Senior AI Software Architect — Lead & Shape AI Solutions

McKinsey & Company; Województwo mazowieckie; On-site; PLN 280,000 - 560,000; Full time

Job summary

McKinsey is seeking a senior software architect to lead architecture design, drive technology decisions, and co-create innovative products with Agile engineering excellence.

Based in one of our global locations, you will mentor client teams, shape technical strategies, and deliver scalable, user‑centric solutions across diverse industries. You will work with QuantumBlack, AI by McKinsey, joining a multidisciplinary group of software and AI engineers and data scientists.

Qualifications

• Bachelor, master’s or PhD in computer science, machine learning, applied statistics, mathematics, engineering or artificial intelligence.
• 7+ years of software development experience with strong full‑stack web app background.
• Experience collaborating with technical and non-technical stakeholders.
• Hands‑on 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 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.
• Business level language fluency skills, both verbal and written, in English and the local office language(s).

Responsibilities

• Lead architecture design and drive technology decisions.
• Co-create innovative products and mentor clients to adopt Agile practices and engineering excellence.
• Lead project workstreams and build scalable solutions using Agile methodologies.
• Shape technical strategies and ensure the delivery of impactful, user‑centric solutions.
• Collaborate with client leadership to influence digital strategies and scale engineering cultures.

Skills

Full-stack web

Frontend tech (TS/React)

Backend tech (Python/Node.js/Java/.NET

Databases (SQL/NoSQL/Vector)

Cloud platforms (Azure/AWS/GCP)

LLM frameworks & prompts

CI/CD & Docker

Testing & monitoring

Agile coaching

English proficiency

Education

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

Tools

Docker

CI/CD pipelines

Vector databases

SQL/NoSQL databases

Next.js/Tailwind

Job description

McKinsey is seeking a senior software architect to lead architecture design, drive technology decisions, and co-create innovative products with Agile engineering excellence.

Based in one of our global locations, you will mentor client teams, shape technical strategies, and deliver scalable, user‑centric solutions across diverse industries. You will work with QuantumBlack, AI by McKinsey, joining a multidisciplinary group of software and AI engineers and data scientists.