AWS Developer

5+ years backend development Node.js + TypeScript (primary language) NestJS or comparable DI framework (Spring Boot transferable) REST API design with OpenAPI/Swagger AWS: Lambda, API Gateway, S3, ECS, Secrets Manager CloudFormation / infrastructure-as-code Jest unit testing, able to sustain a 100% coverage gate Git feature-branch + pull-request workflow with CI gates Preferred Authoring/versioning internal npm packages against a plugin interface Playwright E2E, Stryker mutation testing Feature flags (Gatekeeper or similar) OpenTelemetry / distributed tracing, Honeycomb, Splunk Fastify, Redis, JWT auth Brokerage domain: order routing, trade execution, cost basis Prior Client experience, Dexter tooling