Senior Frontend Developer
- Category: IT Engineer & Developer Jobs
- Location: Ashburn, Virginia
- Job Type: Full Time / Part Time
- Salary: Estimated: $ 23K to 29K
- Published on: 2025/09/21
Job highlights
Identified by Google from the original job post
Qualifications
We are seeking a Senior UI Front End Developer with Spring Boot and Microservices experience for a multi-year contract to support our federal customer
Qualified 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
Recent 5 years' experience developing front end application in frontend Angular (primary v10 or above)
Advance level experience in UI performance tuning and Component/Layout design
Proven record of understanding HTML5, CSS3(flexbox, flexgrid), SASS and theme development
2 years' experience in state management (NgRx)
Experience in developing reusable components and libraries (building NPM packages)
Excellent problem solving and critical thinking skills
Advance level experience with unit testing
Experience working with microservices design and implement design patterns
Experience in micro front end development
Experience in Service Side Rendering and Service Worker
Experience in database programing (SQL, transaction management and query optimization)
Familiarity with backend development Spring Boot restful services and microservice (Spring cloud)
Familiar with automation testing tools Cypress, Selenium, JMeter
Team leadership skills, including task planning, assignment, and management
Must have strong HTML5, CSS, and CSS framework 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
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
This federal program requires the candidates to be a United States Citizen
Must have a current CBP BI clearance or be eligible to obtain one
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
Mainly sedentary; in an office environment
May be required to lift up to ten (10) pounds
Flexible in working extended hours
Responsibilities
The 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
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 solutions through demonstrations
Present the solution at formal and informal design reviews, and document the design according to the Government's system lifecycle methodology
Travel to customer site in Ashburn, VA as needed for meetings
Unissant management reserves the right to modify, add, or remove duties and to assign other duties as necessary
Job 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 www.unissant.com.
We are seeking a Senior UI Front End Developer to join our team in Ashburn, Virginia.
We are seeking a Senior UI Front End Developer with Spring Boot and Microservices experience for a multi-year contract to support our federal customer.
The 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.
Qualified 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.
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 solutions 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:
Must have:
• Recent 5 years' experience developing front end application in frontend Angular (primary v10 or above).
• Advance level experience in UI performance tuning and Component/Layout design.
• Proven record of understanding HTML5, CSS3(flexbox, flexgrid), SASS and theme development
• 2 years' experience in state management (NgRx)
• Experience in developing reusable components and libraries (building NPM packages)
• Excellent problem solving and critical thinking skills
• Advance level experience with unit testing
• Experience working with microservices design and implement design patterns
Nice to have:
• Experience in micro front end development
• Experience in Service Side Rendering and Service Worker
• Experience in database programing (SQL, transaction management and query optimization)
• Familiarity with backend development Spring Boot restful services and microservice (Spring cloud)
• Familiar with automation testing tools Cypress, Selenium, JMeter
Job Skills:
• Team leadership skills, including task planning, assignment, and management.
• Must have strong HTML5, CSS, and CSS framework 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.
Education:
• 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
• Must have a current CBP BI clearance 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:
• Travel to customer site in Ashburn, VA as needed for meetings.
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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