Senior UI Developer

Trustonic
Full-timeWinnersh, United Kingdom

📍 Job Overview

Job Title: Senior UI Developer

Company: Trustonic

Location: Winnersh, England, United Kingdom

Job Type: Full-time

Category: Frontend Engineering / Software Development

Date Posted: May 14, 2026

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

  • Lead the design, development, and maintenance of a React 18-based operator web portal, focusing on creating intuitive, high-performance user interfaces for a next-generation telecoms platform.

  • Drive the creation of reusable UI components using Ant Design, ensuring consistency and scalability across a complex SaaS platform.

  • Integrate frontend applications with secure cloud services, specifically AWS AppSync GraphQL APIs and Cognito authentication, to deliver real-time user experiences.

  • Implement efficient data-fetching and state management patterns (e.g., React Query, Zustand) to handle real-time device data and optimize application performance through code-splitting and caching.

  • Collaborate closely with backend engineers on API design and schema evolution, and actively participate in UX and design discussions to translate sophisticated platform capabilities into elegant, usable interfaces.

📝 Enhancement Note: This role is positioned as a Senior UI Developer, indicating a need for strong technical leadership in frontend development and a significant impact on the user experience of a critical SaaS platform. The emphasis on React 18, GraphQL, and AWS services suggests a modern, cloud-native development environment. The hybrid work arrangement with occasional office attendance in Winnersh implies a need for strong communication and self-management skills, alongside a desire for in-person collaboration.

📈 Primary Responsibilities

  • Design, develop, and maintain a robust, responsive, and intuitive operator web portal using React 18, ensuring high performance and scalability for device lifecycle management.

  • Architect and implement a scalable component library using Ant Design, ensuring consistency, reusability, and adherence to design system principles across the platform.

  • Integrate frontend components with AWS AppSync GraphQL APIs and AWS Cognito authentication flows, ensuring secure and real-time data exchange for user interactions.

  • Implement and manage efficient data-fetching and state management solutions using patterns like React Query or Zustand, optimizing for real-time device data and complex application states.

  • Drive frontend performance enhancements through strategic implementation of code-splitting, lazy loading, and advanced caching techniques to ensure a fast and seamless user experience.

  • Collaborate effectively with backend engineering teams to define API contracts, influence schema evolution, and ensure seamless integration of frontend and backend systems.

  • Contribute to UX and product design discussions, translating complex technical features into user-friendly interfaces and advocating for best-in-class user experience.

  • Write comprehensive unit and integration tests using Jest and React Testing Library to ensure code quality, reliability, and maintainability, actively participating in code reviews and promoting best practices.

  • Champion user experience and accessibility standards (WCAG), ensuring applications are responsive, cross-browser compatible, and meet accessibility requirements for a diverse user base.

📝 Enhancement Note: The responsibilities highlight a senior-level contribution, emphasizing architectural decisions, component library ownership, cross-functional collaboration, and performance optimization, beyond just feature development. The explicit mention of React 18, Ant Design, GraphQL, AWS AppSync, Cognito, React Query/Zustand, Jest, and React Testing Library indicates a specific technology stack and required proficiencies.

🎓 Skills & Qualifications

Education:

  • A degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience demonstrating a strong foundational understanding of software development principles.

Experience:

  • 5-10 years of commercial experience in frontend development, with a significant focus on building and shipping production-grade React applications.

  • Proven track record of successfully implementing and managing complex authentication flows, such as those involving AWS Cognito, OAuth2, or OIDC.

  • Demonstrable experience in designing and consuming GraphQL APIs, preferably with specific experience in AWS AppSync or similar GraphQL services.

Required Skills:

  • Deep expertise in React 18, including advanced concepts like Hooks, Context API, performance optimization techniques, and component lifecycle management.

  • Strong proficiency in TypeScript, including the ability to design and implement scalable typing patterns, generics, and type guards.

  • Proven experience working with GraphQL APIs (e.g., AppSync, Apollo, Relay) for efficient data fetching and manipulation.

  • Hands-on experience with modern frontend tooling such as Vite, Webpack, or equivalent build tools.

  • Solid understanding and practical application of state management patterns and libraries like React Query, Zustand, Redux, or Context API for managing complex application states.

  • Advanced CSS/SCSS skills, with a strong command of responsive design principles, including Flexbox and CSS Grid layouts.

  • Experience in writing robust unit and integration tests using frameworks like Jest and React Testing Library to ensure code quality and application stability.

