Senior Software Engineer (Chat)

Relevance AI Pty Ltd

Job Overview

Location

Sydney, Australia

Job Type

Full-time

Full Job Description

📋 Description

• Senior Back-End Software Engineer role focused on building and scaling the Chat product, the conversational layer of Relevance AI’s platform that enables real-time, agentic experiences for users interacting with AI agents and productivity tools.
• Day-to-day responsibilities include designing, building, and operating scalable back-end systems; owning mission-critical services from ideation to production; mentoring engineers; influencing engineering standards; and collaborating with product, design, and leadership to align technical direction with business outcomes.
• Relevance AI is a fast-growing, well-funded startup headquartered in San Francisco and Sydney, building the home of the AI workforce with backing from Bessemer Venture Partners, Insight Partners, Peak XV, and King River Capital, and recognized as LinkedIn’s #1 Startup in Australia in 2025.
• The role offers autonomy, real-time impact, and the opportunity to shape engineering culture and systems while working on cutting-edge AI infrastructure used by global enterprises like Canva, Databricks, and Activision Blizzard.

🎯 Requirements

• 4+ years of hands-on software engineering experience in fast-paced, high-growth tech environments
• Strong experience designing, building, and maintaining production back-end systems
• Demonstrated ability to take full ownership of projects, solve complex problems, and deliver high-quality, impactful results
• Deep interest in artificial intelligence and excitement to build innovative, category-defining products
• Regular use of AI tools and technologies in workflow to boost productivity and innovation

🏖️ Benefits

• ESOP – Employee Stock Ownership Plan to grow with the company
• AI Productivity Benefit – Up to $1200 USD/year for AI tools, courses, and learning resources
• Parental Leave – 12 weeks paid for all eligible new parents, plus an additional 6 weeks for the birthing parent
• Food, Drinks & Community – Free breakfasts, healthy snacks, stocked fridge, team lunches Thu/Fri, Uber Eats dinners, and regular catered office meals
• Sonder EAP – 24/7 mental health and wellbeing support
• Quarterly Team Events – Fun, meaningful team bonding experiences every quarter
• Social Clubs – Opportunity to join or start clubs based on hobbies and interests (e.g., hiking, chess, board games)
• Milestone Merch – Customised Relevance AI swag for work anniversaries

Skills & Technologies

JavaScript

TypeScript

React

Node.js

Express

Senior

Hybrid

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Relevance AI Pty Ltd

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About Relevance AI Pty Ltd

Relevance AI offers a low-code platform that lets teams build, deploy and manage AI agents and workflows at scale, integrating vector search, embeddings and LLM tooling into existing data stacks without heavy infrastructure work.

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