4 of 4 Permanent OAuth2 Jobs in the City of London

Senior Full Stack Web Engineer - Trading

Hiring Organisation
Keyrock
Location
City Of London, England, United Kingdom
intensive, governance-driven, or fintech/crypto applications, and curiosity for Rust or distributed systems. Awareness of secure coding practices, authentication/authorisation models (OAuth2, OpenID Connect). Knowledge of data visualisation libraries (D3.js, Recharts, or similar). Familiarity with observability stacks (Grafana, Prometheus, Loki, Faro, or Datadog) and comfort ...

Senior Backend Engineer (Telco Integration Lead) Golang

Hiring Organisation
Ventula Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). ? Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs). ? Knowledge of (or deep, demonstrable curiosity about) telecommunications protocols and architectures. You must be comfortable talking to network engineers. ? Experience with ...

Senior Full Stack Engineer Typescript, C#, AWS, IAM, Security

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
andtenantisolationatscale,leveragingAWSservices(Lambda,IAM,CloudFront,APIGateway,CDK) CollaborateacrossProduct,Security,andEngineeringteams,embedidentityintonewfeatures,andupholdengineeringexcellencethroughCI/CD,testing,andincidentresponse Requiredexperience: Strongfull-stackdevelopmentskills(TypeScript,C#,AWS) Anin-depthsecuritymindsetwithanunderstandingofZeroTrust&OAuth2 ProvenexperiencewithOIDC-compliantIDPs(Auth0,Okta,Cognito) SolidAWSexpertise(IAM,Lambda,APIGateway,CDK) AprovenbackgroundinbuildingRESTfulAPIsthatinteractwithIDPs Security-firstmindsetwithexperienceinsecurecoding,threatmodelling,andprotectingPII Abilitytomentor,collaborate,andleadwithhands-onproblem-solving £85k-£90k+bonus+benefits.95%remote&London ...

Principal Full Stack Engineer React, C#, AWS

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
/CD (GitHub Actions) and Infrastructure as Code (Terraform, CloudFormation, AWS CDK). Model secure-by-design principles; ensure robust authentication/authorisation (OAuth2, JWT) and data governance. Mentor engineers, set patterns, run PoCs, and unblock complex problems across squads. Champion Always ship each cycle; partner with Product to balance … + TypeScript expertise. Proven experience designing event-driven, microservices architectures on AWS with secure, scalable patterns. Deep knowledge of API design, integration, and auth (OAuth2, JWT), with end-to-end performance focus. Strong database fundamentals with MySQL/Aurora: schema design, query optimisation, and performance engineering. Hands-on leader: comfortable ...