Posted 11/06/2026
Closes 25/06/2026
North Sydney, 2060, Sydney, New South Wales
Full time
Not specified
Senior Full Stack Software Engineer
A well-capitalised and ambitious tech start-up is looking for a Senior Full Stack Engineer to lead and support critical enterprise technology services across software development, cloud infrastructure, and enterprise application operations.
WhatWhere (whatwhere.io) is an early-stage platform that combines an online booking and customer management system with a meta-search feature. It empowers users to publish, discover, offer, and book services seamlessly.
Backed by investors with deep experience in the tech and services industry, this business is entering an exciting phase of growth.
Sydney based, hybrid role. $150-$180k package.
The Role
This role will see you working across the full software development lifecycle, building robust backend services while developing responsive frontend experiences.
Key Responsibilities
Design, develop, and maintain scalable applications using Javascript
Develop and maintain AWS backend services
Work across both frontend and backend components in a modern full-stack environment
Contribute to system architecture, technical design, and solution improvements
Troubleshoot, debug, and resolve production and application issues
Participate in code reviews and promote engineering best practices
Ensure solutions are secure, performant, maintainable, and scalable
Experience Required
Strong commercial experience developing applications
Solid frontend development experience using Javascript
Experience working across full-stack application development
Strong experience with AWS services and cloud-native development
Experience developing and consuming APIs
Strong understanding of software engineering best practices and design principles
Experience with PostgreSQL Framework
Strong problem-solving and communication skills
The Opportunity
Genuine platform-building role with real influence over strategy.
5-year growth horizon backed by material investors with a strong Australian track record.
Hybrid role / Sydney based.