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# Senior Software Engineer, Java

- **Company:** Eliassen Group
- **Location:** Littleton, CO, United States
- **Experience:** Expert
- **Salary:** $114,400.0 - $135,200.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Amazon S3, Code Review, Serialization, Dependency Injection, Amazon DynamoDB, Spring Framework, MongoDB, NoSQL, RabbitMQ, Software Engineering, Datadog, Data Logging, Spring Cloud, Spring-mvc, Concurrency, Apache Spark, Spring-boot, Gitlab, Cloudformation, Spring Data, Containerization, Kubernetes, Infrastructure Automation Frameworks, Apache Kafka, Asynchronous Programming, Functional Programming, Restful APIs, Terraform, Splunk, Docker, Jenkins, Microservices
- **Published:** October 2, 2026
- **Apply:** https://www.disabledperson.com/jobs/75665523-senior-software-engineer-java

## About the Role

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., * 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).

## Description

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., * 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.