Senior Software Engineer

Salary: £68,000 - 108,000 per year

Requirements:

• Very deep understanding of .NET/.NET Core and solid understanding of OO principles
• Experience in ASP.NET Core Web API and RESTful API techniques
• Solid understanding of and experience with multithreading and asynchronous programming
• Familiarity with SQL and NoSQL databases
• Hands-on experience with containerisation solutions like Docker
• Experience designing and building API-based service-oriented or microservice architectures
• Diligent with automated testing, e.g. NUnit, Moq, Cucumber, etc.
• Strong experience with middleware messaging services like RabbitMQ, TIBCO, SignalR, etc.
• Solid experience with continuous integration and continuous delivery tools like Git, TeamCity, etc.
• Agile development experience
• Fixed Income product knowledge is nice to have
• Experience configuring continuous integration and continuous delivery tools is nice to have
• Awareness/understanding of one or more JavaScript single-page application frameworks is nice to have
• Experience using the AWS platform is nice to have
• Energetic, motivated, and determined
• Pragmatic and results-oriented
• Adaptable to a diverse set of technical responsibilities
• Excellent analytical and problem-solving skills
• Productive and able to manage time effectively
• Strong written and verbal communication skills
• Bachelors degree in Computer Science, Information Technology, or a related field, or substantial practical experience of software delivery at an advanced level

Responsibilities:

• Ensure the team delivers high-quality software using industry best practices for code management, testing, and CI/CD
• Take responsibility for software delivery by ensuring quality and scope expectations are met
• Contribute to and own the technical design, ensuring all aspects of the system architecture are well documented
• Work closely with partner technology teams and collaborate effectively
• Help build a new greenfield solution as part of a small team
• Support the business in improving its electronic trading capabilities within the fixed income space

Technologies:

• API
• ASP.NET
• AWS
• CI/CD
• Cucumber
• Docker
• Git
• Support
• JavaScript
• NoSQL
• RabbitMQ
• SQL
• SignalR
• TIBCO
• Teamcity
• Web
• Cloud
• C#
• DevOps
• EC2

More:

We are hiring a Senior DotNet Developer to work on a new greenfield solution built on AWS, using services across the AWS ecosystem. This is a full-time role with three days a week in our London location. We are a small team focused on improving our electronic trading capabilities within the fixed income space, and we offer the opportunity to work on a technically challenging platform with modern engineering practices.

last updated 36 week of 2026