Job Title: Sr. Scala Developer Duration: 6+ Months Contract Location: Denver CO/Onsite from Day-1 Job Description: • Design and develop RESTful and GraphQL APIs using Java and Scala with 12+ Years experience in Backend Development. • Build event-driven services and microservices that produce and consume messages via Apache Kafka • Implement backend systems using frameworks like Spring Boot, Akka HTTP, or Play • Ensure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retries • Collaborate with frontend and platform teams to define clear API contracts and integration patterns • Contribute to code quality, testing, and CI/CD automation • Monitor, troubleshoot, and optimize performance of services and API endpoints • Strong programming experience with Scala (Akka, Play, or Cats/Scalaz) and Java (8+) • Hands-on experience with Apache Kafka (producer/consumer APIs, Avro/Protobuf, topic design) • Experience building and consuming RESTful APIs and optionally GraphQL APIs • Knowledge of functional programming and reactive patterns • Familiarity with Spring Boot, asynchronous programming, and dependency injection • Strong unit and integration testing practices • Comfortable with Git, CI/CD pipelines, and API security (OAuth2, JWT) Nice to Have • Kafka Streams or Akka Streams experience • Exposure to Kafka Connect, Schema Registry, and message validation patterns • Knowledge of Docker, Kubernetes, and cloud-native app development • Familiarity with API gateways (e.g., Kong, Apigee) or service mesh (e.g., Istio)