Senior API Platform Architect

London Stock Exchange Group; Gdynia; On-site; PLN 203,800 - 322,200; Full time

Job summary

London Stock Exchange Group is seeking a Platform Engineer / Solution Architect to shape and evolve the enterprise API Management Platform. This role focuses on scalable, self-service capabilities, developer experience, and governance across a federated tech landscape.

You will work with engineers, product partners, and architects to accelerate API adoption, drive automation, and reduce technical debt while maintaining strong security and operational excellence.

Qualifications

• Experience designing, building, or operating internal platforms, shared services, or enterprise infrastructure capabilities.
• Strong understanding of API management concepts, including API gateways, traffic management, service-to-service communication, and lifecycle management.
• Knowledge of authentication and security patterns, including OAuth, OpenID Connect, API security controls, and access management.
• Experience with distributed systems and cloud-native architectures.
• Ability to design solutions that balance scalability, maintainability, operational efficiency, and developer experience.
• Experience defining technical standards, reusable patterns, and governance approaches that enable consistency across multiple teams.

Responsibilities

• Design and evolve the architecture of the API Management Platform, ensuring scalability, resilience, security, and ease of adoption.
• Drive the strategic evolution of core platform capabilities, including API Gateway, API Management, API Discovery, and Developer Experience services.
• Own and continuously improve runtime capabilities such as authentication, authorisation, traffic management, rate limiting, policy enforcement, transformation, and observability.
• Build and enhance self-service capabilities that enable API producers and consumers to onboard, develop, and integrate with minimal manual support.
• Work closely with product, design, and engineering teams to improve platform usability, adoption, and overall developer experience.
• Collaborate with engineering teams across the organisation to understand requirements, remove friction points, and drive platform consistency at scale.

Skills

API management

Distributed systems

Cloud-native

Security patterns

AI-enabled tools

Communication skills

Platform Engineering

Tools

Kong

Apigee

AWS API Gateway

Azure API Management

Job description

London Stock Exchange Group is seeking a Platform Engineer / Solution Architect to shape and evolve the enterprise API Management Platform. This role focuses on scalable, self-service capabilities, developer experience, and governance across a federated tech landscape.

You will work with engineers, product partners, and architects to accelerate API adoption, drive automation, and reduce technical debt while maintaining strong security and operational excellence.