Design, build, and maintain scalable microservices supporting core application domains including events, calendars, synchronisation, audit logging, and chat orchestration
Define and maintain versioned, mobile-first API contracts that support idempotent writes, delta synchronisation, and offline-friendly workflows
Lead backend integration efforts during the migration from a web portal to a native mobile application, ensuring smooth client transitions and backward compatibility
Implement authentication and authorisation middleware, including Okta token validation, OAuth2/OIDC flows, JWT handling, and role-based access controls
Build reliable synchronisation and audit pipelines with strong traceability, retry mechanisms, and error handling
Support high service reliability through monitoring, structured logging, alerting, and incident response
Own CI/CD pipelines and deployment automation to enable safe, repeatable, and observable releases
Collaborate with frontend and mobile teams to align API design with real-world client needs and performance considerations

Strong backend development experience using Node.js and TypeScript
Experience with backend frameworks such as NestJS and/or Express
Solid understanding of RESTful API design, OpenAPI specifications, and versioning strategies
Experience with security and identity patterns including OAuth2, OpenID Connect, JWT, and Okta integrations
Hands-on experience with data stores such as PostgreSQL and DynamoDB (or equivalent technologies)
Experience working in cloud environments, particularly AWS (API Gateway, ECS and/or Lambda, CloudWatch)
Familiarity with CI/CD pipelines, infrastructure-aware service design, and observability best practices

Backend Integration Engineer

Key skills