Application Architect
London Stock Exchange Group7 months ago
London, United KingdomStaff+
Responsibilities
- Shape application architectures aligned with enterprise and solution-level standards.
- Translate business and non-functional requirements into pragmatic architectural designs.
- Review significant technical design decisions and guide engineering teams on application architecture.
- Design AWS-hosted cloud-native applications with appropriate resilience, security, operability, scalability, and cost characteristics.
- Ensure observability, supportability, deployment, performance, and maintainability are considered in designs.
- Collaborate with solution architects, product owners, engineering teams, and other stakeholders to evaluate trade-offs.
- Act as a technical point of reference and influence decisions through expertise rather than formal authority.
- Contribute to architectural roadmaps, platform evolution, proofs of concept, and continuous improvement of architectural practices and standards.
Requirements
- Experience as an application architect or in a senior engineering role working with distributed systems.
- Strong understanding of application design, API design, and data modelling.
- Production experience with Java and/or Python.
- Practical experience designing and operating AWS-based applications in cloud-native environments.
- Working knowledge of containerized architectures, messaging patterns, and distributed data stores.
- Understanding of infrastructure-as-code concepts and modern CI/CD practices.
- Knowledge of security, authentication, authorization, observability, performance, scalability, and resilience engineering.
- Deeper exposure to event-driven architectures and asynchronous messaging at scale.
- Experience optimizing performance, resilience, and cost in production cloud environments.
- Familiarity with modern front-end architectures and integration patterns.
- Strong communication and cross-functional collaboration skills.
- Experience in financial services, risk, compliance, or other regulated environments is desirable but not essential.
Benefits
- Healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.
- Collaborative and creative culture with opportunities to contribute ideas.
- Equal-opportunity employer with reasonable accommodations for religious practices, mental health needs, and physical disabilities.
- Opportunities to participate in fundraising and volunteering through the LSEG Foundation.
About London Stock Exchange Group
London Stock Exchange Group (LSEG) provides market infrastructure, financial data, and analytics to banks, asset managers, and corporations. Its businesses span capital markets (London Stock Exchange), post-trade clearing (LCH), and information services including FTSE Russell indices and the Refinitiv data platform, funded by transaction fees, subscriptions, and licensing. Headquartered in London and publicly listed on the LSE, the group serves global customers seeking trading, clearing, benchmarks, and enterprise data solutions.