LSEG · 20 hours ago
Senior C# .Net Developer
Allen, TX
Full-time
Onsite
Senior LevelLSEG is a leading global financial markets infrastructure and data provider. They are seeking a highly skilled Software Engineer to join their Risk Intelligence division, focusing on developing and enhancing APIs for fraud prevention and identity verification.
ConsultingData ManagementDatabaseFinanceFinancial ServicesInfrastructureStock Exchanges
Responsibilities
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 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
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
Qualification
Required
Programming Languages: Core Java or .NET Core 6+ with C#
Backend Development: Multi-threading, exception handling, and ORM frameworks such as JPA
Databases: PostgreSQL/MySQL with strong data modeling and SQL skills
Testing Tools: JUnit, Cucumber, RestAssured, Selenium
DevOps & Automation: Jenkins, GitLab, Docker, Kubernetes
Cloud Platforms: AWS, Azure, GCP
Containerization: Docker, Kubernetes, or similar
Code Quality: SonarQube, 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
Preferred
TypeScript, VueJS, React, Node.js
Experience in the FinTech industry, especially in financial markets or fraud prevention systems
Experience with event-driven architecture and message brokering tools such as RabbitMQ, AWS MQ, or Azure Queue
Familiarity with NoSQL databases like MongoDB, DynamoDB, or CosmosDB
Experience working with highly distributed, data-intensive systems
Benefits
Healthcare
Retirement planning
Paid volunteering days
Wellbeing initiatives
Company
LSEG
LSEG (London Stock Exchange Group) is a diversified international markets infrastructure business —earning our clients’ trust for over 300 years.
Founded in 2007
10001+ employees
H1B Sponsorship
LSEG has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (35)
2024 (24)
2023 (35)
2022 (14)
2021 (9)
2020 (30)
Funding
Current Stage
Public CompanyTotal Funding
$8.19BKey Investors
Microsoft
2023-09-07Post Ipo Secondary· $2.87B
2023-05-16Post Ipo Secondary· $3.32B
2022-12-11Post Ipo Secondary· $2B
Leadership Team
David Schwimmer
Chief Executive Officer
Pascal Boillat
Chief Operating Officer
Recent News
2025-12-17
FX News Group
2025-12-17
MarketScreener
2025-12-16
Company data provided by crunchbase