Frontend Engineer - (Next.js, React, TypeScript, Redux Toolkit, Tailwind CSS)
dentsu · Posted Oct 27
Integrated advertising, marketing, media, and business transformation services
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About the role
Merkle, part of Dentsu, is hiring a Frontend Engineer for its Bengaluru (Manyata N1 Block) office to build scalable, high-performance web applications. The role centers on a stack of Next.js, React, TypeScript, Redux Toolkit, and Tailwind CSS with REST API integration and performance optimization. The engineer will build reusable UI components, manage application state, optimize rendering and bundle size, and collaborate with backend engineers to deliver features end to end.
What you will do
- Develop scalable, responsive, and maintainable web applications using Next.js, React, and TypeScript.
- Build reusable UI components and follow established frontend architecture and coding standards.
- Manage application state using Redux Toolkit, including slices, reducers, selectors, and asynchronous thunks.
- Integrate REST APIs, work with API contracts, and handle asynchronous operations, errors, loading states, and data synchronization.
- Build responsive interfaces using Tailwind CSS and modern frontend development practices.
- Optimize application performance, rendering, bundle size, and data-fetching workflows.
- Implement form validation, routing, authentication flows, and permission-aware UI.
- Write testable, high-quality code and participate in code reviews, debugging, and technical discussions.
- Collaborate with backend engineers to define API requirements, troubleshoot integration issues, and deliver features end to end.
Skills used in this role
What the employer is looking for
- Strong proficiency in JavaScript (ES6+), React, Next.js, and TypeScript.
- Solid understanding of React hooks, component composition, reusable patterns, and modern Next.js architecture.
- Strong knowledge of HTML5, CSS3, responsive design, and Tailwind CSS.
- Hands-on experience with Redux Toolkit, including slices, selectors, and createAsyncThunk.
- Experience integrating REST APIs and working with API contracts, request/response schemas, and TypeScript types.
- Understanding of HTTP methods, status codes, authentication, pagination, filtering, and error handling.
- Ability to manage asynchronous workflows, loading states, failed requests, and data consistency.
- Understanding of React rendering, re-renders, memoization, and component optimization.
- Experience with code splitting, lazy loading, caching, and bundle optimization.
- Understanding of Next.js rendering strategies, including SSR, SSG, Server Components, Client Components, and data-fetching patterns.
- Familiarity with browser developer tools, performance profiling, and Core Web Vitals.
- Proficiency with Git, branching, pull requests, and collaborative development workflows.
- Familiarity with frontend testing using tools such as Jest/Vitest and React Testing Library.
- Understanding of code quality, debugging, accessibility, and frontend security fundamentals.
- Strong problem-solving and analytical skills.
- Writes clean, reusable, maintainable, and well-typed code.
- Understands the reasoning behind architectural and performance decisions.
- Takes ownership of features from development through testing and delivery.
- Communicates effectively and collaborates well with cross-functional teams.
Preferred qualifications
- Experience with AI-assisted and agentic development workflows using tools such as Claude Code, including multi-file changes, codebase exploration, debugging, refactoring, and test generation.
- Ability to effectively guide AI coding agents through well-defined tasks, review generated code, validate results, and maintain code quality, security, and architectural consistency.
- Familiarity with backend technologies such as Node.js, NestJS, or Express.
- Understanding of REST API design, DTOs, validation, authentication, and authorization.
- Experience with Zod or similar schema-validation libraries, and OpenAPI/Swagger.
- Familiarity with RTK Query or TanStack Query for server-state management.
- Experience building enterprise applications, SaaS platforms, dashboards, or data-intensive interfaces.
- Familiarity with role-based access control (RBAC), multi-tenant applications, monorepos, and CI/CD workflows.
- Exposure to Docker and cloud platforms such as Microsoft Azure or AWS.
Benefits and support
- Compensation and benefits are detailed in the job posting
About dentsu
Dentsu Group Inc. is an integrated growth and transformation partner to the world's leading organizations, delivering comprehensive media, customer experience management (CXM), and creative services. Operating globally across approximately 120 countries, the agency combines deep human insights, creative innovation, and advanced data technologies to accelerate business growth. Headquartered in Tokyo, Japan, Dentsu has a rich heritage of shaping the advertising and marketing industry since 1901.
- Industry
- Advertising
- Company size
- 67000+ employees
- Founded
- 1901-07-01
- Location
- Tokyo, Japan
- Funding stage
- Public Company
Funding
Public Company
- 2022-03-29Post Ipo
Leadership
Takeshi Sano
Representative Executive Officer, President & Global CEO
Yoshimasa Watahiki
Representative Executive Officer, EVP & Global Chief Corporate Affairs Officer
Shigeki Endo
Executive Officer & Global CFO
Beth Ann Kaminkow
CEO, Dentsu Americas & Chief Global Client Officer
Yuichi Toyoda
CEO, Dentsu APAC
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