CareerPlan

C# Developer

London, England, GBFull-time2026-11-04 → 2026-11-10

Core

Designing and building core backend services and secure APIs for a financial services platform.

Role type

Senior C# Backend Engineer

Builds

Secure, structured backend systems and APIs for financial services clients

Domain

Financial Services / Enterprise Software

Required skills

C#, .NET, API design, OAuth/OIDC/RBAC, secure coding, unit testing, code reviews

Preferred skills

Agile methodology, full-stack collaboration, technical documentation

Technologies

C#, .NET, OAuth, OIDC, RBAC

Responsibilities

Design and maintain backend services; Implement secure APIs; Work with auth/authorization frameworks; Collaborate on clean interfaces; Participate in code reviews and testing

Seniority

Senior, hands-on IC