Front-End Developer, SME

Position Summary

Command Cyber Solutions is seeking a Front‑End Developer, SME to serve as a technical authority on user interface design and implementation for the IRS Business Tax Account (BTA) modernization initiative. This role will guide the development of intuitive, user‑centered web interfaces that comply with U.S. Web Design System (USWDS), IRS Online Design Guide (ODG), and WCAG 2.2 AA accessibility standards. The SME will provide expert‑level input on front‑end architecture, reusable component libraries, and best practices for responsive design and accessibility, while mentoring the development team and collaborating closely with UX/UI designers, back‑end developers, and IRS stakeholders.

• Serve as a technical authority on front‑end architecture, frameworks, and accessibility compliance for IRS taxpayer‑facing applications.
• Guide the design and development of responsive, accessible, and user‑friendly web interfaces using React, JavaScript (ES6+), HTML5, and CS3.
• Ensure compliance with USWDS, ODG, and WCAG 2.2 AA accessibility standards, performing code reviews for adherence to federal design and accessibility requirements.
• Collaborate with product owners, designers, and back‑end engineers to define technical approaches for delivering scalable, reusable UI components.
• Provide expertise on front‑end performance optimization, API integration, and secure coding best practices.
• Support CI/CD integration for front‑end deployments using Git Hub Actions, Jenkins, and automated testing tools.
• Mentor front‑end developers by conducting code reviews, sharing best practices, and supporting skills development.
• Act as a liaison to ensure alignment between design, accessibility, and development teams during the Agile lifecycle.

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.

• This position requires a Public Trust background investigation in accordance with IRS and Department of the Treasury personnel security policies.
• Six years combined experience directly related to any of the following:
  Database Administration, Database Analysis, Database Report Reproduction, Data‑Dictionary Administration System Development.
• Minimum Requirements:
  
  Favorable Tier 2 - Moderate Risk Public Trust (SF-85P) investigation.
• Elevated Eligibility:
  Tier 4 - High Risk Public Trust (SF-85P) investigation, if duties involve elevated system privileges, access to sensitive IRS systems, or handling Federal Tax Information (FTI).
• Staff‑Like Access:
  Contractor personnel must receive a favorable suitability determination before being granted staff‑like access to IRS information systems.
• Employment is contingent upon passing the required background investigation and maintaining eligibility throughout the period of performance.
• CompTIA Sec+ (or equivalent DoD 8570 IAT Level II certification) (Preferred).
• AWS Certified Developer - Associate or AWS Certified Solutions Architect - Associate (Preferred).
• Certified Scrum Developer (CSD) or other Agile‑related certification (Preferred).
• Certified Secure Software Library Professional (CSSLP) or equivalent security‑focused credential (Preferred).
• AAP Certified Professional in Accessibility Core Competencies (CPACC) or Web Accessibility Specialist (WAS) (Preferred).

• 10+ years of experience as a front‑end developer, with at least 7+ years in a senior or SME‑level role on IT or government projects.
• Proven experience in Agile/Scrum environments delivering enterprise‑scale web applications.
• Strong experience working with React, JavaScript frameworks, and cloud‑hosted applications in AWS/Kubernetes environment.

• Deep expertise in Reach, JavaScript (ES6+), TML5, CSS3, and modern front‑end development practices.
• Strong knowledge of federal design and accessibility standards, including USWDS, ODG, and WCAG 2.2 AA.

• Advanced skills in building scalable, reusable UI component libraries that meet accessibility and design guidelines.
• Skilled in front‑end performance optimization, automated testing (Jest, Cypress, Selenium), and CI/CD workflows.

• Ability to architect front‑end…