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Application Architect
LSEG (London Stock Exchange Group)Application Architect driving application design and technical direction for World-Check customers in financial services. Collaborates with teams to build robust, scalable cloud-native applications.
Tech Stack
Tools & technologiesAWSCloudDistributed SystemsJavaPython
About the role
Key responsibilities & impact- Contribute to and shape application architectures aligned with enterprise and solution-level standards
- Translate requirements into clear, pragmatic architectural designs
- Apply and promote architectural principles, security standards, and engineering best practices
- Review significant technical design decisions within the application scope
- Ensure solutions meet required quality attributes including performance, resilience, scalability, and maintainability
- Act as a recognised technical point of reference for development teams
- Collaborate with a range of stakeholders to evaluate design options and trade-offs
- Guide the design of cloud‑native, AWS‑hosted applications
- Promote continuous improvements, by contributing to architectural roadmaps and the ongoing evolution of the platform
- Validate architectural approaches through lightweight proofs of concept
Requirements
What you’ll need- Experience as an application architect or senior engineering role within distributed systems
- Strong understanding of application design, API design, and data modelling
- Solid experience with Java and/or Python in production environments
- 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 CI/CD practices
- Sound understanding of security, authentication, and authorisation concepts
- Experience in designing solutions with good observability practices embedded
- Understanding of performance, scalability, and resilience engineering
- Familiarity with modern front‑end architectures and integration patterns
- Experience in financial services, risk, compliance, or regulated environments is desirable but not essential
Benefits
Comp & perks- Healthcare
- Retirement planning
- Paid volunteering days
- Wellbeing initiatives
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
application architectureAPI designdata modellingJavaPythonAWSInfrastructure as CodeCI/CDcontainerised architecturesobservability practices
Soft Skills
collaborationcommunicationtechnical leadershipproblem-solvingstakeholder engagementdesign evaluationtrade-off analysiscontinuous improvementmentoringadaptability