Principal Software Engineer

United StatesUnited States·Annapolis Junctionlead
Software EngineerSoftware Engineering
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Quick Summary

Key Responsibilities

100% paid employee healthcare premiums. CareFirst Advantage Best in Class Benefits. HaloScripts Concierge prescription medication service Generous PTO.

Requirements Summary

The Software Engineer, shall have at least the following experience:• Twenty (20) years of experience as a Software Engineer (SWE) supporting programs and contracts of similar scope, type,

Technical Tools
Software EngineerSoftware Engineering
Red Arch Solutions is hiring a Principal Software Engineer for our program in Annapolis Junction, Maryland. The Software Engineer will join an experienced team working on efforts to modernize an existing data tracking and metrics system. The User Experience (UX) developer should be able to focus on developing highly usable end user interfaces, applying UI best practices, and UX principles.

Basic Qualifications: 
The Software Engineer, shall have at least the following experience:
•    Twenty (20) years of experience as a Software Engineer (SWE) supporting programs and contracts of similar scope, type, and complexity.
•     Bachelor’s degree in Computer Science or a related discipline from an accredited college or university. Note: Four (4) additional years of SWE experience on projects with similar software processes may be substituted for a bachelor’s degree.
•    Five (5) years of experience with a strong background in user-centered design, UI best practices, usability testing, and the software development lifecycle (analysis, design, implementation, and deployment).
•    Demonstrate working knowledge of Linux, CSS, JavaScript, and HTML to support UI design, troubleshoot design-related issues, and collaborate with development teams.
•    Work closely with users (analysts) to research, develop, and document user profiles and user performance requirements.
•    Conduct task analysis and workflow mapping and develop and test user scenarios. 
•    Develop UI design specifications and support documentation (e.g., wireframes, mockups, interaction behaviors, and design guidelines), as needed to support development efforts.
•    Collaborate with product designers and process engineers to inform application design and ensure user-centered solutions align with workflows and requirements.
•    Conduct accessibility and 508 compliance testing to ensure user interfaces meet regulatory and usability standards.
•    Collect and analyze user feedback through surveys and behavioral data to guide design improvements and UX decisions.
•    Work independently while collaborating effectively with small teams and larger cross-functional groups.
•    Create interactive prototypes to validate design concepts and communicate interactions to stakeholders and development teams.

Required Skills: 
•    UI/UX experience
•    508 Compliance
•    TS/SCI clearance with polygraph clearance required 

Desired Qualifications: 
•    Experience with the following: CSS, Javascript, HTML, Adobe Suite
Salary range for this position: $205K - $217K #CJ

Responsibilities

~1 min read

What We Offer

~1 min read
✓100% paid employee healthcare premiums. CareFirst Advantage Best in Class Benefits.
✓HaloScripts Concierge prescription medication service
✓Generous PTO.
✓10 % 401K 6% match vested day one and up to 4% profit sharing contribution.
✓Annualized bonus compensation.
✓Spot bonuses for hard work.
✓Tuition reimbursement.
✓529 College Saving Plan.
✓College Loan Pay Back Program.
✓11 Paid Federal Holidays
✓Generous Referral Bonuses.

Location & Eligibility

Where is the job
Annapolis Junction, United States
On-site at the office
Who can apply
US

Listing Details

First seen
September 25, 2026
Last seen
October 3, 2026

Posting Health

Days active
7
Repost count
0
Trust Level
33%
Scored at
October 3, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust
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Principal Software Engineer