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Senior Java Developer

Haystack

3.7
268 reviews
Haystack
Job Type   /   Job Level
Full-time   /   Senior Executive
Job Location
Denver, CO
Salary Range
USD 9,000 - USD 13,000 (Monthly)
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We are working with a leading technology consulting firm that partners with diverse industries to deliver innovative software solutions and drive digital transformation.

The Role

  • Design, develop, test, and maintain Java-based applications using Java SDK 21 and Spring Boot.
  • Build and enhance applications, including developing and maintaining REST APIs and JSON-based integrations.
  • Support smaller web applications using front-end technologies like Thymeleaf, HTML, CSS, and JavaScript.
  • Work with AWS-based infrastructure and services (ECS, API Gateway, DynamoDB) and contribute to infrastructure-as-code efforts with Terraform.
  • Contribute to source control and development workflows using GitLab, including building and troubleshooting GitLab CI/CD pipelines.
  • Collaborate with team members on application architecture, code reviews, and deployment practices, applying sound software engineering principles.

What You'll Need

  • Strong professional experience developing applications with Java, specifically Java 21 or recent SDK versions.
  • Solid experience with Spring Boot and Spring-based application development.
  • Proven ability to design, build, and consume REST APIs with strong working knowledge of JSON and API integration patterns.
  • Familiarity with front-end technologies such as HTML, CSS, and JavaScript.
  • Experience with Git-based source control (preferably GitLab) and CI/CD pipelines.
  • Practical experience developing, deploying, or supporting applications in AWS.
  • Ability to work independently, be hands-on, pragmatic, and collaborate effectively with technical and business stakeholders.

What's On Offer

  • Opportunity to work with modern technologies including Java 21, Spring Boot, AWS, Terraform, and GitLab CI/CD.
  • A collaborative environment focused on sound software engineering practices and continuous improvement.
  • The chance to contribute to significant projects for various clients in a hybrid work setting.

Apply via Haystack today!

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