Senior Backend Developer - .Net C# - High Growth Fintech!

Senior Back-End Developer – .NET / C# Are you looking for a new challenge? Looking for autonomy and a seat at the table? London | Hybrid | Fintech The Role A fast-growing fintech is building a new in-house engineering team and is looking for a Senior Back-End Developer to become a key technical hire. You'll take ownership of a modern platform built with C#/.NET microservices, PostgreSQL, Redis and Google Cloud, helping shape architecture, engineering standards and future development. Key Responsibilities

• Build and maintain C#/.NET microservices
• Design APIs, integrations and data models
• Develop secure, scalable payment and FX services
• Work with PostgreSQL, Redis and Kubernetes/GKE
• Improve CI/CD, testing, observability and reliability
• Lead code reviews and mentor other developers
• Work closely with DevOps, Product and Operations Requirements
• Strong commercial C#/.NET experience
• Microservices and REST API expertise
• Strong PostgreSQL and Redis knowledge
• Experience with Kubernetes / Docker / Cloud
• Strong testing and CI/CD background
• Technical leadership or mentoring experience
• Fintech/payments experience highly advantageous Package Hybrid working | 25 days holiday + bank holidays | Senior seat at the table