Senior UI Developer

# 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, Web Sockets, 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 Dev Sec Ops  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
** Type Script
* * 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., Web Sockets, 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…