Senior UI/UX Developer (Full Scope Poly)
Read straight from Concept Plus's careers page, verified 3d ago.Seekless can tailor your résumé to it.
Seekless can write your résumé for this posting first.
Before you apply
LocationReston, VA
Work modeon-site
Typefull-time
SenioritySenior
Experience8+ yrs
DepartmentDefense/National Security Sector
Company size201–500 people
First seenOct 16, 2026 · 3w ago
Verified live3d ago
At a glanceSummarised by Seekless from the posting.
Must possess a TS/SCI security clearance with CI or Full Scope Polygraph
Minimum 8+ years of experience in UI/UX design, front-end development, product design, or related application development disciplines
Demonstrated ability to lead the design of intuitive, user-centered interfaces for enterprise or mission applications, from discovery through implementation
Required experience creating and presenting customer-facing wireframes, user flows, clickable prototypes, high-fidelity mockups, and design recommendations
Required proficiency developing production user interfaces with JavaScript, React, and Python
Strong experience building responsive, accessible, and maintainable web applications using modern HTML, CSS, JavaScript, React component libraries, and API-driven front-end patterns
Experience translating customer workflows, business requirements, and complex data into clear information architectures, interaction designs, dashboards, and visualizations
Experience conducting or supporting user research, usability testing, stakeholder interviews, and iterative design reviews
Experience integrating front-end applications with REST APIs, authentication and authorization services
Ability to document design rationale, usability findings, and implementation guidance; communicate technical concepts effectively to technical and non-technical audiences
Experience working in an Agile framework and participating in planning, backlog refinement, demos, and sprint reviews
8+ years of experience relevant to this position
Bachelor's Degree in engineering, computer science or related technical discipline
Strong experience with Oracle APEX, including designing and developing accessible, responsive Oracle APEX applications
Proficiency with design and prototyping tools such as Figma or comparable platforms
Experience designing data-rich applications, dashboards, reporting experiences, or financial and budget-traceability workflows
Experience with Oracle Cloud Infrastructure (OCI), cloud-native application services, containers, or Kubernetes
Experience incorporating secure UI patterns, privacy considerations, and DevSecOps practices into application delivery
Experience with automated front-end testing, design systems, component libraries, and CI/CD pipelines
US Citizen
Skills
JavaScript
React
Python
HTML
CSS
Oracle APEX
Figma
Kubernetes
REST APIs
CI/CD
Oracle Cloud Infrastructure
Benefits
Health insurance
Dental insurance
Vision insurance
Life insurance
Paid time off
Paid holidays
Performance bonus
Tuition reimbursement
Unlimited training
About the role
Concept Plus is seeking a highly experienced and motivated Senior UI/UX Developer for an exciting new contract. This role is fully onsite in Reston, VA (5 days per week required).
What you’ll do
The Senior UI/UX Developer will be part of a team of Application, Data, Cloud, and Security engineers delivering a cloud-native, centralized platform that provides end-to-end budget traceability. This role will own the user experience for Phoenix applications, turning mission workflows and data into intuitive, accessible interfaces and customer-ready mockups.
Required Qualifications
•
US Citizen
•
Must possess a TS/SCI security clearance with CI or Full Scope Polygraph.
•
Minimum 8+ years of experience in UI/UX design, front-end development, product design, or related application development disciplines.
•
Demonstrated ability to lead the design of intuitive, user-centered interfaces for enterprise or mission applications, from discovery through implementation.
•
Required experience creating and presenting customer-facing wireframes, user flows, clickable prototypes, high-fidelity mockups, and design recommendations to gather feedback and drive design decisions.
•
Required proficiency developing production user interfaces with JavaScript, React, and Python.
•
Strong experience building responsive, accessible, and maintainable web applications using modern HTML, CSS, JavaScript, React component libraries, and API-driven front-end patterns.
•
Experience translating customer workflows, business requirements, and complex data into clear information architectures, interaction designs, dashboards, and visualizations.
•
Experience conducting or supporting user research, usability testing, stakeholder interviews, and iterative design reviews.
•
Experience integrating front-end applications with REST APIs, authentication and authorization services.
•
Ability to document design rationale, usability findings, and implementation guidance; communicate technical concepts effectively to technical and non-technical audiences.
•
Experience working in an Agile framework and participating in planning, backlog refinement, demos, and sprint reviews.
•
8+ years of experience relevant to this position.
•
Bachelor’s Degree in engineering, computer science or related technical discipline. Master’s degree preferred.
Preferred Qualifications
•
Strong experience with Oracle APEX, including designing and developing accessible, responsive Oracle APEX applications.
•
Proficiency with design and prototyping tools such as Figma or comparable platforms.
•
Experience designing data-rich applications, dashboards, reporting experiences, or financial and budget-traceability workflows.
•
Experience with Oracle Cloud Infrastructure (OCI), cloud-native application services, containers, or Kubernetes.
•
Experience incorporating secure UI patterns, privacy considerations, and DevSecOps practices into application delivery.
•
Experience with automated front-end testing, design systems, component libraries, and CI/CD pipelines.
Concept Plus is an Equal Opportunity Employer. As such, we will give your application full consideration without regard to your race, color, religion, sex, age, national origin, disability, veteran status, sexual orientation, gender identity, or any other classification protected by federal, state, or local law.
About the company
About Concept Plus
Concept Plus is a mission-focused technology solutions provider that transforms IT concepts into impactful solutions for federal agencies. Headquartered in Fairfax, VA, we bring the agility, responsiveness, and customer intimacy of a small business combined with the quality and infrastructure of a larger firm.
Recognized as an award-winning Oracle partner, we have delivered innovative solutions across Defense, Intelligence, Civilian, Health IT, and Tribal sectors. Our highly certified experts build systems that drive efficiency, accelerate modernization, and ensure mission outcomes with certainty.
We offer competitive pay, comprehensive health, dental, and vision insurance, paid life insurance, paid time off, 11 paid holidays, performance bonuses, tuition reimbursement, unlimited training, and the opportunity to thrive in a collaborative, flexible, and innovative environment.
For more information, visit www.conceptplus.com.