Senior UI Developer

📍 Job Overview

Job Title: Senior UI Developer

Company: Nightwing

Location: Annapolis Junction, MD, United States

Job Type: Full time

Category: Software Development / Engineering

Date Posted: 2026-09-10

Experience Level: 5-10 years

Remote Status: On-site

🚀 Role Summary

• Develop and maintain sophisticated user interfaces for mission-critical applications, leveraging modern JavaScript frameworks and libraries.

• Design and implement robust backend services using Spring Boot to support dynamic front-end functionalities and ensure seamless integration.

• Optimize application performance, focusing on load times, rendering efficiency, and cross-device/browser compatibility for enhanced user experience.

• Collaborate closely with UX designers, software engineers, and mission stakeholders to translate complex requirements into intuitive and effective interfaces.

• Ensure adherence to stringent security standards and implement secure coding practices within classified environments.

📝 Enhancement Note: While the primary role is UI Development, the inclusion of Spring Boot for backend services and the emphasis on full-spectrum cyber, data operations, and intelligence support services suggest this role operates within a broader GTM (Go-to-Market) or product development context. The Senior UI Developer will likely contribute to the overall product strategy and user experience that drives adoption and success for Nightwing's advanced cyber solutions.

📈 Primary Responsibilities

• Design, develop, and implement modern, responsive, and high-performance user interfaces using JavaScript (ES6+) and leading frameworks like React, Angular, or Vue.js.

• Build scalable, RESTful backend services using Spring Boot to power dynamic front-end applications, ensuring efficient data exchange.

• Create and maintain reusable UI components and establish design patterns to ensure consistency and scalability across multiple applications and platforms.

• Optimize application performance, focusing on critical metrics such as load times, rendering efficiency, and responsive design across diverse devices and browsers.

• Collaborate effectively with UX designers, software engineers, and mission stakeholders to translate complex requirements into elegant, user-friendly, and functional interfaces.

• Implement secure coding practices and ensure applications meet stringent security standards, particularly within classified government environments.

• Integrate front-end components with Spring Boot microservices, leveraging RESTful APIs, WebSockets, and real-time data streaming for dynamic user experiences.

• Participate actively in code reviews, contribute to comprehensive technical documentation, and provide mentorship to junior developers.

• Adhere to agile development methodologies and configuration management standards, utilizing modern DevSecOps tools and workflows.

📝 Enhancement Note: The emphasis on Spring Boot for backend services, RESTful APIs, and microservices architecture indicates that this Senior UI Developer role requires a strong understanding of full-stack development principles, even if the primary focus is front-end. The responsibilities extend beyond pure UI design to include critical integration and backend support, making this role pivotal in the product development lifecycle.

🎓 Skills & Qualifications

Education: A STEM degree (Science, Technology, Engineering, Mathematics) or equivalent professional experience.

Experience: 5+ years of professional experience in UI/front-end development, with a proven track record of delivering high-quality user interfaces.

Required Skills:

• Expert-level proficiency in JavaScript (ES6+) and modern frameworks such as React, Angular, or Vue.js.

• Strong expertise in Spring Boot for building RESTful APIs and microservices architectures.

• Proven experience integrating front-end applications with Spring Boot backends.

• Strong understanding of responsive design principles and mobile-first development methodologies.

• Familiarity with build tools and bundlers (e.g., Webpack, Vite, npm/yarn).

• Proficient in version control using Git and experience with CI/CD pipelines.

• Excellent problem-solving skills with a keen attention to detail and a strong focus on user experience.

• Superior communication and teamwork skills, with a demonstrated passion for innovation and collaboration.

• Active TS/SCI security clearance with Polygraph.

• U.S. citizenship is required. Preferred Skills:

• Experience with TypeScript for enhanced type-safe JavaScript development.

• Familiarity with containerized environments like Docker and Kubernetes, and deploying Spring Boot applications in cloud-native architectures.

• Knowledge of Spring Security and OAuth 2.0 for implementing secure authentication and authorization mechanisms.

• Experience with real-time communication technologies such as WebSockets and Server-Sent Events.

