Principal Software Engineer - Tech Ecosystem

Pracovní nabídka

We are seeking for someone who will collaborate with other platform engineering teams, designers, and product experts across the globe to build secure, scalable platforms that support McKinsey’s client service, practices, and domains in delivering distinctive, tech-enabled impact.

What you will do:

As a Principal Software Engineer, you will lead the design and development of scalable, secure, and high-performing solutions that power McKinsey’s global technology ecosystem. You will architect, develop, and integrate systems that underpin Platform McKinsey’s mission — providing a unified foundation for analytics, software engineering, and client delivery. In addition to building and maintaining these platforms, you’ll guide engineering excellence, mentor senior engineers, and drive architectural decisions that shape the future of McKinsey’s technology ecosystem. You will also apply and champion AI-assisted development practices by leveraging AI tools for coding, testing, and documentation to enhance productivity, code quality, and engineering efficiency across teams.

Your responsibilities include, but are not limited to:

Leading the design, architecture, and development of distributed systems and cloud-native platforms;

Driving architectural decision-making, documenting designs in Architecture Decision Records (ADRs), and ensuring alignment with firm-wide engineering standards;

Overseeing the end-to-end product lifecycle, from concept and design through implementation, testing, deployment, and operations;

Writing, reviewing, and maintaining high-quality, secure, and maintainable code across back-end and front-end systems;

Mentoring and coaching engineers across teams, fostering technical excellence and continuous learning;

Partnering with product managers and designers to translate business requirements into robust technical solutions;

Contributing to and evolving shared developer platforms and tooling that improve efficiency and enable innovation firmwide;

Collaborating cross-functionally with engineering leadership across the Tech Ecosystem to ensure consistent architectural patterns, best practices, and governance;

Supporting users, troubleshooting applications, and continuously improving reliability, observability, and scalability of core systems;

Whare we are looking for:

• Senior software engineer with 9+ years of professional experience, including experience with complex, large-scale systems
• Expert-level proficiency in Python, Golang, React/Next.js; optional experience in Elixir or other back-end languages and framework such as Java or C#/.NET
• Ownership mindset — proactive, strategic, and hands-on in leading by example
• Strong interpersonal and communication skills; ability to work effectively with senior stakeholders and cross-functional teams globally
• Experience applying AI-assisted tooling (e.g., code generation, testing, documentation) to improve software development productivity and quality
• Software design: solid understanding of domain-driven design, microservices, experience with AI-enabled applications and agentic systems is a plus
• CI/CD & DevOps: strong experience with continuous integration, delivery, and automation pipelines; comfortable with infrastructure-as-code and modern deployment frameworks
• Data and storage systems: expertise in PostgreSQL or equivalent relational databases; experience with NoSQL, data pipelines, or distributed analytics (e.g., Spark) is a plus
• Distributed systems: experience designing, building, and operating distributed systems for performance, scalability, and reliability
• Container orchestration: advanced knowledge of Kubernetes and/or serverless cloud container hosting (e.g., AWS ECS/Fargate, Azure Container Apps, GCP Cloud Run)
• Architecture: expertise in designing and documenting product and technical architectures, including writing architecture specifications and ADRs
• Cloud expertise: deep, hands-on experience with at least one major cloud platform (AWS, GCP, or Azure); multi-cloud experience is a strong plus

For more information about our company, as well as our firm culture and benefits, please visit our firm profile.