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
Location: Manyata Tech Park, Bangalore (Hybrid)
Business & Team: CommSec is Australia's largest online retail stockbroker. It is one of the most highly visible and visited online assets in Australian financial services. CommSec’s systems utilise a variety of technologies and support a broad range of investors. Engineers within CommSec are offered regular opportunities to work on some of the finest IT systems in Australia, as well as having opportunity to develop careers across different functions and teams within the wider Bank.
Impact & contribution:
You will contribute to the financial well-being of 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. If you have a history of building a culture of empowerment and know what it takes to be a force multiplier within a large organization then you’re the kind of person we are looking for.
Roles & responsibilities:
Provide technical leadership and architectural direction across the High-Net-Worth technology portfolio, with a particular focus on Banker Workbench and Private Banker experiences
Shape and deliver the technical integration of Private Banking capabilities into Banker Workbench, working closely with the teams that own and develop the platform
Drive complex technical problems from ambiguity to resolution — establishing a clear recommendation, building stakeholder alignment and ensuring decisions translate into executable engineering outcomes
Work hands-on where your involvement adds the greatest value, including prototypes, complex implementation work, code reviews and solving difficult engineering problems alongside the team
Design and guide scalable, secure and resilient services, APIs and integration patterns across a complex enterprise environment
Partner across multiple squads and domains to align architecture, dependencies, sequencing and delivery
Establish and promote reusable engineering patterns and standards that improve delivery speed, quality and operability
Champion modern engineering practices across automated testing, CI/CD, DevSecOps, observability, resilience and production ownership
Apply sound engineering judgement to emerging technologies, including AI and agentic patterns, where they can materially improve banker, operations or customer outcomes
Mentor engineers, provide technical coaching and raise engineering capability across the Crew
Challenge constructively, make timely decisions and take ownership of outcomes beyond the boundaries of an individual squad.
Essential skills:
We value deep engineering capability, sound technical judgement and the ability to learn over a checklist of specific technologies.
15+ year of experience in Full stack engineering development role.
Expertise in .NET / C# and modern backend engineering, React and TypeScript, Graph and REST APIs and API-first architecture, Microservices and SQL and NoSQL data stores.
Should be expertise in AWS and cloud-native architecture, Containers and Kubernetes, CI/CD and deployment automation, DevSecOps and secure-by-design engineering.
Automated testing across unit, integration and end-to-end layers.
Experience building AI-enabled applications, working with LLMs or agentic architectures is valuable.
Have designed and delivered large-scale distributed systems, APIs, integrations or customer-facing platforms
Qualification: Bachelor's / master’s degree in engineering/ information systems from an accredited university.
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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Skills Required
- 15+ years of experience in full-stack software engineering development
- Expertise in .NET and C#
- Expertise in modern backend engineering, React, and TypeScript
- Experience with GraphQL and REST APIs, API-first architecture, microservices, and SQL and NoSQL data stores
- Expertise in AWS and cloud-native architecture
- Experience with containers, Kubernetes, CI/CD, deployment automation, and DevSecOps
- Experience with automated unit, integration, and end-to-end testing
- Experience designing and delivering large-scale distributed systems, APIs, integrations, or customer-facing platforms
- Bachelor’s or master’s degree in engineering or information systems from an accredited university
- Experience building AI-enabled applications or working with LLMs and agentic architectures
Commonwealth Bank Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Commonwealth Bank and has not been reviewed or approved by Commonwealth Bank.
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Leave & Time Off Breadth — The bank offers additional Life Leave, the option to purchase up to four extra weeks, pet leave, and paid volunteering leave alongside flexible-working options. Public materials indicate these leave features compare well within Australian banking.
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Parental & Family Support — Permanent employees can access up to 18 weeks of paid parental leave, and superannuation is paid for up to 34 weeks of unpaid parental leave. These provisions extend support for new parents beyond standard settings.
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Wellbeing & Lifestyle Benefits — Access includes CBHS Health Fund, Fitness Passport, a 24/7 wellbeing platform with telehealth, an Employee Assistance Program, and employer‑paid income protection for up to two years, alongside staff banking perks and share plans. This combination provides day‑to‑day value across health, protection, and financial perks.
Commonwealth Bank Insights
What We Do
Australia’s leading provider of financial services including retail, premium, business and institutional banking, funds management, superannuation, insurance, investment and sharebroking products and services. We are a business with more than 800,000 shareholders and over 52,000 employees. We offer a full range of financial services to help all Australians build and manage their finances.
