Senior UI Developer

Nightwing•Annapolis Junction, MD

1d•$99,000 - $206,000•Onsite

About The Position

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.

Requirements

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

Nice To Haves

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)

Responsibilities

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