Senior Java Developer (Contract) - Spring, AWS & CI/CD

JPS Tech Solutions; Colorado; On-site; USD 83,000 - 152,000; Full time

Job summary

JPS Tech Solutions is seeking an experienced Java Developer Contractor to design, develop, and maintain web applications, backend services, and cloud-based solutions. The role focuses on Java/Spring ecosystem, REST APIs, and AWS integration, with emphasis on CI/CD workflows.

The candidate should be hands-on, work independently, and collaborate with technical and business stakeholders to deliver high-quality software.

Qualifications

• Strong professional experience developing Java applications.
• Experience with Java 21 or newer.
• Solid Spring Boot and REST API development skills.
• Familiarity with AWS services and DynamoDB.
• Experience with GitLab CI/CD pipelines.

Responsibilities

• Design, develop, test, and maintain Java-based applications using Java SDK 21.
• Build and enhance apps with Spring Boot and Spring Framework.
• Develop and maintain REST APIs and JSON integrations.
• Support web apps with Thymeleaf, HTML, CSS, and JavaScript.
• Work with AWS infrastructure (ECS, API Gateway, DynamoDB).
• Contribute to GitLab-based source control and CI/CD pipelines.
• Collaborate on architecture, reviews, and deployment practices.
• Support infrastructure-as-code efforts with Terraform.

Tools

Java

Java 21

Spring Boot

REST APIs

JSON

HTML

CSS

JavaScript

AWS

DynamoDB

ECS

API Gateway

Terraform

GitLab

GitLab CI/CD

Terraform

IntelliJ IDEA

Claude Code

Job description

JPS Tech Solutions is seeking an experienced Java Developer Contractor to design, develop, and maintain web applications, backend services, and cloud-based solutions. The role focuses on Java/Spring ecosystem, REST APIs, and AWS integration, with emphasis on CI/CD workflows.

The candidate should be hands-on, work independently, and collaborate with technical and business stakeholders to deliver high-quality software.