Data Scientist II - QuantumBlack, AI by McKinsey

McKinsey; Jakarta Pusat; On-site; IDR 450,000,000 - 650,000,000; Full time

Job summary

McKinsey & Company seeks a skilled data scientist to solve real-world business problems by building scalable ML systems across industries. You will work on interdisciplinary projects with data scientists, engineers, and designers, turning complex data into actionable insights and transformative outcomes.

You will collaborate with clients and colleagues worldwide, publish papers if desired, and participate in R&D efforts and conferences to stay at the forefront of AI-driven business solutions.

Qualifications

• 2+ years of professional experience applying ML/data mining to real problems.
• Proficient in ML-focused programming; SQL and Python data stack; knowledge of PySpark/Hive/Hadoop.
• Ability to prototype statistical analyses and modeling algorithms for data-driven solutions.
• Experience deploying technology to business problems is a plus.
• Knowledge of prompt engineering and generative AI applications (RAG, agentic systems).

Responsibilities

• Partner with clients and stakeholders to translate needs into analytics solutions.
• Develop and optimize ML systems across industries to accelerate business value.
• Translate business problems into analytical problems and evaluate with metrics.
• Write highly optimized code to advance our Data Science Toolbox.
• Collaborate with global teams and present findings to clients and colleagues.

Skills

ML & data mining

ML-focused programming

Prototype modeling

Business problem deployment

Prompt engineering & AI

Collaborative analytics

Education

Bachelor's/Master's/PhD in CS/ML/Statistics/Math/Engineering/AI

Tools

SQL

Python Data Science stack

PySpark

Hive

Hadoop

R

SPSS

SAS

Job description

Do you want to do work that matters, alongside supportive leaders who will help you grow faster than you ever thought possible? Are you a creative problem-solver who is energized by challenges? You’ve come to the right place.

YOUR IMPACT

You will work on real-world, high-impact projects across a variety of industries. You will have the opportunity to collaborate with QB/Labs teams and build complex and innovative ML systems to accelerate our work in AI and help solve business problems at speed and scale. You will experience the best environment to grow as a technologist and a leader. You will develop a sought-after perspective connecting technology and business value by working on real-life problems across a variety of industries and technical challenges to serve our clients on their changing needs. You will be surrounded by inspiring individuals as part of diverse and multidisciplinary teams. You will develop a holistic perspective of AI by partnering with the best design, technical, and business talent in the world as your team members. While we advocate for using the right tech for the right task, we often leverage the following technologies: Python, PySpark, the PyData stack, SQL, Airflow, Databricks, our own open-source data pipelining framework called Kedro, Dask/RAPIDS, container technologies such as Docker and Kubernetes, cloud solutions such as AWS, GCP, and Azure, and more.

• Partner with our clients, from data owners and users to C-level executives, to understand their needs and build impactful analytics solutions
• Contribute to cross-functional problem-solving sessions with your team and deliver presentations to colleagues and clients
• Translate business problems into analytical problems and develop models aimed at solving our clients’ and users’ problems and ensure they are evaluated with the relevant metrics
• Write highly optimized code to advance our internal Data Science Toolbox
• Add real-world impact to your academic expertise, as you are encouraged to write papers and present at meetings and conferences should you wish
• Take part in R&D projects; attend conferences such as NIPS and ICML as well as data science retrospectives where you will have the opportunity to share and learn from your co-workers
• Work in one of the most advanced data science teams globally
• Work on the frameworks and libraries that our teams of data scientists and data engineers use to progress from data to impact
• Guide global companies through data science solutions to transform their businesses and enhance performance across industries including healthcare, automotive, energy and elite sport

You will work with other data scientists, data engineers, machinelearningengineers, designers and project managers on interdisciplinary projects, using math, stats andmachinelearningto derive structure and knowledge from raw data across various industry sectors. You are highly collaborative individual who can lay aside your own agenda, listening to and learningfrom colleagues, challenging thoughtfully and prioritizing impact. You search for ways to improve things and work collaboratively with colleagues. You believe in iterative change, experimenting with new approaches, learning and improving to move forward quickly.

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

• Bachelor's, master's or PhD level in a discipline such as computer science, machine learning, applied statistics, mathematics, engineering or artificial intelligence
• 2+ years of professional experience in applying machine learning and data mining techniques to real problems with copious amounts of data
• Programming experience (focus on machine learning):SQL andPython’s Data Science stack are a must; good knowledge of at least one big data framework (PySpark, Hive, Hadoop) is a plus; R, SPSS, SAS(nice tohave); software engineering is a plus
• Ability to prototype statistical analysis and modeling algorithmsand apply these algorithms for data driven solutions to problems in new domains
• Experiencedeploying technology applied to business problems is a plus
• Knowledge in applying machine learningsolutions to real problems with complex and/or big amounts of data
• Knowledge of prompt engineering & generative AI application building (RAG, Agentic systems); understanding engineering standards, QA/Risk Management

FOR U.S. APPLICANTS: McKinsey & Company is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by applicable law.

FOR NON-U.S. APPLICANTS: McKinsey & Company is an Equal Opportunity employer. For additional details regarding our global EEO policy and diversity initiatives, please visit our McKinsey Careers and Diversity & Inclusion sites.