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Senior UI Front End Developer

Company:
Unissant
Location:
Ashburn, VA
Posted:
June 23, 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 are seeking a Senior UI Front End Developer to join our team in Ashburn, Virginia.nWe are seeking a Senior UI Front End Developer with Spring Boot and Microservices experience for a multi-year contract to support our federal customer.nThe Senior UI Front-End Developer will actively engage in team building single page applications using modern JavaScript framework and libraries.

The candidate will apply front end development experience to build reusable components and libraries.

The candidate will work in an agile team and deploy applications in cloud using DevOps tools.

The position will be involved in the full cycle of application development from designing, coding, testing, deploying, and monitoring.nQualified applicants may be subject to a security investigation and must meet minimum qualifications for access to classified information.

This is a highly technical position; individuals will be screened by peers in a technical review of skills and experience.nEssential Duties and Responsibilities:nnDesign and implement JEE software applications.nUse modern software engineering tools and methodologies, including Eclipse, and Atlassian Products (Jira, Confluence)nWork with users in an Agile development approach to understand requirements, then elicit feedback and refine solutions through demonstrationsnnWork Experience:nRequired: nnRecent 5 years' experience developing front end applications using Angular (Preferred in Angular version 12 or above).nAdvance level experience in UI performance tuning and Component/Layout design.nProven record of understanding HTML5, CSS3(flexbox, flexgrid), SASS, JSON and theme developmentn2 years' experience in state management (NgRx)nExperience in developing reusable components and libraries (building NPM packages)nExperience working with microservices design patterns.nExperience in working with Git operations such as branching and merging.nnPreferred: nnExperience in querying using SQL.nExperience in developing unit testing using frameworks such as Jest, ng-mocks.nnnFamiliarity with backend development Spring Boot restful services and microservice (Spring cloud)nFamiliar with automation testing tools Cypress, Selenium, JMeternnJob Skills:nnTeam leadership skills, including task planning, assignment, and management.nMust have strong HTML5, JSON, CSS, and CSS framework skills.nDemonstrated ability to think critically and creatively to develop innovative solutions to software problems.nExcellent problem solving and critical thinking skills.nAbility to develop and maintain components with stringent performance requirements.nnEducation:nnBachelor'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.nnCertificates, Licenses, and Registrations:nnThis federal program requires the candidates to be a United States CitizennMust have a current CBP BI clearance or be eligible to obtain one.nnCommunication Skills:nnSolid ability to interface, inspire and motivate at various levels of the organization.nAbility to convey technical information to non-technical individuals.nDemonstrated experience communicating effectively across internal and external organizations.nMust work well in a matrixed team environment.nnWork Location:nnOnsite in Ashburn, VA two days per week.nnEnvironmental Requirements:nnMainly sedentary; in an office environmentnMay be required to lift up to ten (10) poundsnFlexible in working extended hours.nnThe 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.nPlease note: Candidate(s) will be required to go through pre-employment screening.nUnissant, Inc.

is a proud Equal Opportunity Employer!

(EOE; M/F/Disability/Vets)nn

Full Time

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