Senior Java Engineer: AI-Driven, Data-Intensive Platform

London Stock Exchange Group; United States; On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Healthcare

Retirement plan

Volunteer days

Wellbeing initiatives

Job summary

London Stock Exchange Group in the United States is seeking a highly skilled Senior Java Engineer with AI expertise to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell’s global family of indexes and requires advanced engineering, high precision data processing, and deep collaboration across global teams.

This is a deeply technical role focused on designing, building, integrating, and operationalizing modern

Qualifications

• 10+ years of hands-on backend software engineering experience.
• Develop and enhance intelligent solutions using AI and data intensive systems.
• Experience building scalable, distributed services and APIs.

Responsibilities

• Design, develop, and maintain complex Java and Python applications using modern engineering practices.
• Build / embed AI powered features into critical systems.
• Architect and enhance services that support large-scale index computations.
• Collaborate with global teams to deliver high quality products.
• Lead projects end-to-end from requirements to deployment.
• Maintain automated test suites for performance and security.
• Diagnose production issues and provide Level3 support.
• Mentor junior engineers and conduct peer reviews.

Skills

Java

Python

AI/ML

LLMs

LangChain/LangGraph

Agent AI frameworks

REST APIs

Microservices

Docker

Kubernetes

JVM performance

CI/CD

DevOps

Tools

Jenkins

GitLab

Oracle/SQL Server/Postgres

Job description

London Stock Exchange Group in the United States is seeking a highly skilled Senior Java Engineer with AI expertise to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell’s global family of indexes and requires advanced engineering, high precision data processing, and deep collaboration across global teams.

This is a deeply technical role focused on designing, building, integrating, and operationalizing modern