Senior Data Scientist

Cabify

Do you want to drive the next urban revolution? At Cabify, that’s what we’re doing. We aim to make cities better places to live by improving mobility for the people living in them, connecting  riders to drivers at the touch of a button. Maybe one day cities will be places where nobody needs a private car. But we’ve still got a long way to go… want to be part of this journey? ABOUT THE POSITION You will join Cabify’s Applied Science team, a group of highly motivated data scientists with access to all data within the organization. The team is involved in all main areas of the company, including vehicle and route management, understanding user experience, pricing, fraud detection, and marketing optimization (see for yourself: exhibit A, exhibit B, exhibit C). You will work with state-of-the-art tools and infrastructure to help improve everyday operations in more than 40 cities worldwide. Cabify's Applied Science team provides a unique opportunity to research, test and implement great ideas that will shape the future of our cities. As a Senior Data Scientist in our team, you will: * Propose and develop high-impact data science projects, working closely with other data, engineering, product and business teams. * Design, train, and validate statistical and machine learning models and help deploying them into production. * Participate in the definition and results analysis of real-life experiments, following academy-standard scientific methods and procedures, to demonstrate the impact of the new product features we develop. * Help to convert the team’s work into real and tangible business insights that bring value to the company. * Participate in research and innovation, bringing new ideas to the team and helping expand our technical and scientific knowledge. * Participate in the diffusion of complex ideas to all sorts of stakeholders, in alignment with the deeply-rooted data culture of the company. * Be an active participant in product development conversations, proposing new features and providing the data science perspective in everything we build. * Be a technical reference within the team, fostering growth and promoting best practices. WHAT WE’RE LOOKING FOR * At least 5 years of professional experience working as a data scientist or equivalent research role. * Strong educational background, e.g. Master/PhD in Computer Science, Physics, Engineering, Mathematics, Economics, etc. * Experience leading the design, training and validation of statistical and machine learning models. * Strong knowledge of Python for data analysis and data visualization libraries. * Experience with data extraction and processing. Capable of writing complex SQL code. * Experience bringing machine learning to production, with all its subtleties: deploying, training, testing, model degradation, model serving, etc. * Ability to work autonomously in an unstructured environment. BONUS POINTS * Strong background in Probability & Statistics. * Experience in the various aspects of scientific experimentation (experiment design, population sampling, testing methodology, statistical significance analysis, etc.). * Experience publishing in peer-reviewed scientific journals. * Experience with state-of-the-art methods in topics like deep learning models, time series analysis, bayesian statistics, causal inference, etc. * Experience with geo data modeling, analysis and visualization. WHAT’S IT LIKE TO WORK AT CABIFY? We’re a company full of happy, motivated people and we never want that to change. Here are some more reasons why it rocks to be part of our high-performance team: 💶 Excellent Salary conditions: 50K - 63K€ 🏝️ Recharge days! (10 Free Fridays annually) 🌍 Our office is located in Madrid.  ⌚ Flexible work environment & hours. 🙌 Regular team events. 🚗 Cabify staff free rides. 🚀 Personal development programs based on our career paths. 📐 Coursera: your own license in Coursera to take as many courses as you wish and continue developing your skills. 🧘‍♀️ iFeel: Free access to the iFeel platform, so you can take care of your emotional well-being through therapy sessions. 💳 Flexible compensation plan: Restaurant tickets, transport tickets, healthcare and childcare 🐱 A pet room ,so you don’t have to leave your furry friend at home ☕️ And last but not least...free coffee and fruit!   Cabify is proud of being an equal opportunity workplace. We celebrate diversity and we are committed to creating an inclusive environment for all employees regardless of background, gender, religion, orientation, age or ability. Join us!

