Senior Software Engineer (Backend) - Identity andamp; AuthenticationAWS. TypeScript. Node.js (NestJS). REST APIs. Auth0. Transmit Security. GitHub. CloudFormationContract - 12 months, upto £650/day inside IR35.*Hybrid - 3 days office (either London or Manchester office)Leading financial services client is seeking a Senior Software Engineer and help shape their cybersecurity in a fast-paced, global environment. Key Responsibilities:Design and maintain RESTful APIs and microservices using Node.js and NestJS.Build and automate AWS infrastructure with Terraform or CloudFormation.Develop and enhance CI/CD pipelines for microservice deployments.Embed DevSecOps best practices across IAM, networking and compliance.Collaborate with Agile teams to deliver high-quality, secure software at scale.Key Skills:Strong Node.js/NestJS and REST API development experience.Skilled in AWS Build and evolve Back End services that support login, MFA, and client authenticationProficient with IaC, CI/CD (CloudFormation, Terraform)Cloud security principles, including IAM, networking, and encryptionIf this is of interest and you have the required skill, please submit your CV over for immediate consideration.McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.