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Java Developer

Company:
Marathon TS
Location:
Ashburn, VA
Posted:
November 22, 2025
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Description:

Java Developer

Ashburn VA (Hybrid)

Job Summary

We are seeking a mid-level Java Developer to join a contract with a federal government client in support of an important mission. In this role, you will have the opportunity to work with a great team while supporting Customs and Border Protection.

Responsibilities

Designs, develops, enhances, debugs, and implements software. Troubleshoots production problems related to software applications.

s part of an agile team, researches, tests, builds, and coordinates the conversion and/or integration of new products based on client requirements.

s part of an agile team, designs and develops new software products or major enhancements to existing software.

ddresses problems of systems integration, compatibility, and multiple platforms.

ssists in the evaluation and recommendation of application software packages, application integration and testing tools.

Resolves problems with software and responds to suggestions for improvements and enhancements.

Providing software development services and experience to implement new initiatives

Providing implementation and technical support services.

Providing technical support to respond to technical issues, research and resolve problems and other non-programming technical services.

Estimating the Level of Effort (LOE) and difficulty of programming assignments. Education and Experience

Bachelor's degree plus at least 5 years of work experience or equivalent combination of education and experience. The work experience should be supporting Java applications and associated frameworks such as Spring

t least 2 years of development experience using Angular (Version 8 and higher)

2 years of experience working in an Agile team development environment using Jira or a similar tool

1 year of experience working in an automated development environment, using CI/CD tools such as Git, Bamboo, Jenkins, SonarQube Required Skills

Experience developing against relational databases (e.g., Oracle, PostgreSQL)

Experience developing against relational databases and solid SQL querying skills

1+ years experience with web services development

1+ years experience writing automated unit tests

Good communication skills, both written and verbal

Team player and ability to mentor developers with lesser experience Desired Skills

Experience developing in and deploying to a Cloud environment (such as Amazon Web Services)

Experience with Ruby on Rails

Experience with Docker, Kubernetes or similar tools

Experience with JMS (e.g., IBM MQ, ActiveMQ) Security Clearance

Eligible to obtain a clearance.

#cjjobs

Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status ").

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