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About the Role
FTSE Russell (LSEG) is seeking a Senior Technical Lead to modernize and scale its real-time global index calculation platform. This is an individual contributor leadership role focused on architecture, engineering quality, and delivery of a cloud-native, low-latency system.
Responsibilities
- Design and build real-time, event-driven systems for index data calculation and distribution with low latency and high reliability.
- Own platform architecture and engineering quality through hands-on delivery, code review, and technical direction.
- Scale and operate a cloud-native platform on AWS, ensuring resilience, observability, and performance.
- Define and evolve data models and pipelines for market and reference data, focusing on accuracy, auditability, and control.
- Drive engineering standards and modernization using AI-assisted tooling and automation.
Requirements
- Strong software engineering background with experience designing and building distributed, event-driven systems.
- Proven ability to own system design and architecture, balancing performance, scalability, and reliability.
- Hands-on experience building and operating cloud-native applications on AWS.
- Solid understanding of data modelling and relational databases in production systems.
- Experience with infrastructure as code (e.g., Terraform) and modern CI/CD practices.
- Demonstrated ability to lead through engineering quality, including code reviews, testing strategy, and raising technical standards.
Skills
- Java
- C#
- Python
- SQL
- OpenAPI
- AWS (Lambda, API Gateway, S3, SQS, SNS, Aurora)
- Sybase ASE
- Sybase IQ
- Aurora Postgres
- Terraform
- AWS CLI
- GitLab
- Agentic AI tooling (e.g., GitHub Copilot, Claude Code)
- Low-latency systems
- Real-time systems
- Financial services
- Market data
- Index products
Location
- London
Work Type
- Full-time
Experience Level
- Senior
- Manager
Benefits
- Healthcare
- Retirement planning
- Paid volunteering days
- Wellbeing initiatives
About the Company
- LSEG (London Stock Exchange Group) is a diversified global financial markets infrastructure and data business.
- We are dedicated, open-access partners focused on delivering services to customers.
- We enable businesses and economies worldwide to fund innovation, manage risk, and create jobs.
- We have supported financial stability and growth globally for over 300 years.
- Our comprehensive suite of financial market infrastructure services and open-access model provide flexibility, stability, and trust.
- LSEG is headquartered in the United Kingdom with significant operations in 70 countries.
- We employ 25,000 people globally.
- Our culture connects people, creates opportunity, and delivers excellence.
- We embrace diversity and seek individuals with unique backgrounds and perspectives.
- We encourage teamwork, enabling innovation and rapid development of solutions.
- Our vision is to build an inclusive culture where everyone can fulfill their potential.
- We encourage a wealth of avenues for professional growth and skill development.
- The Real Time team builds and operates the platform for FTSE Russell's real-time indices.
- We foster a culture of engineering excellence, solving real-world problems with purpose and ambition.
- We are committed to sustainability and partner with customers to help them meet their sustainability objectives.
- The LSEG Foundation provides charitable grants to community groups.
- 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 values are Integrity, Partnership, Excellence, and Change.
Equal Opportunity
- We are proud to be an equal opportunities employer.
- We do not discriminate on the basis of 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.
- We can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.