Senior Full Stack UI Developer at Barclays

📍 Job Overview

Job Title: Senior Full Stack UI Developer Company: Barclays Location: New York, New York; Whippany, New Jersey Job Type: FULL_TIME Category: Software Development / Engineering ( with a focus on Front-end & Full-stack Development) Date Posted: August 07, 2025 Experience Level: Senior (5-10 years) Remote Status: On-site

🚀 Role Summary

This role focuses on the design, development, and enhancement of software solutions leveraging modern full-stack development practices, with a strong emphasis on UI/UX implementation.
The position requires a deep understanding of both front-end JavaScript frameworks (Angular/React) and back-end server-side languages (Java/C#), enabling the creation of cohesive and high-performance applications.
Key responsibilities involve close collaboration with product managers, designers, and other engineers to translate business objectives into robust technical solutions, ensuring seamless integration and alignment.
The role demands a commitment to code quality, performance optimization, and secure coding practices, contributing to a culture of technical excellence and continuous improvement within the engineering teams.

📝 Enhancement Note: While the input data pertains to a "Senior Full Stack UI Developer," the output is framed within an "Operations" context as per the prompt's instructions for enhancing job descriptions for Revenue Operations, Sales Operations, and GTM roles. This specific role, being a development-focused position, will be interpreted through the lens of how technology development and implementation intersect with operational efficiency, process automation, and data-driven decision-making within a financial institution. The "operations" aspect will be derived from the impact of the technology being built on business operations, rather than the direct execution of operational tasks.

📈 Primary Responsibilities

Develop and deliver high-quality, scalable, and maintainable software solutions using industry-aligned programming languages, frameworks, and tools, with a particular focus on front-end architecture and user interface implementation.
Collaborate effectively with product managers, UI/UX designers, and backend engineering teams to define software requirements, devise robust solution strategies, and ensure seamless integration with existing systems and business objectives.
Participate actively in code reviews, contributing to a culture of code quality, technical excellence, and efficient knowledge sharing among engineering peers.
Stay abreast of emerging industry technology trends and innovations, particularly in front-end development and full-stack architectures, and contribute to internal technical communities to foster growth and adoption of best practices.
Implement and adhere to secure coding practices to proactively mitigate vulnerabilities, protect sensitive data, and ensure the overall security posture of developed software solutions.
Champion and implement effective unit testing practices to guarantee proper code design, readability, reliability, and testability of all developed components.
Drive the modernization of key front-end trading applications, working closely with stakeholders in a fast-paced, high-impact environment to deliver user-focused solutions that generate tangible business value.

📝 Enhancement Note: The primary responsibilities have been tailored to reflect the nuances of a Senior Full Stack UI Developer role, emphasizing the creation and enhancement of software solutions that directly impact business operations and user experience. The focus is on development lifecycle, quality assurance, security, and cross-functional collaboration, all critical aspects for improving operational efficiency through technology.

🎓 Skills & Qualifications

Education:

A Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field; or equivalent practical experience demonstrating a strong foundation in software development principles and practices.

Experience:

Minimum of 5-10 years of professional experience in full-stack software development, with a significant emphasis on front-end user interface (UI) development and architecture.
Demonstrated experience in designing, developing, and deploying complex, scalable, and performant web applications.
Proven track record of contributing to the end-to-end software development lifecycle, from requirements gathering and design to implementation, testing, and deployment.

Required Skills:

Proficiency in server-side programming languages, with a preference for Java or C#, for building robust back-end services and APIs.
Expertise in modern JavaScript frameworks, specifically Angular or React.js, for creating dynamic and responsive user interfaces.
Hands-on experience in developing full-stack applications, integrating front-end components (Angular/React) with back-end services (potentially Node.js).
Strong command of TypeScript, Node.js, WebSockets, HTML5, CSS3/SCSS, and RESTful APIs for building modern web applications.
Proven ability to collaborate effectively with UI designers and backend developers to meticulously implement designs and ensure a cohesive user experience.

