Backend Software Engineer - Low Latency Systems

Backend Software Engineer / Developer (C# .Net Java Low Latency) London to £90k Are you a technologist who enjoys contributing to technical discussions and using the best tool for the job? You could be progressing your career at a global, financial Market Data provider whilst enjoying a range of perks and benefits. What's in it for you: Salary to £90k + bonus25 days holidayPension, Life Assurance and Income protectionPrivate Medical and Dental careGym subsidy and wellness appsCycle to work schemeAbility to buy stock optionsFamily leave and sabbaticalsContinuous training and career development including personalised budget Your role: As a Backend Software Engineer you will collaborate with DevOps and Product Management within an Agile team environment working on a Greenfield Market Data platform. The platform has been built with C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. You'll work across the full development lifecycle, from requirements and design through to production, providing subject matter expertise on the .Net stack and contributing to technical design discussions. You'll use a range of technology including Apache Flink with Java for large scale data processing and will be able to assess and recommend new and emerging technologies, using the best tool for the job. Location / WFH: You'll join colleagues in the City office four days a week with flexibility to work from home once a week. About you: You have strong C# .Net skills and a good understanding of design patterns such as SOLID, DRY and KISS Design PrinciplesYou've worked on systems that require high throughput, low latency and scalability and understand the challenges involved (finance experience not required)You have strong experience of building APIsYou have SQL experienceYou have a good understanding of CI/CD and Infrastructure as Code (Terraform)You have cloud experience with AWSYou're familiar with other languages such as Java and are open to learn new thingsYou're comfortable with using agentic AI and tools to help improve productivityYou're collaborative with great communication skills, happy to mentor more junior developers Apply now to find out more about this Backend Software Engineer / Developer (C# .Net Java Low Latency) opportunity.