SDE 1 - Frontend

Sifthub; Mumbai; On-site; INR 1,200,000 - 2,400,000; Full time

Benefits offered by this job

Health insurance

In-office in Mumbai

Job summary

SiftHub in Mumbai is looking for a frontend engineer to own the Chrome extension, Office add-in, and React/TypeScript web app. You will drive architecture, performance, and cross-surface compatibility, collaborating with NLP and backend teams to present AI-driven outputs in clean UI.

We expect 1–3 years of production React/TS experience, strong testing mindset, and a passion for scalable UI design and performance optimization.

Qualifications

• Bachelor's or Master's degree in Computer Science or related field.
• 1-3 years of production experience with React and TypeScript.
• Strong understanding of React/TS/Redux/Flux, Webpack and testing frameworks (Jest, Mocha, Enzyme).
• Experience building for browser extensions, Office add-ins, or Google Sheets integrations.
• Strong opinion on component design and state management with trade-offs.
• Experience with performance profiling and production optimization.
• Writes tests as a core part of development and maintains UI quality.

Responsibilities

• Own the SiftHub Chrome extension, Office add-in, and React/TypeScript web app.
• Develop component systems and design token infrastructure.
• Improve frontend performance: load times, rendering, memory usage.
• Collaborate with NLP and Backend engineers to integrate AI outputs into UIs.
• Maintain high code quality through reviews and established patterns.

Skills

React

TypeScript

Redux

Web performance

Testing

UI/UX principles

Cross-browser extensions

Office add-ins

Google Sheets API

Education

Bachelor's or Master's in Computer Science

Tools

Webpack

GitHub Actions

AWS

Job description

About SiftHub

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.

Why This Role Exists

SiftHub reaches users across multiple surfaces, a web app, a Chrome extension that surfaces AI intelligence mid-call and mid-workflow, a Microsoft add-in for Office users, and a Chrome extension for Google Sheets. The frontend experience is the product. We need an engineer who can own it across all of these: architecture, performance, and the bar enterprise users will hold us to.

What You\'ll Own

• The SiftHub Chrome extension, Microsoft add-in, and React/TypeScript web application layer — architecture, performance, reliability, and cross-surface compatibility (including Chrome extension APIs, Office add-in constraints, Google Sheets integration, and web app parity)
• Component systems and design token infrastructure that the team builds on
• Frontend performance: load times, rendering, memory, and extension lifecycle
• Collaboration with NLP and Backend engineers to integrate AI outputs into clean, responsive UIs
• Code quality bar: reviews, patterns, and technical standards for the frontend team

Must-have:

• Bachelor\'s or Master\'s degree in Computer Science or a related field, or equivalent practical experience
• 1-3 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. You understand 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

Good to have:

• Experience with content scripts, background workers, and extension messaging patterns
• Experience working with AWS and CI/CD tools such as GitHub Actions
• Experience at a B2B SaaS company with an understanding of enterprise UI expectations
• Exposure to AI or LLM-powered product surfaces

Who You Are

• You care about the last 5%, the micro-interactions, edge cases, and polish that separate good from great
• You push back on UX decisions when something does not feel right, and you have the design intuition to back it up
• You are energised by the ambiguity of early-stage product and can build a path when there is not one
• You take ownership end to end, from design review to production monitoring
• You communicate clearly across disciplines and can work effectively with designers, PMs, and backend engineers

What We Offer

• Work on genuinely hard AI problems, not CRUD apps
• Direct access to founders
• Access to best-in-class dev tools and AI assistants to help you do your best work
• Health insurance
• In-office in Mumbai, we value building together in person