Preferred Skills:

Familiarity and practical experience with UI component libraries such as Material UI, PrimeNG, or similar, to accelerate UI development and ensure design consistency.
Experience working with containerization technologies like Docker and orchestration tools such as Helm Charts for efficient deployment and management of applications.
Exposure to Python scripting for automation tasks, data processing, or development support.
Understanding of financial markets and trading platforms, or experience in the financial services industry, to better align technology solutions with business needs.

📝 Enhancement Note: The skills and qualifications have been detailed to reflect the specific technical requirements and experience expected for a Senior Full Stack UI Developer role. The emphasis on both front-end and back-end technologies, along with preferred skills like containerization and financial domain familiarity, provides a clear picture of the ideal candidate profile.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

Showcase a minimum of three significant full-stack application projects, demonstrating end-to-end development capabilities and impactful UI/UX implementation.
Provide detailed case studies for at least two projects, highlighting specific challenges faced, the architectural decisions made, and the resulting improvements in application performance, user experience, or operational efficiency.
Include code samples or links to repositories (e.g., GitHub) for key projects, demonstrating proficiency in required languages and frameworks, adherence to coding standards, and effective use of testing methodologies.
Quantify the impact of your contributions through metrics such as performance improvements (e.g., load times, response rates), user adoption rates, reduction in bugs, or efficiency gains in development processes.

Process Documentation:

Document workflows for front-end development, including requirements gathering, design implementation, component development, unit testing, and integration with back-end services.
Illustrate processes for collaborating with cross-functional teams (Product, Design, Backend) to ensure alignment on requirements, design, and technical implementation.
Detail the approach to performance optimization, including profiling techniques, identification of bottlenecks, and implementation of strategies to enhance application speed and responsiveness.
Outline processes for ensuring code quality, including code review practices, adherence to style guides, and the implementation of automated testing strategies.

📝 Enhancement Note: Portfolio and process documentation requirements are tailored to a development role, emphasizing the practical application of skills in building and optimizing software. The focus on demonstrating end-to-end development, quantifiable impact, and collaboration processes aligns with the need for efficient and effective technology solutions that support business operations.

💵 Compensation & Benefits

Salary Range:

New York, New York: Minimum Salary: $170,000 per year, Maximum Salary: $230,000 per year.
Whippany, New Jersey: Minimum Salary: $170,000 per year, Maximum Salary: $230,000 per year.

📝 Enhancement Note: The salary ranges provided are directly from the job description and are competitive for a Senior Full Stack UI Developer role in these high-cost-of-living metropolitan areas. These figures reflect the seniority and specialized skill set required for the position within the financial services industry.

Benefits:

Comprehensive Health Coverage: Medical, Dental, and Vision insurance plans to support employee well-being.
Retirement Savings: A robust 401(k) plan, likely with employer matching contributions, to aid in long-term financial planning.
Life Insurance: Financial protection for employees and their families.
Paid Time Off: Generous paid leave for qualifying circumstances, supporting work-life balance and employee welfare.
Incentive Award Eligibility: This position is eligible for an incentive award, providing an opportunity for performance-based bonuses.

Working Hours:

The role is full-time, typically requiring approximately 40 hours per week. While specific daily schedules may vary, a standard business day within the New York/New Jersey time zones is expected. Flexibility may be offered based on team needs and project demands, but the core expectation is consistent availability during business hours for collaboration and task completion.

📝 Enhancement Note: Benefits are listed as provided in the input data. The working hours are inferred from the "FULL_TIME" employment type and standard industry practice. The emphasis is on the benefits relevant to a senior-level professional in a large financial institution.

🎯 Team & Company Context

🏢 Company Culture

Industry: Financial Services / Banking. Barclays is a global financial services provider engaged in retail banking and commercial banking, credit cards, investment banking, wealth management, and investment management. This context implies a highly regulated environment with a strong emphasis on security, compliance, and data integrity. Company Size: Large Enterprise (Likely tens or hundreds of thousands of employees globally). This scale suggests a structured organization with established processes, diverse teams, and potential for significant career growth and impact. Founded: 1836. Barclays has a long and rich history, indicating stability, established market presence, and a deep understanding of the financial sector. This history also suggests a blend of traditional banking practices with a drive for modernization and innovation.

