Integration and Full Stack Engineer

LSEG are embarking on a Finance Transformation programme, delivering our Finance Vision and redefining the way we work to bring value and deliver sustainable growth for the business.  The Programme shall drive efficiencies and maximise benefits for LSEG by Transforming our abilities of managing Financial Crime via our internal Engineering capabilities.

We have an exciting opportunity for a Integration and Full Stack Engineer to join our dynamic team within the London Stock Exchange Group, working as part of the Financial Crime Engineering team, and supporting LSEG through designing and developing data warehousing solutions and integration of our core systems.

The role sits within the Corporate Engineering Delivery function, which provides technology services to Corporate Functions Teams for LSEG, and we are lookingfor someone with demonstrated ability for our Financial Crime Engineering Team. This is a hands-on development position for a candidate with demonstrable record of working with data analysis and database development having excellent development and problem-solving skills,

someone with creativity and self-motivation to deliver on critically important projects with timelines and competing priorities and execution excellence (preferably in Financial Services) in supporting enterprise applications across various business units and has good exposure to various database engineering platforms.

As a Lead Integration & Full Stack Engineer, you will be responsible for:

• Designing and owning enterprise integrations across internal and external platforms.
• Building secure, scalableREST APIs,GraphQL APIs and integration services.
• Developing integrations usingEventBridge,SQS,SNS,Step Functions and webhooks.
• Building modern full stack applications supporting business workflows.
• Developing responsive UIs usingReact andTypeScript.
• Building backend services usingJava/Spring Boot orNode.js/NestJS.
• Designing and implementingmicroservices and cloud-native applications.
• Managing application deployments, releases and production support.
• Establishing integration standards, reusable patterns and best practices.
• Collaborating with business, architecture and engineering teams.
• Driving code reviews, testing, automation and engineering quality.
• Mentoring engineers and providing technical leadership.

Knowledge/Skills

• Experience withEnterprise Integration Patterns and system interoperability,Kafka is must
• Strong experience with REST APIs, GraphQL, Webhooks and API design.
• Strong understanding ofOAuth2,OIDC,JWT,SAML and API security.
• Proven experience designing event‑driven and message‑based architectures.
• Hands-on experience withNode.js/NestJS.
• Experience buildingMicroservices andDistributed Systems.
• Strong proficiency inReact,TypeScript,JavaScript,HTML5 andCSS3.
• Experience withMaterial UI or similar component frameworks.
• Strong working knowledge ofPostgreSQL,MySQL andDynamoDB.
• Experience with data modelling and query optimization.
• Hands-on experience withAWS services (Lambda,ECS,EKS, SQS, SNS, EventBridge,API Gateway)
• Experience withRDS,DynamoDB andS3.
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Experience

• 8+ years of software engineering experience.
• Proven experience inenterprise integration andfull stack development.
• Strong experience designing and deliveringAPI-first solutions.
• Experience building cloud-native applications onAWS.
• Experience integrating platforms such asServiceNow,Salesforce,Workday orSAP.
• Experience deliveringevent-driven andmicroservices-based solutions.
• Experience withDevOps,CI/CD andInfrastructure as Code.
• Exposure to Financial Services, Risk, Compliance or regulated environments is preferred.
• Strong stakeholder management, ownership and leadership skills.

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 ofIntegrity, Partnership,Excellence andChange 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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