Join LSEG’s World-Check Risk Intelligence Team

Empowering screening platform with trusted data and cutting-edge technology. World-Check Risk Intelligence provides accurate, reliable information and powerful tools to support compliance with due diligence obligations, including Know Your Customer (KYC) screening and anti-money laundering (AML) requirements.

We are seeking an experienced Application Architect with deep expertise in AWS cloud technologies, proof-of-concept (POC) development, and data modeling. This role is responsible for designing end-to-end platform architectures, user interaction models, application integrations, data flows, and platform dependencies, ensuring alignment with business objectives, enterprise standards, cyber security compliance, and long-term scalability requirements with close collaboration with business stakeholders, product teams, engineering teams, and data specialists to deliver high-quality, future-ready solutions that support organizational growth and digital transformation.

At LSEG, we prioritize equal opportunity and are committed to building diverse teams that foster collaboration and innovation.

Key Responsibilities:

• Design end-to-end application architectures for AWS cloud-native platform solutions.
• Create high-level and low-level solution designs covering application, integration, data, cyber security, and infrastructure components.
• Lead architecture reviews and provide technical governance throughout the project lifecycle.
• Lead rapid prototyping and proof-of-concept initiatives to validate business and technical feasibility.
• Ensure solutions are scalable, reliable, secure, and aligned with enterprise architecture principles.
• Enforce best practices for cloud-native, microservices, and domain-driven and event-driven architectures.
• Present architecture recommendations, findings, and implementation roadmaps to stakeholders.
• Support technology selection and platform assessment activities.
• Collaborate with product, solution architect, and security teams to align solutions with business goals.
• Collaborate with data engineers and analytics teams to ensure alignment between application and data architecture.

Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 8+ years of software engineering and application architecture experience.
• 3+ years of hands-on AWS solution architecture experience.
• Proven experience designing enterprise-scale applications and domain-driven design (DDD) with solid understanding of AWS architecture, micro-services, APIs, and event-driven systems.
• Experience with DevOps, CI/CD pipelines, and Infrastructure as Code.
• Experience with AI-assisted development tools (e.g. GitHub Copilot, Claude Code)
• Excellent problem-solving, collaboration, communication, and leadership skills across product and engineering teams.
• Proven a positive and high-energy personal commitment with a collaborative mindset.
• Experience with AI/ML services on AWS (Bedrock, SageMaker) is considered an advantage.
• Familiarity with data engineering, machine learning, or AI technologies is considered an advantage.

Career Stage:

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

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