Senior C# Pricing Developer - (Market Risk)

Bonhill Partners Ltd; Greater London; On-site; GBP 111,000 - 138,000; Full time

Job summary

Bonhill Partners Ltd seeks an experienced Senior C# Developer to join a Global Investment Bank's market risk and pricing technology team in London. The role covers full software development lifecycle from requirements to production support, with a focus on risk analytics, pricing and robustness across front-to-back systems.

Responsibilities include building and enhancing pricing calculators, risk engines, migrating legacy .NET to .NET Core, designing APIs, and deploying containerised services

Qualifications

• Strong C# and .NET/.NET Framework development experience.
• Experience with Docker and Kubernetes, including AKS and Azure.
• Experience with Python and SQL Server.

Responsibilities

• Develop and enhance Market Risk, pricing and risk analytics applications.
• Develop and maintain pricing calculators, risk engines and supporting processes.
• Modernise and migrate legacy .NET applications to .NET Core.
• Design and develop APIs, services and application integrations.
• Develop solutions using C#, .NET/.NET Core, SQL Server and Python.
• Perform performance tuning and optimisation across the application stack.
• Support cloud-based deployment using Docker, Kubernetes and Azure Kubernetes Service (AKS).
• Develop and maintain microservices and messaging-based architectures.
• Perform rigorous unit, integration and development testing.
• Investigate, troubleshoot and resolve production issues within agreed SLAs.
• Produce high-quality technical design documentation, technical scopes and test plans.
• Work closely with Market Risk Managers, Traders, Project Managers and global technology teams.
• Coordinate development activities across geographically distributed teams.
• Support scheduled overnight and weekend risk processes and post-release activities when required.
• Mentor junior developers and contribute to the wider development team

Skills

C#

NET/.NET Framework

NET Core

Docker

Kubernetes

Azure AKS

Azure

Python

GitHub

Jira

TeamCity

Visual Studio

PowerShell

Unit testing

Microservices

Tools

AKS

Azure Data Lake

Docker

Kubernetes

GitHub

Jira

TeamCity

Visual Studio

Job description

Contract Role (6 Months - View to extend)

Global Investment Bank

Location: London (4 days per week in office)

Rate: £600-750 per day inside IR35

The Role

We are seeking an experienced Senior C# Developer to join a specialist Market Risk and Pricing technology team.

The successful candidate will contribute to the development, enhancement and modernisation of applications supporting market risk, financial product pricing and risk analytics across a global investment banking environment.

The role will involve working across the full software development lifecycle, from requirements analysis and technical design through to development, testing, deployment and production support.

You will work closely with technology teams, risk managers, traders and other stakeholders to deliver robust, scalable solutions across front-to-back risk and pricing environments.

Key Responsibilities

• Develop and enhance Market Risk, pricing and risk analytics applications
• Develop and maintain pricing calculators, risk engines and supporting processes
• Modernise and migrate legacy .NET applications to .NET Core
• Design and develop APIs, services and application integrations
• Develop solutions using C#, .NET/.NET Core, SQL Server and Python
• Perform performance tuning and optimisation across the application stack
• Support cloud-based deployment using Docker, Kubernetes and Azure Kubernetes Service (AKS)
• Develop and maintain microservices and messaging-based architectures
• Perform rigorous unit, integration and development testing
• Investigate, troubleshoot and resolve production issues within agreed SLAs
• Produce high-quality technical design documentation, technical scopes and test plans
• Work closely with Market Risk Managers, Traders, Project Managers and global technology teams
• Coordinate development activities across geographically distributed teams
• Support scheduled overnight and weekend risk processes and post-release activities when required
• Mentor junior developers and contribute to the wider development team

Essential Technical Skills

• Strong C# and .NET/.NET Framework development experience
• Practical experience developing .NET Core applications and Web APIs
• Experience with client-side and server-side application development
• Experience with Docker and Kubernetes, including Azure Kubernetes Service (AKS)
• Experience with Microsoft Azure, ideally including Azure Data Lake
• Experience working across Windows and Linux environments
• Practical experience with Python
• Strong understanding of microservices and messaging architectures
• Experience with development tools including GitHub, Jira, TeamCity, Visual Studio and PowerShell
• Hands-on experience with Control-M batch scheduling
• Strong unit and integration testing skills
• Experience developing and supporting large-scale applications covering data capture, processing, pricing and reporting

Market Risk & Financial Markets Experience

• Strong understanding of Market Risk and VaR calculations
• Experience working with financial product pricing and risk analytics
• Experience with market risk, pricing or financial analytics platforms
• Understanding of financial products, including:
• Securities Borrowing and Lending
• Equities
• Understanding of market data, pricing and risk calculations
• Experience working with front, middle and back-office system integrations and feeds
• Experience with systems such as Murex is desirable
• Experience with cross-asset pricing and risk analytics is advantageous

Experience & Personal Attributes

• Experience working within an investment banking technology environment
• Previous experience in Market Risk, Pricing or Risk Technology
• Experience supporting middle-office or front-office technology environments
• Strong understanding of financial markets and trading technology
• Ability to work independently, take ownership and deliver high-quality solutions
• Strong problem-solving and analytical skills
• Excellent attention to detail
• Strong planning, prioritisation and organisational skills
• Ability to work effectively under pressure and meet tight deadlines
• Strong written and verbal communication skills
• Ability to communicate complex technical concepts clearly to business stakeholders
• Experience working with geographically distributed teams
• A proactive, flexible and collaborative approach
• Willingness to mentor colleagues and provide cross-functional support
• Experience working in Market Risk and/or Pricing Technology
• Experience of cloud migration and platform modernisation
• Experience of large-scale risk infrastructure and distributed systems
• Experience with cross-asset pricing and risk analytics
• Experience supporting global technology platforms across multiple regions
• Experience working with financial pricing engines or market risk platforms