Staff Backend Engineer — Node.js · TypeScript · Kotlin · AWS
15+ years designing and operating distributed backend systems across gaming, messaging, real estate, and SaaS. Currently building backend architecture and infrastructure at Seeds (HR SaaS).
| Company | Domain | Scale / Signal |
|---|---|---|
| Seeds | HR SaaS | End-to-end backend architecture, AWS infra, CI/CD |
| MediaLab / Kik | Messaging | Distributed microservices on Kubernetes (Java, Go) |
| Santillana / Uanz | EdTech (part-time) | Sole backend engineer for a B2C educational platform; Kotlin, Spring Boot, AWS |
| Keyway | US Real Estate | Kotlin services on AWS; led Firebase → Auth0 migration |
| YOPDev | Product startup | Serverless migration (Lambda + DynamoDB), GraphQL BFF, Hexagonal Architecture |
| Medallia | Enterprise SaaS | Java/Scala (Akka) pipelines for social data ingestion |
| Etermax | Mobile gaming | Trivia Crack — 2M+ DAU, real-time WebSocket multiplayer |
Primary: Node.js · TypeScript · NestJS · Kotlin · Spring Boot Cloud & Infra: AWS (ECS, Lambda, Elastic Beanstalk) · Terraform · Kubernetes Data: PostgreSQL · Redis · DynamoDB · Couchbase · Elasticsearch Other: Go · Java · Scala · GraphQL · REST · WebSockets
- LinkedIn: juan-manuel-jaime
- Email: jmj155@gmail.com



