Senior UI Developer

Posted 15 Hours Ago
3 Locations
In-Office or Remote
93K-121K Annually
Senior level
Information Technology
The Role
Build and maintain enterprise micro-frontend user interfaces using React, Angular, Nx, and Module Federation. Develop reusable accessible component libraries, integrate authentication and APIs, write automated and visual regression tests, document components in Storybook, maintain CI/CD pipelines, create technical designs, and mentor engineers through code reviews. The role requires strong TypeScript, React, design-system, accessibility, testing, and frontend architecture expertise.
Summary Generated by Built In

 

We currently have a career opportunity for a Senior UI Developer to join our team located within the continental United States..


As a Senior Technical Consultant you will participate in all aspects of the software development lifecycle which includes estimating, technical design, implementation, documentation, testing, deployment and support of application developed for our clients. As a member working in a team environment you will take direction from solution architects and Leads on development activities.

 

 

Responsibilities
  • Build and maintain micro-product UIs in React (Angular where needed) that mount into a shared shell
  • Build micro-frontends using Nx and Module Federation, including more than one framework on the same page
  • Build reusable components with React MUI (and Angular Material), working from the UX team's Figma designs
  • Use and extend the shared design token layer so products pick up brand changes without rework
  • Design component APIs other teams can rely on, and own versioning and migration notes for breaking changes
  • Integrate with Okta (OAuth2/OIDC, JWT) across the shell and products, and with REST and GraphQL services
  • Write automated tests: Jest for unit tests, Playwright or Cypress for end-to-end, plus visual regression
    Document components in Storybook
  • Build to WCAG 2.1 AA: keyboard navigation, screen reader support, focus management
  • Maintain CI/CD pipelines in Azure DevOps and GitHub Actions, with quality gates
  • Turn requirements into technical designs and implementation plans, using AI-assisted tools throughout
  • Mentor engineers and lead code reviews 
Qualifications
  • 5+ years of front-end engineering
  • 3+ years of hands-on React (18+) with TypeScript
  • Working knowledge of Angular
  • Strong JavaScript, HTML and CSS: DOM, responsive layout, cross-browser
  • Has built a shared component library or design system that other teams used
  • React MUI, including theming and style overrides
  • Design tokens and multi-theme styling
  • Storybook
  • WCAG 2.1 AA accessibility in practice
  • Automated unit, integration and end-to-end testing
  • CI/CD and Git-based workflows
  • Daily use of AI coding tools (Claude Code, GitHub Copilot or Codex), including writing good prompts and repo instruction files
  • Bachelor's in Computer Science or equivalent experience

Nice to have

  • Micro-frontend architecture with Nx and Module Federation
  • Web components or Lit
  • Publishing npm packages with semantic versioning
  • Visual regression testing at scale
  • GraphQL
  • Okta or another enterprise identity provider
  • Major framework upgrades in a library used by several products
  • Healthcare or other regulated industries (HIPAA, SOC 2)
     

 

ABOUT OUR TEAM

 

Our Custom Modernization team helps businesses transform legacy systems and build future-ready applications. We deliver end-to-end solutions—combining cloud migration, custom application development, multi-cloud strategies, and modern UI and API integration. With expertise in DevSecOps, modern frameworks, and enterprise platforms, our team of engineers, architects, and project leaders partner with leading brands to drive innovation, accelerate delivery, and create lasting business impact. We also integrate AI-driven capabilities—such as intelligent automation, predictive analytics, and generative development tools—to enhance scalability, performance, and user experience.  