• Familiarity with testing frameworks (e.g., Jest, Cypress, JUnit, Mockito).

• Previous experience developing applications in classified or secure government environments.

• Knowledge of the broader Java and Spring ecosystem beyond Spring Boot (e.g., Spring Cloud, Spring Data).

📝 Enhancement Note: The requirement for an active TS/SCI clearance with Polygraph significantly narrows the candidate pool and indicates the sensitive nature of the projects. The blend of advanced front-end frameworks and Spring Boot suggests a need for developers who can bridge the gap between user experience and backend service architecture, crucial for intelligence community applications.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase at least 2-3 significant UI development projects, ideally demonstrating experience with modern JavaScript frameworks (React, Angular, Vue.js) and responsive design.

• Include examples of integration with backend services, highlighting how front-end components consumed APIs (preferably RESTful).

• Provide clear documentation or explanations of the design patterns, workflow optimization, and user experience considerations implemented in each project.

• For projects involving sensitive environments, anonymize or describe security considerations and practices followed.

• Demonstrate proficiency in Git for version control and ideally touch upon CI/CD integration if applicable to the project. Process Documentation:

• Candidates should be prepared to discuss their process for translating UX wireframes and mockups into functional UI components, detailing the steps from concept to implementation.

• Describe methods used for optimizing front-end performance, including techniques for reducing load times, improving rendering speed, and ensuring cross-browser/device compatibility.

• Outline strategies for creating reusable UI components and establishing design systems to maintain consistency and efficiency across multiple applications.

• Be ready to articulate their approach to collaborating with backend developers and stakeholders to ensure seamless integration and effective data flow.

📝 Enhancement Note: For a Senior UI Developer role, a portfolio is critical. It should not only showcase technical skills but also the candidate's ability to think about user flows, performance optimization, and collaboration. Given the security requirements, any portfolio examples should subtly hint at an understanding of secure development practices.

💵 Compensation & Benefits

Salary Range: $99,000 - $206,000 USD per year. This range is provided by the employer and reflects the compensation commensurate with the selected candidate’s qualifications, years of relevant experience, and demonstrated level of expertise, ensuring alignment with skills, responsibilities, and market standards.

Benefits:

• Comprehensive medical insurance coverage.

• Vision insurance coverage.

• Dental insurance coverage.

• 401k retirement savings plan.

• Paid time off (PTO).

• Paid holidays.

• Additional insurances (specifics not detailed, but common for such roles).

Working Hours: Standard full-time hours, typically around 40 hours per week.

Note: While the role is on-site, specific daily schedules may offer some flexibility, common in agile development environments.

📝 Enhancement Note: The provided salary range is broad, reflecting the "Senior" level and the potential for deep expertise within specific technologies or security clearances. The benefits package is standard for a full-time role in the US, with a strong emphasis on health and retirement.

🎯 Team & Company Context

🏢 Company Culture

Industry: Cyber, Data Operations, Systems Integration, Intelligence Mission Support Services. Nightwing operates within the highly specialized and secure domain of national security and intelligence, providing advanced cyber solutions.

Company Size: Large enterprise; Nightwing is a significant player in its niche, suggesting a structured environment with ample resources and potential for complex projects.

Founded: Information not provided, but the company's focus on "disruptive technologies" and "agility" implies a forward-thinking culture that balances established practices with innovation.

Team Structure:

• The UI development team is likely part of a larger software engineering or product development group.

• This role involves close collaboration with UX designers, backend engineers (specifically Spring Boot developers), and potentially product managers or mission stakeholders.

• A reporting structure involving a Lead Developer, Engineering Manager, or Director of Engineering is probable. Methodology:

• Data Analysis & Insights: Emphasis on using data to drive UI design decisions, performance optimization, and user feedback integration.

• Workflow Planning & Optimization: Application of agile methodologies (Scrum/Kanban) for iterative development, sprint planning, and continuous improvement of development processes.

• Automation & Efficiency: Utilization of DevSecOps tools and CI/CD pipelines to streamline development, testing, and deployment, ensuring efficiency and security.

