Senior UI Developer — Mission-Critical Frontend (Onsite MD)

Nightwing; Annapolis (MD); On-site; USD 99,000 - 206,000; Full time

Benefits offered by this job

Medical Insurance

Vision Insurance

Dental Insurance

401k Plan

PTO

Job summary

Nightwing is seeking a Senior UI Developer who crafts intuitive, high-performance interfaces for mission-critical operations. Join a team building modern, responsive applications that transform complex data into actionable insights, strengthening national security with cutting-edge tech.

This onsite role is based at Nightwing's National Business Park, Maryland location. You will design UIs with JavaScript frameworks, build RESTful services with Spring Boot, and collaborate with UX designers and

Qualifications

• Bachelors or higher in STEM or equivalent experience.
• 5+ years of professional UI/front-end development.
• Expert-level JavaScript (ES6+) with React, Angular or Vue.js.
• Strong Spring Boot experience for RESTful APIs and microservices.
• Secure coding practices and experience in secure environments.

Responsibilities

• Design and develop modern, responsive UIs for mission-critical apps using JS frameworks.
• Build scalable RESTful backend services with Spring Boot to support front-end apps.
• Create seamless integration between front-end components and microservices.
• Develop reusable UI components and design patterns across apps.
• Optimize performance, load times, and cross-device compatibility.
• Collaborate with UX designers, engineers, and mission stakeholders.
• Participate in code reviews and contribute to technical docs; mentor juniors.
• Follow DevSecOps practices and ensure secure CI/CD workflows.

Skills

5+ years frontend UI experience

JavaScript ES6+

React

Angular

Vue.js

Spring Boot

RESTful APIs

Security clearance TS/SCI with Polygr

U.S. citizenship

Education

STEM degree or equivalent

Tools

Docker

Kubernetes

Webpack

Vite

npm / yarn

Git

CI/CD

Job description

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets.

Senior UI Developer

About Nightwing

Nightwing is seeking a Senior UI Developer who excels at crafting intuitive, high-performance user interfaces that empower mission-critical operations. Join a team at the forefront of building modern, responsive applications that transform complex data into actionable insights, strengthening our nation's security with cutting-edge technologies. Nightwing develops strategic and tactical SIGINT solutions that secure the interests of the U.S. and its partners.

Our collaborative environment embraces creativity, integrity, and constant improvement. With access to state-of-the-art tools, opportunities to grow professionally, and meaningful work alongside the nation's finest service members, you'll help shape tomorrow's solutions today.

This is an ONSITE position based out of our National Business Park, Maryland location.

What You Will Do:

• Design and develop modern, responsive user interfaces for mission-critical applications using JavaScript frameworks and libraries
• Build scalable, RESTful backend services using Spring Boot to support dynamic front-end applications
• Create seamless integration between front-end components and Spring Boot microservices, ensuring optimal performance and user experience
• Develop reusable UI components and establish design patterns that promote consistency across multiple applications
• Optimize application performance, focusing on load times, rendering efficiency, and responsive design across various devices and browsers
• Collaborate with UX designers, software engineers, and mission stakeholders to translate complex requirements into elegant, user-friendly interfaces
• Implement secure coding practices and ensure applications meet stringent security standards for classified environments
• Work with RESTful APIs, WebSockets, and real-time data streaming to deliver dynamic, data-driven user experiences
• Participate in code reviews, contribute to technical documentation, and mentor junior developers
• Ensure adherence to agile development practices and configuration management standards using modern DevSecOps tools and workflows

Qualifications You Must Have:

• A STEM degree (Science, Technology, Engineering, Mathematics) or equivalent experience
• 5+ years of professional experience in UI/front-end development
• 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
• Familiarity with build tools and bundlers (e.g., Webpack, Vite, npm/yarn)
• Knowledge of version control using Git and CI/CD pipelines
• Strong problem-solving skills with attention to detail and user experience
• Excellent communication and teamwork skills, with a passion for innovation and collaboration
• Active TS/SCI security clearance with Polygraph
• U.S. citizenship is required

Qualifications We Prefer:

• Experience with TypeScript for type-safe JavaScript development
• Familiarity with containerized environments (e.g., Docker, Kubernetes) and deploying Spring Boot applications in cloud-native architectures
• Knowledge of Spring Security and OAuth 2.0 for implementing secure authentication and authorization
• Experience with real-time communication technologies (e.g., WebSockets, Server-Sent Events)
• Familiarity with testing frameworks (e.g., Jest, Cypress, JUnit, Mockito)
• Previous experience developing applications in classified or secure environments
• Knowledge of Java and Spring ecosystem beyond Spring Boot (e.g., Spring Cloud, Spring Data)

Why Join Nightwing?

• Cutting-Edge Tools: Work with the latest front-end frameworks, modern development environments, and enterprise-grade Spring Boot architectures
• Mission-Driven Impact: Build user interfaces that directly support missions that make the world safer and more secure
• Innovation at Scale: Create solutions that handle real-time data, complex visualizations, and mission-critical workflows
• Collaborative Culture: Work with talented designers, engineers, and service members in a dynamic environment that values creativity and user-centered design
• Professional Growth: Opportunities to expand your skills across the full stack and work with emerging technologies

Security Clearance Type:

TS/SCI with Polygraph

Security Clearance Status:

Active and existing security clearance required after day 1

Salary & Benefits

The salary associated with this position ($99,000-$206,000) is commensurate with the selected candidate’s qualifications, years of relevant experience, and demonstrated level of expertise. Compensation will be determined based on these factors to ensure alignment with skills, responsibilities, and market standards.

Nightwing offers medical, vision and dental insurance coverage in addition to a 401k plan, PTO, Holidays, and additional insurances.

Nightwing is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.