 

Perficient, Inc. proudly provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a protected veteran in accordance with applicable federal, state and local laws. Perficient, Inc. complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Perficient, Inc. expressly prohibits any form of unlawful employee harassment based on race, color, religion, gender, sexual orientation, national origin, age, genetic information, disability, or covered veterans. Improper interference with the ability of Perficient, Inc. employees to perform their expected job duties is absolutely not tolerated.​


Disability Accommodations: Perficient is committed to providing a barrier-free employment process with reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or accommodation due to a disability, please contact us.​


Applications will be accepted until the position is filled or the posting is removed.​


The salary range for this position takes into consideration a variety of factors, including but not limited to skill sets, level of experience, applicable office location, training, licensure and certifications, and other business and organizational needs. The new hire salary range displays the minimum and maximum salary targets for this position across all US locations, and the range has not been adjusted for any specific state differentials. It is not typical for a candidate to be hired at or near the top of the range for their role, and compensation decisions are dependent on the unique facts and circumstances regarding each candidate. A reasonable estimate of the current salary range for this position is $92,700.00 to $120,500.00. Please note that the salary range posted reflects the base salary only and does not include benefits or any potential variable compensation programs. Information regarding the benefits available for this position are in our benefits overview. 

 

 

Disclaimer:  The above statements are not intended to be a complete statement of job content, rather to act as a guide to the essential functions performed by the employee assigned to this classification.  Management retains the discretion to add or change the duties of the position at any time. 

 

#LI-GS1 #LI-AIFirst   #LI-UIDeveloper

 

 

 

About UsPerficient is the global AI and technology consulting firm disrupting the traditional consulting model. Powered by our 7,000+ advisors, engineers, and designers, Perficient implements AI-first solutions that break conventions and deliver outcomes that matter. Proudly serving clients that represent the world’s most innovative brands, and in collaboration with our powerful technology partner ecosystem, we bring deep industry expertise and data-driven design to redefine how businesses run and succeed. Perficient is different. For real. Learn more at perficient.com.

Skills Required

  • 5+ years of front-end engineering experience
  • 3+ years of hands-on React 18+ experience with TypeScript
  • Working knowledge of Angular
  • Strong JavaScript, HTML, and CSS skills, including DOM, responsive layout, and cross-browser development
  • Experience building a shared component library or design system used by other teams
  • Experience with React MUI, including theming and style overrides
  • Experience with design tokens and multi-theme styling
  • Experience with Storybook
  • Practical WCAG 2.1 AA accessibility experience
  • Experience with automated unit, integration, and end-to-end testing
  • Experience with CI/CD and Git-based workflows
  • Daily use of AI coding tools such as Claude Code, GitHub Copilot, or Codex, including effective prompts and repository instruction files
  • Bachelor's degree in Computer Science or equivalent experience
  • Experience with micro-frontend architecture using Nx and Module Federation
  • Experience with Web Components or Lit
  • Experience publishing npm packages with semantic versioning
  • Experience with visual regression testing at scale
  • Experience with GraphQL
  • Experience with Okta or another enterprise identity provider
  • Experience leading major framework upgrades in libraries used by multiple products
  • Experience in healthcare or other regulated industries, including HIPAA or SOC 2

Perficient Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Perficient and has not been reviewed or approved by Perficient.

  • Retirement Support — Retirement offerings are positioned as robust, including a 401(k) with company match, an Employee Stock Purchase Plan, and an option for after-tax contributions (mega backdoor Roth). Eligibility details are described as clear for core benefits, supporting confidence in plan access timing.
  • Parental & Family Support — Parental benefits are described as structured, with paid maternity recovery time and paid parental leave for all new parents. Company-paid disability coverage is also highlighted, strengthening the overall family support posture.
  • Fair & Transparent Compensation — Compensation is characterized as generally market-aligned for a portion of roles, with examples of pay being viewed as fair or decent in certain contexts (such as remote or region-specific situations). Variable pay potential appears stronger in some tracks, improving perceived competitiveness for those roles.

Perficient Insights

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The Company
HQ: Saint Louis, MO
3,295 Employees
Year Founded: 1997

What We Do

Perficient is a leading global digital consultancy. We imagine, create, engineer, and run digital transformation solutions that help our clients exceed customers’ expectations, outpace competition, and grow their business. With unparalleled strategy, creative, and technology capabilities, we bring big thinking and innovative ideas, along with a practical approach to help the world’s largest enterprises and biggest brands succeed.

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