UI Developer

📍 Job Overview

Job Title: UI Developer

Company: Barclays

Location: Gemini Building A, Prague, Czechia

Job Type: Full-time

Category: Technology / Front-End Development

Date Posted: 2026-02-25

Experience Level: Mid-Senior Level (5-10 years)

Remote Status: On-site

🚀 Role Summary

• Develop and implement user-centric digital banking products and experiences that align with customer needs and drive optimal commercial and customer outcomes.

• Collaborate with cross-functional teams, including product managers, developers, and business analysts, to translate complex business requirements into intuitive user interfaces.

• Design and build interactive prototypes and wireframes to visualize design concepts and validate solutions, iterating based on feedback.

• Monitor the impact of design post-launch through relevant Customer Experience (CX) metrics and user behavior analysis.

• Stay abreast of emerging trends, technologies, and design tools within the fintech and banking industry to foster innovation.

📝 Enhancement Note: This role is specifically for a UI Developer within Barclays' new Client Analytics program for the Investment Bank. The focus is on front-end development, specifically designing and implementing Banking CRM UI screens that present complex analytics in a clear and intuitive manner, acting as the dedicated UI developer within the project team.

📈 Primary Responsibilities

• Conceptualize, design, and implement user-centric digital banking products and experiences, ensuring alignment with customer needs, industry best practices, and business objectives.

• Monitor the impact of design post-launch through relevant CX metrics and user behavior analysis to inform design decisions.

• Collaborate effectively with cross-functional teams including product managers, backend engineers, and business analysts to translate business requirements into compelling user experiences.

• Develop interactive prototypes and wireframes to visualize design concepts and validate solutions, iterating designs based on feedback, changing technical and business requirements, and user insights.

• Evaluate the technical feasibility, legal compliance, and potential risks associated with the development and launch of new products, securing governance oversight and providing design assurance.

• Conduct user research, usability testing, and data analysis to gather insights into user behavior, preferences, and pain points, utilizing findings to enhance the overall user experience and drive commercial and customer outcomes.

• Champion Design Principles within the organization and advocate for user-centered design principles throughout the development lifecycle.

• Proactively identify opportunities for innovation and improvement in product design processes, tools, and methodologies by staying current with emerging trends in the fintech and banking industry.

📝 Enhancement Note: The responsibilities emphasize a deep integration of design with business and customer outcomes, user research, and cross-functional collaboration, particularly with backend engineers for analytics applications. The role requires not just design execution but also strategic input and advocacy for user-centered principles.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's degree in Computer Science, Human-Computer Interaction, Design, or a related field is typically expected for mid-senior level UI development roles.

Experience: 5-10 years of professional experience in UI development, with a strong focus on front-end technologies and user-centric design principles. Experience within the financial services or investment banking sector is highly advantageous.

Required Skills:

• Proven experience with Angular (preferred) or React.

• Proficiency in developing with modern JavaScript frameworks, including reactive forms, HTTP interceptors, error handling, and state management.

• Strong understanding of API integration, including working with API gateways and making API calls to execute application logic.

• Experience with Node.js for backend services or collaboration with backend teams.

• Solid experience in data handling and performance optimization techniques such as pagination, caching, and batching to build scalable UIs.

• Familiarity with DevOps practices and UI testing, including CI/CD pipelines and automated UI tests.

• Ability to translate complex data and analytics into clear, intuitive user interfaces.

Preferred Skills:

• Experience with Salesforce development, including building Banking CRM UIs.

• Experience implementing authentication mechanisms.

• Experience integrating with external systems within a financial services context.

• Understanding of risk and controls within a regulated industry.

• Experience with change and transformation initiatives.

• Strong business acumen and strategic thinking capabilities.

📝 Enhancement Note: The requirements highlight a preference for Angular but accept React. A strong emphasis is placed on practical application of front-end concepts for data-rich applications, API integrations, performance, and testing, along with experience in enterprise-level development environments like those found in banking.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase of projects demonstrating expertise in Angular or React, highlighting complex UI implementations.

• Examples of interactive prototypes and wireframes used to validate design concepts and gather user feedback.

