Software Engineer – Equity Index Platform

LSEG (London Stock Exchange Group)

. Design, build, and scale index platforms used by global financial institutions .

Posted 9/30/2026full-timeLondon • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in backend development using C# .NET and cloud-native architectures, alongside proficiency in UI development with Angular and modern JavaScript frameworks. Strong ability to implement RESTful APIs, microservices, and CI/CD pipelines while collaborating effectively with global teams and ensuring high-quality software standards.

Highest-signal resume keywords

C# .NET DevelopmentAngular 8+ UI DevelopmentRESTful API ImplementationCI/CD Pipeline ManagementSQL Server Database Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C# .NETAngular 8+JavaScriptHTML/CSSRESTful APIsMicroservicesSQL ServerSybasePostgreSQLAWS Services

Soft Skills

Attention to DetailInterpersonal SkillsTime Management

Tools & Technologies

AWS EC2AWS LambdaAWS GlueAWS EKSAWS SQSAWS SNSMSTestTSQLtCucumberMocha

Industry Keywords

Cloud-Native ArchitecturesBig Data SystemsAgile MethodologiesAutomated TestingEngineering Excellence

Tech Stack

Tools & technologies

AngularAWSCloudEC2JavaScriptJenkinsMicroservicesMochaPostgresSQLTerraform.NET

About the role

Key responsibilities & impact

Design, build, and scale index platforms used by global financial institutions
Develop backend code in C# .NET and cloud-native architectures
Create responsive user interfaces using Angular and modern JavaScript frameworks
Implement RESTful APIs, microservices, and automated CI/CD pipelines
Work with big data systems and SQL Server, Sybase, and PostgreSQL databases
Partner with global teams to define solutions across cloud, data, and analytics
Analyze production problems and provide troubleshooting and support
Work with upstream and downstream development teams to implement functionality
Collaborate with QA teams to design test cases and implement automated test drivers
Participate in code reviews and uphold software design, development, quality, and security standards through agile methodologies
Communicate complex information clearly and concisely
Promote engineering excellence and continuous improvement

Requirements

What you’ll need

Solid experience in UI development for business-critical applications using Angular 8 or above, JavaScript, HTML/CSS, and C#
Exposure to AWS services
Experience with C# .NET, RESTful APIs, microservices, SQL Server, Sybase, and PostgreSQL
Knowledge of AWS services including EC2, Lambda, Glue, EKS, SQS, and SNS
Experience with testing tools including MSTest, tSQLt, Cucumber, and Mocha
Experience with CI/CD tools including GitHub Actions, Jenkins, and Terraform
Ability to troubleshoot production problems
Ability to work with QA teams on test cases and automated test drivers
Ability to work against tight deadlines
Excellent attention to detail, interpersonal skills, and time management skills

Benefits

Comp & perks

Healthcare
Retirement planning
Paid volunteering days
Wellbeing initiatives
Opportunities for fundraising and volunteering through the LSEG Foundation
Reasonable accommodations for religious practices, mental health, or physical disability needs