Senior Backend Architect - Data Distribution & APIs

London Stock Exchange; Greater London; On-site; GBP 110,000 - 150,000; Full time

Job summary

London Stock Exchange is seeking a hands‑on Senior Engineer to design and scale the systems that power next‑generation data distribution to the global financial community. You will own system design, data modelling, and engineering standards for a critical client‑facing platform.

Responsibilities include building scalable data distribution via APIs and cloud platforms, developing secure APIs, and driving production‑grade quality through rigorous testing and reviews.

Qualifications

• Experience with cloud-native platforms (AWS or similar).
• Strong focus on code quality, testing, and technical standards.
• Experience building distributed backend systems and APIs.
• Ability to own system design and data modelling.
• Solid understanding of relational databases and data‑intensive systems.
• Experience with data distribution, APIs, or client-facing platforms.
• Exposure to AI-assisted engineering tooling.
• Experience with financial or market data systems.

Responsibilities

• Design scalable data distribution systems delivering data via APIs, cloud platforms, and client‑facing services.
• Own system architecture and data modelling to ensure 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 to enable production‑grade delivery.
• Partner with product and stakeholders to translate complex requirements into robust technical solutions.
• Mentor as a hands‑on senior engineer and maintain high engineering standards as an individual contributor.

Skills

Cloud AWS

Code quality

Distributed backend

System design

Data modelling

Relational DBs

APIs

AI tooling

Market data

Job description

London Stock Exchange is seeking a hands‑on Senior Engineer to design and scale the systems that power next‑generation data distribution to the global financial community. You will own system design, data modelling, and engineering standards for a critical client‑facing platform.

Responsibilities include building scalable data distribution via APIs and cloud platforms, developing secure APIs, and driving production‑grade quality through rigorous testing and reviews.