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whatwhere

Senior Full Stack Software Engineer

Information & Communication Technology / Engineering - Software

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.


Applications open to:

Tags

Senior Full Stack Software EngineerSydneyNew South WalesFull timewhatwhereInformation & Communication TechnologyEngineering - Software