Ultra Tendency

Ultra Tendency is a global Data & AI consultancy with teams across Europe, Asia, and the Americas. As we continue to expand our presence across Europe, we are looking for a Senior Data Engineer – Databricks to join our growing team and contribute to the development of scalable data platforms for international clients. In this role, you will work closely with data engineers, data scientists, architects, and business stakeholders to design and implement robust data solutions using modern cloud and data technologies. We offer a competitive compensation package aligned with Spanish market standards, based on experience, location, and qualifications. ---------------------------------------------------------------------------------------------------------------------------------- YOUR RESPONSIBILITIES * Design, implement, and maintain scalable data pipelines on the Databricks Lakehouse Platform using technologies such as Apache Spark and Delta Lake. * Develop and optimize batch and streaming data workflows that support analytics, machine learning, and business intelligence use cases. * Collaborate with cross-functional teams to translate business and data requirements into reliable, production-ready solutions. * Improve the performance, scalability, and cost efficiency of data processing workloads within Databricks environments. * Support the implementation of best practices for data quality, governance, security, and compliance. * Contribute to architectural discussions and help shape modern data platform strategies for clients. * Mentor and support junior engineers while fostering knowledge sharing across the team. ---------------------------------------------------------------------------------------------------------------------------------- YOUR EXPERIENCE * Strong hands-on experience with Databricks and Apache Spark (PySpark, SQL, and/or Scala). * Experience building and operating cloud-based data platforms on AWS, Azure, or GCP. * Solid understanding of distributed data processing, data modeling, data warehousing, and performance optimization. * Experience with CI/CD practices and version control systems such as Git. * Familiarity with orchestration frameworks such as Airflow, Azure Data Factory, or Databricks Workflows. * Experience working in agile and cross-functional environments. * Strong communication skills in English & Spanish. * A collaborative mindset and passion for building reliable, scalable, and maintainable data solutions. ---------------------------------------------------------------------------------------------------------------------------------- WHAT WE OFFER * Work with leading enterprise customers across Europe.  * Be part of a rapidly growing Data & AI consultancy.  * Access to cutting-edge technologies in Data Engineering, Analytics, AI, and GenAI.  * Opportunity to shape and expand Ultra Tendency's Databricks practice.  * Continuous learning and certification support.  * Flexible and remote-friendly working environment.  * Competitive compensation package.  * Collaborative, entrepreneurial, and international culture.  ---------------------------------------------------------------------------------------------------------------------------------- ELIGIBILITY  Applicants must currently reside in Spain and possess the legal right to work in the country. Unfortunately, we are unable to provide relocation assistance or visa sponsorship for this position.  ---------------------------------------------------------------------------------------------------------------------------------- INTERESTED? We would love to hear from you. Apply today or reach out to learn more about the role, our team, and the exciting projects you'll have the opportunity to work on. ABOUT US Ultra Tendency is an international Data Engineering consultancy specializing in Big Data, Cloud, Streaming, IIoT, and Microservices. Since 2010, we have helped leading organizations—including the European Central Bank, Deutsche Telekom, and Europe’s largest automotive manufacturer—build and operate large-scale, data-driven platforms. With 8 offices across 10 countries and a growing global team, we combine deep technical expertise with a strong commitment to open source. Our consultants actively contribute to projects such as Apache Kafka, Apache NiFi, Terraform, and Ansible, and we are a trusted Databricks partner. At Ultra Tendency, you'll work on challenging projects that push the boundaries of Data and AI while collaborating with talented colleagues in a culture built on learning, knowledge sharing, and mutual support. We evaluate candidates based on skills, experience, and business fit, and welcome applicants from all backgrounds. Data privacy statement: Data Protection for Applicants – Ultra Tendency

