Data Scientist (m/f/d)

Artefact

TL;DR * Wielding both "business" and "data" skills, you conduct projects from A to Z in order to transform our clients' businesses. * Our working language is English, but it's always easier when you speak the local language(s) ;)   THE TEAM The backbone of our consulting missions, today our Data consulting team has more than 400 consultants covering all Artefact's offers (and more): data marketing, data governance, strategy consulting, product owner... Manage projects as well as leading our business growth, the data consulting teams welcome all business and technical background joiners, who would thrive as an expert in a specific field, or a true versatile player.   MISSION As a data consultant, you will be conducting projects from A to Z to accompany the transformation of our clients’ businesses. It will be up to you and the team will be defining the clients' needs, and the strategy or the solution to be implemented to solve their problem and meet their objectives. You will manage the implementation project of said solutions, sometimes by good old sliding, sometimes by writing a few lines of SQL codes, if you are up to it! You will be a representative of Artefact in business proposals, but also a contributor to our business-relevant contents. The potentials are endless.   DESIRABLE SKILLS In this fast-paced, fast-growing industry, the most important qualities in our eyes are intellectual curiosity, autonomy and dynamism. You weild both “business” and “data” knowledge, with experience ideally in a digital marketing consulting firm; You already have a first understanding of digital technologies, and care to develop more in the exciting world of data and digital business ... or that's how you see yourself in the near future, contact us!   WHY SHOULD YOU JOIN US * Artefact is the place to be: come and build the future of data and marketing * Innovation: We have a passion for creating impacting projects, and believe innovation can come from anyone. * Action: We make things rather than telling people how to make them. * Collaboration: We believe in bringing talented people together, in winning together, and in learning from each other. Come join us!

Artefact

TL;DR * From design to deployment, you manage your solution end-to-end, while also optimising the performance, security and scalability. * Salary range: from 42K-80k euro per year in France, or equivalent in other countries. * Our working language is in English and preferably the local language of the office.   THE TEAM The most tech people of our Data & Consulting division, the title of "Data engineer" or "Software engineer" does not describe everything our amazing women and men can do: data engineering, operation management, security, cloud architecture, MLOps, and more. Presenting in each and every office of Artefact, working seamlessly with our consultants and data experts, our Data & Software engineers are the ones who make our data projects come true.   MISSION You will work with the team to identify your clients' needs and define innovative solutions of which you will be ownership from start to end. You manage both its conception and implementation, while also optimising the performance and scalability. You will also coach others, keep abreast of industry news/updates and get stuck into training sessions with our business partners and suppliers, such as Google & Amazon. You share your knowledge, learnings and success, with the capability of presenting and communicating.   DESIRABLE SKILLS * You are the master of several, or all the value chain's activities of the projects: cloud infrastructure, data pipeline implementations, data warehouse and data lake management, machine learning engineering, APIs, software testing, continuous integration and deployment; * You have no problem popularizing technical terms or solutions to more business-oriented profiles, you can work in a team with very diversified profiles. * You know how to prioritize your tasks, respect deadlines, and anticipate projects' risks. ... or soon you will be, contact us!   WHY SHOULD YOU JOIN US * Artefact is the place to be: come and build the future of data and marketing * Innovation: We have a passion for creating impacting projects, and believe innovation can come from anyone. * Action: We make things rather than telling people how to make them. * Collaboration: We believe in bringing talented people together, in winning together, and in learning from each other. Come join us!

Kayzen

Data Scientist (m/f/d) Europe, Remote _______________________________________________ Hello👋I am Puneet, Co-founder and CPO at Kayzen, and I am now looking for a Data Scientist to join our team 🙌 But wait, you have not heard of Kayzen before?😃 Kayzen is a mobile demand-side platform (DSP) dedicated to democratizing programmatic advertising. We enable leading apps, agencies, media buyers, and brands to run programmatic customer acquisition, retargeting, and brand performance campaigns through its self-serve and managed service options. Built on the three core pillars of performance, transparency, and control, Kayzen powers the world’s best mobile marketing teams with bespoke solutions that fuel business growth and deliver a competitive advantage. With an unprecedented scale of 160B+ daily ad requests from 1.6B+ unique users worldwide, we serve up to 1B+ ads per day in 180 countries. Kayzen is accessible through our APIs and user interface. The Team You will work with a carefully selected, diverse and globally distributed Data Science team (like Heiko, Chen) on various machine-learning models that process terabytes of data, serving billions of ad requests and users around the globe in real-time. We are highly motivated and aligned in our quest to disrupt the multi-billion dollar ad-tech industry. We would like you to be part of our journey, as our Data Scientist (m/f/d). Responsibilities Our day-to-day work in Data Science and Machine Learning encompasses a wide range of activities, including: * Enhancing Models: Continuously improving existing models by incorporating new features, fine-tuning parameters, and utilizing additional data. * Algorithm Development: Collaborating with our Machine Learning Engineering team to develop and deploy scalable supervised and unsupervised learning algorithms. * Data Exploration: Identifying and exploring new data sources while researching innovative ways to leverage both new and existing data effectively. * Solution Research: Investigating new Machine Learning solutions to optimize every step of our value chain. * A/B Testing: Regularly conducting and evaluating A/B tests to drive insights and refine our strategies. You’ll be a great fit if you resonate with the following principles of Data Science and Machine Learning: * Simplicity First: We prioritize finding the best solutions to challenges rather than forcing problems to fit predetermined solutions. * Impact-Driven: We leverage Machine Learning to enhance our product and drive performance for our clients, always focusing on tangible business outcomes. * Collaborative Spirit: Our teams consist of analysts, engineers, and data scientists, making strong communication skills essential for success. * Embrace Experimentation: We believe in the power of experimentation to innovate and refine our approach continually. Requirements * At least 3 years of relevant experience in developing data science products, from initial research through to production deployment.   * Strong coding skills with a focus on clean, reproducible, and well-tested code.   * Proficient in key tools and technologies including Python, Spark, Hadoop, Airflow, Docker, and SQL.   * Hands-on experience with algorithms for handling sparse and large datasets, including applications in prediction, clustering, and outlier detection.   * Familiarity with Gradient Boosting Trees (CatBoost, LightGBM) in production environments is a plus.   * Experience in building neural network-based products for tasks such as classification, regression, and multi-task learning is highly valuable.   * Bonus skills: Knowledge of reinforcement learning and large-scale optimization problems is a significant asset.   * Good understanding of dashboards and SQL for developing and enhancing monitoring tools.   * Previous experience in Ad-Tech is a must. What do we offer? * Directly working with Founders and an opportunity to drive direct impact * Exceptional career growth and learning opportunity * A unique opportunity to be part of an experienced team of industry experts and entrepreneurs who bring massive change to the Adtech market * A fun, driven, and multinational team located across Germany, India, Argentina, Canada, Spain, the UK and many more countries. * A flexible work-from-home arrangement * Opportunity to relocate to our office in Berlin * A 500-dollar home-office setup budget * A 1000-dollar annual learning and development budget