Lead Frontend Engineer

dentsu Austria

Senior Frontend Engineer leading architecture, design, and implementation of frontend systems for Dentsu. Driving performance, accessibility, and maintainability with a focus on team collaboration and mentorship.

Posted 6/10/2026full-timeNew York City • New York • 🇺🇸 United StatesSenior💰 $94,000 - $140,000 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudCypressGraphQLJavaScriptJestNext.jsReactSitecoreTypeScript

About the role

Key responsibilities & impact

Lead the architecture, design, and implementation of complex frontend features and systems using Next.js, React, and TypeScript.
Ensure code quality and long-term maintainability through reusable components, atomic design principles, and robust documentation.
Integrate REST and GraphQL APIs efficiently and securely, optimizing for performance and scale.
Drive the adoption of performance best practices (Lighthouse, Core Web Vitals, caching strategies) and accessibility (WCAG standards).
Provide architectural oversight for integrating headless CMS platforms (e.g., Contentful, Optimizely, Sitecore).
Define and uphold best practices for responsive UI development, cross-browser compatibility, and internationalization/multilingual support.
Act as the technical authority and primary point of contact for frontend concerns within your cross-functional squad.
Own the delivery and stability of complex features from planning through production deployment.
Conduct and lead peer code reviews, enforce coding standards, and ensure development consistency across contributors.
Guide estimation efforts, break down epics into deliverable stories, and drive sprint-level planning.
Collaborate with design, backend, DevOps, and product management teams to deliver high-quality experiences.
Mentor and support other frontend developers through pair programming, design sessions, and architecture reviews.
Share knowledge through documentation, internal workshops, and informal learning sessions.
Actively contribute to team growth by encouraging a culture of ownership, feedback, and continuous improvement.

Requirements

What you’ll need

6–8+ years of frontend engineering experience.
4+ years of production experience with React.js and Next.js.
Strong fluency in JavaScript/TypeScript, including modern ES6+ features.
Experience with building and scaling large component libraries or design systems.
Deep understanding of API integration patterns, including REST and GraphQL.
Proficiency in frontend performance tuning, Core Web Vitals, and Lighthouse audits.
Familiarity with automated testing frameworks (Jest, Cypress, Playwright).
Experience with modern CI/CD pipelines and cloud deployment platforms (Vercel, Netlify, AWS, etc.).
Strong background in headless CMS platforms (Contentful, Optimizely, Sitecore, Sanity).

Benefits

Comp & perks

Medical, vision, and dental insurance
Life insurance
Short-term and long-term disability insurance
401k
Flexible paid time off
At least 15 paid holidays per year
Paid sick and safe leave
Paid parental leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Next.jsReactTypeScriptJavaScriptRESTGraphQLperformance tuningautomated testingCI/CDheadless CMS

Soft Skills

leadershipmentoringcollaborationcommunicationproblem-solvingcode reviewplanningfeedbackcontinuous improvementownership