Software Consultant - Modern Integration Platform (Api & Integration Solutions)

Software Consultant - Modern Integration Platform (API & Integration Solutions)

Software Consultant - Modern Integration (API & Integration Solutions)

At ASB, we're more than a bank — we're a purpose-led organisation helping people, communities, and our environment thrive together.

With a proud history and a clear vision to support New Zealanders in getting one step ahead, our work is guided by the values of Courage, Care, and Curiosity.

We're bold in challenging the status quo, we genuinely care about those we work with and serve, and we're always exploring new ideas to improve how we work.

As one of Aotearoa's most trusted banking partners, we offer the scale and stability of a large organisation, while recognising and valuing each person's contribution.

Your ideas, growth, and impact matter here — and you'll be supported to do meaningful work every day.

Mo te Turanga | About the role

Join ASB's Identity & Integration platform, where we deliver fast, reliable, and innovative tech solutions.

As part of the Modern Integration workstream, you'll lead solution design and strategic work for our API and integration platforms—driving transformation with cutting-edge tools and a focus on simplicity, security, and speed.

Key responsibilities

Platform development

– Design and build an API-driven PaaS solution for seamless integration across internal systems.

API design & architecture

– Lead API design using OpenAPI specs, ensuring security, scalability, and performance.

Solution design

– Analyse requirements and design technical solutions that meet functional and non-functional needs (e.g. security, extensibility, maintainability).

Code review

– Assess existing codebases, uphold design principles, and recommend improvements.

DevOps & CI / CD

– Implement and optimise pipelines, automation, and infrastructure using Azure DevOps.

Documentation & standards

– Create clear technical documentation, naming conventions, and integration standards.

Collaboration & mentoring

– Influence API design decisions and support developers with best practice guidance.

We're looking for a seasoned Software Engineer with deep expertise in API design and integration.

You'll bring strong technical leadership, hands-on development skills, and a passion for building secure, scalable solutions.

What you'll bring

5+ years' experience

leading technical design or providing deep expertise in API development and solution architecture

Proven track record

designing and developing APIs (HTTP, REST) with strong architectural knowledge

Expertise in API security

including modern authentication methods and performance optimisation

Advanced .

NET and C# skills

, plus experience with API design tools like Redocly and SwaggerHub

Hands-on DevOps experience

, including CI / CD pipeline setup and automation (preferably with Azure DevOps)

Proficiency in Git

and source control best practices

Strong analytical skills

for technical analysis, requirements gathering, and solution architecture

Clear technical writing

for documentation and design specifications

Experience in

banking, payments, lending

, or

Open Banking systems

Familiarity with

Banking Industry Architecture Network (BIAN)

Te mahi ki ASB | Working for ASB

ASB's sense of who we are and what we stand for is grounded in our values.

They guide our business in our day-to-day interactions with our team, customers and community.

They are what makes ASB — ASB.

Career Growth : Access to learning and development through training sessions, courses, and internal opportunities

Inclusive Culture : Join values-led teams that celebrate diversity and support employee-led communities

Health & Wellbeing : Southern Cross Wellbeing One health insurance, lifestyle and volunteering leave, and mental wellbeing support

Meaningful Benefits : Enjoy discounted banking, insurance, and a generous parental leave top-up

Impactful Work : Be part of a purpose-led organisation that makes a difference for New Zealanders

Join a team where your expertise is valued, your ideas drive change, and your growth is supported every step of the way.

If you're passionate about technology and want to make an impact, this is your chance.

Ready to take the next step?

Apply today.

To serve a diverse community, we need a diverse organisation.

We encourage applicants from all backgrounds who bring unique perspectives and thinking styles that add to the culture and performance of our team.

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