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
As a Principal Engineer II, you will lead development teams to deliver enterprise-grade software, define client tech strategies, and mentor teams to adopt best practices. Your role offers the chance to work across industries, influence C-level leaders, and become a recognized expert in cutting-edge technologies.
You will architect and deliver enterprise-grade software solutions while mentoring and coaching client teams to adopt best practices. Your role will include leading multiple development teams, defining short- and long-term technology strategies, and collaborating with cross-functional teams to solve complex user and business challenges. You will also establish metrics and KPIs to align teams and ensure scalable, data-powered solutions.
Your work will have an impact beyond the products you build. By working directly with C-level leaders, you will influence strategic decisions and help clients not only build innovative software but also the teams and engineering cultures needed to sustain their growth. Each project will expose you to new industries and technologies, providing opportunities to learn and grow every day.
You will lead the design and delivery of innovative technology solutions that transform businesses across industries. Based in Madrid, you will be part of QuantumBlack, AI by McKinsey, 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 expertise. At McKinsey, you’ll have access to senior leaders eager to hear your insights, the chance to work across diverse industries, and the resources to become a leading expert in your field. Supported by a collaborative and innovative team, you will make a lasting impact on clients, industries, and the future of technology.
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:
YOUR QUALIFICATIONS AND SKILLS
Undergraduate or master’s degree; or equivalent experience
11-15+ years of experience in software development and architecture with a demonstrated track record of successfully understanding the business requirements and designing realistic and effective solutions
Active in the tech community (e.g. contributing to open source projects, speaking at conferences, blogging, etc.) and experience working collaboratively with technical and non-technical team members and stakeholders
Experience writing unit tests with major frameworks (e.g., Karma, JUnit, NUnit, MSTest) and practicing test-driven development
Demonstrated knowledge and hands-on experience across the full application stack with some of the following languages/frameworks: JavaScript, TypeScript, React, Angular, Vue, jQuery, Java, Sprint, C#, .NET, Node.js, SQL, MySQL, SQL Server, MongoDB, cloud-native databases, AWS, Azure, GCP, Jenkins, Docker, Circle CI, Travis Engineering practice experience such as code refactoring, design patterns, design-driven development, continuous integration, building highly scalable applications, application security
Experience leading in Agile teams, including coaching and modeling Agile mindsets as part of sprint ceremonies, work definition and building developer capabilities.
Strong communication skills, both verbal and written, in English and Spanish, with the ability to adjust your style to suit different perspectives and seniority levels
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