Senior Frontend Engineer - Mumbai

Frontend Engineer role at SiftHub, owning frontend architecture, performance, reliability, and user experience across the web app, Chrome extensions, Microsoft add-in, and Google Sheets integration.

Company Details

SiftHub is an Agentic Platform for Deal Orchestration. We deploy agents to automate sales collateral, deal briefs, RFPs, and post-meeting follow-ups; unblocking deals for sales and solutions teams. SiftHub collates and sifts through your ecosystem (Drive, Gong, CRM, Slack, and more) to identify and convert real-time deal signals into tailored content and ready-to-execute actions. Designed to replicate how top-performing reps execute deals. Trusted by revenue teams at Saviynt, Everlaw, Allego, Superhuman, Sirion and more.

Website: SiftHub

Requirements

• 3 years of production experience with React and TypeScript.
• Strong understanding of modern frontend stack including React, TypeScript, Redux or Flux, Webpack, and testing frameworks such as Jest, Mocha, Enzyme, or React Testing Library.
• Experience building for platforms beyond web apps such as browser extensions, Office add-ins, or spreadsheet integrations.
• Understanding of platform constraints, lifecycle, and edge cases across Chrome Extension APIs, Office.js, Google Sheets API, and service workers.
• Strong opinion on component design and state management, with the ability to reason about trade-offs and not just implement.
• Experience with performance profiling and optimization in production environments.
• Writes tests as a core part of development, not as an afterthought.
• Strong grasp of UI principles with the ability to build clean, accessible, and maintainable interfaces, and clearly articulate design decisions.
• Currently working in the SaaS domain.
• Currently working at a product-based organization

Responsibilities

• Own the SiftHub Chrome extension, Microsoft add-in, and React/TypeScript web application layer — architecture, performance, reliability, and cross-surface compatibility.
• Work across Chrome extension APIs, Office add-in constraints, Google Sheets integration, and web app parity.
• Own component systems and design token infrastructure that the team builds on.
• Own frontend performance including load times, rendering, memory, and extension lifecycle.
• Collaborate with NLP and Backend engineers to integrate AI outputs into clean, responsive UIs.
• Maintain the frontend code quality bar through reviews, patterns, and technical standards.
• Work on genuinely hard AI problems, not CRUD apps.
• Work directly with founders.
• Use best-in-class dev tools and AI assistants to do your best work.

Job Details

BKC, Mumbai — Work from Office.

Interview Process

• Initial Screening
• Technical Interview
• Technical/Problem-Solving Round
• Founder Round

Important Note

ClanX is a recruitment partner, helping SiftHub hire a Frontend Engineer.