Principal Engineer - Generative AI and Software Architecture

Principal Engineer, GenAI, Director

Join us as a Principal Engineer

• This is a challenging role that will see you design and engineer software with the customer or user experience as the primary objective
• With your software development background, you’ll be working with architects to help define major components of the business-wide target architecture and roadmap
• You’ll gain valuable senior stakeholder exposure as well as the opportunity to hone your technical talents and leadership skills
• We're offering this role at director level

What you'll do

As a Principal Engineer, you’ll be creating great customer outcomes via engineering and innovative solutions to existing and new challenges, and technology designs which are innovative, customer centric, high performance, secure and robust.

You’ll be leading the more significant, complex and technically challenging assignments, coordinating multiple feature teams, making sure that their technical journeys support realisation of the targets, and deliver the values of the relevant metrics published to our investors.

You’ll also be:

• Defining, creating and providing oversight and governance of engineering and design solutions with a focus on end-to-end automation, simplification, resilience, security, performance, scalability and reusability
• Working within a platform or feature team along with software engineers to design and engineer complex software, scripts and tools to enable the delivery of bank platforms, applications and services, acting as a point of contact for solution design considerations
• Defining and developing architecture models and roadmaps of application and software components to meet business and technical requirements, driving common usability across products and domains
• Influencing the development of strategies and architecture at domain and enterprise levels, identifying transformational opportunities for the businesses and technology areas

The skills you'll need

You’ll come with significant experience in software engineering, software or database design and architecture, as well as experience of developing software within a DevOps and Agile framework. 

Along with an expert understanding of the latest market trends, A senior technical leader will have to design, build, train, and optimise Small Language Models (SLMs) and Micro‑LLMs tailored to our business and regulatory environment. This role establishes our in‑house model development capability, driving efficiency, security, and IP ownership.

You’ll also need:

• A strong background at least 15 years in Architect and train custom SLMs (1B–15B parameters)
• Significant and demonstrable experience in building scalable GPU‑based training pipelines on Azure ML
• A background in curating high‑quality datasets and synthetic data workflows
• The ability to implement evaluation, safety testing, quantisation, and optimisation
• Set engineering standards and mentor junior engineers

Hours

45

Job Posting Closing Date:

03/07/2026

Experience Level

Senior Level