About the Role Techylla is looking for a Senior Frontend Developer who doesn't just write components - who builds experiences people actually enjoy using. This is a role for someone who's already fluent in the modern React ecosystem and wants to bring that craft to quick-moving, client-facing products from day one. You'll own the front-end architecture for enterprise-grade applications — working with the latest React patterns, performance techniques, and tooling, alongside a team that values clean code, thoughtful UX, and shipping fast without cutting corners.

If you're the kind of developer who reaches for the newest stable tooling because it makes the product better (not just because it's new), this role is built for you. We need someone who can start immediately and hit the ground running — no lengthy ramp-up, no hand-holding on fundamentals.

Why This Role Stands Out Work with the newest stack: React 19, Next.js App Router, Type Script, and modern state/data tooling — not a legacy codebase you'll spend a year modernising Own the front end end-to-end: From architecture decisions to performance and accessibility — your calls shape the product Direct client visibility: Work closely with US-based stakeholders and see your work ship to real users, fast Immediate impact: Join a lean, high-trust team where a strong contributor is felt from week one, not lost in process Must-Have Qualifications Overall experience: 5–8 years of hands-on front-end development experience, with strong, demonstrable expertise in React Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related discipline Immediate availability: Available to join within 0–15 days — this is a mandatory requirement for this role1. Core React &

- Modern Front-End Engineering React (latest): Strong hands-on experience with React 18/19, functional components, Hooks, Concurrent Rendering, and Suspense Next.js: Practical experience with the App Router, Server Components, SSR/SSG/ISR, and route-level optimization Type Script: Strong typing discipline across components,



hooks, and API contracts State & data management: Redux or Redux Toolkit for client state, and Tan Stack Query (React Query) or SWR for server-state/data-fetching Styling: Tailwind CSS, CSS-in-JS (styled-components/Emotion), or modern CSS Modules with responsive, design-system-driven UI2. Performance, Quality &
- Tooling Build tooling: Vite or Turbopack, module federation/micro-frontend exposure a strong plus Testing: Jest, React Testing Library, and Playwright or Cypress for end-to-end coverage Performance engineering: Code-splitting, lazy loading, bundle analysis, Core Web Vitals optimization Component systems: Experience building or consuming design systems with Storybook Accessibility: Working knowledge of WCAG standards and semantic, accessible component design3. Integration &
- Collaboration API integration: REST and Graph QL (Apollo Client or urql) consumption experience Version control &
- CI/CD: Git-based workflows, PR review discipline, and familiarity with CI/CD pipelines (Git Hub Actions, Azure Dev Ops, or similar)Cross-functional collaboration: Comfortable working directly with designers, backend engineers, and US-based product stakeholders Preferred Qualifications Exposure to micro-frontend architectures (Module Federation, single-spa)Experience with React Native for cross-platform mobile development Familiarity with AI-assisted development tools (Git Hub Copilot, Cursor) to accelerate delivery Exposure to Web Components or design tokens for multi-framework design systems Prior experience in a client-facing or consulting environment Role &

Responsibilities Design, build, and maintain scalable,



high-performance React applications used by real clients in production Translate UX/UI designs into pixel-accurate, accessible, and responsive components Own front-end architecture decisions — state management, folder structure, rendering strategy, and performance budget Write clean, well-tested, well-documented code and actively participate in code reviews Optimize applications for speed, accessibility, and cross-browser/cross-device compatibility Collaborate directly with backend engineers to define and consume APIs (REST/Graph QL)Contribute to and evolve a shared component/design system Stay current with the React ecosystem and proactively recommend tooling or pattern upgrades Communicate progress, blockers, and technical trade-offs clearly to both technical and non-technical stakeholders Behavioral Attributes Self-starter who can move fast with requirements Strong ownership mentality — treats the product like it's their own Detail-oriented with a genuine eye for UI polish and user experience Comfortable working directly with clients and handling ambiguity Curious and current — actively follows the React/front-end ecosystem rather than working off outdated patterns About Techylla Techylla is a dynamic IT and Consulting organization with operations in the US and India, building modern digital products for global clients. Our core values — Relationship, Commitment, Integrity, and Collaboration — guide everything we do. We invest in our people through knowledge sharing, growth opportunities, and a culture built on trust and ownership.

If you're a React developer who's ready to join immediately and make an impact from day one, we want to hear from you.#Hiring #Now Hiring #Immediate Joiner #React JS #React Developer #UIDeveloper #Front End Developer #Java Script #Type Script #Next JS #Redux #Redux Toolkit #Tan Stack Query #Tailwind CSS #Web Development #Front End Engineering #UIUX #Techylla #Techylla Careers #ITJobs #Tech Careers #Job Opening #Hybrid Jobs #India Jobs #Career Opportunity #We Are Hiring

📌 Senior Frontend Developer (Kolkata Metropolitan Area)
🏢 Techylla
📍 Kolkata Metropolitan Area