Senior Software Engineer C# .Net in London

Senior Software Engineer C# .Net in London

London Full-Time 75000 - 90000 € / year (est.) Home office (partial)
Client Server Ltd.

At a Glance

  • Tasks: Join an Agile team to develop a high-performance Market Data platform using C# and AWS.
  • Company: Global financial Market Data provider with a focus on innovation.
  • Benefits: Earn up to £90k, enjoy 25 days holiday, and access wellness perks.
  • Other info: Collaborative environment with opportunities for mentorship and career growth.
  • Why this job: Make a real impact in tech while working with cutting-edge tools and technologies.
  • Qualifications: Strong C# .Net skills, API development experience, and cloud knowledge required.

The predicted salary is between 75000 - 90000 € per year.

London, Greater London | £75k - £90k 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.

As a Senior 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 (will also consider Azure).
  • 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.

What's in it for you:

As a Senior Software Engineer / Developer (C# .Net) you will earn a competitive package including:

  • 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

Senior Software Engineer C# .Net in London employer: Client Server Ltd.

Join a leading global financial Market Data provider in London as a Senior Software Engineer, where you'll thrive in a dynamic Agile environment and contribute to innovative projects on a Greenfield platform. Enjoy a competitive salary, generous benefits including private medical care, and a strong focus on employee growth with continuous training opportunities. With a collaborative work culture and the flexibility to work from home once a week, this role offers a rewarding career path in a cutting-edge technology landscape.

Client Server Ltd.

Contact Detail:

Client Server Ltd. Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Software Engineer C# .Net in London

Network Like a Pro

Get out there and connect with people in the industry! Attend meetups, tech conferences, or even local coding events. You never know who might have a lead on that perfect Senior Software Engineer role.

Show Off Your Skills

Don’t just talk about your experience; demonstrate it! Create a portfolio showcasing your projects, especially those involving C# and AWS. This will give potential employers a taste of what you can bring to the table.

Ace the Interview

Prepare for technical interviews by brushing up on your C# skills and design patterns like SOLID and DRY. Practice coding challenges and be ready to discuss your past projects in detail. Confidence is key!

Apply Through Us

Make sure to apply through our website for the best chance at landing that job! We’re here to help you every step of the way, so don’t hesitate to reach out if you need any tips or support.

We think you need these skills to ace Senior Software Engineer C# .Net in London

C#
.Net
AWS
Apache Flink
Java
API Development
SQL

Some tips for your application 🫡

Tailor Your CV:Make sure your CV highlights your C# .Net skills and experience with high throughput systems. We want to see how your background aligns with the role, so don’t be shy about showcasing relevant projects!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re excited about the opportunity at StudySmarter and how your skills can contribute to our Greenfield Market Data platform.

Showcase Your Technical Skills:Don’t forget to mention your experience with AWS, CI/CD, and any other tech that’s relevant. We love seeing candidates who are familiar with the latest tools and technologies, so let us know what you’ve got!

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy!

How to prepare for a job interview at Client Server Ltd.

Know Your Tech Inside Out

Make sure you brush up on your C# .Net skills and be ready to discuss design patterns like SOLID, DRY, and KISS. They’ll likely ask you about your experience with high throughput systems, so have some examples ready that showcase your understanding of scalability and low latency.

Showcase Your Collaboration Skills

Since this role involves working closely with DevOps and Product Management in an Agile environment, be prepared to talk about your teamwork experiences. Share specific instances where you’ve collaborated effectively or mentored junior developers, as this will highlight your communication skills.

Demonstrate Your Problem-Solving Abilities

Expect technical questions that assess your problem-solving skills, especially around building APIs and using CI/CD practices. Think of scenarios where you faced challenges and how you overcame them, particularly in relation to AWS or Terraform.

Stay Curious and Open-Minded

They’re looking for someone who’s not just skilled but also eager to learn new technologies. Be ready to discuss any emerging tech you’re interested in and how you’ve used agentic AI tools to boost productivity. This shows you’re proactive and adaptable, which is key in a fast-paced environment.