About this role
Salary: £61,000 - 101,000 per year
Requirements: Strong commercial C#/.NET experienceMicroservices and REST API expertiseStrong PostgreSQL and Redis knowledgeExperience with Kubernetes / Docker / CloudStrong testing and CI/CD backgroundTechnical leadership or mentoring experienceFintech/payments experience highly advantageous Responsibilities: Build and maintain C#/.NET microservicesDesign APIs, integrations and data modelsDevelop secure, scalable payment and FX servicesWork with PostgreSQL, Redis and Kubernetes/GKEImprove CI/CD, testing, observability and reliabilityLead code reviews and mentor other developersWork closely with DevOps, Product and Operations Technologies: APIC#CI/CDCloudDevOpsDockerKubernetesPostgreSQLRESTRedismicroservicesASP.NETBackend More:
We are a fast-growing fintech building a new in-house engineering team and looking for a Senior Back-End Developer to become a key technical hire. You will take ownership of a modern platform built with C#/.NET microservices, PostgreSQL, Redis and Google Cloud, helping shape architecture, engineering standards and future development. We offer hybrid working, 25 days holiday plus bank holidays, and a senior seat at the table. Our role is based in London.
last updated 38 week of 2026