freelance data science engineer python sql

Your role As an AI Data Engineer, you will develop and maintain scalable data pipelines and AI-ready cloud infrastructure to support analytics, machine learning, and business intelligence solutions. You will work closely with engineering and AI teams to ensure reliable, secure, and high-quality data processing across multiple systems and platforms. Your...

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...

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...

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...

Bank Millennium poszukuje Eksperta ds. Data Science (Modelowanie Wartości Klienta) w Warszawie. Do obowiązków należy rozwijanie metodologii CLV oraz prowadzenie analiz i eksperymentów ukierunkowanych na wzrost wartości klienta i efektywności działań sprzedażowych, relacyjnych i utrzymaniowych.Wymagane jest 3 lata doświadczenia w analityce,...

Data Science Senior Specialist Do naszego zespołu poszukujemy doświadczonego Specjalisty ds. Data Science, który będzie odpowiadać za projektowanie i wdrażanie zaawansowanych modeli analitycznych oraz algorytmów wspierających kluczowe procesy biznesowe w obszarach produkcji, finansów, łańcucha dostaw, business analytics. Szukamy osoby, która...

We're seeking a Python Engineer skilled in Cloud technologies to support a strategic initiative for one of our major clients. You will build, refine, and deploy secure, scalable solutions leveraging Python and contemporary cloud platforms. Working alongside cross-functional teams will be critical to developing innovative software systems that tackle complex...

We're seeking a Python Engineer skilled in Cloud technologies to support a strategic initiative for one of our major clients. You will build, refine, and deploy secure, scalable solutions leveraging Python and contemporary cloud platforms. Working alongside cross-functional teams will be critical to developing innovative software systems that tackle complex...

Title: Sr Engineer – Python with Prompt Engineering Exp: 7- 10 years 9 (Overall exp cannot be more than 17 years) Work Location: Poland – Work from Home Fixed Term Employment Must have skills mentioned below Python (5+ years) for AI/ML and backend services AWS Cloud (3+ years) – Bedrock, Lambda, S3, OpenSearch, ECS/EKS (Any cloud ) Knowledge of...

About Tripadvisor We believe that we are better together, and at Tripadvisor we welcome you for who you are. Our workplace is for everyone, as is our people powered platform. At Tripadvisor, we want you to bring your unique perspective and experiences, so we can collectively revolutionize travel and together find the good out there. Tripadvisor is the...

About Tripadvisor We believe that we are better together, and at Tripadvisor we welcome you for who you are. Our workplace is for everyone, as is our people powered platform. At Tripadvisor, we want you to bring your unique perspective and experiences, so we can collectively revolutionize travel and together find the good out there. Tripadvisor is the...

A leading technology distributor in Warsaw is seeking a skilled Big Data Engineer to join an exciting project for a top banking client. You will build and enhance Big Data solutions using Python and Apache Spark. Ideal candidates have a minimum of 3 years' experience with BigData technologies and advanced SQL knowledge. The position requires working on-site...

6/18/26 At TE, you will unleash your potential working with people from diverse backgrounds and industries to create a safer, sustainable and more connected world. Why you should join You will play a key role in shaping how AI transforms global manufacturing operations across Europe, the Americas, and Asia. This is a rare opportunity to move beyond...

A leading FTSE 100 fintech is looking for a Senior Data Engineer to join its global Data Engineering function and contribute to a major transformation of its data platform.The team is consolidating a complex data estate onto GCP, creating a scalable and trusted platform that supports analytics, compliance, Data Science and increasingly sophisticated AI/ML...

WHAT WE OFFER:Paid, full-time internships in the heart of the software industryPost-internship career opportunities (i.e. return internship, FT role)Exposure to a fast-paced, fun and inclusive cultureA chance to work with world-class experts on challenging projectsOpportunity to provide meaningful contributions to a real system used by customersHigh level of...

Knowit Poland poszukuje doświadczonego specjalisty Data Science, który łączy zaawansowane kompetencje analityczne z praktycznym podejściem do ML i uczenia maszynowego. Dołączysz do projektu dla klienta z branży meblarskiej i będziesz oceniać wykonalność rozwiązań, eksperymentować z prototypami oraz przekładać problemy biznesowe na...

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 market...

A Snapshot of Your Day Join the Advanced Data Solutions team within Compression Service at Siemens Energy, where you will play a pivotal role in shaping our digital future. Imagine designing, building, and operating cutting‑edge data products and AI-powered applications that enhance our global service business. You will take charge of our cloud data...

Overview The Digital& team at PwC Poland consists of nearly 400 people. We are responsible for IT projects for both Polish and international clients. We carry out a wide range of tasks—from designing, building, and implementing solutions, through developing functional specifications, analyzing data in source systems, to defining business requirements,...

At TE, you will unleash your potential working with people from diverse backgrounds and industries to create a safer, sustainable and more connected world.  Why you should join You will play a key role in shaping how AI transforms global manufacturing operations across Europe, the Americas, and Asia. This is a rare opportunity to move beyond traditional...