Empleos de freelance data science engineer python sql en Barcelona

WHO WE ARE At Macadam, we've built an app that rewards people for walking. With over 15 million users worldwide, we help individuals turn their daily steps into positive habits for health, wellbeing, and sustainability. Our team is growing fast, and our ambitions are global. We operate at the intersection of health, gamification, and technology, and we're...

About the role Responsible for administering and configuration of cloud-based core platform and services. This role will also work closely with leadership to understand business requirements, identify priorities and develop roadmap and implementation plans for cloud-based platform solutions Key Job Accountabilities * Design, build, and maintain scalable...

Join Aristocrat as a Data Scientist and help us build world-class mobile gaming experiences! This role offers an outstanding opportunity to be at the forefront of driving player acquisition strategies using innovative data science techniques. At Aristocrat, we cultivate an inclusive and collaborative culture, where innovation and excellence are...

102852 | IT & Tech Engineering | Professional | Non-Executive | Allianz Services | Full-Time | Permanent 130 years of trust, time to shape what's next. Allianz Group is one of the world's leading insurers and asset managers - built on over a century of stability, expertise, and financial strength. Allianz Services is where that legacy meets the future....

En Exdesis incorporamos un/a Data Engineer para participar en el diseño y desarrollo de soluciones de datos orientadas a sistemas de Inteligencia Artificial, trabajando con arquitecturas cloud, capas semánticas y bases de conocimiento. Requisitos Entre 4 y 5 años de experiencia en Data Engineering, Software Engineering o AI Engineering. Nivel avanzado...

Job Reference 383_26_AII_AIT_RE2 Position Research Engineer - Agentic systems in AI for Science - AI4S (RE2) Closing Date Monday, 31 August, 2026 Reference: 383_26_AII_AIT_RE2 Job title: Research Engineer - Agentic systems in AI for Science - AI4S (RE2) About BSC The Barcelona Supercomputing Center - Centro Nacional de Supercomputación (BSC-CNS) is...

Welcome to the good side of tech 👋 You might have heard about us, but with a different name: Doctoralia. It all started 12 years ago when we asked ourselves: is anyone in healthcare thinking about patients? We jumped in and we empowered patients by giving them access to leave and read reviews about their visit. We then provided doctors with the technology...

Welcome to the good side of tech 👋 You might have heard about us, but with a different name: Doctoralia. It all started 12 years ago when we asked ourselves: is anyone in healthcare thinking about patients? We jumped in and we empowered patients by giving them access to leave and read reviews about their visit. We then provided doctors with the technology...

Overview WELCOME TO SITA At SITA, we keep airports moving, airlines flying smoothly, and borders open. Our technology and communication innovations power the success of the global air travel industry. You'll find us in 95% of international airports, working closely with over 2,500 transportation and government clients. Each partnership brings unique...

Location: Spain, Experience: 8+ Years building and deploying machine learning models and llms into high-scale customer experiences Stack: Python, PyTorch/TensorFlow, SQL, Databricks, Snowflake. Our Team At Vista Engineering, we are building an industry-leading Customer Relevance Platform to scale personalization across products, design templates, and...

🚀 Aristocrat is looking for a Machine learning Engineer 💰 Salary: Up to 73k gross/year 📍 Hybrid in Barcelona (2 days office / 3 days home) 🏝️ Perks: Gympass gold plan, 25 vacation days + 1 day on your birthday, Flexible payment - daycare, transport, etc., Pension plan 1% base salary, Food at the office twice a week About...

About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for travel, launched Agoda to make it easier for everyone to explore the world. Today, we are part of Booking Holdings [NASDAQ: BKNG], with a diverse team of over 7,000 people from 90 countries, working...

About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for travel, launched Agoda to make it easier for everyone to explore the world. Today, we are part of Booking Holdings [NASDAQ: BKNG], with a diverse team of over 7,000 people from 90 countries, working...

Hi! 👋 At Factorial we're on the lookout for a Data Analyst to raise the bar on how we turn data into decisions across the business 🚀. The Role ✨ At Factorial, data sits at the heart of every decision we make — and we're looking for a Data Analyst to make it count where it matters most: our people. This is a hybrid role that combines two...

Job Description As a Data Engineer (Analytics & Products) at Kleinanzeigen, you start where the data need begins — not where the code does. You will work directly with product managers, analysts, and domain stakeholders to understand what decisions the data needs to support, how it will be consumed, and what already exists in the platform before writing a...

About Qilimanjaro Qilimanjaro is building full-stack superconducting quantum computers, from QPUs and cryogenic infrastructure to control electronics, racks, cabling, instrumentation and deployment software. Our Systems & Engineering division is what turns a quantum processor into a complete, reliable, scalable machine. We are a small, hands-on team. Every...

Datavant is the data collaboration platform trusted for healthcare. Guided by our mission to make the world’s health data secure, accessible and actionable, we provide critical data solutions for organizations across the healthcare ecosystem - including providers, health plans, researchers, and life sciences companies. From fulfilling a single patient’s...

Join us at Entrust At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in...