Job Description
Role: Lead C# Developer - Fixed Income
Location: London, 3 days per week on site required
Duration: 6-month contract
Rate: Via umbrella company
Are you a highly skilled C# Developer with a deep understanding of Fixed Income products and the confidence to take ownership in a front-office environment? Join a globally respected financial institution at the very start of an exciting new project. You'll have a direct impact on the design and delivery of technology solutions supporting bond and swap trading in a fast-paced, business-facing role.
About the Role
This is a senior-level position within a Front Office Fixed Income technology team, offering significant autonomy and visibility. You will act as the key technical representative for the team, attending stakeholder meetings, partnering directly with Directors, and solving complex business problems with robust backend solutions.
Working primarily with C# and SQL Server, you'll design and implement high-performance systems that support trading desks across the Fixed Income space. This role is ideal for someone who thrives on ownership, has strong financial knowledge, and enjoys building relationships with both IT and business stakeholders.
Key Responsibilities
Represent the IT team in meetings with Directors and business users
Own and drive backend solution design using C# and SQL Server
Collaborate closely with the Product Owner and senior stakeholders to understand requirements and deliver fit-for-purpose solutions
Work hands-on across all stages of the SDLC, from early design through to deployment
Apply in-depth knowledge of bonds, swaps, and Fixed Income trading workflows
Ensure systems are scalable, high-performing, and meet regulatory obligations
What We're Looking For
Expert-level C# development experience (including .Net Core)
Strong experience with SQL Server and backend architecture
Proven background in the Fixed Income domain (bonds, swaps, pricing models, etc.)
Ability to operate independently and represent IT in front-office settings
Solid understanding of both technical concepts and trading business processes
Comfortable in a senior role, owning solutions end-to-end
Background in banking or capital markets environments
Why Join?
This is a chance to step into a senior developer role with real impact from day one. You'll help shape a new project within an established, globally recognised financial services organisation known for its strong culture, collaborative ethos, and innovative tech environment.
If you're looking for a role that blends technical challenge, business engagement, and career visibility - this is it.
Candidates will ideally show evidence of the above in their CV to be considered please click the "apply" button.
Please be advised if you haven't heard from us within 48 hours then unfortunately your application has not been successful on this occasion, we may however keep your details on file for any suitable future vacancies and contact you accordingly.
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.