Company Website: https://www.nightwing.com/ (Assumed based on domain_derived)

📝 Enhancement Note: Nightwing's focus on intelligence and defense sectors implies a culture that values precision, security, discretion, and a strong sense of mission. The "disruptive technologies" aspect suggests an environment that encourages innovation within these strict parameters.

📈 Career & Growth Analysis

Operations Career Level: Senior Developer. This level signifies a high degree of technical expertise, the ability to work independently, mentor junior team members, and contribute to architectural decisions. The role requires leadership in UI development and integration with backend systems.

Reporting Structure: Typically reports to a Lead UI Developer, Engineering Manager, or Director of Engineering. Works collaboratively with cross-functional teams, including UX designers, backend developers, QA engineers, and potentially product owners or mission analysts.

Operations Impact: The Senior UI Developer's work directly impacts the usability and effectiveness of mission-critical applications. By creating intuitive interfaces for complex data and operations, they enable users (often in defense or intelligence roles) to perform their duties more efficiently and effectively, directly contributing to mission success and national security objectives.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific front-end frameworks (React, Angular, Vue.js), explore advanced JavaScript concepts, or specialize in areas like performance optimization, accessibility, or real-time data visualization.

• Full-Stack Development: Leverage Spring Boot experience to transition into full-stack engineering roles, taking ownership of both front-end and back-end development for specific features or applications.

• Leadership & Mentorship: Progress into Lead Developer roles, mentoring junior developers, leading code reviews, and influencing architectural decisions. Potential for management roles within engineering teams.

• DevSecOps & Cloud Native: Expand knowledge in containerization (Docker, Kubernetes), CI/CD, and cloud-native architectures to contribute to modern application deployment and management.

📝 Enhancement Note: The "Senior" title and the blend of front-end/back-end responsibilities suggest this role is a stepping stone to more specialized technical leadership or full-stack ownership within Nightwing's secure development environment. The impact on mission success provides a strong sense of purpose.

🌐 Work Environment

Office Type: On-site position located at 420 National Business Parkway, Suite 400, Annapolis Junction, MD. This suggests a professional office setting designed for focused work and collaboration within a secure facility.

Office Location(s): Annapolis Junction, Maryland, United States. This location is within a hub known for government contracting and defense-related technology companies, offering proximity to potential collaborators and clients.

Workspace Context:

• Collaborative Environment: The office is designed to foster teamwork, with spaces for design discussions, coding sessions, and cross-functional meetings.

• Operations Tools & Technology: Access to modern development workstations, high-speed networks, and potentially specialized secure development environments tailored for classified work.

• Team Interaction: Opportunities for regular interaction with a diverse team of engineers, designers, and potentially mission experts, facilitating knowledge sharing and problem-solving.

Work Schedule: Full-time, on-site. While specific hours may offer some flexibility, the on-site requirement is key. This setup is typical for roles requiring access to secure facilities and direct team collaboration on sensitive projects.

📝 Enhancement Note: The on-site requirement in Annapolis Junction, MD, is critical for candidates. This location is a significant center for government and intelligence work, implying that the work environment will be highly secure and professional, with a strong emphasis on collaboration and adherence to protocols.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or recruiter call to assess basic qualifications, security clearance status, and interest in the role and company.

• Technical Assessment (Phone/Video): Likely involves coding challenges or in-depth technical questions focusing on JavaScript, front-end frameworks (React/Angular/Vue), and potentially Spring Boot concepts. May include a live coding exercise.

• Portfolio Review & Deep Dive: Presentation of selected portfolio projects to engineering leadership. Discussion will focus on design choices, technical implementation, problem-solving approaches, performance optimizations, and collaboration experiences.

• On-site Interview: In-person meetings with the hiring manager, potential team members, and cross-functional collaborators (UX designers, backend engineers). This stage assesses cultural fit, communication skills, and ability to contribute to the team's mission. May include a more complex case study or system design exercise.

• Final Interview/Offer: Discussion of terms, salary, and benefits, followed by the formal offer.

