McKinsey & Company

Data Scientist - QuantumBlack, AI by McKinsey

McKinsey & Company • $80K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Upcoming graduation between December 2026 and August 2027 with a relevant degree (Master's, Bachelor's, or PhD) in fields such as computer science or machine learning.
  • Professional experience in machine learning, statistical modeling, or optimization; proficiency in Python and SQL is mandatory.
  • Ability to convert business challenges into analytical problems and evaluate models across various methodologies with guidance.
  • Understanding of optimization and simulation concepts applicable to analytical work, with the capacity to analyze with some mentorship.
  • Developing familiarity with Generative AI tools and frameworks to automate tasks, with willingness to learn about LLMs.
  • Quality and risk awareness, ensuring validation of work and understanding ethical implications in AI development.
  • Knowledge of software development and basic MLOps practices, alongside introduction to CI/CD processes.

Responsibilities

  • Collaborate with a multidisciplinary team to deliver AI and analytics solutions for complex business challenges.
  • Translate business requirements into analytical problems and propose machine learning or optimization solutions.
  • Contribute to analytical workstreams with oversight from experienced colleagues, ensuring data quality and evaluation standards.
  • Engage in projects such as automating claims workflows and optimizing capital project schedules.
  • Build predictive models to enhance customer service outcomes across various industries.
  • Develop digital twins for operational enhancements in sectors like automotive supply chains.

Benefits

  • Continuous learning facilitated through structured programs and a culture centered on feedback and development.
  • A voice that matters, allowing contributions and innovative solutions to influence client outcomes.
  • Global community with diverse colleagues across various cultures and backgrounds.
  • Comprehensive benefits package supporting overall well-being for employees and their families.
Full Job Description
YOUR IMPACT

You will work as a core member of a multidisciplinary team to build and deliver advanced analytics and AI solutions that address complex business challenges across industries. You'll contribute to analytical workstreams, learn from experienced data scientists and engineers, and build your expertise across a breadth of industries and technologies.

This Full-time opportunity is for current students with an upcoming graduation between December 2026 and August 2027 with a Master's, Bachelor's or PhD in computer science, machine learning, applied statistics, mathematics, engineering, artificial intelligence, or a related field.

You will translate business challenges into analytical problems and develop and evaluate solutions across machine learning, optimization, GenAI, and agentic AI systems. With guidance from more experienced colleagues, you'll contribute to selecting and implementing analytical approaches, and ensure your work meets rigorous standards for data quality and evaluation. As you develop, you'll take on increasing ownership for delivering solutions that are robust and fit for purpose.

Your work will create measurable impact on some of the most complex challenges facing organizations today. Collaborating across QuantumBlack, AI by McKinsey and QuantumBlack Labs teams, you'll help clients harness advanced analytics and AI to improve decisions, transform operations, and build new capabilities. Here's how you might contribute over a given year:

  • Develop an agentic AI solution that automates complex claims workflows for a global insurance company
  • Optimize the schedule and funding of a multi-billion-dollar capital project to accelerate delivery
  • Leverage predictive modeling and agentic AI to improve customer service outcomes for a global travel company
  • Build a digital twin of an automotive supply chain to enhance product availability


You'll be based in one our Toronto office as part of our global Data Science community. Working in cross-functional teams, you'll collaborate with data scientists, data engineers, software engineers, and industry experts, and work with clients across technical and business teams. Through these experiences, you'll build your ability to connect analytical work with business needs and develop your skills as a client-facing technologist.

Your work offers a unique opportunity to grow at the forefront of AI and data science. You'll build expertise at the intersection of technology and business, develop your understanding of how AI solutions move from problem definition through development, evaluation, and implementation, and learn alongside leading technologists and AI practitioners.

YOUR GROWTH

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, is all about helping you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take the 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 not only encourage diverse perspectives, but they are critical in driving us toward the best possible outcomes.
  • Global community: With colleagues across 65+ countries and over 100 different nationalities, our firm's diversity fuels creativity and helps us come up with the best solutions for our clients. Plus, you'll have the opportunity to learn from exceptional colleagues with diverse backgrounds and experiences.
  • World-class benefits: On top of a competitive salary (based on your location, experience, and skills), we provide a comprehensive benefits package to enable holistic well-being for you and your family.


YOUR QUALIFICATIONS AND SKILLS

  • Upcoming graduation between December 2026 and August 2027 with a Master's, Bachelor's or PhD degree in computer science, machine learning, applied statistics, mathematics, engineering, artificial intelligence, or a related field
  • Professional experience applying machine learning, statistical modeling, optimization, or GenAI techniques to real business problems; proficiency in Python and SQL is required, including the Python AI stack
  • Ability to translate business problems into analytical challenges, building and evaluating models across supervised, unsupervised, statistical, or forecasting approaches with guidance
  • Foundational understanding of optimization, simulation, and decision logic concepts, with the ability to apply methodologies with guidance
  • Developing familiarity with Generative AI tools and simple agentic AI frameworks, with an eagerness to learn how LLMs can be applied to automate defined tasks
  • A quality and risk mindset: able to validate own work, document assumptions and limitations, and apply basic evaluation methods for prompts, RAG models, or agents; growing awareness of fairness, explainability, and human oversight considerations
  • Follows software development and MLOps/LLMOps best practices with guidance, with introductory exposure to CI/CD and agentic engineering concepts
  • Exceptional time management to meet your responsibilities in a complex and largely autonomous work environment
  • Willingness to travel
  • Strong communication skills, both verbal and written, in English and local office language(s), with the ability to adjust your style to suit different perspectives and seniority levels


Please review the additional requirements regarding essential job functions of McKinsey colleagues.

Our unwavering commitment to integrity drives everything we do, guiding us to always act in the best interests of our clients, our people, and the communities we serve.

About McKinsey & Company

McKinsey & Company is a management consulting firm that provides advice on strategic management to corporations, governments, and other organizations. McKinsey is one of the largest consulting firms in the world, with over 30,000 employees and 130 offices in more than 65 countries. The firm has worked with many of the world's leading companies and has been involved in some of the most significant business transformations in recent history. McKinsey is known for its rigorous approach to problem-solving and its focus on delivering measurable results to its clients.
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