• Case studies detailing user research, usability testing, and how insights informed design decisions and improved CX metrics.

• Projects demonstrating experience with API integration and how data was effectively presented through the UI.

• Evidence of performance optimization techniques applied to UIs, with measurable improvements.

Process Documentation:

• Examples of how user-centric design principles were applied throughout the development lifecycle.

• Documentation illustrating collaboration with cross-functional teams, particularly backend engineers and product managers.

• Workflow examples showing how feedback was incorporated into design iterations.

• Demonstrations of how technical feasibility and risk assessments were integrated into the design process.

📝 Enhancement Note: A strong portfolio showcasing practical application of UI development skills, user-centric methodologies, and experience with the specified technologies is critical. The portfolio should demonstrate the candidate's ability to translate complex requirements into user-friendly interfaces and showcase their impact on customer outcomes.

💵 Compensation & Benefits

Salary Range: For a UI Developer with 5-10 years of experience in Prague, Czechia, the estimated annual salary range would typically be between 900,000 CZK and 1,400,000 CZK gross. This range can vary based on specific skills, depth of experience, and performance during the interview process.

Benefits:

• Comprehensive health insurance and wellness programs.

• Generous paid time off and holiday allowances.

• Opportunities for professional development, training, and certifications.

• Pension scheme contributions.

• Access to employee assistance programs and well-being resources.

• Potential for performance-based bonuses.

• Opportunities to work on cutting-edge financial technology projects within a global institution.

Working Hours: Standard full-time working hours, typically around 40 hours per week, with potential for some flexibility depending on project needs and team agreements. The role is on-site, implying adherence to office working hours.

📝 Enhancement Note: Salary estimates are based on market research for experienced UI Developers in Prague, considering the typical compensation for roles within large financial institutions. Benefits are standard for major corporations and tailored to attract and retain talent in the tech sector.

🎯 Team & Company Context

🏢 Company Culture

Industry: Financial Services / Investment Banking. Barclays is a global financial services group with a strong presence in investment banking, corporate banking, and wealth management. This context means a high emphasis on security, compliance, data integrity, and robust technology solutions.

Company Size: Large Enterprise (Barclays employs over 80,000 people globally). This implies structured processes, established career paths, and a wide array of resources and opportunities.

Founded: 1836. Barclays has a long history, suggesting stability, a deep understanding of financial markets, and a culture that balances tradition with innovation.

Team Structure:

• The role is within the Client Analytics programme, a newly established initiative. This suggests a dynamic, potentially agile team environment focused on building new capabilities.

• The UI Developer will act as the dedicated UI developer within the project team, implying close collaboration with backend engineers, product managers, and business analysts.

• There will be collaboration with wider UI design and development communities within Barclays, offering opportunities for knowledge sharing and best practice adoption.

Methodology:

• Agile methodologies are likely employed, given the focus on iterative development, cross-functional teams, and rapid delivery of analytics applications.

• Data-driven decision-making is paramount, with a focus on using CX metrics and user research to inform design.

• Emphasis on user-centric design principles, ensuring that complex analytics are presented in a clear and intuitive manner.

• Strong focus on technical excellence, including API integration, performance optimization, and CI/CD practices.

Company Website: https://home.barclays/

📝 Enhancement Note: The culture at Barclays, especially within a new initiative like Client Analytics, will blend the rigor and compliance of a large financial institution with the agility and innovation needed for a tech-focused program. Expect a structured yet collaborative environment where technical expertise and user advocacy are valued.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned at a Mid-Senior level (5-10 years of experience), indicated by the "Vice President Expectations" section which describes either a subject matter expert guiding technical direction or a manager leading specialists. The UI Developer will be expected to contribute strategically, drive requirements, make recommendations for change, and potentially guide less experienced specialists.

Reporting Structure: The UI Developer will report to a lead within the Client Analytics programme, likely a Technical Lead or Programme Manager. They will collaborate closely with backend engineers, product managers, and business analysts, and engage with wider UI design and development communities. Interaction with senior leadership (VP level) is also expected for strategic discussions and decision-making.