Portfolio Review Tips:

• Curate Wisely: Select 2-3 projects that best showcase your expertise in modern UI development, responsive design, and integration with backend services (Spring Boot preferred).

• Highlight Impact: For each project, clearly articulate the problem you solved, your specific contributions, the technologies used, and the positive outcomes (e.g., improved user engagement, performance gains, efficiency improvements).

• Structure Your Narrative: For each project, follow a clear story: Problem -> Solution -> Your Role -> Technologies -> Results.

• Technical Depth: Be prepared to discuss architectural decisions, design patterns, performance optimization techniques, and any security considerations.

• Show Collaboration: If possible, describe how you collaborated with designers, backend developers, or stakeholders.

Challenge Preparation:

• Front-end Fundamentals: Review core JavaScript concepts (ES6+), DOM manipulation, asynchronous programming, and common design patterns.

• Framework Proficiency: Be ready for deep dives into your primary framework (React, Angular, or Vue.js), including component lifecycle, state management, hooks (if React), etc.

• Spring Boot & API Integration: Refresh knowledge of RESTful API principles, HTTP methods, request/response handling, and how front-end applications consume and send data to Spring Boot services.

• Responsive Design & Performance: Prepare to discuss strategies for building responsive layouts and techniques for optimizing front-end performance (e.g., code splitting, lazy loading, image optimization).

• Security Best Practices: Understand common web security vulnerabilities (XSS, CSRF) and how to mitigate them in UI development, especially relevant for a TS/SCI role.

📝 Enhancement Note: The emphasis on a portfolio and technical deep dives, combined with the security clearance requirement, indicates a rigorous interview process. Candidates should be prepared to demonstrate not just coding ability but also strategic thinking, problem-solving skills, and a solid understanding of the development lifecycle within a secure context.

🛠 Tools & Technology Stack

Primary Tools:

• JavaScript Frameworks: React, Angular, or Vue.js (expert-level proficiency required in at least one).

• Backend Framework: Spring Boot (strong expertise required for API development).

• Version Control: Git (essential for team collaboration and code management).

• Build Tools/Bundlers: Webpack, Vite, npm/yarn.

• API Technologies: RESTful APIs, WebSockets.

Analytics & Reporting:

• Tools for tracking UI performance and user engagement (specifics not listed, but common in enterprise environments).

• Potential use of testing frameworks for unit and integration testing. CRM & Automation:

• While not directly managing CRM, understanding how UI integrates with CRM/backend systems is crucial.

• CI/CD Tools: Familiarity with continuous integration and continuous deployment pipelines is expected, likely integrated with Git.

📝 Enhancement Note: The explicit mention of React, Angular, Vue.js, and Spring Boot highlights the core technical stack. Proficiency in Git and CI/CD is standard for senior roles, indicating an expectation of modern development workflows.

👥 Team Culture & Values

Operations Values:

• Mission Focus: A strong commitment to supporting national security objectives through advanced technology solutions.

• Integrity & Security: Upholding the highest standards of ethical conduct, discretion, and security protocols, especially crucial given the TS/SCI clearance requirement.

• Innovation: Encouraging the adoption of disruptive technologies and agile approaches to solve complex challenges.

• Collaboration: Fostering a team-oriented environment where diverse skills and perspectives are valued and integrated.

• Excellence: Striving for high-quality, reliable, and performant solutions that meet stringent government requirements.

Collaboration Style:

• Cross-functional Integration: Actively working with UX designers, backend engineers, and mission stakeholders to ensure seamless product development and alignment with user needs.

• Process Review & Feedback: Engaging in regular code reviews and retrospectives to continuously improve code quality, development processes, and team efficiency.

• Knowledge Sharing: Encouraging an environment where team members share best practices, technical insights, and lessons learned, particularly in secure development environments.

📝 Enhancement Note: Nightwing's culture is shaped by its mission in the intelligence community. This translates to a professional, disciplined, and security-conscious environment that also values innovation and collaboration to tackle complex technical challenges.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Requirements: Translating highly technical or classified mission requirements into intuitive and user-friendly interfaces.

