About the roleConcept 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 doThe 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.
