Lead Frontend Engineer

Dentsu Aegis Network; United States; Remote; USD 94,000 - 153,000; Full time

Job summary

A leading company in the digital marketing sector is seeking a Lead Frontend Engineer to steer end-to-end front-end development. You'll engage in mentoring, code reviews, and architecture decisions using technologies like React.js and Next.js. Enjoy a flexible, remote work environment while contributing to high-quality web applications.

Benefits

Medical, vision, and dental insurance

401k

Flexible paid time off

Paid parental leave

Short-term and long-term disability insurance

At least 15 paid holidays per year

Life insurance

Paid sick and safe leave

Qualifications

• 7+ years of frontend development experience focusing on JavaScript/TypeScript.
• 4+ years with Next.js and React.js in production.
• Experienced in API integration and performance optimization.

Responsibilities

• Develop and maintain high-performance web applications using Next.js and React.
• Implement responsive UI components based on design guidelines.
• Collaborate with designers and engineers to build user-friendly interfaces.

Skills

JavaScript

TypeScript

React.js

Next.js

CSS

HTML

API Integration

Web Accessibility

Performance Optimization

Tools

Git

Vercel

Node

Sitecore

Storybook

Cypress

Playwright

Job description

The purpose of this role is to provide technical guidance and suggest improvements in development processes. Develop required software features, achieving timely delivery in compliance with the performance and quality standards of the company.

Job Description:

We are hiring a Lead Frontend Engineer with expertise in JavaScript/TypeScript, React.js, and Next.js to join our growing engineering team. This role is ideal for a seasoned engineer ready to drive end-to-end delivery, mentor developers, and make architectural decisions that scale across teams and regions. You will report to the CMS Technical Director.

You will have an in-depth understanding of React, Next.js, CSS, and HTML. Experience utilizing technologies like Vercel, Storybook, Node, and Sitecore are preferred along with a strong desire and ability to develop both performant and accessible experiences. We strive to find technical leaders who have a passion for frontend technologies. This passion is reflected in the quality of work we deliver and the foundation for the rich and engaging frontend community we all benefit from. A natural curiosity to explore new technology and the determination and strength to rise to challenges are attributes that resonate well on our team. It is imperative, as a technical leader within our frontend discipline, that you find enjoyment in empowering your teams and the greater front-end community, sharing knowledge, advocating for quality and best practices, and a personal desire to invest in your own knowledge base and skills.

This is a remote role. Employees within 90 min of our NY, MI, or IL offices may expect 1 day a week onsite.

RESPONSIBILITIES

• You will develop & maintain high-performance web applications using Next.js, React, and TypeScript.

• You will implement responsive, pixel-perfect UI components based on design system guidelines.

• You will integrate APIs (GraphQL, REST) and optimize CRUD operations for performance and scalability.

• You will work with headless CMS platforms (e.g., Contentful, Sitecore, Optimizely) for content management and personalization.

• You will ensure cross-browser compatibility, web accessibility (WCAG standards), and SEO best practices.

• You will collaborate with UI/UX designers, backend engineers, and product teams to build intuitive, frictionless experiences.

• You will optimize performance through Lighthouse audits, caching strategies, and Core Web Vitals improvements.

• You will write clean, well-documented, and testable code, following modern best practices.

• You will conduct code reviews, contribute to technical discussions, and mentor junior developers.

• You will work in an Agile/Scrum environment, contributing to sprint planning, retrospectives, and stand-ups.

• You will collaborate with frontend architects to understand overall technical vision of projects and communicate to greater frontend development team.

• You will review frontend code through pull requests and enforce best practices and adherence to technical vision.

• You will review project requirements for technical feasibility.

• You will collaborate with business analysts to break down large features for consumption by development team.

Required Skills & Experience

• 7+ years of front-end development experience focusing on JavaScript/TypeScript.

• 4+ years of hands-on experience with Next.js and React.js in production.

• Advanced CSS skills, including CSS Modules, SCSS, PostCSS, and responsive design principles.

• API Integration & CRUD Operations: Expertise in RESTful APIs and GraphQL.

• Strong background in Sitecore, Contentful, Sanity, Optimizely, or similar headless CMS platforms.

• Experience with headless architecture and the Server-Client Rendering Spectrum.

• Web Performance & Optimization: Experience with Lighthouse, Core Web Vitals, caching strategies, and performance monitoring.

• Proficiency in Jest, Cypress, Playwright, and UI testing strategies.

• Experience with Git (GitHub/GitLab/Bitbucket), automated testing, and cloud deployments (Vercel, AWS, Netlify, or Cloudflare Pages).

• Experience in modular web development, using Atomic Design and Storybook.

• In-depth knowledge of browser/client discrepancies and supported features.

• In-depth knowledge of website performance considerations and performance tooling.

• In-depth knowledge of accessibility and WCAG standards.

• Ability to estimate and complete work in a deadline-driven environment.

The annual salary range for this position is $94,000 - $152,375. Placement within the salary range is based on a variety of factors, including relevant experience, knowledge, skills, and other factors permitted by law.

Benefits available with this position include:

• 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, and

• Paid parental leave.

Dentsu also complies with applicable state and local laws regarding employee leave benefits, including, but not limited to providing time off pursuant to the Colorado Healthy Families and Workplaces Act, in accordance with its plans and policies. For further details regarding Dentsu benefits, please visit www.dentsubenefitsplus.com.

To begin the application process, please click on the “Apply” button at the top of this job posting. Applications will be reviewed on an ongoing basis, and qualified candidates will be contacted for next steps.

#LI-RL1 #LI-hybrid

Location:

USA - Remote - New York

Brand:

Merkle

Time Type:

Full time

Contract Type:

Permanent

Dentsu is committed to providing equal employment opportunities to all applicants and employees. We do this without regard to race, color , national origin, sex , sexual orientation, gender identity, age, pregnancy, childbirth or related medical conditions, ancestry, physical or mental disability, marital status, political affiliation, religious practices and observances, citizenship status, genetic information, veteran status, or any other basis protected under applicable federal, state, or local law.

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