Lead Platform Engineer: API Management & DX Architect

LSEG

Gdynia

On-site

PLN 265,000 - 419,000

Full time

14 days+

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Benefits offered by this job

Annual Bonus Plan

Benefits program

Healthcare

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Wellbeing initiatives

Job summary

LSEG (London Stock Exchange Group) is seeking a Lead Platform Engineer / Solution Architect to shape and evolve our enterprise API Management Platform. This platform-as-a-product role focuses on scalable, self-service capabilities, developer experience, and consistency across a federated tech landscape for efficient design, publish, discover, and consume APIs.

You will collaborate with product, design, and engineering teams, driving adoption, standards, and governance while leveraging AI-enabled

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.
Strong problem-solving skills with the ability to navigate ambiguity, assess trade-offs, and make pragmatic architectural decisions.
Demonstrated ownership mindset with the ability to lead initiatives and drive improvements in complex environments.
Experience collaborating effectively with engineers, architects, product managers, and stakeholders across organisational boundaries.
Strong communication skills, with the ability to explain technical concepts to both technical and non-technical audiences.
Experience using AI-enabled development tools such as GitHub Copilot, Cursor, or similar technologies to enhance engineering productivity while maintaining quality and governance.

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.
Define, implement, and promote reusable patterns, standards, and best practices for API exposure, governance, and lifecycle management.
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.
Contribute to long-term platform ownership by finding opportunities to simplify architecture, reduce technical debt, and improve operational efficiency.
Establish and promote clear platform standards, ensuring governance and controls are embedded without reducing developer productivity.
Support and evolve API lifecycle tooling, including design, publishing, documentation, sandbox environments, and discovery capabilities.
Leverage AI-assisted engineering tools to improve development efficiency, platform automation, testing, and operational excellence.
Monitor platform health and usage metrics, using data and insights to continuously improve platform performance and customer satisfaction.
Act as a trusted technical advisor, contributing architectural guidance and helping teams make informed technology decisions.