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Senior Software Engineer – Fullstack

Job Overview

Location

Australia

Job Type

Full-time

Category

Full-Stack Engineer

Date Posted

March 3, 2026

Full Job Description

📋 Description

  • Join Zendesk, a leader in customer experience solutions, and play a pivotal role in shaping the future of automation with our cutting-edge low-code/no-code platform, Action Builder.
  • As a Senior Fullstack Engineer, you will be instrumental in developing end-to-end product capabilities, spanning from robust backend services and APIs to intuitive frontend experiences that simplify complex automation workflows.
  • You will be part of a dynamic, cross-functional squad, collaborating closely with talented frontend and backend engineers, skilled designers, and insightful product managers to deliver high-impact features.
  • These features will be utilized by thousands of businesses globally, serving millions of end-users and driving significant improvements in customer support automation.
  • Your daily responsibilities will involve building sophisticated features across the entire technology stack, leveraging modern tools such as TypeScript, React for the frontend, and Go and/or Java for backend services.
  • You will be responsible for designing and evolving critical backend APIs and integration boundaries, utilizing both REST and GraphQL, and ensuring seamless collaboration with platform and partner teams.
  • A key aspect of this role is owning significant architectural decisions for both frontend and backend systems, with a constant focus on balancing usability, performance, scalability, and long-term maintainability.
  • You will contribute to the development and maintenance of systems that power workflow execution, ensuring high levels of reliability, observability, and enabling safe, iterative development at scale.
  • You will champion engineering best practices, including performance optimization, accessibility standards, robust testing strategies, and ensuring operational readiness for all developed systems.
  • Beyond technical contributions, you will actively mentor junior teammates, participate in and contribute to squad rituals, and play a key role in elevating the overall standard of full-stack engineering practices within the team.
  • This role offers a unique opportunity to work on a foundational product that is central to Zendesk's next-generation iPaaS offering, directly influencing the direction of customer support automation.
  • You will contribute to a platform that empowers teams to design powerful workflows without extensive coding, integrating apps, data, and AI-powered agents to automate tasks and streamline operations efficiently.
  • The work involves tackling challenging problems in distributed systems, event-driven architectures, and building extensible, platform-like products.
  • You will be part of a mission-driven company dedicated to making customer experiences effortless and building impactful products.
  • The role is based in Victoria, Australia, with flexible hybrid/remote work arrangements available, fostering a healthy work-life balance.
  • You will be part of a vibrant and inclusive culture with a strong engineering community, supported by opportunities for learning and development, including clear career growth paths and educational budgets.
  • Zendesk is committed to fostering global diversity, equity, and inclusion, and this role is an opportunity to contribute to that mission.
  • Apply now to help build the future of business automation where low-code meets AI, driving the next wave of customer experience innovation.

Skills & Technologies

JavaScript
TypeScript
Java
Go
React
Full Stack
Senior
Remote

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About Zendesk, Inc.

Zendesk, Inc. provides cloud-based customer service and engagement software that unifies support, sales, and customer communications. Its platform includes ticketing, messaging, knowledge bases, voice, AI bots, analytics, and workforce tools, integrating email, chat, social, phone, and self-service channels. Founded in 2007 and headquartered in San Francisco, the company serves over 100,000 paid customer accounts across industries worldwide, helping organizations improve customer satisfaction, agent productivity, and operational efficiency through scalable, open, and secure solutions.

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