Principal Platform Engineer - FinTech & Cloud Architect

Testing Site - JPMC; Greater London; On-site; GBP 120,000 - 160,000; Full time

Job summary

JPMorgan Chase in London seeks a Principal Engineer within the Accelerator Platform Team to translate ideas into customer-ready solutions. You will shape multi-year technical roadmaps, own scalable infrastructure, and work across squads to deliver fintech-focused outcomes.

You will mentor engineers, liaise with product, security and business stakeholders, and drive architectural standards, cost optimisation, and observability across distributed systems.

Qualifications

• Formal training or certification (e.g., 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.

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.

Skills

Cloud architecture

Technical leadership

Kubernetes administration

Infrastructure as Code

Distributed systems

Go/Java/Kotlin

Stakeholder management

Security engineering

Education

Bachelor's degree in Computer Science or related field

Relevant professional certifications

Tools

Kubernetes

Prometheus/Grafana

GitOps

IaC tools (Terraform, CloudFormation)

Cloud platforms (AWS/GCP/Azure)

Job description

JPMorgan Chase in London seeks a Principal Engineer within the Accelerator Platform Team to translate ideas into customer-ready solutions. You will shape multi-year technical roadmaps, own scalable infrastructure, and work across squads to deliver fintech-focused outcomes.

You will mentor engineers, liaise with product, security and business stakeholders, and drive architectural standards, cost optimisation, and observability across distributed systems.