LSEG
Senior Full Stack Engineer – Index Distribution Engineering
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Senior Full Stack Engineer – Index Distribution Engineering
Senior Engineer – Data Distribution Systems
About Us
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 services our customers expect.
With over 300 years of experience in financial markets, we empower businesses and economies by enabling innovation, managing risk, and creating jobs globally. Through our open-access model, we deliver the flexibility, stability, and trust required for organisations to achieve their ambitions.
Headquartered in the UK, LSEG operates in 70 countries across EMEA, North America, Latin America, and the Asia Pacific, employing 25,000 people worldwide, with a significant majority in the Asia Pacific.
Our People
Our culture is built on three core pillars:
- Connecting – fostering collaboration and diverse perspectives.
- Creating opportunity – empowering growth through career development.
- Delivering excellence – by cultivating innovation and removing barriers.
We actively promote diversity and an inclusive environment where everyone feels valued and encouraged to fulfil their potential.
Growth is not just about climbing the career ladder; we provide numerous opportunities for personal development. As a global organisation with roots in diversity, innovation, and opportunity, LSEG is a place where everyone can thrive.
Role Summary
FTSE Russell (LSEG) is leading the charge in modernising data distribution capabilities to deliver index data to the global financial community across APIs, cloud platforms, and innovative data channels.
We are seeking a Senior Engineer with a hands-on approach to design and scale the systems driving this distribution—ensuring reliable, secure, and high-performance data delivery to institutional clients worldwide.
This individual contributor role includes strong technical leadership, focusing on system design, data modelling, and setting engineering standards across a client-facing platform.
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Key Responsibilities
- Design and build scalable data distribution systems using APIs, cloud platforms, and client-facing channels.
- Own system architecture and data modelling, ensuring performance, reliability, and maintainability at global scale.
- Develop secure, high-quality APIs and data services for external consumers.
- Drive engineering excellence through rigorous testing, code reviews, and adherence to technical standards.
- Collaborate closely with product teams and stakeholders to translate requirements into robust technical solutions.
Required Technical Skills & Experience
Essential:
- Strong expertise in distributed backend systems, APIs, and cloud-native platforms (e.g., AWS).
- Proven ability to own end-to-end system design and data modelling.
- Experience with relational databases, data-intensive systems, and ETL processes.
- Cloud development skills—especially AWS (Lambda, API Gateway, SQS, Aurora, etc.).
- Commitment to code quality, testing standards, and operational best practices.
- Collaborative mindset with a focus on customer-centric problem-solving.
Tech Stack (Core):
- Development: TypeScript, Angular/React, Python, SQL
- Cloud: AWS ecosystem (Lambda, API Gateway, S3, SQS, etc.)
- Databases: PostgreSQL, Apache Iceberg, DynamoDB, VectorDB
- CI/CD & IaC: Terraform, GitLab CI/CD pipeline
Nice-to-Have (if applicable):
- Experience in client-facing platforms or financial market data systems.
- Exposure to AI development tooling (e.g., GitHub Copilot, Claude, agentic AI frameworks).
How We Work
Our culture thrives on:
- Purpose-driven building. Start with customer needs—solve real problems.
- Technical courage. Push boundaries, go beyond your comfort zone.
- Continuous learning. Grow through feedback, mentorship, and knowledge-sharing.
- Ownership mindset. Work as if the outcome is yours; make data-driven decisions.
- Incremental delivery. Achieve milestones while building long-term impact.
- AI-native approach. Harness AI tools to enhance productivity—clarity, validation, and accountability are key.
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Career Level
By the end of your first year, expect to progress to the Manager role level.
Why LSEG?
Join a culture committed to innovation, quality, and sustainable growth. We provide:
- Global impact by enabling financial stability for communities worldwide.
- Career advancement in a supportive environment.
- Our core values: Integrity, Partnership, Excellence, and Change shape everyday behavior.
Beyond professional development, we offer: ✅ Tailored benefits – Health care, retirement planning, generosity initiatives. ✅ Paid volunteering days & wellness programs – balance work and purpose. ✅ Commitment to diversity and inclusion – fostering mutual respect at all levels. ✅ Sustainability partnerships – benefit societal and environmental progress.
About Diversity and Equal Opportunities
We are proud to be an equal opportunity employer. We value and encourage applications from individuals of all backgrounds, including:
- Race, religion, colour, national origin
- Gender identity, sexual orientation
- Age, disability, or veteran status.
We are committed to creating an accessible workplace and reasonably accommodate employees’ religious, mental health, and disability needs.
Benefits Overview
At LSEG, we offer a comprehensive benefits package to support your success and wellbeing:
- Comprehensive healthcare and wellness programs
- Flexible retirement planning options
- Paid volunteering days to encourage community involvement
- A wealth of development opportunities to grow within LSEG
Ready to join us? Help shape the future of financial data distribution with confidence and impact.
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