About LSEG
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. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open‑access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.
People
People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference.
Role Summary
FTSE Russell (LSEG) is building next‑generation distribution capabilities that deliver index data to the global financial community – across APIs, cloud platforms, and modern data delivery channels. We’re looking for a hands‑on Senior Engineer to design and scale the systems that power this distribution – enabling reliable, secure, and high-performance data delivery to institutional clients worldwide.
This is an individual contributor role with strong technical leadership expectations, where you’ll own system design, data modelling, and engineering standards across a critical client‑facing platform.
What you’ll be doing
- Design and build scalable data distribution systems, delivering data via APIs, cloud platforms, and client‑facing services.
- Own system architecture and data modelling, ensuring performance, reliability, and maintainability at scale.
- Develop secure, well‑designed APIs and data services for external consumers.
- Drive engineering quality through testing, review, and standards, ensuring production‑grade delivery.
- Partner closely with product and stakeholders to translate complex requirements into robust technical solutions.
Tech Stack
- Development: TypeScript, Angular/React, Python, SQL, OpenAPI.
- Cloud: AWS (Lambda, API Gateway, S3, SQS, SNS, Aurora, and others as required).
- Databases: PostgreSQL, Apache Iceberg, DynamoDB, VectorDB (e.g. ChromaDB).
- IaC and CI/CD: Terraform, AWS CLI, GitLab.
- AI Development: Agentic AI tooling (e.g. GitHub Copilot, Claude Code).
Requirements
- Strong experience building distributed backend systems and APIs.
- Proven ability to own system design and data modelling.
- Experience working with cloud‑native platforms (AWS or similar).
- Strong understanding of relational databases and data‑intensive systems.
- Ability to lead through code quality, testing, and technical standards.
Nice to Have
- Experience with data distribution, APIs, or client‑facing platforms.
- Exposure to financial data or market data systems.
- Experience with AI‑assisted engineering tooling.
How We Work
The Distribution team drives the development of innovative and secure products that power our services and meet the evolving needs of our clients. We foster a culture of engineering excellence, solving real‑world problems with purpose and ambition.
- Build with purpose. Start with why. Define the problem before reaching for a solution.
- Customer driven. Work backwards from client needs and build products to address real‑world problems.
- Technically courageous. Go beyond your comfort zone and push boundaries to deliver excellence.
- Learn and be curious. Continuously seek feedback, learn in formal and informal settings, actively share knowledge.
- Act as owners. Operate as though it is your business. Make thoughtful trade‑offs and deliver long‑term value.
- Lead with data. Validate assumptions, stay close to the details, act decisively.
- Build responsibly, deliver incrementally. Look for the small opportunities and milestones to build ambitious solutions.
- AI‑native by default. Use AI tooling as a force multiplier, frame problems clearly, validate continually, and own the output.
Career Stage
Senior Engineer (Manager)
Equal Opportunity & Benefits
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.
LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.
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. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.
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