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

JR United Kingdom; Oxford; Remote; GBP 80,000 - 100,000; Full time

Job summary

Une entreprise fintech en pleine croissance recherche un Senior C# Developer pour un contrat de 3 mois dans le développement de systèmes bancaires. Ce rôle se concentre sur la construction de services évolutifs ainsi que sur la création d'APIs sécurisées. Vous travaillerez au sein d'une petite équipe agile et dynamique, avec des possibilités de travail à distance tout en accueillant des visites ponctuelles au bureau.

Qualifications

• Expérience prouvée en C#/.NET, de préférence dans les services financiers/traitement bancaire.
• Connaissances dans la conception et la consommation d'API RESTful.
• Compréhension des principes modernes d'ingénierie.

Responsibilities

• Construire des fonctionnalités bancaires principales utilisant C# et .NET.
• Design et maintenance d'APIs sécurisées et évolutives hébergées sur Azure.
• Collaboration avec les équipes d'ingénierie, produit et opérations.

Skills

C#

.NET

RESTful APIs

Azure

Job description

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

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Client:

Denu Recruit

Location:

oxford district, United Kingdom

Job Category:

Other

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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.