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Senior Front-End Engineer

Job in Issaquah, King County, Washington, 98027, USA
Listing for: Cynet systems Inc
Full Time position
Listed on 2026-02-18
Job specializations:
  • Software Development
    Software Engineer, React.js, Full Stack Developer, Front End Developer
Salary/Wage Range or Industry Benchmark: 55 - 60 USD Hourly USD 55.00 60.00 HOUR
Job Description & How to Apply Below

Job Description

Pay Range: $55hr - $60hr

  • The Senior Front-End Engineer will design and build performant, scalable, and accessible Single Page Applications using Next.js, React, and Type Script.
  • This role requires strong technical leadership, client-facing communication skills, and collaboration with global offshore teams.
  • The ideal candidate will work in a fast-paced, cross-functional environment delivering high-impact user experiences hosted on Google Cloud Platform.
Responsibilities
  • Architect and implement modern SPAs using Next.js, React.js, and Type Script.
  • Develop both client-side and server-side components within Next.js applications.
  • Integrate and extend design systems, branding templates, and style guides using HTML5, CSS3, and SASS or SCSS.
  • Build reusable components and shared libraries to scale across multiple applications.
  • Own and implement unit testing strategies using Jest, React Testing Library, and Cypress.
  • Debug complex UI issues across browsers and devices while optimizing performance through caching, lazy loading, and code splitting.
  • Implement Single Sign-On integrations using OAuth2, OpenID Connect, and SAML protocols.
  • Manage iFrame-based content and ensure secure embedding practices.
  • Collaborate with product managers, designers, backend engineers, and cloud teams to deliver seamless user experiences.
  • Deploy and monitor front-end applications on Google Cloud Platform.
  • Lead and mentor offshore development teams, ensuring adherence to best practices and delivery timelines.
  • Participate in Agile ceremonies including sprint planning and roadmap discussions.
Basic Qualifications
  • 7 to 10 years of professional front-end development experience.
  • Deep expertise in Next.js, React.js, and Type Script.
  • Strong knowledge of HTML5, CSS3, responsive design, and accessibility standards.
  • Experience with unit testing, debugging, and performance optimization.
  • Hands‑on experience deploying and managing front‑end applications on GCP.
  • Familiarity with SSO protocols including OAuth2, OpenID Connect, and SAML.
  • Excellent client‑facing communication skills.
  • Experience working in Agile or Scrum environments with onsite and offshore collaboration.
Preferred Qualifications
  • Experience with design systems such as Material UI or Ant Design.
  • Familiarity with CI or CD pipelines for front-end deployments.
  • Exposure to AI or ML dashboards, data visualization platforms, or real-time user interfaces.
  • Knowledge of multi-cloud environments including AWS and Azure and cloud migration strategies.
Tech Stack and Tools
  • Frameworks and Libraries including Next.js, React.js, Redux, and Type Script.
  • Testing tools including Jest, React Testing Library, and Cypress.
  • Styling frameworks including CSS Modules, SASS or SCSS, and Tailwind CSS.
  • Build and deployment tools including Webpack, Vite, and GCP Cloud Build.
  • Authentication protocols including OAuth2, OpenID Connect, and SAML.
  • Monitoring and debugging tools including Chrome Dev Tools, Lighthouse, and Sentry.
  • Collaboration tools including Jira, Confluence, Slack, and Microsoft Teams.
Education
  • Bachelor’s Degree in Computer Science, Engineering, or related field preferred.
  • Equivalent practical experience may be considered.
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Position Requirements
10+ Years work experience
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