Senior Frontend Engineer (JavaScript/TypeScript, Next.js, React)

Posted 2 Days Ago
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Makati City, Metro Manila, National Capital Region, PHL
In-Office
Senior level
AdTech • Marketing Tech
The Role
Build and maintain high-performance Next.js/React TypeScript web applications, implement responsive UI from a design system, integrate REST/GraphQL APIs and headless CMS, ensure accessibility, SEO and Core Web Vitals improvements, write tests, perform code reviews, mentor junior developers, and work in Agile/Scrum with cross-functional teams.
Summary Generated by Built In

Job Description:

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. 

 

Soft Skills & Work Practices 

  • Strong problem-solving skills and attention to detail in building high-quality software. 

  • Ability to work independently while collaborating with a distributed engineering team. 

  • Experience in Agile/Scrum development methodologies and proficiency with Jira and Confluence. 

  • Strong communication skills to work effectively across cross-functional teams. 

 

Bonus Skills (Nice-to-Have) 

  • E-commerce Experience: Familiarity with SAP, Commerce Cloud, or Shopify. 

  • Backend & Middleware: Basic knowledge of Node.js, serverless functions (AWS Lambda, Vercel Edge Functions), and databases (MongoDB, PostgreSQL). 

 

Location:

Makati City

Brand:

Merkle

Time Type:

Full time

Contract Type:

Permanent

Skills Required

  • 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
  • Expertise in RESTful APIs and GraphQL for API integration and CRUD operations
  • Strong background in headless CMS platforms (Sitecore, Contentful, Optimizely, Sanity or similar)
  • Experience with web performance tools and strategies (Lighthouse, Core Web Vitals, caching, performance monitoring)
  • Proficiency in testing tools and UI testing strategies (Jest, Cypress, Playwright)
  • Experience with Git and CI/CD, automated testing, and cloud deployments (Vercel, AWS, Netlify, Cloudflare Pages)
  • Experience with design systems and component tools (Storybook, Material UI, TailwindCSS, Radix UI)
  • Experience working in Agile/Scrum and using Jira and Confluence

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.

  • 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.
  • 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.
  • Retirement Support A large, established 401(k) plan with employer matching is clearly documented. Feedback suggests retirement benefits feel competitive and straightforward.

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The Company
15,492 Employees

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

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