Senior Frontend Developer (4–6 Years Experience)
hard.coded
5 - 10 years
Mumbai
Posted: 29/01/2026
Job Description
UI Architecture Performance System Aware Frontend
We are a product engineering company building a large scale platform powered by microservices and multiple role based portals such as Admin, Tenant, Customer, Supplier and Designer.
Frontend at our company is not treated as a cosmetic layer. It is a core system. We are looking for a Senior Frontend Developer who can own frontend architecture end to end , build high performance user interfaces, and think deeply about how UI, APIs, performance, and deployment work together in production.
This role is for engineers who think like product owners and system designers , not just UI implementers.
Frontend architecture and long term UI scalability
High quality, performance focused user interfaces
System aware frontend design aligned with backend APIs
Frontend performance, maintainability, and UX consistency
Technical leadership for frontend engineering
This is a senior ownership role with real architectural responsibility.
Strong ownership mindset. Frontend is your product
Proven experience building large, production grade frontend applications
Deep collaboration with backend and DevOps teams
Accountability for UI quality, performance, and maintainability
You must have strong hands on experience with:
Next.js
React 18 or above
TypeScript and modern JavaScript
You should deeply understand:
Component driven architecture
Routing, layouts, SSR, CSR, and ISR in Next.js
Frontend performance optimisation including rendering and bundle strategy
Feature based and domain driven frontend architecture
Strong command over:
CSS
Responsive layouts using Flexbox and Grid
UI consistency, accessibility, and design system thinking
Frontend quality and architecture are primary responsibilities, not side concerns.
Experience building complex dashboards and data heavy interfaces
Strong understanding of multi role and permission based UI flows
Ability to convert product requirements into intuitive user experiences
Familiarity with design systems and Figma to code workflows
Hands on experience with Redux Toolkit or equivalent solutions
Clear understanding of UI state versus server state
Ability to refactor complex state logic into clean, scalable patterns
Strong experience consuming REST APIs in microservices environments
Understanding of pagination, filtering, error handling, and API contracts
Frontend handling of authentication, authorization, and role based access
Ability to collaborate with backend teams on API design
You are not expected to build backend services daily, but you must think backend aware.
Working knowledge of Dockerized frontend applications
Environment based configuration across dev, staging, and production
Understanding of frontend build pipelines and CI CD concepts
Ability to debug frontend issues in production
You should understand how frontend code is built, deployed, and served.
Experience using AI tools to speed up development and refactoring
Ability to use AI responsibly without compromising code quality
Curiosity around AI driven UI workflows and developer tooling
Ability to lead frontend architecture discussions
Mentor junior and mid level frontend engineers
Raise the overall frontend engineering bar
Strong sense of long term maintainability and product ownership
- A Senior Frontend Developer with deep expertise in Next.js, React, TypeScript, and CSS , proven experience building large scale production UIs, strong API and backend awareness, working DevOps knowledge, and the mindset to fully own frontend architecture and UI quality in a fast paced product environment.
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