freelance data science engineer python sql

This position is based at our friendly office in Warsaw, and you will join our Customer Rating & Analytics team (CRA) which is part of the regulatory Reporting Solutions (RS) domain. For almost two decades CRA has developed systems that assist the banks in ensuring compliance throughout their credit journey. This includes Customer Rating data, Customer...

Location:Krakow, Lesser Poland, PolandJob ID: R0136445Date Posted:2026-07-31Company Name:HITACHI ENERGY SERVICES SP. Z O.O.Profession (Job Category):Engineering & ScienceJob Schedule: Full timeRemote:NoJob Description:The OpportunityHitachi Energy is looking for a Senior Test Engineer to join our engineering team focused on building large-scale wireless...

Choose a partner with intimate knowledge of your industry and first-hand experience of defining its future.Select your locationSelect your locationIndustriesChoose a partner with intimate knowledge of your industry and first-hand experience of defining its future.Warszawa, Gdańsk, Wrocław, Kraków, Poznań# Data Engineer with Databricks## **Our...

Job Description & SummaryPwC Poland’s Digital&IPA team comprises 500 people. We are responsible for IT projects for Polish and international clients. The number of tasks we undertake is extensive: from design, building and implementation, through preparation of functional specifications and analysis of data in source systems, to the definition of business...

At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and...

At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and...

MWDN is a global IT outstaffing company with 23+ years of experience that connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We offer opportunities to work on international products in a stable and professional environment. Why does MWDN rock? Here’s what you can expect when you join...

Addepto is a leading AI consulting (addepto.com/ai-consulting/) and data engineering (addepto.com/data-engineering-services/) company that builds scalable, ROI-focused AI solutions for some of the world's largest enterprises and pioneering startups, including Rolls Royce, Continental, Porsche, ABB, and WGU. With an exclusive focus on Artificial Intelligence...

Addepto is a leading AI consulting (addepto.com/ai-consulting/) and data engineering (addepto.com/data-engineering-services/) company that builds scalable, ROI-focused AI solutions for some of the world's largest enterprises and pioneering startups, including Rolls Royce, Continental, Porsche, ABB, and WGU. With an exclusive focus on Artificial Intelligence...

Addepto is a leading AI consulting (addepto.com/ai-consulting/) and data engineering (addepto.com/data-engineering-services/) company that builds scalable, ROI-focused AI solutions for some of the world's largest enterprises and pioneering startups, including Rolls Royce, Continental, Porsche, ABB, and WGU. With an exclusive focus on Artificial Intelligence...

We are looking for a Senior Data Engineer with a Platform focus to take a leading role in the architecture and evolution of our internal Data Platform. You'll operate as a domain expert — designing scalable open-source platform infrastructure, defining standards adopted across the team, and mentoring engineers around you. This is a senior individual...

About Atos Group   Atos Group is a global leader in digital transformation with c. 63,000 employees and annual revenue of c. €8 billion, operating in 61 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, Atos Group is committed to a secure and decarbonized...

EY GDS Poland is seeking a Senior Data Engineer to design and build data platforms that enable clients and partners to make informed decisions. You will work with Databricks and modern data warehousing technologies to deliver robust data solutions across global projects.You will collaborate with engineers, product managers and partners worldwide, applying...

DescriptionSenior Data EngineerWho We AreSimple Machines is a global, independent technology consultancy operating across Sydney, New Zealand, London, and Poland. We design and build modern data platforms, intelligent systems, and bespoke software at the intersection of Data Engineering, Software Engineering and AI.We work with enterprises, scale-ups, and...

Location: Warszawa, PL Gdansk, PL Opole, PL Łódź, PL Bydgoszcz, PL Wroclaw, PL Krakow, PL Atos Group is a global leader in digital transformation with c. 63,000 employees and annual revenue of c. €8 billion, operating in 61 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high...

Sii Poland is seeking a data engineer to join our Data & Analytics Competency Center. You will design and build scalable data platforms, develop ETL/ELT pipelines, and collaborate with analytics teams to deliver insights.You should have 4+ years of experience with SQL, Python, Spark/PySpark, and Azure-based data processing (Databricks, Data Factory,...

We’re looking for a Data Analytics Engineer to join our Data team and help us shape the data ecosystem in the company. You’ll likely thrive in this role if you have a strong analytical mindset and proven experience in transforming complex data into actionable insights. If a dynamic, cross-functional environment brings out your best, you’ll feel right...

What's the role? We are looking for a strong AI Data Engineer to help make HERE data AI-ready for the CoE's portfolio of use cases, building the pipelines, integrations, data products, and governed access patterns that enable AI solutions, agents, and automations to operate on trusted information. This role works across enterprise systems, platforms, and...

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...

Sii Poland is seeking a Data Engineer to join our Data & Analytics team, working with Google Cloud Platform, BigQuery, and data pipelines. You will design, implement, and maintain scalable data solutions and collaborate with analytics, BI, and product teams to deliver reliable data assets.Ideal candidates have 4+ years in production data roles, strong SQL...