Data Scientist II - QuantumBlack, AI by McKinsey

Salary: £80,000 - 90,000 per year

Requirements:

• We require a Bachelors, Masters, or PhD in Computer Science, Machine Learning, Applied Statistics, Mathematics, Engineering, Physics, or another technical field.
• We require 2–5+ years of professional experience applying machine learning and data mining techniques to solve real-world problems with substantial data sets.
• We require programming experience focused on machine learning, including SQL and Pythons Data Science stack.
• We value good knowledge of at least one big data framework such as PySpark, Hive, or Hadoop.
• We consider R, SPSS, and SAS nice-to-have skills.
• We require a strong understanding of machine learning methods and experience applying them in complex, data-rich environments.
• We require the ability to prototype and deploy statistical and machine learning algorithms and translate analytical outputs into data-driven solutions.
• Experience deploying ML/AI technologies into production or applied business environments is a plus.
• Familiarity with Generative AI and agentic systems is a strong plus.
• We require excellent time management skills to handle responsibilities in a complex and largely autonomous environment.
• We require willingness to travel.
• We require strong communication skills, both verbal and written, in English and local office language(s), with the ability to adapt communication style to different audiences and seniority levels.

Responsibilities:

• We collaborate with clients and interdisciplinary teams to develop advanced analytics solutions, optimize code, and solve complex business challenges across industries.
• We partner with clients to understand their needs and develop impactful analytics solutions.
• We translate business challenges into analytical problems, build models to solve them, and ensure they are evaluated with relevant metrics.
• We contribute to internal tools and participate in R&D projects.
• We have opportunities to attend and present at leading conferences such as NIPS and ICML.
• We identify patterns in data and deliver innovative solutions that help clients maintain a competitive edge and transform their operations.
• We work closely with Data Scientists, Data Engineers, Machine Learning Engineers, Designers, and Product Managers worldwide on interdisciplinary projects.
• We partner with QuantumBlack leadership, client executives, and technical experts to lead the design and deployment of advanced machine learning and AI solutions.

Technologies:

• AI
• Big Data
• Hadoop
• Hive
• Support
• Machine Learning
• PySpark
• SAS
• SQL
• Airflow
• AWS
• Cloud
• Databricks
• Docker
• GCP
• Kubernetes
• Python

More:

We are a high-performance, high-reward environment focused on driving lasting impact and building long-term capabilities with our clients. We provide resources, mentorship, apprenticeship, coaching, and exposure designed to accelerate your growth as a leader. Our learning culture emphasizes continuous development, clear and actionable feedback, and the opportunity to make a tangible impact with your ideas and contributions. We operate as a global community with colleagues across 65+ countries and more than 100 nationalities, and we offer a competitive salary based on location, experience, and skills, along with a comprehensive benefits package to support holistic well-being for you and your family. The role is based in London, and you will work within a dynamic, innovative environment alongside top-tier talent across disciplines.

last updated 36 week of 2026