Team Structure:

The "Senior Full Stack UI Developer" will likely be part of a specialized engineering team focused on front-end trading applications or broader digital transformation initiatives.
This team will operate within a larger technology or product division, reporting through a hierarchy that includes engineering leads, managers, and potentially product owners or business stakeholders.
Collaboration is expected to be extensive, involving close partnerships with UI/UX designers, backend developers, quality assurance engineers, product managers, and potentially business analysts or trading desk representatives to ensure technology solutions meet specific functional and performance requirements.

Methodology:

Barclays likely employs a mix of agile methodologies (e.g., Scrum, Kanban) for software development, emphasizing iterative development, continuous feedback, and adaptability to changing business needs.
Data analysis and insights are crucial in the financial sector; therefore, development processes will likely be informed by performance metrics, user behavior analytics, and market data to drive informed decisions and optimizations.
Workflow planning and optimization will focus on efficient development pipelines, streamlined deployment processes, and continuous integration/continuous delivery (CI/CD) practices to accelerate delivery of high-quality software.
Automation and efficiency practices will be integrated throughout the development lifecycle, from testing and deployment to operational monitoring, aiming to reduce manual effort and enhance system reliability.

Company Website: https://home.barclays/

📝 Enhancement Note: Company context has been synthesized from the provided information and general knowledge of large financial institutions. The emphasis is on how the company's industry, size, and history shape its operational environment and the expectations for technology roles like this one.

📈 Career & Growth Analysis

Operations Career Level: This position represents a senior individual contributor role within the technology and engineering function. It sits at an advanced level, requiring significant technical expertise, problem-solving capabilities, and the ability to influence technical direction and mentor junior team members, rather than manage direct reports (unless specified as a People Leader). Reporting Structure: The Senior Full Stack UI Developer will likely report to an Engineering Manager or a Technical Lead within a specific product or platform team. This structure facilitates focused development efforts and clear lines of communication for project execution and technical guidance. Operations Impact: While not a direct operations role, the software developed by this position has a profound impact on the operational efficiency and effectiveness of Barclays' trading desks and customer-facing platforms. By modernizing applications, improving user experience, and ensuring performance and reliability, this role directly contributes to smoother business operations, enhanced client satisfaction, and potentially increased revenue through improved trading capabilities and customer engagement.

Growth Opportunities:

Technical Specialization: Deepen expertise in specific front-end technologies (e.g., advanced React patterns, state management solutions, performance optimization techniques) or expand into related areas like cloud architecture (AWS, Azure) or DevOps practices.
Leadership Development: Progress into a Tech Lead role, responsible for guiding a small team of developers on specific projects, or transition into a management track as an Engineering Manager, overseeing larger teams and strategic technology initiatives.
Cross-Functional Exposure: Gain exposure to different areas of the business by working on various trading applications or platforms, potentially leading to roles in product management, solutions architecture, or business analysis within the financial sector.
Mentorship and Training: Actively mentor junior developers, share best practices, and contribute to the overall technical skill development within the engineering department, fostering a culture of continuous learning.

📝 Enhancement Note: The career and growth analysis is framed around a senior development role, highlighting how technical contributions directly support business operations and offering pathways for career advancement within a large financial institution. The "operations impact" is interpreted through the lens of how technology development enhances business processes.

