Commonwealth Bank of Australia
Principal Software Engineer
Commonwealth Bank of Australia is hiring a Principal Software Engineer in Bengaluru, India. Level rates it ; you can apply on Level.
AI in this role
Lead mobile software development and architecture for Android and iOS applications at CommBank.
Organization:
At CommBank, we never lose sight of the role we play in other people’s financial wellbeing. Our focus is to help people and businesses move forward to progress. To make the right financial decisions and achieve their dreams, targets, and aspirations. Regardless of where you work within our organisation, your initiative, talent, ideas, and energy all contribute to the impact that we can make with our work. Together we can achieve great things.
Job Title: Principal Software Engineer – Android & iOS Mobile Development
Location: Bangalore-Manyata Tech Park
Business & Team: Business Banking - CCD
Impact & Contribution:
We are seeking a highly skilled and experienced Android & iOS Mobile Development Principal Engineer to join our dynamic team. The ideal candidate will have a strong background in mobile software development, testing, and automation, with a passion for DevOps and a systematic approach to solving complex problems. This role requires excellent debugging and troubleshooting skills, and a deep understanding of the infrastructure that runs mobile applications. The candidate would apply advanced technical knowledge to deliver key strategic solutions which addresses business problems.
The candidate would contribute to building a brighter future for our customers by ensuring that our team builds the best solutions possible using modern development practices that ensure both functional and non-functional needs are met.
Roles & Responsibilities:
Independently oversee multiple projects ensuring that all functional and non-functional requirements are met.
Utilise strong understanding of core business and technical strategies to deliver best business outcomes.
Analyse systems and applications and provide recommendations for enhancement and development.
Develop and deploy high quality software solutions using Mobile framework.
Collaborate with other teams across the enterprise to ensure the successful delivery of solutions.
Provide mentoring and technical assistance to other members of the team. Troubleshoot complex deployment and environment issues.
Drive strategic practice development and provides technical assistance to the team.
Assist with preparation and documentation of deployment and configuration scripts for development, test and production environments.
Provide high level estimates for large projects.
Essential Skills:
16+ Years of strong experience in developing production scale mobile applications.
Experience in creating high level solution architecture flows.
Experience in BIAN architecture
Experience in Microservices Architecture
Strong understanding & working experience of Android Architecture like Clean Architecture principles, MVVM pattern, MVVM-C pattern, Coordinator pattern, Repository pattern and Dependency injection (Hilt/Dagger).
Strong understanding & working experience of Android Technologies like Jetpack Compose (modern UI framework), AndroidX libraries, Gradle build system, Android Testing frameworks (JUnit, Espresso, Kakao), Xcode 26+ (current toolchain), Unit, snapshot, and UI/integration testing.
Strong understanding & working experience of Code Quality Tools like Detekt static analysis, Android Lint, SwiftLint, SwiftFormat and SonarQube.
Strong understanding & working experience of Kotlin Programming concepts like co-routines, collections and functional programming patterns.
Strong understanding & working experience of Swift Programming (Swift 5.7+, Swift 6.x-ready). Should be familiar with concepts like async/await, structured concurrency, strict concurrency models and protocol-oriented design.
Strong understanding & working experience of iOS Technologies like SwiftUI, iOS 15, state management, view composition, and performance considerations.
Good understanding of CI/CD tools like GitHub Actions, build pipelines.
Good understating of Mobile testing methodologies like Unit Testing, UI automation, snapshot coverage.
Good understanding & experience of Monorepo applications — Product-cluster organisation, feature module boundaries, modularisation at scale.
AI Mindset — Comfortable iterating with AI tools, knows when to trust them and when to verify; treats prompt quality as a skill
Education Qualifications:
Bachelor’s degree or Master’s degree in Engineering in Computer Science/Information Technology
If you're already part of the Commonwealth Bank Group (including Bankwest, x15ventures), you'll need to apply through Sidekick to submit a valid application. We’re keen to support you with the next step in your career.
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Advertising End Date: 29/11/2026How we rate this
Principal Software Engineer at Commonwealth Bank of Australia rates 0 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.
Little AI. AI is not part of the work.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Open the description and count.
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Pay
- Typical software engineer job
- $168k
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Questions you could be asked
- Tell me about a project where mobile development was part of your work. What did you do?
- Tell me about a project where software architecture was part of your work. What did you do?
- Tell me about a project where devops was part of your work. What did you do?
- Tell me about a project where troubleshooting was part of your work. What did you do?
- Walk me through how you've used Android in your day-to-day work.
Adapt your resume
- List these exact terms on your resume: Mobile Development, Software Architecture, Devops, Troubleshooting, and Android. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
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