Preferred Skills:

  • Experience developing and managing multi-tenant SaaS platforms at scale.

  • Familiarity with a range of AWS services beyond AppSync and Cognito, including S3, CloudFront, Lambda, or other relevant cloud infrastructure components.

  • In-depth knowledge of web performance optimization techniques, including but not limited to code splitting, lazy loading, caching strategies, and performance profiling.

  • Awareness and practical application of accessibility standards, such as WCAG (Web Content Accessibility Guidelines), to ensure inclusive design.

  • Experience working with established design systems and a strong understanding of UX best practices to create intuitive and effective user interfaces.

  • Familiarity with CI/CD pipelines and their integration into frontend development workflows.

📝 Enhancement Note: The AI-generated experience level of "5-10 years" aligns with the "Senior" title and the depth of technical requirements. The "Required Skills" section has been expanded to detail the specific technologies and concepts expected for a Senior UI Developer role, emphasizing practical application and depth of understanding rather than just listing keywords. Preferred skills offer a clear path for candidates to differentiate themselves.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • Showcase 2-3 complex React applications or projects demonstrating end-to-end development, from feature conception to deployment and maintenance.

  • Highlight projects that involved significant state management challenges and how they were effectively addressed using libraries like React Query or Zustand.

  • Include examples of reusable component development, ideally demonstrating the creation or contribution to a component library or design system.

  • Present case studies of performance optimization efforts, detailing the specific techniques used (e.g., code splitting, lazy loading, caching) and the measurable impact on load times or user experience.

  • Demonstrate experience in integrating with backend APIs, particularly GraphQL, and how data fetching and error handling were managed.

Process Documentation:

  • For each project, clearly articulate the development process, including planning, design, implementation, testing, and deployment phases.

  • Document the rationale behind technology choices, especially for React, TypeScript, state management solutions, and component libraries.

  • Detail the approach to testing, including the types of tests written (unit, integration), the tools used (Jest, React Testing Library), and how test coverage was maintained.

  • Explain the strategies employed for ensuring code quality, such as code reviews, linting, and adherence to coding standards.

  • Describe how accessibility and responsive design principles were incorporated into the development workflow.

📝 Enhancement Note: This section emphasizes the practical application of skills through a portfolio. It guides candidates on what types of projects and specific examples would be most impactful, focusing on demonstrating problem-solving, technical depth, and process adherence relevant to a Senior UI Developer role. The focus is on showing how the candidate works and delivers results, not just what they've built.

💵 Compensation & Benefits

Salary Range:

Given the role is Senior UI Developer with 5-10 years of experience, located in Winnersh, UK, and requiring expertise in React, TypeScript, GraphQL, and AWS, a competitive salary range can be estimated. Based on industry benchmarks for similar roles in the Greater London and South East England region, the estimated annual salary range for this position is £65,000 - £90,000. This estimate accounts for the seniority of the role, the specialized technical skills required, and the cost of living in the South East of England.

Benefits:

  • Competitive Compensation: A base salary reflecting expertise and impact, plus a performance-based bonus scheme to share in company success.

  • Financial Security & Wellbeing: Immediate participation in a pension scheme, comprehensive private medical insurance for the employee and their family from day one, and robust income protection and life insurance policies.

  • Flexibility & Work-Life Balance: Remote and hybrid working arrangements to support a flexible lifestyle, an open holiday policy with no upper limit, and support for personal volunteering initiatives.

  • Growth & Development: Ample opportunities for professional development, continuous learning, and career progression within the company, with exposure to global teams and projects.

  • Inclusive, Supportive Culture: A commitment to diversity, equity, and inclusion, fostering a collaborative environment where employee well-being and individual contributions are prioritized.

  • Impact & Purpose: The opportunity to contribute to technology that drives global economic inclusion and positively impacts people's lives.

Working Hours:

The standard working hours are estimated at 40 hours per week. Trustonic emphasizes flexible working arrangements, including remote and hybrid options, allowing employees to balance work with personal life effectively. This flexibility aims to ensure employees can work when and where they are at their best.

📝 Enhancement Note: A detailed salary range has been provided with a clear methodology, referencing regional benchmarks and role specifics. The benefits are expanded with more descriptive language to highlight their value to a professional. The working hours are clarified with an emphasis on the company's flexible approach.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, specifically focusing on mobile device financing and security solutions. Trustonic operates within the fintech and mobile telecommunications sectors, providing secure technology that enables global access to affordable smartphones and digital finance. This involves intricate partnerships with mobile carriers, retailers, and financial institutions across numerous countries.

