Job Description

About the Role

As a Senior Frontend Engineer at Sage, you will contribute and lead in the design, development, and delivery of features for a high-quality SaaS solution that exceeds customer and business partner expectations. You will work closely with product managers and designers and proactively share your own knowledge of frontend technologies and practices with the wider team. We are looking for someone with 7+ years of professional experience in frontend engineering. Proficiency in English, written and verbal, is required.

We value humility and collaboration. We are looking for people who can work as part of a team, not in silos. We expect engineers to take ownership beyond just writing code, including tests, documentation, and long-term code quality.

Location: Bangalore, India. This is a hybrid role, three days per week in the office.

Required Skills

• 7+ years of professional experience in software development for scalable, web-based applications.
• Proficiency in English, written and verbal, is required.

Core languages & frameworks

• Robust TypeScript (strict)



and modern JavaScript (ES Modules, async).
• Deep React experience (hooks, composition, performance); React 19 / React Compiler a plus.
• Solid HTML5, CSS3, and responsive/accessible UI fundamentals.

Build & tooling

• Modern build tooling Vite (or Webpack/Rollup); code splitting and bundle optimization.
• Git and pull-request workflows; monorepo experience (Nx) a plus.
• Linters/formatters (Biome, ESLint/Prettier) and CI discipline.

State & data

• State management with Redux Toolkit, XState (state machines), and/or TanStack Query.
• RxJS / reactive streams.
• Consuming REST APIs; JWT/OAuth2 bearer auth on the client; robust error handling.

Styling & design systems

• Tailwind CSS, MUI (Material UI), styled-components/Emotion.
• Working with a design-token system for brand consistency.

Data grids & performance

• Complex data grids (ag-Grid Enterprise preferred, or TanStac

📌 Senior Engineer (Bengaluru)
🏢 Sage
📍 Bengaluru