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, 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: Bangalore
Business & Team: The Technology Team is responsible for the world-leading application of technology and operations across every aspect of CommBank, from innovative product platforms for our customers to essential tools within our business. We also use technology to drive efficient and timely processing, an essential component of great customer service. CommBank is recognised as leading the industry in IT and operations with its world-class platforms and processes, agile IT infrastructure, and innovation in everything from payments to internet banking and mobile apps.
The Group Security (GS) team protects the Bank and our customers from cyber compromise, through proactive management of cyber security, privacy, and operational risk. Our team includes:
- Cyber Strategy & Performance
- Cyber Security Centre
- Cyber Protection & Design
- Cyber Delivery
- Cyber Data Engineering
- Cyber Data Security
- Identity & Access Technology
- Fraud Management
Impact & Contribution:
As a Principal Software Engineer within Group Security, you will be responsible for implementing designs that align with the Group Security Architecture. You will develop solutions and guide design to drive outcomes across Core Product Systems within Group Security To ensure the Group achieves a sustainable competitive advantage. Your role will encompass various aspects such as Engineering, Automation, DevSecOps, and Engineering Quality and Productivity. You will utilize advanced technical expertise to achieve business outcomes and support the technical strategy of the team. You will be responsible for design analysis and the estimation process from Business Case, ideation, discovery, and inception phases.
Roles & Responsibilities
- Lead the design and architecture of secure, scalable, and supportable API and platform solutions, ensuring alignment with enterprise security and architectural standards.
- Drive technical strategy, engineering standards, cloud-native adoption, DevSecOps practices, and continuous improvement across security platforms and services.
- Collaborate with engineering, architecture, product, and security stakeholders to deliver integrated end-to-end solutions, while providing technical leadership, mentoring, and guidance to engineers.
- Lead evaluation of emerging technologies and conduct Proof of Concepts (PoCs), including AI/LLM capabilities where relevant, to accelerate innovation and improve engineering outcomes.
Technical Skills & Experience
- 14+ years of software engineering experience with strong expertise in designing and building enterprise-scale REST APIs and microservices.
- Deep expertise in enterprise backend engineering (Java/Spring Boot or .NET Core/C#) and Python(must have) and modern API development patterns, with experience building secure, scalable cloud-native services.
- Strong understanding of software architecture, distributed systems, secure coding practices, API security (OAuth2, OIDC, JWT), and object-oriented design principles.
- Experience designing and implementing secure-by-design solutions in enterprise environments.
- Strong experience in building and operating cloud-native services using infrastructure as a code such as terraform, Cloud formation templates etc.
- Hands-on experience with AWS services such as API Gateway, Lambda, EKS/ECS, IAM, VPC, Security Groups, Load Balancers, and CloudWatch.
- Experience building scalable, resilient, and secure platforms in cloud environments.
- Experience implementing DevSecOps practices, CI/CD pipelines, security automation, observability, and troubleshooting across cloud-native platforms.
- Ability to drive architecture decisions, engineering standards, and platform strategy across teams.
- Proven track record of delivering high-impact engineering outcomes and influencing stakeholders across the organisation.
- Experience working in security, risk, compliance, fraud, identity, or other enterprise platform domains is desirable (Nice to Have).
- Exposure to AI/LLM-enabled engineering solutions and security automation (Nice to Have).
Soft Skills
- Strong communication and presentation skills, with the ability to influence stakeholders and drive alignment across teams.
- Strong analytical and reasoning skills, combined with the ability to challenge the status quo and drive innovative thinking.
Education Qualifications
- Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or a related discipline.
- AWS certification such as AWS Certified Solutions Architect or AWS Certified Developer is desirable.
Security-related certifications are desirable.
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.
We're aware of some accessibility issues on this site, particularly for screen reader users. We want to make finding your dream job as easy as possible, so if you require additional support please contact HR Direct on 1800 989 696.
Skills Required
- 14-18 years experience building REST APIs and microservice architecture
- Proficiency in Java/J2EE
- Proficiency in TypeScript and JavaScript
- Proficiency in Python
- Experience with AWS services: Lambda, API Gateway, EKS, IAM, Elastic Beanstalk, Fargate, VPC, Subnets, Route Tables, Load Balancers
- Experience with DevOps/CI-CD tools: GitHub, GitHub Actions, SonarQube, TeamCity, Jenkins, Docker, Kubernetes, Grafana
- Experience with monitoring/logging: Splunk, AppDynamics, CloudWatch, Prometheus
- Strong understanding of application architecture, object-oriented design, software best practices
- Excellent debugging and troubleshooting skills on AWS technologies
- Experience with frontend technologies React and Next.js
- Experience with backend technologies .NET Core, C#, ASP.NET, and Spring Boot
- Experience with Infrastructure as Code (Terraform, CloudFormation)
- Strong technical leadership and mentoring capabilities; extensive experience leading large-scale engineering teams and projects
- Knowledge and experience in Generative AI, Large Language Models (LLM), and AI/ML platforms
- Bachelor's or Master's degree in Computer Science, Information Technology, or related engineering discipline
- Certifications such as AWS Certified Solutions Architect or AWS Certified Developer or CompTIA CySA+
- Ph.D. (good to have)
- Patents in relevant fields (plus)
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.
-
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.
-
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.
-
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.