Company Size: Trustonic is a mid-sized company. While an exact employee count isn't provided in the raw data, the description suggests a global reach with operations in 30+ countries, indicating a significant but likely not enterprise-level organizational structure. This size often means a balance between established processes and the agility to implement changes quickly.

Founded: The founding date is not specified, but the company has established itself as a leader in smartphone locking technology and device financing solutions, suggesting a history of innovation and market presence.

Team Structure:

  • The UI development team is likely part of a larger Engineering department, working collaboratively within a product-focused structure. This involves close partnerships with backend engineers, product managers, UX/UI designers, and potentially QA teams.

  • The reporting structure would typically place a Senior UI Developer under an Engineering Lead or Manager, with potential for mentorship of junior developers.

Methodology:

  • Data Analysis and Insights: While not explicitly stated for UI development, Trustonic's core business relies on data to drive business decisions. For the UI team, this translates to using analytics to understand user behavior, A/B testing for feature optimization, and performance monitoring to ensure system health.

  • Workflow Planning and Optimization: The role emphasizes building modern web experiences and optimizing applications for speed and scalability, indicating a focus on efficient development workflows, agile methodologies, and continuous improvement of processes.

  • Automation and Efficiency: The use of modern tooling like Vite and the focus on reusable components and scalable architecture point towards a commitment to automation and efficiency in the development lifecycle.

Company Website: https://www.trustonic.com/

📝 Enhancement Note: The company context has been fleshed out by inferring operational implications from their industry and business model. The team structure and methodologies are described based on common practices for senior engineering roles in tech companies with a SaaS offering, linking back to the core responsibilities of the UI Developer.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as Senior UI Developer, indicating a mid-to-late career stage for an individual contributor. It signifies a level of expertise where the individual is expected to not only execute complex development tasks but also to lead technical initiatives, mentor junior team members, and contribute significantly to architectural decisions within the frontend domain. The scope involves owning critical parts of the user interface for a core SaaS platform, requiring a deep understanding of modern frontend technologies and best practices.

Reporting Structure: A Senior UI Developer typically reports to an Engineering Manager, Head of Frontend, or a similar technical leadership role. They would work within a team of developers, potentially including junior and mid-level engineers, and collaborate extensively with Product Managers, UX/UI Designers, and Backend Engineers. The structure emphasizes both individual contribution and collaborative problem-solving.

Operations Impact: The Senior UI Developer's work has a direct and significant impact on Trustonic's business operations by shaping the user experience of the operator web portal. This portal is crucial for managing device financing solutions, driving economic inclusion, and ensuring profitability for partners. A well-designed, performant, and intuitive UI directly contributes to customer satisfaction, adoption rates, operational efficiency for users, and ultimately, the success of Trustonic's service offerings in the global market.

Growth Opportunities:

  • Technical Specialization & Leadership: Deepen expertise in specific areas of frontend development, such as advanced React patterns, performance engineering, accessibility, or contribute to the evolution of the company's design system. This can lead to Principal UI Developer or Architect roles.

  • Mentorship and Team Leadership: Take on responsibilities for mentoring junior developers, leading code review processes, and potentially guiding small project teams, paving a path towards a Lead UI Developer or Engineering Lead position.

  • Cross-functional Exposure: Gain broader understanding of backend systems, cloud architecture (AWS), and product management by actively engaging in cross-team initiatives, potentially opening doors to full-stack development or technical product management roles.

  • Industry Expertise Development: Enhance knowledge in the fintech and telecom sectors, understanding the unique challenges and opportunities of building platforms for device financing and digital inclusion.

📝 Enhancement Note: This section focuses on the career trajectory and impact specific to a "Senior" role in a technology company. It interprets the "Senior UI Developer" title within the context of operations and business impact, detailing how this role contributes to the company's mission and what future growth paths are available.

🌐 Work Environment

Office Type: The role is described as hybrid, with the requirement for occasional attendance at the Trustonic office in Winnersh. This suggests a modern office environment designed to facilitate collaboration, innovation, and team building, while also supporting flexible work arrangements.

Office Location(s): The primary office location mentioned for required attendance is Winnersh, United Kingdom. This location likely offers modern amenities and a professional workspace conducive to focused work and team interaction.

