Sr Software Engineer - Full Stack (React, JavaScript)

About this role

## Job Description

## Senior Software Engineer (P9)

Join us at Zendesk, where we're on a mission to power exceptional service for every person on the planet. We're accelerating that ambition by building products rooted in AI, automation, and intelligent customer experiences, because behind every interaction lies an opportunity to make a human connection.

Zendesk is establishing a world-class Research & Development centre in Pune and is hiring a Senior Software Engineer to design and build scalable, reliable systems that power AI-enabled customer experiences. In this role you’ll own meaningful components end-to-end, mentor peers, and partner with Product and Design to deliver high-impact features that help Zendesk scale.

### Summary

As a Senior Software Engineer you will drive the design and delivery of medium-to-large features and services. You’ll be expected to contribute high-quality code, make strong design decisions, improve system reliability and performance, and help develop others through mentoring and technical leadership. Success means shipping customer-focused solutions with strong operational readiness and measurable impact.

### What you’ll be doing

• **Design, build, and maintain robust, scalable microservices and APIs (Java 11+, Vert.x), taking non-trivial features from proposal through implementation, testing, deployment, and production monitoring.**
• **Develop and integrate frontend features (TypeScript/JavaScript, React) and ensure seamless, secure API connectivity (REST, GraphQL) between frontend and backend.**
• **Drive architecture and system design discussions; propose pragmatic solutions that balance speed, scalability, long-term maintainability, and operational cost.**
• **Instrument systems and improve reliability: define SLOs/SLIs, lead post-incident reviews, reduce operational toil, and troubleshoot performance and scalability bottlenecks.**
• **Produce clear, well-tested code and maintain comprehensive au...