Full Stack Developer –

Full Stack Developer – Hybrid - Malvern, PA – Role OverviewWe are seeking a Senior Full Stack Developer (Backend-Focused) to support a growing omnichannel, serverless platform that delivers scalable APIs and backend services for mobile (iOS/Android) and web experiences. This role is backend-heavy (approximately 70%), focused on Node.js, TypeScript, NestJS, GraphQL (Apollo Federation / Supergraph), AWS, and API platform engineering, with 30% frontend exposure to support BFF (Backend-for-Frontend) patterns and client integration needs. The ideal candidate is a senior-level engineer who is comfortable owning backend services end-to-end, collaborating closely with mobile teams, and operating within a modern, cloud-native, highly observable ecosystem.Key Responsibilities· 8+ years of IT experience working as a full stack developer · Design, build, and maintain backend services and APIs using Node.js, TypeScript, and NestJS · Implement and evolve GraphQL APIs using Apollo Federation / Supergraph, while exposing REST endpoints where required · Develop serverless applications on AWS, leveraging event-driven and API-driven architectures · Define and manage GraphQL schemas, API contracts, and versioning strategies · Integrate authentication and authorization using Okta, Auth0, JWT flows, and enterprise security standards · Configure and manage Kong API Gateway, including routing, plugins, security, and traffic management · Implement caching strategies to improve performance and scalability · Ensure strong observability and monitoring using Splunk, Honeycomb, and OpenTelemetry · Collaborate with frontend teams to support UI integration (React / Angular exposure preferred) · Contribute to CI/CD pipelines, with GitHub tightly integrated into AWS deployments · Participate in code reviews, design discussions, and production support · Support future AEM integrations and migrations as part of later program phasesRequired Technical SkillsBackend & API Development· Node.js, TypeScript · NestJS · GraphQL (Apollo Federation, Supergraph, schema design) · REST API design and Swagger/OpenAPI · Serverless architecture on AWSSecurity & Identity· Okta, Auth0 · JWT authentication flows · Enterprise API security best practicesPlatform & Observability· Kong API Gateway (plugins, routing, policies) · Splunk, Honeycomb · OpenTelemetry · Caching strategies (in-memory, distributed)Preferred Skills· Java / Spring Boot · Angular or React · AEM (preferred; part of later migration phases)