Principal SQL Developer – Trading Desk | SQL Server, C#/.NET, Concurrent SQL environment | 25-Year Systematic Hedge Fund
Location: City of London (office-based, Monday-Friday)
Salary: £120,000 base (flexibility up to £180,000 depending on experience)
Bonus: Up to 100% of base salary (performance-based and historically paid)
Our client, an algorithmic trading hedge fund with a 25-year track record in systematic trading, are hiring a Principal SQL Developer to join their trading desk tech team. It’s a 20-person business with roughly half the team in engineering and technical roles, so you’re in a genuinely tech-led environment where trading is fully programmatic and engineers work closely with the desk day to day.
They’re hiring a Principal SQL Developer to become the lead engineer responsible for their most business-critical platform: the internal trading dashboard that sits at the centre of the desk’s day-to-day activity. You’ll work closely with traders, quantitative researchers and the Founder, helping shape how financial market data is stored, modelled, queried and surfaced across the business.
A big part of the role is understanding what the business is trying to achieve with the data, then designing the right structures, workflows and tooling around it.
A lot of the core business logic sits in SQL stored procedures, and the role spans both the database and application layers across SQL Server and C#/.NET systems while acting as a key link between the trading desk and wider engineering team.
SQL Server
Highly concurrent SQL environments
Data modelling
C# / .NET
Financial services experience
Strong academics (2:1 or above in a technical discipline)
SQL Server on Windows VMs in Azure
C# / .NET
Data visualisation
Reporting and monitoring tools
Front-office buy-side experience
SQL Server performance tuning
Bonus up to 100% (performance-based, genuinely paid)
~25 days holiday + bank hols
~ Pension
Principal SQL Developer – Trading Desk | SQL Server, C#/.NET, Concurrent SQL environment | 25-Year Systematic Hedge Fund

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