Workspace Context:

  • The hybrid model allows for a balance between focused, individual work (likely at home) and collaborative, team-oriented activities (at the Winnersh office). This supports the need for deep concentration required for complex UI development and the interactive sessions crucial for design, API integration, and problem-solving.

  • The company likely provides access to necessary tools and technologies, either through company-issued hardware or by ensuring remote access to development environments and collaboration platforms.

  • Opportunities for in-person interaction with colleagues at the Winnersh office will facilitate stronger team cohesion, spontaneous problem-solving, and a deeper understanding of team dynamics and company culture.

Work Schedule: The standard working hours are approximately 40 hours per week. The "hybrid" and "remote/hybrid working arrangements" further indicate a flexible schedule, allowing developers to manage their time effectively to meet project deadlines while maintaining work-life balance. This flexibility is crucial for operations professionals who often need to adapt their schedules for deep work or collaborative sessions.

📝 Enhancement Note: This section interprets the "hybrid" work arrangement and office location to describe the practical work environment for a Senior UI Developer, considering the balance between remote and in-office activities and their implications for productivity and collaboration.

📄 Application & Portfolio Review Process

Interview Process:

  • Initial Screening: A brief call with a recruiter or HR representative to assess basic qualifications, cultural fit, and salary expectations.

  • Technical Interview 1 (Frontend Focus): A deep dive into React, TypeScript, state management, and component design. This might involve live coding exercises, discussing past projects, and answering conceptual questions about frontend architecture. Be prepared to discuss your approach to building reusable components and managing complex application states.

  • Technical Interview 2 (System & Integration Focus): An interview focusing on GraphQL, API integration, AWS services (AppSync, Cognito), and performance optimization strategies. You might be asked to discuss how you've integrated with similar backend services or how you would approach optimizing a specific user flow.

  • Portfolio Review & Discussion: A dedicated session where you present your portfolio. Focus on 1-2 key projects that best showcase your skills in React, TypeScript, component libraries, and performance optimization. Be ready to articulate your design decisions, technical challenges, and the impact of your work.

  • Hiring Manager/Team Lead Interview: A discussion about your experience, leadership potential, problem-solving approach, and how you align with Trustonic's culture and values. This is also an opportunity to ask detailed questions about the team and role.

  • Final Interview (Optional): May involve a senior leader or a final check on cultural fit and strategic alignment.

Portfolio Review Tips:

  • Curate Selectively: Choose 2-3 projects that best demonstrate your expertise in React 18, TypeScript, Ant Design, GraphQL integration, and performance optimization. Prioritize projects with tangible outcomes or complex challenges.

  • Structure Your Narrative: For each project, clearly explain the problem statement, your role and contributions, the technical challenges faced, the solutions implemented (highlighting specific technologies like React Query, Zustand, GraphQL), and the measurable results or impact.

  • Showcase Code Quality: Be prepared to discuss code structure, testing strategies (Jest, React Testing Library), and how you ensure maintainability and scalability. If possible, provide links to public repositories or detailed project descriptions.

  • Highlight Collaboration: Emphasize how you collaborated with backend engineers, designers, and product teams. Discuss your approach to API integration and contributing to design discussions.

  • Demonstrate Performance & Accessibility: Specifically call out any projects where you focused on performance optimization or accessibility, detailing the techniques used and the improvements achieved.

Challenge Preparation:

  • Live Coding: Practice common React interview problems, including component creation, state management scenarios, and API data fetching. Focus on writing clean, efficient, and well-tested code.

  • Architecture/System Design: Be prepared to discuss how you would design a specific UI feature or component, considering scalability, performance, and maintainability. Think about how you'd integrate with hypothetical backend services.

  • Problem-Solving Scenarios: Anticipate questions about how you would debug a performance issue, refactor complex code, or handle challenging API responses.

  • Cultural Fit Questions: Reflect on Trustonic's culture code and values. Prepare examples that demonstrate your proactivity, attention to detail, collaborative spirit, and passion for building high-quality user experiences.

📝 Enhancement Note: This section provides a structured breakdown of a typical interview process for a senior-level technical role, offering specific advice on portfolio preparation and challenge anticipation, directly tailored to the technologies and responsibilities outlined for the Senior UI Developer position.

🛠 Tools & Technology Stack

Primary Tools:

  • React 18: The core JavaScript library for building user interfaces, with an expectation of deep understanding of its latest features, hooks, and best practices.

  • TypeScript: Essential for building robust and scalable applications, requiring proficiency in advanced typing, generics, and type safety.

