# Data Scientist I - QuantumBlack, AI by McKinsey [McKinsey](https://www.jorb.ai/firms/mckinsey.md) · London · United Kingdom · [Technology & Digital](https://www.jorb.ai/jobs/technology-digital.md) McKinsey is hiring a Data Scientist I - QuantumBlack, AI by McKinsey in London. Posted 2026-01-01; applications close 2026-03-02. **Apply**: https://www.mckinsey.com/careers/search-jobs/jobs/datascientisti-quantumblackaibymckinsey-102714 Posted 3mo ago. ## Role details ## Who you will work with Driving lasting impact and building long-term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance, high reward culture—doing hard things, picking yourself up when you stumble, and having the resilience to try another way forward. In return for your drive, determination, and curiosity, we'll provide the resources, mentorship, and opportunities you need to become a stronger leader faster than you ever thought possible. Your colleagues—at all levels—will invest deeply in your development, just as much as they invest in delivering exceptional results for clients. Every day, you'll receive apprenticeship, coaching, and exposure that will accelerate your growth in ways you won’t find anywhere else. When you join us, you will have: - **Continuous learning:** Our learning and apprenticeship culture, backed by structured programs, helps you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take input from others to heart and embrace the fast-paced learning experience, owning your journey. - **A voice that matters:** From day one, we value your ideas and contributions. You’ll make a tangible impact by offering innovative ideas and practical solutions, all while upholding our unwavering commitment to ethics and integrity. We encourage diverse perspectives, which are critical in driving us toward the best possible outcomes. - **Global community:** With colleagues across 65+ countries and over 100 nationalities, our firm’s diversity fuels creativity and helps us come up with the best solutions for our clients. You’ll learn from exceptional colleagues with diverse backgrounds and experiences. - **World-class benefits:** In addition to a competitive salary (based on location, experience, and skills), we provide a comprehensive benefits package to support your well-being and that of your family. ## What you will do As a Data Scientist I, you will collaborate with clients and interdisciplinary teams to develop impactful analytics solutions, optimize code, and solve real-world business problems across diverse industries. You’ll grow as a technologist by contributing to cutting-edge projects, R&D, and global conferences while working alongside world-class talent in a dynamic, innovative environment. You will partner with clients to understand their needs and develop impactful analytics solutions. You will translate business problems into analytical challenges, build models to solve them, and ensure they are evaluated with relevant metrics. You’ll also contribute to internal tools, participate in R&D projects, and have opportunities to attend and present at conferences like NIPS and ICML. Your work will create real-world impact. By identifying patterns in data and delivering innovative solutions, you will help clients maintain their competitive advantage and transform their day-to-day operations. Your contributions will directly influence business outcomes and drive lasting improvements across industries. You will be based in London and collaborate closely with Data Scientists, Data Engineers, Machine Learning Engineers, Designers, and Product Managers worldwide, working on interdisciplinary projects that use math, statistics, and machine learning to derive insights from raw data. You will help global companies transform their businesses and enhance performance across industries such as healthcare, automotive, energy, and elite sports. At McKinsey, you’ll thrive in an unparalleled environment for growth. You’ll develop a sought-after perspective by connecting technology and business value, tackle real-life challenges across diverse industries, and collaborate with inspiring multidisciplinary teams, gaining a holistic understanding of AI and its potential to drive transformation. ## Your Background - Bachelor’s, Master’s, or PhD degree in Computer Science, Machine Learning, Applied Statistics, Mathematics, Engineering, Physics, or other technical fields - Up to 2 years of professional experience applying machine learning and data mining techniques to real-world problems with substantial data sets - Programming experience (focus on machine learning): R and/or Python, with SPSS, SAS, or similar tools considered a plus - Ability to prototype statistical analysis and modeling algorithms and apply them to develop data-driven solutions in new domains - Ability to independently own and drive model development while balancing competing demands and deadlines - Demonstrated aptitude for analytics and a passion for solving complex data challenges - Familiarity with technologies such as Python, PySpark, the PyData stack, SQL, Airflow, Databricks, Kedro, Dask/RAPIDS, Docker, Kubernetes, and cloud solutions (AWS, GCP, Azure) is preferred - Experience with Generative AI (GenAI) and agentic systems is a strong plus - Excellent time management and organizational skills to succeed in a complex and largely autonomous work environment - Good presentation and communication skills, with the ability to explain complex analytical concepts to people from other fields - Strong written and verbal communication skills in English and local office language(s), with the ability to adapt to different audiences and seniority levels - Willingness to travel ## More open roles at McKinsey - [Associate Intern](https://www.jorb.ai/jobs/695658118ecf1d25ffd7e75d.md) — New York, posted 3mo ago - [Associate Intern](https://www.jorb.ai/jobs/695658118ecf1d25ffd7e75f.md) — Hong Kong, posted 3mo ago - [Data Engineer I - QuantumBlack, AI by McKinsey](https://www.jorb.ai/jobs/695658118ecf1d25ffd7e765.md) — London, posted 3mo ago - [Consultant - Manufacturing](https://www.jorb.ai/jobs/695658118ecf1d25ffd7e76c.md) — London, posted 3mo ago - [Business Analyst Intern](https://www.jorb.ai/jobs/695658118ecf1d25ffd7e76d.md) — New York, posted 3mo ago --- Updated: 2026-04-22 Canonical: https://www.jorb.ai/jobs/695658118ecf1d25ffd7e7a8