120309 - Backend Software Engineer, Java/Kotlin

We are hiring a Backend Software Engineer to build and maintain scalable backend services supporting high-volume product experiences.This is a hands-on contract role for an engineer who can work with general independence, make day-to-day technical decisions, and collaborate with product, design, platform, and engineering teams to deliver reliable backend functionality.Enterprise experience strongly preferred.
**Key Responsibilities**- Design, build, and maintain backend services using Java and/or Kotlin, Spring Boot, and Spring Batch or equivalent JVM batch frameworks.
- Develop and evolve REST and GraphQL APIs serving internal services and consumer-facing products.
- Build and tune batch processing pipelines for data-intensive workflows, including ingestion, enrichment, and scheduled jobs.
- Analyze tradeoffs across performance, maintainability, reliability, and delivery speed.
- Participate in code reviews, on-call rotations, incident response, observability, a...