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Software Engineer at QuantumBlack, AI by McKinsey will collaborate with a global network of technologists, designers, and strategists to help clients transform their businesses through innovative digital solutions. In this hands-on role, you will develop cutting-edge products, mentor client teams, and shape engineering cultures while expanding your expertise across diverse industries and technologies. You will work across industries to turn digital ambitions into reality, coach client teams on engineering best practices, user-centric design, and Agile values, and help build sustainable technical capabilities. The role is based in Madrid or Lisbon as part of QuantumBlack AI by McKinsey, offering growth as a technologist and leader.
- Compensation
- Not specified
- City
- Madrid, Lisbon
- Country
- Spain, Portugal
Currency: Not specified
Full Job Description
Software Engineer - QuantumBlack, AI by McKinsey
Job ID: 105439
- Lisbon
- Madrid
Your Impact
Your Growth
- 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. Youll 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 firms diversity fuels creativity and helps us come up with the best solutions for our clients. Plus, youll 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
- Bachelors, Masters or PhD level degree in a discipline such as: computer science, machine learning, applied statistics, mathematics, engineering or artificial intelligence
- 2-5+ 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 English and Spanish (requirement for Madrid location), with the ability to adjust your style to suit different perspectives and seniority levels
- Aerospace & Defense
- Automotive & Assembly
- Electric Power & Natural Gas
- High Tech
- Industrials & Electronics
- Media & Entertainment
- Private Capital
- Telecommunications
FOR U.S. APPLICANTS: McKinsey & Company is an Equal Opportunity 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.
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Job Skill Code - DSAC - Software Engineer II
Function -
Industry - Aerospace & Defense;Automotive & Assembly;Electric Power & Natural Gas;High Tech;Industrials & Electronics;Media & Entertainment;Private Capital;Telecommunications
Post to LinkedIn - Yes
Posted to LinkedIn Date - Wed Feb 04 00:00:00 GMT 2026
LinkedIn Posting City - Madrid
LinkedIn Posting State/Province -
LinkedIn Posting Country - Spain
LinkedIn Job Title - Software Engineer - QuantumBlack, AI by McKinsey
LinkedIn Function - Consulting;Engineering;Information Technology
LinkedIn Industry - Computer Software;Information Technology and Services;Internet
LinkedIn Seniority Level - Associate
