Demo

Senior Software Engineer, Java

Eliassen Group
Englewood, CO Contractor
POSTED ON 7/18/2026
AVAILABLE BEFORE 9/17/2026
Description

Hybrid 4 days onsite, 1 remote. in Englewood, CO

Our client seeks a senior Software Engineer to design, build, and maintain Java and Spring-based microservices supporting cloud platforms for CPE devices. The role focuses on RESTful APIs, event-driven services, and containerized deployments with Kubernetes. The engineer will also mentor peers, drive best practices in testing, observability, and security, and collaborate with architecture to deliver scalable services.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $55.00 to $65.00/hr. w2

Responsibilities

  • Design, develop, and maintain cloud microservices using Java and Spring.
  • Build and evolve RESTful APIs and message-driven processes.
  • Collaborate with technical leads and architecture to define solutions.
  • Triage and troubleshoot defects across environments.
  • Operate and enhance CI/CD pipelines and support lower environment deployments.
  • Advocate and implement best practices in testing, observability, and security.
  • Mentor junior and mid-level developers through code reviews and small team projects.

Experience Requirements

  • 4-10 years of relevant software engineering experience.
  • Expertise with modern Java and the Spring Framework.
  • Hands-on experience with containerized deployments such as Docker and Kubernetes.
  • Proficiency designing and building RESTful APIs and event-driven services.
  • Solid understanding of serialization, concurrency and asynchronous programming, OO principles, dependency injection, coupling, and cohesion.
  • Working knowledge of Java 17 .
  • Experience with Spring Boot, Spring Data, Spring Web, and Spring Cloud.
  • Experience with NoSQL databases such as MongoDB or DocumentDB.
  • Experience with Kafka or similar message frameworks such as RabbitMQ or Spark.
  • Experience with CI/CD pipelines such as GitLab, Jenkins, or Harness.
  • Written and verbal communication skills.
  • Experience with AWS services such as Lambda, DynamoDB, S3, or CloudFormation (preferred).
  • Familiarity with infrastructure-as-code tools such as Terraform or CDK (preferred).
  • Experience working in an Agile development environment (preferred).
  • Documentation and technical writing skills (preferred).
  • Familiarity with logging and monitoring services such as Splunk or Datadog (preferred).

Education Requirements

Salary : $55 - $65

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