Software Engineer, Principal Software Engineer – Front End

Northrop Grumman

Software Engineer designing and developing front-end applications for Northrop Grumman's Mission Experience team. Collaborating on advanced autonomy solutions in a fast-paced environment.

Posted 7/24/2026full-timeEl Segundo • California • 🇺🇸 United StatesLead💰 $91,800 - $137,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in front-end application development, including proficiency in HTML, CSS, and JavaScript, while ensuring responsive design and cross-browser compatibility. Strong collaboration skills with a focus on UI/UX design and adherence to Agile methodologies are essential.

Highest-signal resume keywords

HTMLCSSJavaScriptReactAgile Principles

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Front-End DevelopmentUser Interface DesignCross-Browser CompatibilityAPI IntegrationCode Review

Soft Skills

CollaborationProblem-Solving

Tools & Technologies

Linux/UnixRESTGraphQL

Certifications & Qualifications

Active US Government Clearance

Industry Keywords

STEM DegreeHuman-Computer InteractionPerformance Best PracticesAccessibility Best Practices

Tech Stack

Tools & technologies

AngularGraphQLJavaJavaScriptLinuxReactTypeScriptUnix

About the role

Key responsibilities & impact

Design, develop, document, integrate, test, deploy, and maintain front-end applications software
Implement user interfaces from design mockups using HTML, CSS, and JavaScript
Develop and maintain reusable front-end components and UI patterns
Ensure responsive layouts and cross-browser compatibility across desktop and mobile devices
Integrate front-end features with backend APIs (REST/GraphQL)
Collaborate with designers to refine UI/UX and ensure consistency with the design system
Debug and fix front-end issues related to layout, styling, and functionality
Write clean, well-structured, and well-documented code following team standards
Participate in code reviews, incorporating feedback to improve code quality
Apply accessibility and performance best practices to user-facing features
Work closely with product, backend, and QA teams to clarify requirements and deliver features on time

Requirements

What you’ll need

Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline
2 years of related engineering experience; OR a Master’s degree in a STEM discipline and 0 years of related engineering experience
Must have an active US Government clearance (with a background investigation within the past 6 years or enrolled into Continuous Evaluation)
Experience with Agile principles, processes, and tools
Experience with Java, JavaScript/TypeScript, React, Angular or similar
Experience developing applications on a Linux/Unix operating system
Experience in designing user interfaces with a focus on human-computer interactions

Benefits

Comp & perks

Health insurance coverage
Life and disability insurance
Retirement and Savings Plan
Flexible spending accounts
Paid time off (PTO) for vacation and/or personal business
Professional development opportunities