🌐 Work Environment

Office Type: The role is specified as "On-site," indicating a traditional office-based work environment within Barclays' facilities. This setting is designed to foster collaboration, team cohesion, and direct interaction with colleagues and stakeholders. Office Location(s): The primary locations are 745 7th Avenue in New York, New York, and 115 South Jefferson Road Campus in Whippany, New Jersey. These are significant corporate office spaces, likely equipped with modern amenities and collaborative workspaces conducive to high-performing teams. Workspace Context:

Expect a collaborative and dynamic office environment where teamwork and open communication are encouraged. This will involve working alongside product managers, designers, and fellow engineers in shared spaces or dedicated team areas.
Access to state-of-the-art development tools, robust IT infrastructure, and potentially advanced hardware will be provided to support efficient software development and testing.
Opportunities for regular face-to-face interaction with team members and stakeholders will be frequent, facilitating quick problem-solving, knowledge sharing, and a shared understanding of project goals.

Work Schedule: The standard work schedule will likely align with typical business hours in the New York/New Jersey region (e.g., 9 AM to 5 PM EST), with the expectation of 40 hours per week. While the role is on-site, there may be some flexibility in daily start/end times depending on team agreements and project needs, but consistent availability during core business hours is paramount for effective collaboration.

📝 Enhancement Note: The work environment description emphasizes the on-site nature of the role and the likely collaborative and resource-rich setting typical of major financial institutions' corporate offices.

📄 Application & Portfolio Review Process

Interview Process:

Initial Screening: Likely includes a review of your resume and a brief phone screen with an HR representative or recruiter to assess basic qualifications and cultural fit.
Technical Assessment: Expect a technical interview, which may involve live coding exercises, system design questions focusing on full-stack architecture, and discussions about your experience with specific technologies (e.g., Angular, React, Java, Node.js). Be prepared to discuss your approach to problem-solving and code optimization.
Portfolio Presentation/Discussion: A key stage will involve presenting your portfolio, discussing your contributions to past projects, and detailing the technical challenges you overcame. Focus on the "why" and "how" behind your decisions and the quantifiable impact of your work.
Behavioral and Situational Interviews: Interviews with hiring managers and potential team members will assess your leadership potential, collaboration skills, problem-solving approach, and alignment with Barclays' values (Respect, Integrity, Service, Excellence, Stewardship) and mindset (Empower, Challenge, Drive). Questions may focus on conflict resolution, handling ambiguity, and driving initiatives.
Final Round: May involve a discussion with senior leadership or a panel interview to confirm suitability and strategic alignment.

Portfolio Review Tips:

Curate Select Projects: Choose 2-3 of your most impactful full-stack projects that best showcase your skills in both front-end UI development and back-end integration.
Structure Your Case Studies: For each project, clearly articulate the problem statement, your specific role and contributions, the technologies used, the challenges encountered, your solutions, and the measurable outcomes (e.g., performance improvements, user satisfaction).
Prepare for Technical Deep Dives: Be ready to discuss your code architecture, design patterns, testing strategies, and any specific optimizations you implemented. Understand the trade-offs you made.
Demonstrate Collaboration: Highlight instances where you collaborated effectively with designers, backend developers, or product managers. Showcase your communication and teamwork skills.
Quantify Impact: Wherever possible, use data and metrics to demonstrate the success of your work. This could include performance metrics, adoption rates, or efficiency gains.

Challenge Preparation:

Coding Challenges: Practice common data structure and algorithm problems, as well as front-end specific challenges related to UI rendering, state management, and API integration. Familiarize yourself with platforms like LeetCode, HackerRank, or similar.
System Design: Prepare for system design questions that require you to architect scalable, reliable, and performant full-stack applications. Think about database choices, API design, caching strategies, and front-end architecture patterns.
Scenario-Based Questions: Anticipate questions about how you would handle technical disagreements, manage project timelines, or address performance issues in a production environment.

📝 Enhancement Note: The interview and portfolio review process is tailored to a senior software development role, emphasizing technical depth, practical application of skills, and behavioral competencies. The advice focuses on demonstrating tangible impact and effective collaboration.

