Senior Full Stack Developer - 12-month Fixed Term Contract

Team Summary

Visa Consulting & Analytics (VCA) Australia, New Zealand, and South Pacific (AUNZSP) is Visa's advisory division, working with Visa's clients on a broad range of key business initiatives including strategy, operational optimisation, customer engagement and overall business profitability.

VCA is made up of three services lines - Advisory, Data Science and Implementation Services, the latter being the execution arm of VCA. Our Implementation Services squads are embedded on client sites leading long-term engagements and delivering value primarily through implementation and execution services. We deliver objectives from a shared value agenda but are also closely connected to the broader VCA team, sharing knowledge, and bringing the best of Visa to the client.

We are seeking a Senior Full Stack Developer to join one of our banking clients in Wellington on a 12-month fixed-term contract, starting in January/February 2026. In this embedded role, you’ll help deliver new-generation digital lending experiences. As part of a collaborative, customer-focused team, you’ll report to the Engineering Lead and work closely with Solution Architects, developers, testers, and analysts. As a Full Stack Developer, you will play a key role in delivering high-quality, scalable outcomes that create real value for our client’s customers.

Enjoy a competitive salary, wellbeing benefits, and opportunities for professional growth within a supportive environment. Take the next step in your career and make an impact, apply today!

Role Summary & Responsibilities

As a Senior Full Stack Developer, you’ll design, build, and integrate new credit card and personal loan application forms with our client’s systems. You’ll enable real-time conditional approvals and seamless customer experiences, contributing to both front-end and back-end development, API integration, authentication, and quality assurance through modern testing and observability practices. You’ll work closely with Solution Architects, other developers, testers, and analysts to deliver secure, scalable, and integrated solutions for credit origination.

You’ll help our client deliver the right solutions efficiently, foster strong cross-functional relationships, and influence technical direction through clear communication. You’ll proactively manage risks, ensure quality and timely delivery, and support the growth of others through coaching, feedback, and knowledge sharing.

Highlights of your role include:

• Deliver complex features and integrations, ensuring quality and strategic alignment.
• Design and build robust, scalable systems across both front-end and back-end.
• Develop and integrate RESTful APIs, handle authentication (JWT), and work with asynchronous systems (e.g., PubSub Messaging, MQ).
• Champion unit testing, code quality, and observability practices (e.g., ESLint, Prettier).
• Collaborate across disciplines, mentor others, and contribute to Agile delivery.