Operations Impact: The UI Developer's impact is significant as they sit at the critical interface where complex data analytics meets the client. By designing intuitive and effective UI screens for Banking CRM applications, they directly influence the adoption and utility of these analytics tools, driving optimal commercial and customer outcomes by removing manual processes and providing clear insights.

Growth Opportunities:

• Technical Specialization: Deepen expertise in Angular/React, advanced UI patterns, performance optimization, and potentially explore adjacent areas like accessibility or front-end architecture.

• Leadership Development: Progress into a Senior UI Developer, Tech Lead, or UI Architect role, mentoring junior developers and influencing technical strategy.

• Cross-functional Exposure: Gain deeper understanding of investment banking, data analytics, and CRM systems, potentially transitioning into product management or business analysis roles within the financial sector.

• Project Leadership: Lead UI development efforts for new initiatives or features within the Client Analytics programme.

• Industry Best Practices: Contribute to and adopt best practices across Barclays' global UI development community.

📝 Enhancement Note: This role offers a clear path for technical growth within a specialized financial analytics domain. The opportunity to influence new initiatives within a large, established institution provides a stable yet dynamic environment for career advancement.

🌐 Work Environment

Office Type: The role is based in Prague, Czechia, at the Gemini Building A. This suggests a modern, professional office environment typical of large financial institutions, likely designed to foster collaboration and productivity.

Office Location(s): Prague, Czechia. The specific address, Gemini Building A, indicates a dedicated office space within a larger business complex.

Workspace Context:

• A collaborative workspace designed for cross-functional teamwork, facilitating direct interaction with product managers, backend engineers, and business analysts.

• Access to modern development tools, software, and technology infrastructure required for UI development, likely including high-performance workstations and relevant software licenses.

• Opportunities for informal knowledge sharing and formal discussions within the UI design and development communities at Barclays.

• A professional office setting that adheres to the stringent security and compliance standards expected within the banking industry.

Work Schedule: The role is on-site, indicating a structured work schedule aligned with typical business hours (e.g., 9 AM to 5 PM, Monday to Friday). While the core hours are set, there might be some flexibility for project-driven needs, emphasizing output and collaboration within the team's agreed-upon framework.

📝 Enhancement Note: The on-site requirement in Prague emphasizes a traditional office-based work culture, beneficial for close collaboration and integration within the immediate project team and the broader Barclays environment.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or Recruiter call to assess basic qualifications, cultural fit, and salary expectations.

• Technical Interview(s):

  • Coding Challenge: Likely a practical coding exercise focusing on Angular/React, state management, and potentially API interaction, to be completed within a time limit or as a take-home assignment.
  • Technical Discussion: In-depth conversation with hiring managers and senior developers about your experience with the required technologies, problem-solving approaches, and understanding of UI principles, performance optimization, and API integrations.
  • System Design/Architecture: Questions may explore how you would approach designing complex UI components or architecting front-end solutions for scalability and maintainability.

• Portfolio Review: A dedicated session where you will present selected projects from your portfolio, explaining your role, technical approach, challenges faced, and outcomes achieved. This is crucial for demonstrating practical application of skills.

• Behavioral/Cultural Fit Interview: Questions assessing alignment with Barclays' values (Respect, Integrity, Service, Excellence, Stewardship) and Mindset (Empower, Challenge, Drive), as well as leadership behaviors (Listen, Energize, Align, Develop) if applicable to the role's seniority.

• Final Round: Potentially a discussion with senior leadership (e.g., VP level) to confirm strategic alignment and suitability for the role.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 projects that best showcase your skills in

Angular/React, API integration, data presentation, and performance optimization relevant to banking CRM applications.

• Structure Your Case Studies: For each project, clearly outline:

  • The Problem: What challenge were you solving?
  • Your Role: What were your specific contributions?
  • The Solution: What technologies and design patterns did you use?
  • The Process: How did you collaborate, iterate, and incorporate feedback?
  • The Outcome: What were the measurable results (e.g., improved performance, better user adoption, positive CX metrics)?

• Highlight Technical Depth: Be prepared to discuss your code, architectural decisions, and specific implementation details.

