Senior .NET Engineer

Help create the next generation of digital credit card experiences at ASB

This is a rare opportunity to join at the beginning of a significant growth journey and help build customer experiences from the ground up.

About NextLend

NextLend is ASB’s next-generation lending platform, supporting home lending, broker lending and a growing range of short-term borrowing products. We’re modernising how lending is delivered, creating simpler, safer and more intuitive experiences for both customers and our frontline teams.

As NextLend continues to grow, it is becoming the single lending platform supporting personal banking customers across ASB. It’s an exciting time to join, with the team expanding and the platform playing an increasingly important role in how we deliver great lending experiences.

About The Squad

The Digital Credit Card squad is a newly established team focused on creating ASB’s future digital credit card application experience.

This is a genuine build opportunity. You’ll help shape new customer journeys, digital experiences and product capabilities from the ground up. Working alongside design, engineering and business stakeholders, you’ll help create seamless digital experiences that make applying for and managing credit cards easier for our customers.

About The Role

As a Software Specialist, you'll become the squad's dedicated .NET engineering specialist, helping design, build and maintain APIs and applications that support ASB's customer identity platform. You'll work on strategic development initiatives, proof-of-concept work, platform modernisation and future roadmap activities, while also contributing to the ongoing reliability and evolution of services that support ASB's digital customer experiences.

This role offers significant ownership and autonomy. You'll work closely with experienced engineers, product leaders and identity specialists while helping shape engineering decisions and driving delivery outcomes across the platform.

Key Responsibilities

• Design, develop, deploy and maintain modern .NET applications and APIs
• Deliver secure, reliable and scalable software solutions that support customer identity services
• Contribute to strategic platform initiatives, proof of concepts and future platform evolution
• Collaborate with engineers, product leaders and technology partners to deliver business outcomes
• Apply sound engineering practices across design, testing, deployment and ongoing support
• Identify opportunities to improve system reliability, quality, automation and performance
• Share knowledge and contribute to engineering best practices across the team
• Support the long-term sustainability and maintainability of critical customer-facing systems

About You

You're an experienced software engineer who enjoys solving complex technical problems and building high-quality software in an enterprise environment. You're comfortable working independently, taking ownership of outcomes and operating within a highly capable team of senior specialists. You'll bring strong .NET development expertise, database skills, a pragmatic engineering mindset and a genuine interest in modern development practices.

Experience within Identity & Access Management, customer identity, authentication, security platforms or related domains would be highly valued, but most importantly, you'll be an excellent software engineer with the curiosity and adaptability to learn new technologies and domains.

Key Skills & Experience

• Strong commercial experience developing applications and APIs using .NET and C#
• Strong database skills, with experience building modern web applications and backend services using databases or directories
• Solid understanding of API design, integration patterns and service-based architectures
• Experience working across the full software development lifecycle
• Knowledge of authentication and security concepts such as OAuth, tokens and identity services
• Experience working in complex enterprise technology environments
• Ability to work autonomously while collaborating effectively within cross-functional teams
• Strong problem-solving and communication skills
• Exposure to Java-based applications is advantageous but not essential
• Kafka experience and React front-end development experience are nice to have
• Experience using AI-assisted engineering tools such as GitHub Copilot or similar technologies to improve development productivity and effectiveness is highly regarded

Why This Role Is Exciting

This is one of the most strategic digital product opportunities within NextLend. You’ll be joining at the start of a major growth phase and will have the opportunity to influence how future credit card experiences are designed and delivered at ASB.

Working for ASB

At ASB, we’re committed to helping our people grow, develop and do their best work. You’ll be joining a supportive environment where your contribution is valued and your development matters.

Benefits Include

• Flexible and hybrid ways of working
• Competitive salary and banking benefits
• Opportunities for learning, development and career growth
• Health, wellbeing and lifestyle benefits
• A supportive and inclusive team culture
• The opportunity to work on products and experiences used by New Zealanders every day

If you’re passionate about digital experiences, enjoy solving complex customer problems and want to help shape the future of lending at ASB, we’d love to hear from you.