Senior Full Stack Developer

Worker Type:

Permanent

Here at BNZ, it's about more than just banking. We work together in an agile, energising environment to create innovative solutions through our promise "If you can imagine a better future, let's find a way."

We support wellbeing, flexible working and have a generous leave offering. There is the opportunity for growth, learning and career development. No two days are the same.

Customer, Onboarding and Identity Domain (COI) is responsible for digitally identifying, authorizing, capturing, storing and protecting information about our customers.

Team Maverick make it easy for our consumers to manage customer information through safe and simple services.

This is a Wellington based hybrid role with three days in the office and two days where you can work flexibly. Anchor days in the office are Tuesday and Wednesday, and either a Monday or Friday.

Mō te Tūranga | About the Role

We sat down with the People Leader (who you would report to) and they told us the following about the role:

What are 5 day-to-day tasks the person in this role will complete?

• Deliver Outcomes: Take ownership of well-defined features or technical problems, driving them to completion in a timely and reliable way. Contribute to production support and on-call activities to help maintain system reliability and respond to operational issues.
• Demonstrate Technical Excellence: Apply solid engineering principles to design, implement the Microservices & APIs - Build robust, scalable, maintainable microservices - RESTful APIs using Java (Spring Boot) and test, maintain code and ensuring the best practices.​
• Solve Problems: Break down moderately complex problems into clear, achievable tasks. Seek input when needed and contribute ideas to help others do the same.
• Manage Risk and Quality: Write code and design systems that are resilient and observable. Surface risks early and participate in code reviews & quality processes to maintain standards.
• Collaborate and Influence: Work effectively with teammates and cross-functional partners. Communicate clearly and constructively and contribute to a positive team culture.
• Grow Self and Others: Seek feedback and reflect on it to grow your own capability.  Share knowledge with colleagues through pairing, documentation, or informal mentoring.

What is the team culture and environment like?

• Our team culture is collaborative, innovative, and results-driven. We prioritize open communication, continuous learning, and accountability, ensuring everyone feels empowered to contribute. The environment is fast-paced yet supportive, fostering teamwork and problem-solving.
• We value inclusivity, respect diverse perspectives, and maintain a balance between high performance and well-being to drive both individual and business success.

What projects / work will the candidate be working on now and into the next year?

The candidate will be working for customer APIs integration part as part of Maverick team.

Here Are The Expected Responsibilities:

• Taking a leadership approach in thinking critically and laterally about API design, development, mitigating project risks through an appropriate approach, and exploring the APIs/ Services/ applications to expose vulnerabilities beyond the business requirements.
• Working with BA’s and testers to develop the restful API services in spring boot framework.
• Working with their agile team to develop a common understanding of the business requirements, and understanding underlying business intent, procedures and systems.
• Clearly communicating the status and blocker issues to the business and their agile team. 
• Contributing to a shared focus on creating great user experiences.
• Participating in agile ceremonies including stand up, retrospective, planning and demonstration. Undertaking non-development related activities to assist the team to deliver on its commitments.
• Actively leading development principles and practices with their agile team. Keeping up to date and sharing new developments and agile practices, along with new technologies used in delivering solutions to users.
• Undertake timely engagement and ongoing communication with key stakeholders to ensure requirements are being met and expectations are being managed.

What is your management style?

My management style is collaborative and results-driven. I adapt my approach based on the situation—coaching when needed and delegating to build trust. My focus is on delivering high-quality results while ensuring team growth and efficiency."

What is the most challenging thing about this opportunity?

Some of our APIs are .net based application and legacy services. Hence it’s good to have .Net basic knowledge as developer.

What technical skills are REQUIRED for this role?

Essential:​

• Design, develop, and maintain RESTful APIs using Java (Spring Boot) and good experience in Kubernetes framework, Monitor and troubleshoot applications.​
• Understanding of containerization and deployment via Docker and Kubernetes. Familiarity with API security standards (OAuth2, JWT, TLS).​
• Build and deploy modular microservices aligned with domain-driven design principles. ​
• Work with relational databases (e.g. PostgreSQL, MySQL) and manage cloud DBs like AWS RDS or Aurora. Implement unit and integration testing to ensure software reliability.​
• Use Git/GitHub or Bitbucket for version control, pull requests, and collaboration.​
• Collaborate within Agile teams and participate in code reviews and sprint ceremonies.​

Desirable:​

• Experience with message brokers like Apache Kaffka, Kknowledge of CI/CD tools such as Jenkins, GitHub Actions, or Pinnacle.​
• Good to have API development and maintenance/ support experience in .Net.
• Familiarity with cloud platforms (AWS/Azure), including services like EKS, ECS.​
• Experience with monitoring and observability tools (e.g., Splunk, Grafana, CloudWatch).​Undertake timely engagement and ongoing communication with key stakeholders to ensure requirements are being met and expectations are being managed.

Why did the last person leave this role?

Change In Career.

PLEASE NOTE: Advertising for this position closes Monday 13 October at 11:59pm.

We review applications as they are received and may close advertising early.

Nau Mai ki te Pēke o Aotearoa | Come to the Bank of New Zealand

This is an exciting opportunity to join us!  We're bold thinkers who are taking brave steps to create a company that people want to work for, and customers want to bank with. If you're ready to join a fun organisation where we are proud of our culture and how we are helping New Zealander's to 'Find their way', then show your interest by submitting your application - we can't wait to read it. 

Ehara taku toa i te toa takitahi, engari he toa takitini" - Success is not the work of an individual, but the work of many.”

Closing Date: 13 October 2025

Applications will be reviewed regularly across the advertising period, but we do reserve the right to close applications early.