• Demonstrate User-Centricity: Explain how user needs and feedback influenced your design and development choices.

• Showcase Impact: Quantify your achievements wherever possible. For example, "implemented caching that reduced load times by X%" or "designed a new workflow that improved task completion rates by Y%."

• Prepare for Questions: Anticipate questions about challenges, trade-offs, and how you handle conflicting requirements or technical constraints.

Challenge Preparation:

• Practice Coding: Sharpen your skills in JavaScript, TypeScript, Angular/React, and common data structures/algorithms.

• API Interaction: Be ready to discuss how you integrate with RESTful APIs, handle asynchronous operations, and manage API errors.

• Performance Tuning: Prepare to explain techniques for optimizing front-end performance, including lazy loading, code splitting, and efficient data handling.

• DevOps & Testing: Understand CI/CD concepts and be able to discuss your approach to automated UI testing (e.g., unit, integration, end-to-end tests).

• Barclays Values: Research Barclays' core values and mindset, and prepare examples of how you embody them in your work.

📝 Enhancement Note: The interview process is rigorous, with a strong emphasis on practical skills, portfolio demonstration, and cultural alignment. Candidates should be prepared to provide concrete examples of their work and its impact.

🛠 Tools & Technology Stack

Primary Tools:

• Front-end Frameworks: Angular (preferred), React.

• Languages: JavaScript, TypeScript.

• State Management: NgRx (for Angular), Redux/Context API (for React).

• UI Component Libraries: Potentially Material Design components or custom-built libraries.

• Build Tools: Webpack, Angular CLI, Vite.

Analytics & Reporting:

• Client-side Analytics: Tools for tracking user interactions and performance (e.g., Google Analytics, custom logging).

• Browser Developer Tools: Essential for debugging, performance profiling, and network analysis.

• Performance Monitoring Tools: For identifying and resolving bottlenecks.

CRM & Automation:

• CRM Platforms: Experience with Salesforce development is a plus, indicating familiarity with enterprise CRM systems.

• API Integration Tools: Understanding of tools and protocols for interacting with APIs (e.g., Postman for testing).

• CI/CD Tools: Familiarity with Jenkins, GitLab CI, Azure DevOps, or similar for automated builds and deployments.

• Testing Frameworks: Jasmine, Karma, Jest, Cypress, Selenium for unit, integration, and end-to-end testing.

📝 Enhancement Note: The technology stack is modern and enterprise-focused, requiring proficiency in popular front-end frameworks and a solid understanding of the surrounding ecosystem, including APIs, testing, and deployment pipelines. Experience with Salesforce is a significant advantage for this specific role.

👥 Team Culture & Values

Operations Values:

• Respect: Valuing diverse perspectives and fostering an inclusive environment for all team members and stakeholders.

• Integrity: Upholding the highest ethical standards, ensuring data accuracy, security, and compliance in all development activities.

• Service: Committing to delivering exceptional user experiences and supporting business objectives with a focus on customer needs.

• Excellence: Striving for high-quality code, robust solutions, and continuous improvement in design and development practices.

• Stewardship: Taking ownership of projects and contributing to the long-term success and stability of Barclays' technology initiatives.

Collaboration Style:

• Cross-functional Integration: Close collaboration with backend engineers, product managers, and business analysts to ensure seamless integration of UI with analytics engines and business logic.

• User-Centric Design Advocacy: Proactively championing user needs and advocating for design principles throughout the development process.

• Knowledge Sharing: Participating in and contributing to the wider UI design and development communities within Barclays to share best practices and learn from peers.

• Agile & Iterative: Working within an agile framework, embracing feedback loops and iterative development to refine solutions based on evolving requirements and user input.

📝 Enhancement Note: The team culture is expected to be a blend of the rigorous, compliance-driven environment of a global bank with the collaborative, innovative spirit required for a new technology initiative. Emphasizing user needs, data integrity, and continuous improvement will be key.

⚡ Challenges & Growth Opportunities

Challenges:

• Translating Complex Data: Effectively presenting sophisticated investment banking analytics in an intuitive and user-friendly interface for diverse user groups.

