Principal Platform Engineer: AI-Driven FinTech Architect

Next Frontier Capital; Greater London; On-site; GBP 110,000 - 170,000; Full time

Job summary

JPMorgan Chase in London is seeking a Principal Software Engineer to define and drive the multi-year platform engineering roadmap, focusing on scalable, secure infrastructure and AI-enabled development practices.

You will mentor senior engineers, bridge product, business, and security stakeholders, and own production stability while advancing cloud cost optimization and governing AI-based tooling across teams.

Qualifications

• Formal training or certification (e.g., BSc, CKAD, Google Associate Cloud Engineer, or AWS Certified Solutions Architect).
• Expert-level administration of a major cloud platform (GCP, AWS, or Azure).
• Mastery of Kubernetes administration and operator patterns.
• Strong cloud networking expertise across the OSI networking model.
• Strong proficiency in Infrastructure as Code (IaC) methodologies.
• Proven, hands‑on experience in system design, development, testing, and operational stability.
• Advanced proficiency in modern language(s) (e.g., Go, Java, Kotlin).
• Demonstrated technical leadership and cross‑team collaboration.
• Hands‑on Security Engineering experience.
• Demonstrated experience designing and leading adoption of agentic AI-enabled development practices across teams, including standards for validation and secure data handling.
• Strong understanding of responsible AI use and governance in engineering workflows, including security and resiliency implications.

Responsibilities

• Work with senior stakeholders to define and drive the multi-year technical roadmap and long-term architectural strategy for platform engineering, ensuring competitive advantage and scalability.
• Mentor and coach senior engineers across teams, elevating the technical bar and championing Software Engineering Communities of Practice.
• Serve as the key technical liaison for product, business, and security stakeholders, translating technical decisions into business impact.
• Lead the design and delivery of composable, secure, and scalable infrastructure systems and capabilities.
• Own the operational stability of production systems ('You Build It, You Run It'), automating recurring issues and establishing DORA/SLIs/SLOs metrics for continuous improvement.
• Drive architectural standards and best practices across the organisation, leading technical evaluations with internal and external partners.
• Champion FinOps principles to drive significant cloud cost optimisation and guide performance tuning of distributed systems.
• Architect and govern agentic AI-enabled workflows to improve delivery speed and code quality, with guardrails for validation and security.
• Apply SDLC tools and AI-assisted development capabilities to improve automation value in scale.

Skills

Kubernetes administration

Cloud platform administration

IaC

Technical leadership

Security engineering

Agentic AI adoption

Cross-team collaboration

Go/Java/Kotlin

Education

BSc

CKAD

Google Associate Cloud Engineer

AWS Certified Solutions Architect

Tools

Terraform

Docker

Kubernetes

Job description

JPMorgan Chase in London is seeking a Principal Software Engineer to define and drive the multi-year platform engineering roadmap, focusing on scalable, secure infrastructure and AI-enabled development practices.

You will mentor senior engineers, bridge product, business, and security stakeholders, and own production stability while advancing cloud cost optimization and governing AI-based tooling across teams.