Empleos de freelance machine learning developer python en Barcelona

Craft:Data, Analytics & Strategy Job Description:Join King’s AI/ML & Data Science Talent Pool!At King, we’re always interested in connecting with talented people across AI, Machine Learning, Data Science and Analytics who are passionate about using data and technology to create better experiences for millions of players. Whether...

Smadex is a leading advertising technology company founded in Barcelona in 2011 and sold to American-based and stock-listed Entravision in 2018 (NYSE::EVC). We are one of the top mobile ad-tech companies in the world and the largest Demand Side Platform (DSP) based in Europe, with our revenues over +$100M and consistently growing +40% YoY over the past...

About FundamentalFundamental is an AI company pioneering the future of enterprise decision-making. Founded by DeepMind alumni, Fundamental has developed NEXUS – the world's most powerful Large Tabular Model (LTM) – purpose-built for the structured records that actually drive enterprise decisions. Backed by world class investors and trusted by Fortune 100...

About Air AppsAt Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices...

Smadex is a leading advertising technology company founded in Barcelona in 2011 and sold to American-based and stock-listed Entravision in 2018 (NYSE::EVC). We are a fully transparent platform built with top technology, countless programmatic management features and powerful machine learning algorithms to help advertisers grow their business at scale. We...

Work smart, have fun and make an impact! EcoVadis is the leading provider of business sustainability ratings. Our solutions are backed by an international team of experts and powerful technology. We analyze data and build sustainability scorecards that give companies actionable insights into their environmental, social and ethical risks. Why apply to...

About the opportunity Are you passionate about cybersecurity and eager to make a real impact in a dynamic environment? Look no further! We are on the lookout for a Senior Cloud Security Engineer who is ready to take the lead in proactively identifying and mitigating security threats and safeguarding our sensitive data. Join forces with our Platform and Data...

WHO WE ARE Adikteev is an AdTech company that helps mobile app publishers grow their revenue through targeted advertising. We deliver personalized ads that drive users to install an app or re-engage with one they've stopped using. Our clients are mostly mobile gaming leaders but also span e-commerce, on-demand services, and entertainment apps. Recognized...

Senior Account Manager - Brand & Video Projects We're looking for a brand-savvy account manager to lead client relationships across our brand strategy and video projects - someone who can co-own strategic delivery, not just coordinate it. Full-time · Barcelona About us We're Camping, a small-but-mighty brand storytelling & video agency based in...

👀  Et consideres una persona dinàmica i amb ganes d’aprendre?🤜🤛 T’agrada col·laborar i treballar en equip?💻 Tens passió per la tecnologia?Si tens ganes de posar en pràctica els teus coneixements i participar en un projecte real, no dubtis en inscriure’t, estem cercant una persona com tú!🎯 La nostra propostaSom l'empresa de...

Company Description At Lifebit, we carve our own path. Trusted by Governments and world-leading pharma institutions and funded with $70m, we are on a mission to harness the power of connected data and bring precision medicine to life globally. The key to saving human lives is providing researchers across the globe with the right data to develop more precise...

Labhouse is a Barcelona-based startup studio building AI-powered mobile apps used by hundreds of thousands of people worldwide. Our products — including Invoice Fly and Summary AI — are designed to make everyday tasks faster, smarter, and simpler through a subscription model that puts the user first.We were founded by Andrés Bou and Horacio Martos, the...

Jobandtalent Who we are: We are a workforce on-demand company that heavily relies on tech. We integrate the complete process of selecting, hiring, and managing employees, being the first in digitizing all the steps, introducing Artificial Intelligence solutions in multiple phases, obtaining faster and higher-quality service for our clients, and great...

Scopely is looking for a Product Analyst to join our Star Trek Fleet Command team within our Live Games division in Barcelona, on a hybrid or remote basis.   At Scopely, we care deeply about what we do and want to inspire play every day - whether in our work environments alongside our talented colleagues or through our deep connections with our...

About Us Climate change is creating unprecedented challenges for businesses, governments, and communities worldwide. At Mitiga Solutions, we help organizations understand, anticipate, and manage climate-related risks through cutting-edge science and technology. Born from the Barcelona Supercomputing Center, home to one of Europe’s most powerful...

About AbacumAbacum is the leading Business Planning solution for finance teams to drive performance. By automating reporting, enabling collaboration, and simplifying planning and forecasting, we help finance teams shift from number crunching to driving strategic decisions.Founded in 2020 by two former CFOs, we’ve grown into a global team of 100+ people...

Smadex is a cutting-edge ad-tech company: we process more than 4,5 million ad requests per second, replying under 100ms (for reference, the Google search engine handles ~76,000 QPS). Every day we generate several TBs of data that need to be processed, analyzed and aggregated, so our real-time components get smarter every day. We need you to help us keep our...

About HappyRobotHappyRobot is the infrastructure for enterprises to build and orchestrate AI workforces. Our AI workers don't just communicate - they make decisions, take action, and run operations autonomously across voice, email, and enterprise systems. Born in Y Combinator (S23) and backed by a16z and Base10 with over $60M raised, we power critical...

Smadex is a leading advertising technology company founded in Barcelona in 2011 and sold to American-based and stock-listed Entravision in 2018 (NYSE::EVC). We are a fully transparent platform built with top technology, countless programmatic management features and powerful machine learning algorithms to help advertisers grow their business at scale. We...

MULTIVERSE COMPUTING Multiverse is a well-funded, fast-growing deep-tech company founded in 2019. We are the largest quantum software company in the EU and have been recognized by CB Insights (2023 and 2025) as one of the 100 most promising AI companies in the world. With 180+ employees and growing, our team is fully multicultural and international. We...