Overview

Principal Android Engineer role at Nucoro (acquired by Backbase). Location: Cardiff — Hybrid. Backbase builds AI-powered, secure, enterprise-grade digital banking software used daily by millions of people worldwide.

What you'll do

• Lead the AI-native engineering of our product across the software development lifecycle, enforcing and refining engineering best practices and continually evolving to use AI in practices.
• Design, build and maintain one or more capabilities for the Backbase Mobile Platform within a multidisciplinary squad.
• Deliver end-to-end solutions from concept to production-ready applications; translate complex business requirements into technical designs and implementations.
• Contribute to all aspects of product development: requirements gathering, implementation, testing, documentation, and providing product adoption support.
• Lead, mentor and coach colleagues, guiding their professional growth and upholding engineering standards across the product.
• Proactively explore and apply AI tools and agentic frameworks (e.g., code generation, test automation, dev productivity) to improve engineering workflows and product capabilities.

Who you are

• 8+ years of relevant experience working on complex Android-based products.
• Banking domain experience is a welcome bonus.
• Experience translating high-level business requirements into technical designs, including security and non-functional requirements, and coaching peers to do the same.
• Strong engineering culture across the SDLC, with Agile practices to deliver a complete product.
• CI/CD practices are a plus, ideally with Bitrise and GitHub Actions.
• Knowledge of AI practices and the ability to propose innovative uses of AI.
• You are proficient in Android development and can share best practices with the team.
• Technical experience with architecture patterns such as MVI, MVVM, VIPER or MVP; experience developing SDKs used by internal and external teams.

Qualifications summary

• Senior Android engineering experience; ability to lead and mentor teams.
• Strong understanding of security and non-functional requirements in banking apps.
• Familiar with Agile SDLC, CI/CD pipelines, and AI-enabled development approaches.

We offer a collaborative, growth-focused work environment with opportunities to shape the future of digital banking. If you’re excited to help build AI-native banking products, join us.