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Full Stack Java/ JEE Engineer

Company:
Unissant
Location:
Ashburn, VA, 20147
Posted:
September 30, 2025
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Description:

Unissant, Inc.

delivers innovative capabilities to the agencies that keep our nation healthy and safe.

We apply our domain expertise, data acumen, and technology know-how to achieve breakthrough results for our clients.

Working collaboratively, we advance missions and careers through a focus on honesty, integrity, and dependability.

We continuously look for talent, excited to join that effort.

To learn more about our exciting organization, please visit us at Unissant is seeking a Full Stack JAVA/JEE Engineer to join our team and support our federal customer in Ashburn, Virginia.

This is a highly technical position; individuals will be screened by peers in a technical review of skills and experience.

Essential Duties and Responsibilities: * Design and implement JEE software applications.

* Use modern software engineering tools and methodologies including Eclipse, and Atlassian Products (Jira, Confluence). * Work with users in an Agile development approach to understand requirements, then elicit feedback and refine solution through demonstrations * Present the solution at formal and informal design reviews, and document the design according to the Government's system lifecycle methodology Work Experience: * 3+ years of strong Java J2EE/JEE design and software development experience including designing, programming, and documenting large-scale software systems * Demonstrated experience with Java, Java Frameworks (Spring, JMS), Object-Oriented Design and Development principles; and Java Application Servers such as WebLogic or Apache Tomcat; and relational databases such as Oracle or DB2 * Experience in Application development using Spring Boot framework * Knowledge of design patterns (GoF, J2EE) * Experience in software engineering practices (e.g., reading/generating software specs, design patterns, continuous integration) * Service Oriented Architecture design and development experience a plus * Demonstrated experience in drafting documentation including functional and system requirements, configuration management plans, disaster recovery plans, user guides, System Security Plans, production data waivers.

* Experience with developing and using scripting (SQL, Java, Unix/Linux) to automate processes.

* Experience with Enterprise Search Technologies (Solr, Elasticsearch, Lucene, or others) * Experience with Java applications development using XA transactions and Spring Boot framework * Experience deploying and managing applications in a Docker environment a plus * First-hand experience working with large project teams (working with the Federal Government is a strong plus) Job Skills: * Demonstrated ability to think critically and creatively to develop innovative solutions to software problems.

* Ability to develop and maintain components with stringent performance requirements.

* Demonstrated experience working effectively across internal and external organizations.

* Agile development experience a plus.

Education: * Bachelor's Degree is required.

A Bachelor's Degree in Computer Science, Software Engineering, Information Technology, or related field with applicable experience is required.

Applicable work experience may be considered in lieu of a degree.

Certificates, Licenses and Registrations: * This federal program requires the candidates to be a United States Citizen * Clearance - Must have a current CBP Background Investigation or be eligible to obtain one.

Communication Skills: * Solid ability to interface, inspire and motivate at various levels of the organization.

* Ability to convey technical information to non-technical individuals.

* Demonstrated experience communicating effectively across internal and external organizations.

* Must work well in a matrixed team environment.

Travel: * This is an on-site position in Ashburn, VA Environmental Requirements: * Mainly sedentary; in an office environment * May be required to lift up to ten (10) pounds * Flexible in working extended hours The above statements are intended to describe the general nature and level of work being performed by the individual(s) assigned to this position.

They are not intended to be an exhaustive list of all duties, responsibilities, and skills required.

Unissant management reserves the right to modify, add, or remove duties and to assign other duties as necessary.

In addition, where applicable and available, reasonable accommodation(s) may be made to enable individuals with disabilities to perform essential functions of this position.

Please note: Candidate(s) will be required to go through pre-employment screening.

Unissant, Inc.

is a proud Equal Opportunity Employer!

(EOE; M/F/Disability/Vets)

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