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LSEG (London Stock Exchange Group) Logo

Senior C# .Net Developer

LSEG (London Stock Exchange Group)

Salary not specified
Sep 15, 2025
Allen, TX, US
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LSEG is seeking a Software Engineer to develop and enhance APIs for fraud prevention, identity verification, and account validation, contributing to mission-critical services for secure transactions.

Requirements

  • Core Java or .NET Core 6+ with C-Sharp
  • Multi-threading, exception handling, and ORM frameworks such as JPA
  • PostgreSQL/MySQL with strong data modeling and SQL skills
  • JUnit, Cucumber, RestAssured, Selenium
  • Jenkins, GitLab, Docker, Kubernetes
  • AWS, Azure, GCP
  • Docker, Kubernetes, or similar

Responsibilities

  • Design, develop, and maintain high-performance APIs consumed by third-party customers for fraud prevention, identity verification, and account validation.
  • Develop robust and scalable microservices-based applications using the Spring framework and cloud-native architecture.
  • Work closely with front-end teams using technologies like TypeScript, VueJS, React, and Node.js to build dynamic user interfaces.
  • Implement CI/CD pipelines using tools like Jenkins, GitLab, 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 SonarQube and Coverity.

Other

  • Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
  • 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.
  • Strong analytical and problem-solving capabilities
  • Excellent communication, presentation, and documentation skills