Senior Developer, Index Support .NET/SQL

About the role

As a Senior Support Engineer specializing in SQL within FTSE Engineering, you will lead and supervise day-to-day activities surrounding production support of critical systems. You will be an authority in diagnosing, solving, and resolving complex technical issues beyond first and second-line support, ensuring the stability and reliability of our production systems.

The ideal candidate will collaborate with other technology teams and business users to deeply understand the complex user journeys, workflows, and data interactions involved in the Index business lifecycle. This role requires close collaboration with internal and external index business collaborators, including Full Stack Developers, Product Owners, Business Analysts, and technology teams.

You will work directly with users and technical teams to manage, diagnose, and resolve technical issues within our key Index Platforms, leveraging innovative technologies and AWS cloud-native architecture.

Responsibilities

• Provide 3rd line support, including diagnosing, solving, and resolving complex technical issues related to database systems and integrations to ensure high availability and performance.
• Support database applications across multiple databases (SQL Server, Sybase, PostgreSQL).
• Handle, analyze, and optimize large datasets and complex database structures in data-intensive applications.
• Debug sophisticated SQL queries, stored procedures, triggers, scripts, cursors, and views, focusing on SQL code tuning, consolidating views, and supervising database performance metrics.
• Develop and implement long-term fixes for database applications.
• Collaborate with business collaborators on incident management.
• Work with cloud services (AWS or Azure preferred) for database hosting, scaling, and management.
• Engage in business and technical analysis, quality assurance, delivery management, and emerging technology governance.
• Communicate effectively with both technical and non-technical stakeholders through clear documentation and verbal updates.

Requirements

• 8-10+ years of solid experience in database application support across multiple databases (SQL Server, Sybase, PostgreSQL).
• Extensive experience providing 3rd line support, including incident management.
• Prior experience working in data-intensive applications.
• Solid experience in debugging sophisticated SQL queries, stored procedures, triggers, scripts, cursors, and views.
• Proficiency in SQL code tuning and database performance optimization.
• Solid experience in C#.NET for programming and application development within .NET frameworks.
• Familiarity with PostgreSQL Aurora, queues, and Elasticsearch.
• Good experience with cloud services (AWS or Azure preferred).
• Experience in business and technical analysis, quality assurance, delivery management, and/or emerging technology governance.
• Strong verbal and written communication skills.

About LSEG

LSEG (London Stock Exchange Group) is a diversified global financial markets infrastructure and data business. 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. Our purpose is driving financial stability, empowering economies, and enabling customers to create sustainable growth.

We value innovation, quality, and continuous improvement. Our culture is built on the values of Integrity, Partnership, Excellence, and Change. We are a dynamic organization of 25,000 people across 65 countries, committed to sustainability and supporting our customers in meeting their sustainability objectives.

LSEG offers a collaborative and creative culture where new ideas are encouraged. Our charity, the LSEG Foundation, provides grants to community groups that help people access economic opportunities and build financial independence. Colleagues can participate through fundraising and volunteering.

Benefits

• Tailored benefits and support, including healthcare and retirement planning.
• Paid volunteering days and wellbeing initiatives.