Senior Developer, Index .NET​/SQL

Senior Developer, Index Support .NET/SQL

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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 commitment 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.

It’s how we’ve contributed to supporting financial stability and growth of communities and economies globally for more than 300 years.

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 must be an authority in diagnosing, solving, and resolving complex technical issues that advance 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 complex user journeys, workflows, and data interactions involved in the Index business lifecycle. This understanding is crucial for effectively addressing and resolving high-level technical support issues.

This role works with the FTSE Engineering – 3rd Line Support Manager and will require close collaboration with internal and external index business collaborators, including Full Stack Developers, Product Owners, Business Analysts, and technology teams. You will also work directly with users and technical teams to manage, diagnose, and resolve technical issues within our key Index Platforms, which embrace innovative technologies and AWS cloud‑native architecture.

We are looking for an enthusiastic and hard‑working software engineer who is adept at long‑term fixes for database applications across multiple databases (SQL Server, Sybase, Postgre

SQL) and possesses solid experience in providing 3rd line support, including incident management, and collaborating closely with business collaborators.

• Extensive experience providing 3rd line support, diagnosing, solving, and resolving complex technical issues related to database systems and integrations, ensuring high availability and performance.
• 8‑10+ years of solid experience in database application support across multiple databases (SQL Server, Sybase, Postgre
  
  SQL).
• Prior experience working in data‑intensive applications, demonstrating a capacity to handle, analyse, and optimize large datasets and complex database structures.
• Solid experience in debugging sophisticated SQL queries, stored procedures, triggers, scripts, cursors, and views, with a focus on SQL code tuning, consolidating views, and supervising database performance metrics.
• Solid experience in C#.NET, showcasing proficiency in programming and application development within .NET frameworks to support database operations and integrations.
• Familiarity with Postgre
  
  SQL Aurora, queues, elastic search, indicating a broad understanding of database technologies and the ability to use these tools for improved data processing and search capabilities.
• Good experience with cloud services (AWS or Azure preferred), demonstrating a capability to use cloud‑based resources and services for database hosting, scaling, and management.
• Some experience in Business and Technical Analysis, Quality Assurance, Delivery Management, and/or Emerging Technology and Governance, reflecting well‑rounded abilities that support project management, quality assurance practices, and the exploration of new technologies.
• Strong verbal and written communication skills, essential for effective collaboration with internal and external collaborators, clear documentation, and the ability to convey complex technical information to non‑technical audiences.

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…