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From the employer's careers site First seen 25 Oct 2026

Application Architect

The employer hasn't listed a salary.

Apply on London Stock Exchange Group (LSEG)

Description

As the Application Architect you will work with the Solution Architect of World-Check One - Risk Engineering. Risk Engineering and be responsible for the development of critical financial services such as World-Check One, Screening and Due Diligence

You will be a member of software engineering team who designs software solutions from the ground up, making high-level decisions about each stage of the process and directing a team of engineers to build the final product.

Responsibilities:

  • Build Logical, Physical, Implementation and Process Solution Architecture designs where required.
  • Be responsible for cloud infrastructure design and develop detailed architecture design for the application.
  • Optimise cost of cloud solutions by identifying waste and automating cloud cost management and autoscaling.
  • Support DevOps team with CICD automation.
  • Support application development teams in negotiating governance, privacy gates, compliance and risk analysis.
  • Ability to lead production issue RCA and resolution.
  • Work with Product Owners and Business Analysts providing them with conceptual ideas of how solutions can be designed, at what cost and high-level timescales.
  • Own, champion and lead all aspects of key quality of service requirements implementation for availability, recovery, reusability, performance, maintainability, security, capacity, and compatibility.

Requirements:

  • Experience in architecting highly scalable and efficient distributed systems, using different open source tools.
  • A consistent track record of delivering Application and Cloud Solution Architectures.
  • Extensive experience selecting and implementing Cloud services, primarily AWS.
  • Detailed understanding of Messaging Services for modern application architecture.
  • In-depth experience using cloud patterns, multi-tenancy, sharding, priority queue, throttling, sidecar and CAP theorem.
  • Understanding of polyglot persistence and hands-on experience with SQL and NoSQL solutions.
  • Experience with MySQL, Postgres, MongoDB, Elasticsearch and other relational databases.
  • In-depth understanding of HTTP and REST API design, management, and consumption.
  • Very strong Java skills and experienced with Python, Spring Boot, Node js and JavaScript.
  • Understanding of use of AI as a tool and within applications.
  • Experience implementing Enterprise Integration Patterns.
  • Experience with authentication methods such as SAML, OIDC or Auth2.
  • Extensive experience designing and implementing solutions for large systems that are scalable, extensible, performant, secure and highly available.

Skills

Required

Nice to have

  • Understanding of the business domain
  • Financial markets
  • Banking and news
Apply on London Stock Exchange Group (LSEG)