  • Ant Design: A popular UI toolkit for React, used for creating consistent and reusable components. Familiarity with its components, theming, and customization is key.

  • Vite: A modern frontend build tool known for its speed and developer experience, expected to be used for project setup and development workflows.

Analytics & Reporting:

  • React Query / Zustand: Modern libraries for efficient data fetching, caching, and state management in React applications, crucial for handling real-time data.

  • Jest & React Testing Library: Standard tools for writing unit and integration tests for React components, ensuring code quality and application stability.

  • Browser Developer Tools: Essential for debugging, performance profiling, and inspecting application behavior.

CRM & Automation:

  • AWS AppSync: A managed GraphQL service that makes it easy to deploy a flexible API to access, manipulate, and combine data from one or more data sources.

  • AWS Cognito: A service that provides user identity and access management for web and mobile applications, used for authentication flows.

  • GraphQL: A query language for APIs and a runtime for fulfilling those queries with existing data. Expected to be used extensively for frontend-backend communication.

📝 Enhancement Note: This section details the specific technologies and tools mentioned in the job description, organizing them by their function within the development stack. It provides context on how these tools are used in the role, emphasizing their importance for a Senior UI Developer.

👥 Team Culture & Values

Operations Values:

  • Quality & Reliability: A strong emphasis on building "production-grade" applications and ensuring "quality and reliability" through robust testing and best practices. This translates to meticulous attention to detail in code and user experience.

  • Collaboration & Teamwork: The role requires close partnership with backend engineers, product teams, and designers. Trustonic values working "together" and fostering a "collaborative environment" where "your voice is valued."

  • Efficiency & Scalability: Building "modern web experiences" and "scalable component libraries" points to a drive for efficiency in development and ensuring systems can handle growth and increased demand.

  • User Experience & Impact: A core tenet is creating "intuitive, high-performance user interfaces" that deliver "seamless, scalable solutions" and ultimately "make a real difference in people's lives" through economic inclusion.

  • Continuous Improvement: The "Curious and motivated to continuously improve tools, patterns, and practices" value suggests an environment that encourages learning, innovation, and adopting new technologies and methodologies.

Collaboration Style:

  • Cross-functional Integration: Expect to work closely with backend engineers on API design and schema evolution, and with product and UX teams on translating requirements into user interfaces.

  • Agile & Iterative: The fast-paced environment and focus on delivering scalable solutions likely involve agile methodologies, with regular feedback loops and iterative development.

  • Open Communication: The emphasis on valuing voices and working together suggests an open communication style, where feedback is encouraged, and issues are addressed collaboratively.

  • Shared Ownership: The need to contribute to "shared solutions" and take "ownership of frontend systems" implies a culture of shared responsibility for project success.

📝 Enhancement Note: This section extrapolates Trustonic's stated culture code and the role's requirements into specific values and collaboration styles relevant to a Senior UI Developer, providing insight into the expected day-to-day work environment and team dynamics.

⚡ Challenges & Growth Opportunities

Challenges:

  • Balancing Innovation with Stability: Integrating cutting-edge React features and modern tooling while ensuring the stability and performance of a critical, production-grade operator portal for a global SaaS platform.

  • Complex Data & Real-time Updates: Effectively managing and displaying real-time device data and complex state within the UI, ensuring a responsive and accurate user experience for potentially high-volume operations.

  • Cross-functional Dependencies: Navigating dependencies with backend teams for API development and schema changes, requiring strong communication and negotiation skills to ensure timely delivery of integrated features.

  • Scalability and Performance: Ensuring the UI remains performant and scalable as the platform grows and user traffic increases, requiring continuous optimization and strategic architectural decisions.

  • Maintaining a Global Standard: Designing and implementing interfaces that are intuitive and accessible to a diverse, global user base across different regions and technical proficiencies.

Learning & Development Opportunities:

  • Advanced Frontend Architecture: Deepen expertise in complex React patterns, state management strategies, and performance optimization techniques, potentially leading to architect-level roles.

  • Cloud Integration Expertise: Gain deeper practical experience with AWS services like AppSync, Cognito, and others, enhancing skills in building cloud-native applications.

  • Design System Development: Contribute to or lead the development and maintenance of Trustonic's design system, becoming a go-to expert in UI consistency and governance.

  • Mentorship and Technical Leadership: Develop leadership skills by mentoring junior developers, leading technical discussions, and potentially guiding small project teams.

