Scala Developer

Scala Developer
Local to Denver only - 4-5 days a week at client site office

Scala-Scalantr, Akka, Play, or Cats/Scalaz
RESTful APIs-GraphQL APIs
Java-8+
Apache Kafka- or Skka Streams
Spring Boot
Git
CI/CD

Are you local to Denver, CO?
Are you able and willing to be at the client site office location 4-5 days a week?
Do you have design and develop RESTful APIs using Java and Scala using scalantra or any functional programming experience?
Have you built event-driven services and microservices that produce and consume messages via Apache Kafka?
Are you able to Implement backend systems using frameworks like Spring Boot, Akka or Play?
Do you have strong programming experience with Scala (Akka, Play, or Cats/Scalaz) and Java (8+)?
Do you have hands-on experience with Apache Kafka (producer/consumer APIs, Avro/Protobuf, topic design)?
Do you have strong unit and integration testing practices?
Are you comfortable with Git, CI/CD pipelines, and API security (OAuth2, JWT)
Do you have experience building and consuming GraphQL APIs?

Detail JD and expectation:


Design and develop RESTful APIs using Java and Scala using scalantra or any functional programming experience.
Build event-driven services and microservices that produce and consume messages via Apache Kafka.
Implement backend systems using frameworks like Spring Boot, Akka 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)