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Senior Software Engineer (iOS)

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Senior Software Engineer (iOS) in Australia

  • CoStar Group
  • Full time
  • Email
  • Sydney

Responsibilities

  • Drive the technical direction of the iOS squad and ensure solutions are scalable, resilient, and aligned with broader technology strategy.
  • Lead the design and implementation of architecture patterns and turn technical vision into practical solutions.
  • Own service health and performance while identifying optimisation opportunities and reducing technical risk.
  • Champion testing, documentation, code quality, and continuous improvement of software development practices.
  • Evaluate emerging technologies and lead innovation initiatives that improve platform capabilities and business outcomes.
  • Mentor and coach engineers and contribute to a culture of continuous learning and engineering excellence.
  • Partner with Product, Design, Engineering, and other stakeholders on technical roadmaps, delivery outcomes, risk management, and knowledge sharing.
  • Act as a technical advisor for the squad and support technical decisions and delivery guidance.

Requirements

  • 5+ years of hands-on experience developing native iOS applications.
  • Proven track record delivering scalable mobile solutions and major mobile features within high-performing engineering teams.
  • Experience building customer-facing or enterprise-grade applications in Agile environments.
  • Demonstrated experience mentoring engineers and improving engineering practices and processes.
  • Ability to collaborate with Product, Design, and Engineering stakeholders to shape technical roadmaps and outcomes.
  • Deep expertise in Swift, iOS SDK, SwiftUI, UIKit, and architecture patterns such as MVVM, VIPER, or TCA.
  • Strong understanding of mobile performance optimisation, testing practices, REST or GraphQL API integration, and microservices-based architectures.
  • Proficiency with Git, CI/CD pipelines, accessibility standards, and mobile development best practices.

Benefits

  • Generous compensation and performance-based incentives are offered.
  • Benefits include extra days of annual leave, leadership development programs, LinkedIn Learning, and Perkbox discounts.
  • The employer promotes an inclusive and equitable workplace and offers recruitment-process adjustments for candidates with disabilities.
  • The role is associated with Domain, part of CoStar Group, in Australia.

CoStar Group

CoStar Group builds subscription databases, analytics, and online marketplaces for commercial and residential real estate professionals, investors, and advertisers. Its portfolio includes CoStar (research and data), LoopNet (commercial listings), and Apartments.com (rental listings), generating r...

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