Full Stack Developer in London

We’re keen to speak to contractors who are available at short notice to join a financial services client in the City of London and work on a project to that will focus on enhancing and supporting existing platforms while contributing to automation, microservices, and greenfield initiatives in a fast-paced, business-facing environment. Please note this role is outside IR35 and requires 3 days a week onsite. Key Responsibilities * Enhance, automate, and support existing applications and processes * Design, develop, test, and deploy system enhancements using CI/CD pipelines * Build and release microservices in a time-critical environment * Set up and automate server and application deployments * Translate user stories into technical solutions; estimate and participate in Scrum ceremonies * Write integration tests as part of the development lifecycle * Produce rapid UI proofs of concept using wireframing tools * Provide production support when required * Collaborate closely with developers, stakeholders, and the wider technology team Required Technical Skills * C#, .NET 8, Python * ASP.NET UI development (extensive hands-on experience) * RESTful APIs, Web API, microservices architecture * RabbitMQ or similar messaging technologies * Redis caching * Azure DevOps (CI/CD, Octopus, Jenkins pipelines); experience setting up DevOps tooling and integrating with tools such as Monday . com or Confluence * Relational databases: SQL Server, AWS RDS * NoSQL databases: MongoDB or similar * Cloud platforms: Azure and/or AWS, including authentication mechanisms * Dapr (cloud-native frameworks) * Docker, Kubernetes (containerisation) Nice to Have * FIX protocol experience * Knowledge of financial asset classes (FX Options, Forwards, etc.)