User Interface (UI) Developer

Quantum Technologies. LLC; Ashburn (VA); On-site; USD 180,000 - 240,000; Full time

Job summary

Quantum Technologies. LLC is seeking a seasoned Lead Front-End Engineer to architect and deliver a complex Angular UI from inception to deployment. You will set coding standards, guide API integration with Java back-ends, and drive a culture of testing and performance optimization.

You will mentor junior developers, enforce best practices, and ensure the UI scales for future growth while operating in an Agile Scrum and SecDevOps environment with Kubernetes deployments.

Qualifications

• BS/BA degree with 12+ years of related experience or MS with 10+ years.
• Must obtain CBP Background Investigation prior to start.
• Experience with Agile Scrum and SecDevOps environments.
• Experience with containerized apps (Docker, Kubernetes).
• 4+ years of hands-on Angular (v2+) experience.
• Experience with front-end build tools (Webpack, Babel, NPM, Node).
• Experience with RESTful APIs and microservices integration.
• Familiarity with Java backend integration and JWT auth.

Responsibilities

• Lead the design, development, and deployment of a complex Angular UI from inception to production.
• Define UI development best practices, coding standards, and architecture.
• Collaborate with Java back-end teams to align APIs and UI integration.
• Develop thorough unit, integration, and end-to-end testing strategies.
• Architect scalable, maintainable front-end solutions for growth.
• Mentor junior developers and foster technical excellence in the UI team.
• Ensure UI performance, responsiveness, and superior user experience.
• Operate within Agile Scrum and SecDevOps culture; drive Kubernetes deployments.

Skills

Angular (2+)

UI Architecture

RESTful APIs

JWT

Kubernetes

Docker

Webpack

NPM / Node.js

Agile Scrum

Lead/M mentor

SecDevOps

Education

BS/BA or higher

CBP Background Investigation

Tools

Docker

Kubernetes

Webpack

Axios

JWT libraries

Angular CLI

Job description

• Lead the design, development, and implementation of a new, complex Angular UI application from inception to deployment.
• Define and enforce UI development best practices, coding standards, and architectural guidelines.
• Collaborate closely with Java backend developers to understand API requirements and ensure seamless integration.
• Drive thorough unit, integration, and end-to-end testing strategies for the UI application.
• Architect and implement scalable and maintainable front-end solutions, considering future growth and evolving business needs.
• Mentor junior developers and foster a culture of technical excellence within the UI team.
• Ensure the UI application is optimized for performance, responsiveness, and user experience.
• Work within an Agile Scrum methodology and contribute to a SecDevOps culture.
• Oversee the deployment of the UI application into Kubernetes (K8s) environments.

Required Skills and Experience:

• BS/BA degree and 12 years of related experience or Master s with 10 years of related experience; OR 4 years of related experience in lieu of degree
• Must be able to maintain and obtain a CBP Background Investigation prior to start
• Experience with Agile Scrum methodology and working in a SecDevOps environment
• Experience working with containerized applications (Docker, Kubernetes)
• Proven experience leading UI projects and building applications from the ground up.
• 4 years of hands-on experience with Angular (version 2+), demonstrating a deep understanding of its core principles, component-based architecture, routing, services, and state management.
• Experience with front-end build tools and package managers (e.g., Webpack, Babel, NPM, Node.js).
• Demonstrated experience working with RESTful APIs and Microservices, including expertise with HTTP request libraries like Axios.
• Familiarity with the Java backend ecosystem and common patterns for UI/backend integration
• Solid understanding of modern authorization mechanisms, such as JSON Web Token (JWT)

Preferred Skills (Not essential but beneficial to have):

• Hands on working experience with NgRx for complex state management.
• Hands on experience with more current specifications of EcmaScript (ES6)
• Experience with common front-end development tools such as Babel, Webpack, NPM, Node etc.
• Experience with UI testing frameworks (e.g., Jasmine, Karma, Jest, Cypress).
• A strong portfolio or examples of previous Angular applications developed from scratch.
• Experience with UI/UX design principles and best practices.
• Demonstrated ability to benchmark and optimize UI application performance.
• Familiarity with CI/CD pipelines for front-end applications.
• Familiarity with real-time UI monitoring tools.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.