• Security Constraints: Developing within secure environments that may have limitations on tools, internet access, or collaboration methods.

• Performance Optimization: Ensuring applications remain performant and responsive under heavy data loads and complex operations.

• Cross-Technology Integration: Seamlessly integrating cutting-edge front-end applications with robust Spring Boot backend services and potentially legacy systems.

Learning & Development Opportunities:

• Advanced Frameworks & Tools: Opportunities to deepen expertise in specific JavaScript frameworks or explore emerging front-end technologies.

• Full-Stack Skill Expansion: Developing and applying skills in Spring Boot, microservices, and cloud-native architectures.

• DevSecOps Practices: Gaining hands-on experience with modern CI/CD pipelines, containerization, and secure development workflows.

• Domain Expertise: Learning about SIGINT operations and intelligence community needs to better inform UI/UX design and functionality.

• Mentorship Programs: Potential for formal or informal mentorship from senior engineers and architects within the organization.

📝 Enhancement Note: The challenges presented are typical for roles in the defense/intelligence sector, requiring adaptability and a strong problem-solving mindset. The growth opportunities are substantial, offering a clear path for skill development and career advancement within a specialized field.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to translate a complex, perhaps vague, technical requirement into a user-friendly interface. What was your process, and what were the key challenges?" (Focus on problem-solving, requirements gathering, and UI design methodology).

• "How do you ensure seamless integration and communication between your front-end components and Spring Boot backend services? Discuss your experience with RESTful APIs and error handling." (Assess understanding of full-stack interaction and API design).

• "Walk us through a project where you significantly optimized front-end performance. What metrics did you focus on, what techniques did you employ, and what was the impact?" (Demonstrate performance tuning skills and data-driven approach). Company & Culture Questions:

• "Given Nightwing's mission in cyber and intelligence, what aspects of this role and company culture appeal to you most?" (Assess understanding of the company's mission and cultural alignment).

• "How do you approach collaboration with UX designers and backend engineers, especially when there might be differing priorities or technical constraints?" (Evaluate teamwork and communication skills).

• "Describe your experience working in secure or classified environments. What specific considerations do you keep in mind when developing applications for such settings?" (Gauge awareness of security protocols and experience). Portfolio Presentation Strategy:

• Select Impactful Projects: Choose 2-3 projects that best demonstrate your required skills (React/Angular/Vue, Spring Boot integration, responsive design).

• Tell a Story: For each project, structure your presentation around the Problem, your Solution, your specific Contribution, the Technologies used, and the measurable Results or Impact.

• Technical Deep Dive: Be prepared to discuss specific architectural choices, design patterns, API interactions, performance optimizations, and any security measures implemented.

• Demonstrate Collaboration: Highlight how you worked with others (designers, backend devs) to achieve project goals.

• Conciseness is Key: Respect time limits and focus on the most critical aspects of your work.

📝 Enhancement Note: Interview questions will heavily lean towards practical application of skills, problem-solving in complex scenarios, and understanding the nuances of working in a secure, mission-driven environment. The portfolio presentation is a crucial part of demonstrating your capabilities.

📌 Application Steps

To apply for this Senior UI Developer position:

• Submit your application through the provided link on Workday.

• Tailor your resume: Emphasize your experience with JavaScript, React/Angular/Vue.js, Spring Boot, RESTful APIs, and responsive design. Quantify achievements where possible, especially regarding performance improvements or successful integrations. Highlight any experience with secure development environments or TS/SCI clearances.

• Prepare your portfolio: Curate 2-3 key projects that showcase your UI development skills and integration experience. Be ready to present these projects, detailing your role, technical approach, and the impact of your work.

• Research Nightwing: Understand the company's mission, its role in the cyber and intelligence sectors, and its focus on advanced technologies. This will help you articulate your interest and align your skills with their needs.

• Practice technical questions: Review core JavaScript, front-end framework concepts, Spring Boot fundamentals, and API integration principles. Be prepared to discuss your approach to problem-solving and performance optimization.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.