• Integration Complexity: Ensuring seamless integration with backend analytics engines, API gateways, and potentially existing CRM systems like Salesforce.

• Performance Optimization: Delivering a highly responsive and scalable UI experience given potentially large datasets and complex computations.

• Balancing Innovation with Compliance: Implementing modern UI techniques while adhering to strict security, regulatory, and governance requirements of the financial industry.

• Working within a New Initiative: Establishing best practices and processes within the newly formed Client Analytics programme.

Learning & Development Opportunities:

• Advanced UI/UX Techniques: Opportunities to delve deeper into areas like advanced state management, micro-frontends, accessibility standards, and modern design patterns.

• Fintech & Investment Banking Domain: Gaining in-depth knowledge of financial markets, analytics, and the specific needs of investment banking clients.

• Cross-Disciplinary Skills: Exposure to backend development, data engineering, and product management through close collaboration.

• Leadership & Mentorship: Potential to mentor junior developers, lead feature development, or contribute to architectural decisions within the team.

• Formal Training: Access to Barclays' internal training programs, workshops, and potentially external certifications in relevant technologies or financial domains.

📝 Enhancement Note: The challenges are rooted in the complexity of the domain and the need to balance cutting-edge development with enterprise-level constraints. Growth opportunities are substantial, offering both technical depth and breadth within the financial services sector.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to translate complex data into a simple, user-friendly interface. What was your process, and what was the outcome?" (Focus on your approach to data visualization and user empathy).

• "How would you ensure the performance of a financial dashboard that displays real-time data from multiple sources?" (Prepare to discuss caching, pagination, optimistic updates, and efficient data fetching).

• "Imagine you're collaborating with backend engineers who have strict API constraints. How would you approach designing the UI to work within those limitations while still providing a good user experience?" (Highlight communication, negotiation, and creative problem-solving).

Company & Culture Questions:

• "Barclays values Integrity and Excellence. Can you provide an example of how you've demonstrated these values in a previous role, especially in a financial context?" (Prepare specific anecdotes).

• "How do you stay updated with the latest trends in UI development and fintech?" (Mention specific sources, blogs, conferences, or communities).

Portfolio Presentation Strategy:

• Focus on Impact: For each project, clearly articulate the business problem, your solution, and the measurable impact on users or business outcomes. Use metrics whenever possible.

• Showcase Technical Prowess: Be ready to dive deep into the code, architectural decisions, and specific technologies used. Explain why you made certain choices.

• Demonstrate Process: Walk through your design and development process, highlighting user research, feedback incorporation, and collaboration with other disciplines.

• Tailor to Barclays: If possible, subtly weave in how your approach aligns with Barclays' emphasis on user-centricity, data integrity, and delivering customer outcomes.

• Be Concise and Engaging: Practice your presentation to ensure it flows well, stays within the allotted time, and captures the audience's interest.

📝 Enhancement Note: Interview preparation should focus on demonstrating not only technical proficiency but also strategic thinking, problem-solving abilities, and a strong understanding of the financial services context and Barclays' culture. Your portfolio is your primary tool for showcasing practical application of these skills.

📌 Application Steps

To apply for this UI Developer position:

• Submit your application through the provided link on the Barclays careers portal.

• Curate and Refine Your Portfolio: Select 2-3 key projects that best highlight your Angular/React expertise, API integration, data visualization capabilities, and performance optimization skills. Ensure each project has a clear narrative detailing the problem, your solution, and measurable outcomes.

• Optimize Your Resume: Tailor your resume to emphasize keywords from the job description (e.g., Angular, React, API Integration, Performance Optimization, User-Centric Design, Fintech, Banking CRM, CI/CD, DevOps). Quantify your achievements with specific numbers and metrics where possible.

• Prepare Your Presentation: Practice walking through your portfolio projects, focusing on clear, concise explanations of your technical approach, collaborative efforts, and the impact of your work. Be ready to answer in-depth technical and behavioral questions.

• Research Barclays and the Client Analytics Programme: Understand Barclays' mission, values, and the strategic importance of the Client Analytics initiative. This will help you tailor your responses and demonstrate genuine interest.

⚠️ 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.

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