Senior Full Stack Engineer

Harnham - Data & Analytics Recruitment; London; On-site; GBP 90,000 - 130,000; Full time

Job summary

A leading investment management firm in London is seeking a Senior Full Stack Developer to join their team. You will work on greenfield projects that have a real impact on automated trading strategies. The role requires proficiency in C#/.NET, a solid foundation in mathematics, and collaborative problem-solving skills. This opportunity offers autonomy within a flexible work environment, along with a competitive salary and benefits including private health insurance and gym membership.

Benefits

Bonus (paid twice yearly)

Pension scheme

Private health insurance

Gym membership

Qualifications

• 5-10 years of software engineering experience.
• Strong proficiency in C# and .NET platform.
• Solid foundation in mathematics and statistics.

Responsibilities

• Design, build, and maintain full-stack software solutions in C#/.NET.
• Develop predictive models for real-time sports trading.
• Collaborate across a highly technical team.

Skills

C#

.NET

Mathematics

Statistics

SQL

Communication

Problem-Solving

Tools

SQL Server

ASP.NET

React

Git

PlasticSCM

Job description

Role: Senior Full Stack Developer (C#/.NET) Salary: £90,000 - £130,000 + bonus + benefitsLocation: Central London - 5 days per week onsite

Overview

Our client is a high-performing, London-based investment management firm specialising in sports trading. Founded in 2007 and generating £6.11M in turnover last year, they operate globally across football, cricket, US sports, and more. With a flat structure, strong team retention, and a culture focused on autonomy, flexibility, and high impact, they're now looking to expand their engineering function with two Full Stack Developers.

This is an opportunity to work on greenfield projects with real-world impact, building predictive modelling systems that power automated trading and investment strategies.

Key Responsibilities

• Design, build, and maintain full-stack software solutions in C#/.NET Develop predictive models for real-time sports trading and analysis Contribute to greenfield product development with autonomy and ownership Collaborate across a highly technical team with strong mathematical expertise Solve complex, data-driven problems that have immediate business impact Support system integration, testing, and deployment processes

Ideal Candidate

• 5-10 years of software engineering experience Strong proficiency in C# and the .NET platform Solid foundation in mathematics, statistics, or quantitative problem-solving Experience with SQL Server, Oracle, or similar RDBMS Comfortable working in a fast-paced, collaborative environment Excellent communication skills; fluency in English Passion or interest in sports (sports trading background not required) Strong tenure and track record of mastery in a domain

Nice to Have

• Experience with JavaScript frameworks (e.g., React) Network programming (TCP/UDP) Multi-threaded application development Familiarity with version control tools (PlasticSCM, Git, etc.) Exposure to Windows-based technologies

Tech Stack / Tools

• C# / .NET (latest versions) SQL Server ASP.NET React (optional) TCP/UDP protocols Git, PlasticSCM

Benefits

• Bonus (paid twice yearly, tied to personal performance) Pension scheme Private health insurance Gym membership (with work-hour access up to twice a week)