You will collaborate with a global network of technologists, designers, and strategists to help clients transform their businesses through innovative digital solutions.

You’ll develop cutting-edge products, mentor client teams, and shape engineering cultures while growing your expertise across diverse industries and technologies.

You will work hands-on with clients across industries to bring their digital ambitions to life. You will develop software products and services from the ground up while coaching and mentoring client teams on engineering best practices, user-centric design, and Agile values. By co-creating with clients and their leadership, you’ll help build not only cutting-edge products but also the technical capabilities and cultures needed to sustain them.

Your work will drive meaningful change for clients and their industries. You will participate in cross-functional problem-solving sessions with client leaders, shaping their digital strategies and delivering solutions that go beyond the product itself. Your efforts will help clients build scalable teams and engineering cultures that enable long-term success.

You will collaborate with clients across industries to turn their digital ambitions into reality through hands-on technical expertise. Based in one of our global locations, you will be part of QuantumBlack, AI by McKinsey, a multidisciplinary group of software engineers, AI engineers, data scientists, and technology consultant passionate about creating industry-shaping products and tools.

You’ll grow as a technologist and leader. You’ll work across diverse industries and technologies, learning something new with every project. With opportunities to contribute to digital strategies, build impactful products, and mentor others, you’ll have the freedom to chart your own path and grow in the areas that excite you most.#LI-MP

• 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.

Undergraduate or master’s degree; or equivalent experience

2+ years of experience developing full-stack applications by writing code that is readable, testable, maintainable, and scalable

Demonstrated experience working collaboratively with other developers, as well as technical and non-technical people within software teams

Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL)

Experience with LLM frameworks, prompt orchestration, agent frameworks, MCPs, evaluation frameworks, and cloud platforms (Azure, AWS, GCP), including Docker and CI/CD

Strong focus on automated testing, logging, monitoring, and overall system reliability

Experience working in Agile teams, including active participation in sprint ceremonies

Experience pair programming collaboratively with other developers

Exceptional time management to meet your responsibilities in a complex and largely autonomous work environment

Strong communication skills, both verbal and written in German and English, with the ability to adjust your style to suit different perspectives and seniority levels