaawansowane kompetencje analityczne z praktycznym podejściem do Data Science i uczenia maszynowego. Jeśli potrafisz krytycznie oceniać koncepcje analityczne, przekładać problemy biznesowe na odpowiednie podejścia ML i chcesz samodzielnie pracować z danymi oraz modelami, ta oferta może być właśnie dla...