Senior Full Stack Engineer C# Python AWS

Company: Client Server
Apply for the Senior Full Stack Engineer C# Python AWS
Location: London
Job Description:

Senior Full Stack Engineer C# Python AWS (PR/100657) London, England

Salary: GBP150000 – GBP180000 per annum + benefits

Senior Full Stack Engineer / Developer (C# Python AWS SQL IaC) London 12 month FTC to £180k

Are you a full stack technologist with a product based mindset?

You could be progressing your career in a hands‑on Senior Full Stack Engineer role at a tech driven, global Asset Manager with multiple billions of dollars under management, on a 12 month Fixed term Contract.

As a Senior Full Stack Engineer you will join one of the Investment Tech Engineering teams to design, develop and implement robust applications that serve Portfolio Managers, Equity Analysts, Quant and Data Insights, Decision Analytics and Performance teams. You’ll collaborate directly with stakeholders and users to identify opportunities, troubleshoot issues and deliver capabilities that improve quality, speed and reliability of investment decision making systems.

You’ll work across the full tech stack from backend services through to APIs and GUIs, with a focus on C# .Net, Python, SQL and Terraform for IaC. You’ll seek continuous improvement and pick new things up on the job as the tech stack evolves.

Location / WFH

There’s a hybrid work from home policy with three days in the London office per week where you’ll join a supportive, diverse team environment with a large range of facilities.

About you

  • You’re a skilled Software Engineer with strong experience of delivering production systems
  • You have experience within an Investment Management or financial services environment
  • You have advanced skills with C# .Net, Python, SQL, Terraform and AWS
  • You have experience of working with stakeholders and users to understand problems and build effective solutions
  • You have experience of building web UIs and backend services, APIs
  • You’re comfortable with using AI tools and integrating them in user workflows
  • You have achieved a 2.1 or above from a top tier university in a STEM discipline
  • Ideally you will also have experience in one of the following areas: R programming, Delivery Management or Business Analysis

What’s in it for you

Please note this role is on a 12 month Fixed Term Contract basis, with full benefits

  • Salary to £180k
  • Pension
  • Private medical insurance including 24 hour GP access
  • Enhanced parental leave policy
  • 25 days annual leave
  • Ongoing training and development and financial support for courses

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.

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Posted: May 23rd, 2026