  • Industry-Specific Knowledge: Gain in-depth understanding of the fintech and telecom sectors, specifically in device financing and economic inclusion technologies, which can be a unique career differentiator.

📝 Enhancement Note: This section identifies potential hurdles a Senior UI Developer might face in this specific role and company context, framing them as opportunities for skill development and professional growth, aligning with the company's emphasis on continuous improvement.

💡 Interview Preparation

Strategy Questions:

  • UI Architecture & Scalability: "Describe how you would architect a new feature for the operator portal, considering scalability, performance, and maintainability, using React 18 and TypeScript. How would you approach data fetching and state management for real-time updates?" (Prepare to discuss component design, state patterns like React Query/Zustand, and API integration strategies.)

  • Collaboration & API Integration: "Walk me through a project where you had to collaborate closely with backend engineers to define or consume a GraphQL API. What challenges did you face, and how did you ensure a smooth integration?" (Be ready to share specific examples of API design discussions, schema evolution, and problem-solving during integration.)

  • Performance Optimization: "Describe a time you identified and resolved a significant performance bottleneck in a React application. What tools did you use, what techniques did you apply, and what was the measurable impact?" (Prepare a case study detailing your diagnostic process and optimization solutions.)

Company & Culture Questions:

  • Cultural Alignment: "Trustonic emphasizes its culture code, focusing on going 'far, together' and doing the 'right thing'. Can you provide an example from your experience that demonstrates these values?" (Research the culture code thoroughly and prepare examples that align with collaboration, impact, and ethical considerations.)

  • Team Dynamics: "How do you approach working within a hybrid or remote team? What strategies do you use to ensure effective communication and collaboration with colleagues you don't see daily?" (Discuss your preferred communication tools and methods for maintaining team cohesion and productivity.)

  • Impact & Purpose: "This role contributes to making smartphones affordable and driving economic inclusion globally. How do you see your work as a Senior UI Developer contributing to this mission?" (Connect your technical contributions to the company's broader purpose and impact.)

Portfolio Presentation Strategy:

  • Storytelling: Frame your portfolio projects as narratives – the problem, your solution, the challenges, and the outcomes. Highlight your critical thinking and problem-solving skills.

  • Technical Deep Dives: Be prepared to explain the "why" behind your technical choices (e.g., why React Query over Context, why Ant Design, specific TypeScript patterns). Show your depth of understanding.

  • Quantify Impact: Whenever possible, use metrics to demonstrate the success of your work (e.g., "improved load time by X%", "reduced error rate by Y%", "increased user engagement by Z%").

  • Interactive Walkthrough: If presenting code or a live demo, keep it concise and focused on demonstrating key features and your development approach. Be ready for questions about specific lines of code or architectural decisions.

  • Tailor to Trustonic: Briefly explain how the skills and experiences showcased in your portfolio are relevant to Trustonic's specific challenges and technologies (React 18, GraphQL, AWS).

📝 Enhancement Note: This section provides actionable advice for interview preparation, breaking down potential questions into categories and offering specific guidance on how to structure responses and prepare a compelling portfolio presentation, directly referencing the technologies and context of the Trustonic role.

📌 Application Steps

To apply for this Senior UI Developer position at Trustonic:

  • Submit your application through the provided link on jobs.smartrecruiters.com.

  • Portfolio Customization: Curate your portfolio to prominently feature projects demonstrating expertise in React 18, TypeScript, Ant Design, GraphQL integration, and performance optimization. Select 2-3 key projects that best showcase your problem-solving skills and technical depth.

  • Resume Optimization: Tailor your resume to highlight your 5-10 years of commercial experience in frontend development, specifically mentioning your proficiency with the core technologies listed (React, TypeScript, GraphQL, AWS AppSync, Cognito, Ant Design, React Query/Zustand, Jest). Quantify your achievements with relevant metrics where possible.

  • Interview Preparation: Practice articulating your experience with specific examples related to UI architecture, API integration, performance optimization, and collaborative problem-solving. Prepare to discuss how your work aligns with Trustonic's culture code and values.

  • Company Research: Thoroughly review Trustonic's website, understand their mission in driving economic inclusion through secure mobile technology, and familiarize yourself with their culture code. Be prepared to discuss how your role as a Senior UI Developer contributes to their overall business objectives.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Application Requirements

Requires strong commercial experience with production-grade React applications, TypeScript, and GraphQL APIs. A degree in computer science or equivalent experience is expected, with a deep understanding of modern frontend tooling and state management.