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39 Cls Front-End Developer Jobs Hiring Near You

Photon

Front End Lead - USA

Dallas, TX · On-site

Collaborate with backend engineers to optimize API designs and system efficiency. * Optimize ... Web Vitals optimizations (LCP, FID, CLS) * Edge caching & CDN optimizations * Predictive rendering ...

Tenna

$90 - $130/hr

Owns the front-end contribution to Core Web Vitals (LCP, INP, CLS) through disciplined markup ... Partners with the Web Platform Engineer on anything touching plugins, infrastructure, tracking, or ...

Photon

Front End Architect/Lead - USA

Dallas, TX · On-site

Collaborate with backend engineers to optimize API designs and system efficiency. * Optimize ... Web Vitals optimizations (LCP, FID, CLS) * Edge caching & CDN optimizations * Predictive rendering ...

Siri InfoSolutions Inc

React (Next.js) Lead

Irving, TX · On-site

... frontend tooling. This role oversees multiple developers, establishes coding standards, defines ... Cumulative Layout Shift (CLS) * Time to Interactive (TTI) * Memory usage and rendering speed

Photon

React Developer | Onshore

Providence, RI · On-site

$103K - $120K/yr

Apply best practices for state management (Redux Toolkit, Context API, Zustand) and frontend ... Analyze and contribute to KPI reviews , including Core Web Vitals (LCP, CLS, INP), page performance ...

Photon

React Developer_Woonsocket, RI

Providence, RI · On-site

$103K - $120K/yr

Apply best practices for state management (Redux Toolkit, Context API, Zustand) and frontend ... Analyze and contribute to KPI reviews , including Core Web Vitals (LCP, CLS, INP), page performance ...

InterSources Inc

React (NextJS) Lead

Irving, TX · On-site

$54 - $69.25/hr

... overseeing multiple developers, and ensuring a scalable and performant front-end codebase ... Shift (CLS) • Time to Interactive (TTI) • Memory usage and rendering speed • Optimize ...

Assa Abloy

Full Stack Developer, MarTech

New Haven, CT · On-site

This is a frontend-leaning role with meaningful full-stack scope . While you spend most of your ... Core Web Vitals (LCP, INP, CLS) measurement and remediation * SEO & structured data : structured ...

Sidram Technologies

React (NextJS) Lead - w2

Irving, TX · On-site

$56 - $71.50/hr

... frontend tooling. This role oversees multiple developers, establishes coding standards, defines ... Cumulative Layout Shift (CLS) * Time to Interactive (TTI) * Memory usage and rendering speed

InterSources

React (NextJS) Lead

Irving, TX · On-site

$56 - $71.50/hr

... frontend tooling. This role oversees multiple developers, establishes coding standards, defines ... Cumulative Layout Shift (CLS) * Time to Interactive (TTI) * Memory usage and rendering speed

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Infographic showing various Front-End Developer job openings at Cls in the United States as of August 2026, with employment types broken down into 89% Full Time, 3% Part Time, and 8% Nights. Highlights an 100% Physical job distribution.

Senior Frontend Developer

Pharos Solutions GmbH

Alexandria, VA • On-site

$120 - $160/hr

Other

Posted 17 days ago

Job description

Pharos Solutions in its Alexandria branch is looking for a \"Senior Frontend Developer\" with the following requirements

Must have:
  • BSc/MSc in Computer Engineering or equivalent.
  • 5+ years of relevant work experience as front-end developer.
  • Advanced mastery of modern JavaScript (ES6+), TypeScript, and semantic HTML5 / modern CSS (including Tailwind CSS, CSS Modules, or Styled Components).
  • Deep, hands-on production experience with a modern component-based framework—primarily React, Vue.js, or Angular, along with modern meta-frameworks like Next.js, or Nuxt.
  • Extensive experience with state management libraries (e.g., Redux Toolkit, Zustand, Pinia) and efficient async data-fetching (e.g., TanStack Query, GraphQL/Apollo client).
  • Proficient in writing automated tests using frameworks like Jest, React Testing Library, Cypress, or Playwright.
  • Strong familiarity with modern frontend build pipelines and tooling (e.g., Vite, Webpack, Turborepo, CI/CD integrations).
  • A knack for benchmarking and optimization.
  • Attention to details.
  • Experience with SignalR (or websocket e.g. socket.io).
  • Experience with Docker.
  • Familiarity with Kafka/service bus..
  • Fluency in English (German is a plus).
Job Responsibilities and Duties:
  • Architecture & State Management: Define and scale client-side architecture, managing complex global states and clean data fetching strategies.
  • UI/UX Implementation: Translate high-fidelity designs into clean, responsive, and cross-browser compatible web experiences.
  • Performance Engineering: Optimize web applications for maximum speed, scalability, and optimal Core Web Vitals (e.g., LCP, CLS, INP).
  • Component System Ownership: Build and maintain scalable, reusable UI component systems or design tokens to ensure visual consistency across applications.
  • Mentorship & Standards: Advocate for modern frontend best practices, direct code quality via reviews, and establish robust testing strategies (unit, integration, and E2E).
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