VML MAP

WHO WE ARE WPP Enterprise Solutions designs, builds, and operates the growth systems that competitive businesses rely on. In a world where Al is reshaping how companies drive growth, we lead clients in business transformation and marketing modernization, connecting strategy directly to execution. Our 12,000 experts in engineering and platforms, commerce, consulting, content transformation, CRM, and CX work within a unified global operating unit across 40+ markets. WPP Enterprise Solutions works alongside best-in-class partners including Adobe, AWS, Braze, Google, Microsoft, Salesforce, and Shopify, as well as innovators in AI, to deliver growth solutions tailored to the needs of our clients’ businesses.   Do you have strong data and analytical skills, with a passion for shaping business strategy? Can you architect, build, and apply modern data models to deliver impactful marketing insights? Are you seeking an exciting role with significant opportunities for leadership and growth? Then you might be the Senior Data Insights Consultant we are looking for!  What will your day look like?  As our new Senior Data Insights Consultant, you will join our growing Technology and Data team. Here, you will be a key leader in helping our clients make data-driven decisions to enhance their digital communication on an enterprise scale. This entails designing, enabling, and delivering complex data solutions and integrations for various campaign platforms. More specifically, your tasks will include:  * Architecting, building, and delivering value-adding insights solutions, serving as a key advisor to clients on how to leverage their data assets to optimize large-scale communication strategies.  * Performing advanced analysis to uncover actionable patterns, trends, and opportunities that directly inform client strategy and decision-making.  * Designing and running test-and-learn programs (A/B tests, incrementality, holdouts) across channels to measure impact and continuously optimize communication performance.  * Partnering with senior stakeholders to define strategic business questions and translating them into robust analytical frameworks and data roadmaps.  * Supporting or leading the data-stream on complex, large-scale projects with globally recognised brands, ensuring that data solutions and integrations are designed and delivered for scalability and business impact.  * Driving ongoing proactive client ideation — identifying new opportunities, use cases, and data-driven initiatives that help clients grow their business.  * Helping drive agentic AI adoption, exploring and embedding agentic solutions into our data and insights workflows to enhance efficiency and client value.  * Providing answers and insights to business-related questions via automated reporting solutions as well as ad-hoc data analyses, including building reports and insights dashboards within marketing platforms such as Adobe and Salesforce.  * Mentoring, reviewing, and advising less senior team members — elevating quality, fostering technical excellence, and supporting their professional growth.  * Collaborating with highly skilled specialists including Account Managers, Architects, Developers, Creatives, Strategists, Data Scientists and Marketing Operations experts to service our clients coherently.  Who are you going to work with?  You will join a team of hands-on Data Insights Consultants, Data Scientists and Data Engineers who are passionate about bringing value and knowledge from data. We are all about unlocking insights from data through analytics and making that insight applicable in 1:1 data-driven communication and CRM. Your work will always be firmly anchored in data in a cross-disciplinary setting, collaborating closely with highly enthusiastic experts from Strategy or Creative backgrounds.  What do you bring to the table?  As a person, you possess a strong consultancy mindset, demonstrating resilience, curiosity, and an eager-to-learn attitude. You combine this with strong business acumen, allowing you to understand and anticipate client needs effectively. You are outgoing and love being part of interdisciplinary projects and solutions. You are eager to learn and quick to understand the complexity of high-tech dialogues and solutions.  Furthermore, you have the drive, enthusiasm, and technical credibility to act as the primary data and insights advisor for senior client leadership, guiding them through complex challenges and inspiring them to grow their business. It's an advantage if you have consulting, agency experience or marketing domain knowledge, but it's not a requirement.  In addition, you have:  Technical skills  * A minimum of 5 years of experience in a consultant/business liaison role related to data, BI, analytics or reporting solutions. Can independently design, build, and optimize modern analytics solutions that are scalable, maintainable, and ready for real-world production use.  * Write, debug, and optimize complex SQL queries, ensuring clarity, efficiency, and production readiness.  * Design and build scalable dimensional data models from raw source systems (fact/dimension structures, performance-aware design). Apply strong data modelling principles, governance standards and practices that ensure data accuracy, consistency, and security.  * Develop and manage DBT transformations using layered architecture, including testing and documentation best practices.  * Build production-ready Power BI semantic models and dashboards, including advanced DAX measures, performance optimization, and secure data access (RLS).  * Work collaboratively using GitHub, following structured branching, pull request, and code review workflows.  * Familiarity with or a strong interest in the application of AI and agentic frameworks, and machine learning principles to generate conversational analytics, predictive and advanced marketing insights.  * Comfortable working in modern cloud data environments (e.g., Snowflake, BigQuery, Databricks, Fabric).  * Understanding the data structures and reporting capabilities within major marketing and martech platforms (e.g., Adobe Campaign/AJO, Salesforce Marketing Cloud). Ability to build and deliver reports and insights dashboards natively within these tools is a strong advantage  Interpersonal skills  * Technical stakeholder management and influence: A proven ability to build trust and act as a strategic partner to senior-level clients and internal leaders. You can confidently navigate complex, technical stakeholder environments and influence decision-making through data-driven reasoning.  * Communication and storytelling: Exceptional written and verbal communication skills in English, with the ability to articulate complex data concepts and insights into clear, compelling narratives for both technical and senior business audiences.  * Consultative and solutions-oriented mindset: The ability to critically assess complex business challenges, ask probing questions to uncover root causes, and propose robust, data-driven solutions.  * Leadership and mentorship: Proven experience in coaching and mentoring junior team members. You actively foster a culture of technical excellence, collaboration, and continuous learning within the team.  * Autonomy and critical thinking: You are a self-starter who can think critically, identify issues and opportunities autonomously, and take the initiative to propose and implement corrective actions.  A leader in personalized customer experiences  VML MAP is a world-leading Centre of Excellence that helps businesses humanize the relationship between the brand and the customer through hyper personalization at scale, marketing automation and CRM. With the brain of a consultancy, the heart of an agency and the power of technology and data, we work with some of the world's most admired brands to help them on their transformation journey to becoming truly customer-centric. Together, we are 1000+ technology specialists, data scientists, strategic thinkers, consultants, operations experts, and creative minds from 55+ nationalities.  A global network  We are part of the global VML network that encompasses more than 30,000 employees across 150+ offices in 60+ markets, each contributing to a culture that values connection, belonging, and the power of differences.    About WPP WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. For more information, visit WPP.com. WPP (MAP/VML) is an equal opportunity employer and considers applicants for all positions without discrimination or regard to characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers.  When you click “Apply now” below, your information is sent to MAP/VML. To learn more about how we process your personal data during when you apply for a role with us, on how you can update your information or have the information removed please read our Privacy policy. California residents should read our California Recruitment Privacy Notice.