Senior C# .Net Developer

Position Overview

We are seeking a highly skilled Software Engineer to join our Risk Intelligence division within the Digital Identity & Fraud (DI&F) department. In this role, you will develop and enhance a suite of APIs consumed by third-party customers for fraud prevention, identity verification, and account validation, contributing to mission‑critical services that enable secure transactions in today's digital world.

The ideal candidate will have a strong technical background, problem‑solving abilities, and extensive experience with Java or .NET Core, front‑end technologies, and cloud platforms. You will be a key player in designing, developing, and maintaining scalable microservices‑based applications in a fast‑paced and agile environment.

• Design, develop, and maintain high-performance APIs consumed by third‑party customers for fraud prevention, identity verification, and account validation.
• Collaborate with cross‑functional teams to understand business requirements and translate them into technical solutions.
• Develop robust and scalable microservices‑based applications using the Spring framework and cloud‑native architecture.
• Work closely with front‑end teams using technologies like Type Script, VueJS, React, and Node.js to build dynamic user interfaces.
• Implement CI/CD pipelines using tools like Jenkins, Git Lab, and ensure the automated testing of your applications using JUnit, Cucumber, Selenium, and other testing tools.
• Build and deploy containerized solutions using Kubernetes and Docker for cloud platforms such as AWS, Azure, or GCP.
• Optimize application performance using profiling tools, identify bottlenecks, and implement solutions to enhance system efficiency.
• Ensure code quality by adhering to SOLID principles, design patterns, and leveraging static and dynamic code analysis tools such as Sonar Qube and Coverity.
• Work in an agile environment, contributing to SCRUM and Kanban workflows to meet tight delivery schedules.
• Document the code structure, technical designs, and development processes for internal knowledge sharing and future reference.

• Programming
  
  Languages:
  
  Core Java or .NET Core 6+ with C#
• Backend Development: Multi‑threading, exception handling, and ORM frameworks such as JPA
• Databases: Postgre
  
  SQL/MySQL with strong data modeling and SQL skills
• Testing Tools: JUnit, Cucumber, Rest Assured, Selenium
• Dev Ops & Automation: Jenkins, Git Lab, Docker, Kubernetes
• Cloud Platforms: AWS, Azure, GCP
• Containerization: Docker, Kubernetes, or similar
• Code Quality: Sonar Qube, Coverity
• Agile Development: SCRUM, Kanban

• Strong analytical and problem‑solving capabilities
• Excellent communication, presentation, and documentation skills
• Ability to work independently and manage dynamic priorities
• Strong collaboration skills with internal and external stakeholders
• Ability to articulate technical concepts and designs to non‑technical teams

• Type Script, VueJS, React, Node.js
• Experience in the Fin Tech industry, especially in financial markets or fraud prevention systems.
• Experience with event‑driven architecture and message brokering tools such as Rabbit
  
  MQ, AWS MQ, or Azure Queue.
• Familiarity with No
  
  SQL databases like Mongo
  
  DB, Dynamo
  
  DB, or Cosmos
  
  DB.
• Experience working with highly distributed, data‑intensive systems.

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

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.