Mid-Level Java Web Developer

Concept Plus, LLC

109d

About The Position

Concept Plus is seeking a skilled Mid-Level Java Developer to design, develop, and maintain a robust and secure Java-based web application using Spring Boot, Hibernate, Thymeleaf, and Tapestry. This role requires expertise in object-oriented programming and building RESTful APIs, while contributing to all phases of the development lifecycle in an agile environment. If you are a collaborative team player with a passion for clean code and innovative solutions, we encourage you to apply and contribute to our dynamic engineering team.

Requirements

• US Citizen.
• Bachelor's degree in Computer Science or a related field preferred, or equivalent experience.
• 5+ years of experience in Java web application development.
• Experience with using SpringBoot for web applications and RESTful APIs (design and development).
• Familiarity with Spring Security and its use in securing web applications.
• Experience with using Hibernate for object-relational mapping.
• Experience with using Apache Tapestry and/or Thymeleaf for web templating.
• Experience with using Maven for building and dependency management.
• Experience with developing unit tests with Junit and Mockito.
• Strong understanding of object-oriented programming principles, design patterns and best practices.
• Experience with relational databases (e.g., Oracle, MySQL, PostgreSQL, SQL Server).
• Experience with using Git for source control (Bitbucket, Gitlab, GitHub).
• Excellent problem-solving and communication skills.
• Ability to work independently and as part of a team.
• Ability to convey complex technical concepts to non-technical stakeholders.

Nice To Haves

• Prior DoD development experience, including implementing DoD Security Technical Implementation Guides (STIGs) and adhering to applicable NIST standards.
• Experience integrating SpringBoot application with Okta or other Identity Provider using OIDC/SAML.
• Experience using static code analysis tools (e.g., Checkmarx, SonarQube, Fortify) to identify and remediate security vulnerabilities.
• Preferred experience developing JavaScript-based Single Page Applications (SPAs) using one or more of the following frameworks/libraries: React (with or without Redux/Context), Angular (Angular 2+ preferred), Vue.js.
• Experience with AWS cloud platforms, including services such as EC2, S3, RDS, Lambda, ECS/EKS, CloudFormation, and CloudWatch for deploying and managing Java web applications.
• Experience with containerization technologies (e.g., Docker, Kubernetes).
• Experience with CI/CD pipelines and related tools (e.g., Jenkins, GitLab, Ansible, Terraform, etc).
• Experience with developing automated testing using Selenium or Playwright.
• Experience working with Agile methodologies, Scrum, and Jira.
• Security+ Certification or IAT Level II.

Responsibilities

• Develop Java Web Applications using SpringBoot and Hibernate.
• Utilize object-oriented programming and RESTful APIs to contribute to all phases of the development lifecycle.
• Design, develop and maintain Java Web Applications.
• Assist in sustaining a Web/Oracle system architecture in AWS.

What This Job Offers

• Career Level: Mid Level
• Education Level: Bachelor's degree