Job highlights

- Excellent code review,mentorship,and written communication skills . Track record of shipping at least 1 product at production scale . Bachelors degree in Computer Science,Engineering,or a related field
- The position is well suited to senior frontend engineers with deep React 18+ and Next.js App Router production experience and a track record of building design systems

Job Summary

Unico Connect is seeking a Senior Frontend Developer (React) to lead frontend architecture and design-system implementation across enterprise client engagements. The role owns performance engineering, accessibility, type-safety, and the mentorship that scales the frontend practice. The position is well suited to senior frontend engineers with deep React 18+ and Next.js App Router production experience and a track record of building design systems.

Responsibilities

- Architect Next.js applications including App Router, server components, and edge rendering

- Own design-system implementation in React with Tailwind or CSS-in-JS

- Drive performance including Core Web Vitals, bundle size, code splitting, lazy loading, and edge caching

- Implement accessibility (WCAG 2.2 AA) and SEO best practices

- Mentor 2-3 junior frontend engineers through code reviews, design reviews, and 1:1s

- Partner with designers on design tokens and component API design

- Set frontend testing standards (Vitest,



Playwright, Storybook visual regression)

- Lead production incident response for frontend systems

- Author internal frontend playbooks and onboarding documentation

- Calibrate the frontend interview bar and conduct senior interview loops

- Govern frontend security including CSP, XSS, and CSRF mitigation patterns

Qualifications

- 5+ years of frontend engineering with at least 2 in a senior role

- Deep React 18+ and Next.js (App Router) production experience

- Robust TypeScript fundamentals including generics, type inference, and strict mode

- Production experience building or maintaining a design system

- Deep understanding of browser internals: rendering, layout, performance

- Hands-on with Playwright, Vitest, and visual regression tooling

- Capacity to lead design-engineering handoff with senior designers

- Excellent code review, mentorship, and written communication skills

- Track record of shipping at least 1 product at production scale

- Bachelors degree in Computer Science, Engineering, or a related field

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Sr Frontend Developer (React) (Mumbai)
🏢 Unico Connect
📍 Mumbai