Senior Software Developer

London Stock Exchange Group; Florida; On-site; USD 110,000 - 140,000; Full time

Job summary

London Stock Exchange Group is seeking a Senior Software Developer to build and maintain an AWS-hosted web application with Python backend and React frontend. You will collaborate with data modelers, analysts, and business users to deliver scalable, robust solutions and drive automation within Benchmarks & Index Management.

The role emphasizes adaptability to new technologies, strong coding standards, and cross-functional collaboration across global teams.

Qualifications

• 7+ years of Python development in an enterprise environment.
• 5+ years front-end development with React, JS, HTML, and CSS.
• 5+ years of SQL Server writing basic queries and stored procedures.
• Strong understanding of OOP and data manipulation libraries (Pandas, NumPy).
• Experience with version control systems (Git, Bitbucket, GitLab).
• Experience creating documentation with Confluence and issue tracking with Jira.
• Proficient in testing frameworks (pytest, Jest).

Responsibilities

• Lead the demonstration of adherence to the LSEG Data standard policies and procedures.
• Adapt quickly to new technologies, tools, and frameworks for projects.
• Engage in continuous learning to stay updated with industry trends and best practices.
• Develop and maintain web applications using React and Python.
• Write clean, maintainable, and efficient code.
• Optimize applications and code for speed and scalability.
• Fix and debug applications to improve performance.
• Participate in code reviews and contribute to teams’ best practices.
• Document data ownership and establish integrations with enterprise data repositories.

Skills

Python

React

SQL

OOP

Pandas

NumPy

Git

Confluence

Jira

PyTest

Jest

Documentation

Tools

Git

Bitbucket

GitLab

Jira

Confluence

PyTest

Jest

AWS

Databricks

Job description

Company Overview

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs! If you're looking for a new challenge where you can stretch and develop your technical skills, this could be the opportunity for you. We'd love to hear from you!

Role Purpose

Index Process Automation is an in-house technical team within Benchmarks & Index Management. As Senior Software Developer, you will be a key member in helping shape and build the future of technology for Benchmarks & Index Management. Project work is critical to enhancing quality, growing coverage, improving service and operational resiliency, and increasing automation. Primary responsibilities of the team include centralizing automation, innovation, and research to design, develop, and implement process improvements and simplification. This role will help enable transformational change across the Benchmark & Index Management Operations global team. Python developer with react front-end and Python backend experience, you will be responsible for developing and helping maintain our AWS hosted web application. Collaborate with data modelers, analysts, and business users to ensure ongoing development with different product teams.

Responsibilities

• Lead the demonstration of adherence to the LSEG Data standard policies and procedures.
• Adapt quickly to new technologies, tools, and frameworks as needed for projects.
• Engage in continuous learning to stay updated with industry trends and best practices.
• Develop and maintain web applications using React and Python.
• Write clean, maintainable, and efficient code.
• Optimize applications and code for speed and scalability.
• Fix and debug applications to improve performance.
• Participate in code reviews and contribute to teams’ best practices.
• Document data ownership and establish integrations with enterprise data repositories.

Skills & Experience

• Proven experience of a python developer with 7+ years in an enterprise environment.
• Solid understanding of OOP principles, experience using common libraries for data manipulation (pandas, NumPy, datetime, regex functions).
• 5+ years of front-end development with experience in React, JS, HTLM, and CSS.
• 5+ years of experience in SQL Server writing basic queries and executing SP’s.
• Knowledge of version control systems (e.g. Git we use Bitbucket, GitLab)
• Experience in creating comprehensive documentation using systems like Confluence and bug tracking software like Jira.
• Proficient in using testing frameworks (unit test, pytest, Jest) to ensure code quality and maintainability.

Desirable

• Hands-on experience with AWS, AZURE, or other cloud providers.
• Experience with databricks, adf, glue, ETL’s, and ELT’s.
• Demonstrated ability to work inclusively, communicate effectively, and collaborate within a team, ensuring a collaborative and productive work environment.

Soft Skills

An enthusiastic advocate of high-quality solutions Strong verbal and written communication skills, with ability to communicate technical information to non-technical partners and to listen to identified concerns and adapt accordingly

Career Stage

Career Stage: Manager

Information

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you. LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions. Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

About LSEG

Our Data & Analytics, Capital Markets and Post Trade divisions have a combined power that provides a comprehensive, integrated suite of trusted financial market infrastructure services to help our customers pursue their ambitions. Explore our divisions. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across Europe, the Middle East, Africa, North America, Latin America and Asia Pacific. Find out more Get to know some of our people who are pushing the boundaries of technology, finance and more around the world.

Company Culture & Values

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.

We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives.

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