SeniorFull TimeEN
Who we are...
At Trustonic, we make smartphones affordable for the many, enabling global access to devices and digital finance through the world’s most secure smartphone locking technology. We partner with mobile carriers, retailers, and financiers across 30+ countries, powering device financing solutions that drive economic inclusion, profitability, and growth.
We pride ourselves on living by the Trustonic culture code, a blueprint for our journey that recognises that great working environments don’t guarantee success, but bad ones almost always ensure failure.
Working here, you’ll find a company that celebrates its diversity and is looking to do the right thing: for each other, the community and the planet. We believe in equal opportunities and take to heart the old African proverb ’If you only want to go fast, go alone. If you want to go far, go together’.
We work flexibly when and where we’re at our best, but regardless of how you choose to work, we’ll make sure you feel like one of the team.
Click here if you would like to find out more about Trustonic's culture code.
If you would like to work in a fast-moving global technology company, with great ambition, then we’d love to hear from you!
A bit about the role and what you’ll do…
We’re looking for a Senior UI Developer to take a leading role in building and evolving our operator web portal for a next-generation telecoms platform. You’ll create intuitive, high-performance user interfaces that power device lifecycle management at scale—working at the intersection of frontend engineering, real-time data, and secure cloud integrations.
This is a high-impact role where you’ll shape the user experience across a complex SaaS platform, collaborating closely with backend engineers and product teams to deliver seamless, scalable solutions. You’ll play a key role in translating sophisticated platform capabilities into elegant, usable interfaces for customers.
Please note, this is a remote role with attendance required at our office in Winnersh from time to time.
What you’ll do…
What you’ll do…
Build Modern Web Experiences
Design, develop, and maintain a React 18-based operator portal, delivering responsive and intuitive user interfaces.
Create Reusable UI Components
Develop and maintain scalable component libraries using Ant Design, ensuring consistency and reusability across the platform.
Integrate with Cloud Services
Work with AWS AppSync GraphQL APIs and Cognito authentication flows to deliver secure, real-time user experiences.
Own State & Data Management
Implement efficient data-fetching and state management patterns (e.g., React Query, Zustand) for real-time device data.
Drive Frontend Performance
Optimise applications for speed and scalability through code-splitting, lazy loading, and caching strategies.
Collaborate Across Teams
Partner with backend engineers on API design and schema evolution, and contribute to UX and design discussions.
Ensure Quality & Reliability
Write robust unit and integration tests using Jest and React Testing Library, and contribute to code reviews and best practices.
Champion User Experience & Accessibility
Ensure applications meet high standards for responsiveness, cross-browser compatibility, and accessibility.
What we’re looking for…
Experience & Expertise
Technical Strength
Nice to Have
Ways of Working
What we can provide you in return for your investment...
Competitive compensation
Financial security & wellbeing
Flexibility & work-life balance
Growth & development
Inclusive, supportive culture
Impact & purpose
#LI-Remote
Trustonic is an equal opportunity employer. We do not discriminate on any grounds. We empower, engage, enable and value differences between people, including; different races, ethnicities, genders, ages, religions, disabilities and sexual orientations, with differences in education, backgrounds, skill sets, experiences and knowledge.
