Sr. Scala Developer

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)