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Haystack

Java Developer

North America

September 27, 2026 at 6:48 AM

✨ AI summary

Location

  • Denver, CO, USA

Languages

  • Java (Java 21)
  • JavaScript
  • HTML
  • CSS

Frameworks

  • Spring Boot
  • Spring Framework
  • Thymeleaf

Cloud Services

  • AWS ECS
  • AWS API Gateway
  • AWS DynamoDB

Databases

  • Amazon DynamoDB

Experience Level

  • Strong professional Java development experience
We are partnering with a dynamic and innovative technology firm that delivers cutting-edge software solutions to clients, enabling them to build robust and scalable applications. This company is known for its forward-thinking approach and commitment to leveraging modern development practices.

The Role

  • Design, develop, test, and maintain Java-based applications using Java SDK 21.
  • Build and enhance applications using Spring Boot and the Spring Framework.
  • Develop and maintain REST APIs and JSON-based integrations.
  • Support web applications using Thymeleaf, HTML, CSS, and JavaScript.
  • Work with AWS services including ECS, API Gateway, and DynamoDB.
  • Participate in application architecture, implementation decisions, code reviews, and deployment practices.

What You'll Need

  • Strong professional experience developing applications with Java (Java 21 or recent versions).
  • Solid experience with Spring Boot and Spring-based application development.
  • Experience designing, building, and consuming REST APIs with strong knowledge of JSON.
  • Familiarity with HTML, CSS, and JavaScript.
  • Experience with Git-based source control and CI/CD pipelines (preferably GitLab CI/CD).
  • Practical experience developing, deploying, or supporting applications in AWS.

What's On Offer

  • Opportunity to work on challenging projects with modern tech stack.
  • Collaborative and dynamic work environment.
  • Focus on sound software engineering practices.
  • Potential to leverage AI-assisted coding tools for productivity.

Apply via Haystack today!