£85,000 to £95,000 + bonus + comprehensive benefits
Our client, a high-growth fintech organisation delivering cutting‑edge technology to the banking and financial services sector, is seeking a Senior Software Engineer (.NET) to join their backend engineering function.
This is a senior, hands‑on role with a strong focus on backend development, system design, and cloud‑native architecture. You will play a key role in shaping scalable, secure, and resilient platforms that support mission‑critical financial services.
The position suits an experienced engineer who combines deep technical expertise with strong communication, stakeholder engagement, and problem‑solving skills.
Key Responsibilities
- Lead the design, development, and evolution of backend services using modern .NET technologies
- Collaborate closely with technical and business stakeholders to shape solution design and delivery
- Build secure, scalable, and high‑performance microservices and APIs
- Contribute to architectural decisions, including event‑driven and cloud‑native approaches
- Champion test automation, code quality, and engineering best practices
- Monitor application performance and drive continuous improvement
- Support incident resolution and contribute to operational stability
- Evaluate and promote the adoption of new tools and technologies where appropriate
Required Experience & Skills
- Extensive commercial experience with .NET / C# (senior level)
- Strong background in software architecture and system design
- Proven experience building and implementing microservices and APIs
- Hands‑on experience with containerisation
- Deep understanding of test automation frameworks and practices
- Strong experience with Microsoft Azure, including modern cloud‑native services (e.g. Functions, Cosmos DB, Event Grid)
- Experience designing secure, resilient, and scalable platforms, ideally in regulated environments
You’ll work with modern .NET and Azure technologies, contribute at architectural level, and have the flexibility to work remotely—while still collaborating with a highly capable engineering team when it counts.
£85k to £95k plus benefits
Remote working (once a month visit to London)
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