🛠 Tools & Technology Stack

Primary Tools:

Front-end Frameworks: Angular or React.js (Expert proficiency expected).
Server-Side Languages: Java or C# (Strong proficiency required).
Back-end Development: Node.js (for full-stack development, potentially with Express.js or similar frameworks).
Core Web Technologies: TypeScript, HTML5, CSS3/SCSS, JavaScript.
API Development: RESTful APIs (Design, consumption, and best practices).
Communication Protocols: WebSockets (for real-time data exchange).

Analytics & Reporting:

While not explicitly listed, expect to work with tools that provide insights into application performance, user behavior, and system health. This might include New Relic, Dynatrace, Google Analytics, or internal dashboarding tools.
Proficiency in interpreting data from various sources to identify areas for improvement in UI performance and user experience.

CRM & Automation:

While primarily a development role, understanding how applications integrate with CRM systems (e.g., Salesforce) or leverage workflow automation tools might be beneficial for context, though not a primary requirement.
Familiarity with Docker for containerization and potentially Helm Charts for Kubernetes deployments relates to the automation and deployment aspects of the software lifecycle.

📝 Enhancement Note: The tools and technology stack are directly extracted from the "key skills" and "highly valued skills" sections of the job description, focusing on the programming languages, frameworks, and technologies critical for a full-stack UI developer.

👥 Team Culture & Values

Operations Values:

Respect: Upholding a culture of mutual respect among all colleagues, fostering an inclusive environment where diverse perspectives are valued. This translates to constructive feedback in code reviews and respectful collaboration across teams.
Integrity: Acting with honesty and transparency in all dealings, particularly concerning code quality, security practices, and reporting on project status and challenges.
Service: Committing to delivering high-quality software solutions that meet the needs of internal stakeholders and external customers, contributing to the overall success of Barclays' services.
Excellence: Striving for the highest standards in software development, from code design and performance to user experience and reliability, embracing continuous improvement.
Stewardship: Taking responsibility for the long-term health and maintainability of the codebase and systems, ensuring they are secure, efficient, and adaptable to future needs.

Collaboration Style:

Cross-functional Integration: Expect a highly collaborative environment where close working relationships are maintained with product managers, UI/UX designers, and backend engineers to ensure alignment from concept to deployment.
Process Review Culture: Actively participate in code reviews and design discussions, providing and receiving constructive feedback to enhance code quality, architectural soundness, and overall solution effectiveness.
Knowledge Sharing: Engage in sharing technical knowledge, best practices, and lessons learned through presentations, documentation, and informal discussions to foster team growth and collective expertise.

📝 Enhancement Note: The team culture and values are derived from the explicitly stated Barclays Values and Mindset, interpreted within the context of a software development team. The focus is on how these values translate into daily work, collaboration, and decision-making for a developer.

⚡ Challenges & Growth Opportunities

Challenges:

Modernizing Legacy Systems: The role involves modernizing key front-end trading applications, which often entails working with older codebases, integrating new technologies, and navigating complex legacy architectures. This requires strong analytical skills and a methodical approach to refactoring and enhancement.
Balancing Speed and Quality: In a fast-paced financial environment, there's a constant pressure to deliver features quickly. The challenge lies in maintaining high standards for code quality, performance, and security while meeting aggressive deadlines.
Cross-Functional Alignment: Ensuring seamless integration and consistent user experience across front-end and back-end systems, and aligning with diverse stakeholder requirements (product, design, business), can be complex and requires excellent communication and negotiation skills.
Evolving Technology Landscape: Staying current with the rapidly evolving front-end and full-stack technologies, and determining the best way to leverage them within a large, established financial institution, presents an ongoing learning challenge.

Learning & Development Opportunities:

Advanced Technical Training: Access to internal and external training programs, workshops, and online courses to deepen expertise in specific areas of front-end development, back-end technologies, cloud computing, or DevOps.
Industry Conferences & Certifications: Opportunities to attend relevant industry conferences (e.g., React Conf, AngularConnect) and pursue certifications in technologies like cloud platforms or specific programming languages.
Mentorship Programs: Participate in formal or informal mentorship programs, either as a mentee to learn from senior engineers or as a mentor to guide junior developers, enhancing leadership and communication skills.
Exposure to Diverse Projects: Work on a variety of projects across different trading platforms or business units, providing exposure to diverse technical challenges and business domains within the financial services industry.

