Senior Software Engineer, AI Platform & Architecture

McKinsey; Greater London; Hybrid; GBP 110,000 - 160,000; Full time

Job summary

McKinsey's QuantumBlack division seeks a senior software leader to drive architecture design, technology decisions, and scalable, user‑centric products across industries. You will mentor client teams, champion Agile practices, and shape digital strategies in collaboration with business leaders.

Based in London or other global location, you will lead multi‑disciplinary teams of software engineers, data scientists, and AI specialists to deliver next‑generation solutions and accelerate engineering

Qualifications

• Bachelors, masters or PhD in CS/ML/Applied statistics/Math/Engineering/AI.
• 7+ years in software development with strong full‑stack web experience.
• Frontend: TypeScript, React, Angular, Vue, Next.js, Tailwind; Backend: Python, Node.js, Java/Spring, C#/.NET; Databases: SQL/NoSQL/Vector databases.
• Experience with LLM frameworks, 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 reliability; experience with design patterns and OWASP Top 10.

Responsibilities

• Lead architecture design and drive technology decisions across projects.
• Co-create innovative products and mentor client teams in Agile practices.
• Shape technical strategies and ensure delivery of scalable, user‑centric solutions.
• Collaborate with engineers, data scientists, and stakeholders to raise engineering standards.
• Influence client digital strategies and scale engineering culture for sustainable growth.

Skills

Full-stack web development

Frontend: TS/React/Angular/Vue/Next.js

Backend: Python/Node.js/Java-Spring/C#

Databases: SQL/NoSQL/Vector

LLM frameworks & prompt orchestration

Cloud: Azure/AWS/GCP

Docker & CI/CD

Agile leadership & coaching

Testing, logging, monitoring

Engineering best practices

English professional communication

Education

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

Tools

Docker

CI/CD pipelines

Job description

McKinsey's QuantumBlack division seeks a senior software leader to drive architecture design, technology decisions, and scalable, user‑centric products across industries. You will mentor client teams, champion Agile practices, and shape digital strategies in collaboration with business leaders.

Based in London or other global location, you will lead multi‑disciplinary teams of software engineers, data scientists, and AI specialists to deliver next‑generation solutions and accelerate engineering