Job Description:
About the Role
We are seeking a Senior Frontend Engineer with deep expertise in JavaScript/TypeScript, Next.js, and React.js to join our growing engineering team. Reporting to the CMS Technical Director, you will have a strong track record in building scalable, performant, and maintainable web applications while delivering pixel-perfect, accessible, and high-quality UI components.
Key Responsibilities
Develop & maintain high-performance web applications using Next.js, React, and TypeScript.
Implement responsive, pixel-perfect UI components based on design system guidelines.
Integrate APIs (REST, GraphQL) and optimize CRUD operations for performance and scalability.
Work with headless CMS platforms (e.g., Contentful) for content management and personalization.
Ensure cross-browser compatibility, web accessibility (WCAG standards), and SEO best practices.
Collaborate with UI/UX designers, backend engineers, and product teams to build intuitive, frictionless experiences.
Optimize performance through Lighthouse audits, caching strategies, and Core Web Vitals improvements.
Write clean, well-documented, and testable code, following modern best practices.
Conduct code reviews, contribute to technical discussions, and mentor junior developers.
Work in an Agile/Scrum environment, contributing to sprint planning, retrospectives, and stand-ups.
Required Skills & Experience
5+ years of front-end development experience focusing on JavaScript/TypeScript.
3+ 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.
Headless CMS Experience: Strong background in Sitecore, Contentful, Optimizely, Sanity, or similar CMS platforms.
Web Performance & Optimization: Experience with Lighthouse, Core Web Vitals, caching strategies, and performance monitoring.
Testing & QA: Proficiency in Jest, Cypress, Playwright, and UI testing strategies.
Version Control & CI/CD: Experience with Git (GitHub/GitLab/Bitbucket), automated testing, and cloud deployments (Vercel, AWS, Netlify, or Cloudflare Pages).
Design Systems: Experience with Storybook, Material UI, TailwindCSS, or Radix UI.
The annual salary range for this position is $68,000 - $110,000. 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.
At dentsu, we believe great work happens when we’re connected. Our way of working combines flexibility with in-person collaboration to spark ideas and strengthen our teams. Employees who live within a commutable distance of one of our hub offices, currently located in Chicago, metro Detroit, Los Angeles, and New York City, are required and expected to work from the office three days per week (two days per week for employees based in Los Angeles). Dentsu may designate other Hub offices at any time. Those who live outside a commutable range may be designated as remote, depending on the role and business needs. Regardless of your work location, we expect our employees to be flexible to meet the needs of our Company and clients, which may include attendance in an office.
Location:
USA - Remote - IllinoisBrand:
MerkleTime Type:
Full timeContract Type:
PermanentDentsu 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.
Dentsu is committed to providing reasonable accommodation to, among others, individuals with disabilities and disabled veterans. If you need an accommodation because of a disability to search and apply for a career opportunity with us, please send an e-mail to [email protected] by clicking on the link to let us know the nature of your accommodation request and your contact information. We are here to support you.
Skills Required
- 5+ years front-end development experience focusing on JavaScript and TypeScript
- 3+ years hands-on experience with Next.js and React.js in production
- Advanced CSS skills including CSS Modules, SCSS, PostCSS, and responsive design
- Expertise integrating with RESTful APIs and GraphQL and optimizing CRUD operations
- Experience with headless CMS platforms (eg. Contentful, Sitecore, Optimizely, Sanity)
- Web performance and optimization experience (Lighthouse, Core Web Vitals, caching strategies)
- Proficiency in testing and QA tools: Jest, Cypress, Playwright
- Version control and CI/CD experience with Git (GitHub/GitLab/Bitbucket) and cloud deployments (Vercel, AWS, Netlify, Cloudflare Pages)
- Experience building or working with design systems and UI libraries (Storybook, Material UI, TailwindCSS, Radix UI)
- Experience ensuring cross-browser compatibility, web accessibility (WCAG), and SEO best practices
- Experience working in an Agile/Scrum environment and participating in sprint ceremonies
- Ability to conduct code reviews, contribute to technical discussions, and mentor junior developers
dentsu Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about dentsu and has not been reviewed or approved by dentsu.
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Parental & Family Support — Paid parental leave at full pay and caregiver supports (including backup care) are emphasized as standout elements. Feedback suggests family-oriented benefits are a strong part of the package.
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Leave & Time Off Breadth — Flexible or unlimited PTO, extensive paid holidays, and a year-end office closure are established components. Feedback suggests time-off policies are generous and add meaningful flexibility.
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Retirement Support — A large, established 401(k) plan with employer matching is clearly documented. Feedback suggests retirement benefits feel competitive and straightforward.
dentsu Insights
What We Do
We are dentsu. We team together to help brands predict and plan for disruptive future opportunities and create new paths to growth in the sustainable economy. We know people better than anyone else and we use those insights to connect brand, content, commerce and experience, underpinned by modern creativity. We are the network designed for what’s next