📝 Enhancement Note: Challenges and growth opportunities are framed around typical issues faced by senior developers in large organizations, particularly those involved in modernizing technology stacks within regulated industries like finance.

💡 Interview Preparation

Strategy Questions:

Operations Strategy & Methodology: "How would you approach modernizing a critical front-end trading application while minimizing disruption to live operations? Describe your process for ensuring stability and performance during such a transition." (Focus on phased rollouts, feature flagging, robust testing, rollback strategies.)
Collaboration & Stakeholder Management: "Describe a time you had to collaborate with a UI designer who had a vision that conflicted with technical feasibility. How did you resolve this to achieve a mutually beneficial outcome?" (Emphasize communication, negotiation, seeking compromise, understanding constraints.)
Problem-Solving & Efficiency: "Imagine our application's load time has significantly increased. What steps would you take to diagnose and resolve this performance issue? Walk us through your debugging and optimization process." (Detail profiling tools, identifying bottlenecks, code optimization techniques, caching strategies.)

Company & Culture Questions:

Company Operations Culture: "Based on your understanding of Barclays and the financial industry, how do you see technology development contributing to operational excellence and business goals?" (Research Barclays' recent initiatives, financial news, and connect development impact to efficiency, security, and client service.)
Team Dynamics: "How do you typically integrate into a new development team? What is your approach to giving and receiving feedback during code reviews and design discussions?" (Highlight proactivity, eagerness to learn, constructive feedback style, emphasis on team goals.)
Operations Impact Measurement: "Can you provide an example of a project where your technical contributions directly led to measurable improvements in operational efficiency or user experience? What metrics did you track?" (Prepare a specific case study with quantifiable results.)

Portfolio Presentation Strategy:

Narrative Flow: Structure your presentation with a clear beginning (problem/goal), middle (your work, challenges, solutions), and end (results, impact). Tell a story about your projects.
Quantifiable Metrics: Dedicate a slide or section to clearly present the metrics and quantifiable outcomes associated with your projects. Use charts or graphs where appropriate to visualize impact.
Interactive Demonstration (Optional): If possible and relevant, consider a brief live demo of a key feature or aspect of your work, but ensure it's concise and polished.
Focus on "Why": Be prepared to explain the rationale behind your technical decisions, not just what you did, but why you chose a particular framework, pattern, or tool.

📝 Enhancement Note: Interview preparation advice is tailored to a senior development role, focusing on demonstrating technical expertise, problem-solving skills, collaborative abilities, and an understanding of how technology impacts business operations within a financial context.

📌 Application Steps

To apply for this Senior Full Stack UI Developer position:

Submit your application through the provided Workday link to formally express your interest.
Portfolio Customization: Tailor your resume and portfolio to highlight your strongest full-stack projects, emphasizing your experience with Angular/React, Java/C#, Node.js, and TypeScript. Showcase projects that demonstrate impactful UI development and successful back-end integration.
Resume Optimization: Ensure your resume clearly articulates your 5-10 years of experience, quantifies achievements with specific metrics (e.g., "improved application load time by 20%"), and includes keywords such as "full-stack development," "UI/UX," "RESTful APIs," and "Agile methodologies."
Interview Preparation: Practice articulating your experience using the STAR method (Situation, Task, Action, Result) for behavioral questions. Prepare detailed explanations for your portfolio projects, focusing on technical challenges, solutions, and outcomes. Rehearse answers to common technical questions related to your core skills.
Company Research: Familiarize yourself with Barclays' mission, values, and recent news. Understand their position in the financial services industry and how technology plays a role in their strategy. Prepare thoughtful questions to ask the interviewer about the team, projects, and company culture.

⚠️ 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.

Senior Full Stack UI Developer