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Senior C# Engineer - .NET, Blazor, Kafka, API, C#

JR United Kingdom

Newport

Remote

GBP 50,000 - 80,000

Full time

Yesterday
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Job summary

A leading fintech company is seeking a Senior C# Developer for an agile team in Newport for a 3-month contract (Outside IR35). You'll implement a core banking system, focusing on building scalable services and secure APIs. This remote-first role allows flexibility for office visits, enhancing team collaboration. If you're passionate about solving complex problems and driving impactful engineering solutions, this is a prime opportunity.

Qualifications

  • Proven experience in C#/.NET, ideally in regulated/financial services/core banking.
  • Strong understanding of modern engineering principles.
  • Comfortable with RESTful APIs.

Responsibilities

  • Build core banking functionality using C# and .NET.
  • Design and maintain secure, scalable Azure-hosted APIs.
  • Support DevOps practices with CI/CD pipelines.

Skills

C#
.NET
RESTful APIs
Azure
DevOps
Blazor

Job description

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Senior C# Engineer - .NET, Blazor, Kafka, API, C#, newport

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Client:

Denu Recruit

Location:

newport, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

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Job Views:

3

Posted:

06.06.2025

Expiry Date:

21.07.2025

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Job Description:

Senior C# Developer (Contract) | Core Banking Systems | Remote (UK) | £Outside IR35

We’re working with a fast-paced fintech company looking for a Senior C# Developer to join their agile team for an initial 3-month contract (Outside IR35 - potential extension)

You’ll be playing a key role in implementing and transformation of a core banking system, building scalable services and secure APIs. If you enjoy solving complex problems and building tools that make an operational impact, this is a great opportunity to work at the heart of an innovative platform. This is a small team of engineers and as much as it is a contract there is a big focus on team focus.

  • Build core banking functionality using C# and .NET
  • Design and maintain secure, scalable Azure-hosted APIs
  • Collaborate across engineering, product and ops to ensure a smooth, efficient platform
  • Support DevOps practices with CI/CD pipelines and monitoring tools
  • They have internal interface which are built using Blazor

You’ll need:

  • Proven experience in C#/.NET, ideally in regulated/financial services/core banking - this is a big plus
  • Comfortable building and consuming RESTful APIs
  • To have strong understanding of modern eng principles to make impact on the engineering architecture and culture.

Work setup:

  • Remote-first with optional visits to offices in Cambridge or London
  • Flexible if you'd like occasional time onsite with the team

Start: ASAP

Location: UK-based, remote

Interested? Let’s chat — we’d love to tell you more. Or apply now with your CV.

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