Senior Software Engineer - QuantumBlack, AI by McKinsey

Who You’ll 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, 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 encourage diverse perspectives, which 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.

You’ll also 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 Impact

As a Senior Software Engineer, you will lead architecture design, drive technology decisions, and co‑create innovative products while mentoring clients to adopt Agile practices and engineering excellence.

Your role offers hands‑on collaboration, diverse industry exposure, and opportunities to shape solutions and grow as a technology leader.

You will lead project workstreams, drive architectural decisions, and build scalable solutions using Agile methodologies.

Working closely with client teams, you will co‑create products, foster a culture of engineering excellence, and mentor teams in best practices.

Your responsibilities will include shaping technical strategies, making key technology decisions, and ensuring the delivery of impactful, user‑centric solutions.

Your work will have a lasting impact beyond the products you build.

By collaborating with client leadership, you will influence their digital strategies, help scale their engineering cultures, and enable them to achieve sustainable growth.

Each project will expose you to diverse industries and technologies, providing opportunities to learn and grow while shaping the future of technology.

You will design and deliver next‑generation products that transform businesses across industries.

Based in one of our global locations, you will be part of Quantum Black AI by Mc Kinsey – a multidisciplinary group of software engineers, AI engineers, data scientists, and technology consultants passionate about creating industry‑shaping products and tools.

Your role offers unparalleled opportunities for growth and innovation.

At Mc Kinsey, you’ll have a seat at the table with client leaders, the chance to shape product strategies, and the freedom to explore areas of personal interest.

Supported by a collaborative and innovative team, you’ll make a lasting impact on clients, industries, and the future of technology.

• Your Qualifications and Skills
• Bachelors, Master’s or Ph D level degree in a discipline such as computer science, machine learning, applied statistics, mathematics, engineering or artificial intelligence.
• 7-8+ years of experience in software development, with significant full‑stack web application development experience strongly preferred.
• Experience working collaboratively with technical and non‑technical team members and stakeholders.
• Hands‑on experience and willingness to learn across frontend (Type Script, React, Angular, Vue, Next. js, Tailwind), backend (Python, Node. js, Java/Spring, C#/.

NET), and databases (SQL, No SQL, 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 modeling and coaching others to use engineering best practices such as design patterns, customer‑centric design, test‑driven development, code refactoring, code review, and OWASP Top 10 security awareness.
• Experience leading in Agile teams, including coaching and modeling Agile mindsets as part of sprint ceremonies, work definition and building developer capabilities.
• Exceptional time management to meet your responsibilities in a complex and largely autonomous work environment.
• Strong communication skills, both verbal and written, in English, with the ability to adjust your style to suit different perspectives and seniority levels.
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