Software Engineer C# .Net Low Latency

Software Engineer C# .Net Low Latency

Full-Time 60000 - 80000 £ / year (est.) No working from home possible
Client Server

At a Glance

  • Tasks: Collaborate in an Agile team on a Greenfield Market Data platform using C# and AWS.
  • Company: Join a global financial Market Data provider based in London, handling 40 billion messages daily.
  • Benefits: Enjoy a salary up to £90k, 25 days holiday, and private medical care.
  • Other info: Work from the City office four days a week with one day of remote flexibility.
  • Why this job: Contribute to technical discussions and work with cutting-edge technologies like Apache Flink.
  • Qualifications: Strong C# .Net skills, experience with APIs, and understanding of CI/CD and Terraform required.

The predicted salary is between 60000 - 80000 £ per year.

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 + bonus
  • 25 days holiday
  • Pension, Life Assurance and Income protection
  • Private Medical and Dental care
  • Gym subsidy and wellness apps
  • Cycle to work scheme
  • Ability to buy stock options
  • Family leave and sabbaticals
  • Continuous training and career development including personalised budget

Your role:

As a 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 Principles
  • You'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 APIs
  • You have SQL experience
  • You have a good understanding of CI/CD and Infrastructure as Code (Terraform)
  • You have cloud experience with AWS
  • You're familiar with other languages such as Java and are open to learn new things
  • You're comfortable with using agentic AI and tools to help improve productivity
  • You're collaborative with great communication skills, happy to mentor more junior developers

Apply now to find out more about this opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Software Engineer C# .Net Low Latency employer: Client Server

This global financial Market Data provider is located in London and offers a competitive salary up to £90k. The company promotes continuous training and career development, ensuring employees can grow their skills while working on innovative projects.

Client Server

Contact Details:

Client Server Recruitment Team

We think you need these skills to ace Software Engineer C# .Net Low Latency

C#
.Net
Agile Methodologies
Apache Flink
Java
High Throughput Systems
Low Latency Systems