L

LSEG

Global financial market infrastructure and data

Application Architect

Software EngineeringConfirmed live in the last 24 hours
Full-timeNo salary listedIn-person

About the Job

Requirements

  • Experience as an application architect or senior engineering professional working with distributed systems.
  • Strong understanding of application design, application programming interface design, and data modelling.
  • Production experience with Java and/or Python.
  • Practical experience designing and operating AWS-based applications in a cloud-native environment.
  • Working knowledge of containerised architectures, messaging patterns, and distributed data stores.
  • Understanding of Infrastructure as Code concepts and modern continuous integration and continuous delivery practices.
  • Sound understanding of security, authentication, and authorisation concepts.
  • Strong communication skills and the ability to explain technical concepts clearly to technical and non-technical audiences.
  • Ability to influence technical decisions and collaborate effectively across teams and cultures.
  • Experience designing solutions with observability practices embedded.
  • Understanding of performance, scalability, and resilience engineering.

Responsibilities

  • Contribute to and shape application architectures aligned with enterprise and solution-level standards.
  • Translate requirements into clear, pragmatic architectural designs, promoting consistency, reuse, and good design practices across application components.
  • Apply and promote architectural principles, security standards, and engineering best practices.
  • Review significant technical design decisions within the application scope in collaboration with engineering and solution architecture teams.
  • Ensure solutions meet quality attributes including performance, resilience, scalability, and maintainability.
  • Act as a technical point of reference for development teams and collaborate with stakeholders to evaluate design options and trade-offs.
  • Influence technical decisions through expertise and clear communication rather than formal authority.
  • Guide the design of cloud-native, AWS-hosted applications, considering resilience, security, operability, and cost.
  • Ensure observability, supportability, and deployment concerns are considered early in design.
  • Contribute to architectural roadmaps and the ongoing evolution of the platform.
  • Validate architectural approaches through lightweight proofs of concept where appropriate.
  • Support continuous improvement in architectural practices, patterns, and technical standards.

Desired Qualifications

  • Deeper exposure to event-driven architectures and asynchronous messaging at scale.
  • Experience optimising performance, resilience, and cost in production cloud environments.
  • Familiarity with modern front-end architectures and integration patterns.
  • Experience working in financial services, risk, compliance, or other regulated environments is desirable but not essential.

About the Company

LSEG

Global financial market infrastructure and data

LSEG provides global financial market infrastructure and data across the full value chain. It delivers data, analytics, and risk-management tools, benchmarks via FTSE Russell, regulatory and financial crime risk services, and trading, clearing, and settlement through its Capital Markets and Post Trade divisions, typically accessed via subscriptions, licensing, and fees. The company differentiates itself by offering an integrated, end-to-end platform that covers pre-trade data and analytics to post-trade processing with a broad, global footprint. Its goal is to grow over the long term by leveraging its diversified portfolio and international reach to create value for shareholders and customers.

Company size
10,001+
Company stage
IPO
Headquarters
London, United Kingdom
Founded
1801

Recently Posted Jobs

Explore more opportunities at LSEG

See more jobs