Senior UI Developer - eCommerce

📍 Job Overview

Job Title: Senior UI Developer - eCommerce

Company: Avnet (Farnell)

Location: Bangalore, India

Job Type: Full-Time

Category: Front-End Development / eCommerce Operations

Date Posted: May 22, 2026

Experience Level: Senior (5-10 years)

Remote Status: Hybrid

🚀 Role Summary

• Lead the design and development of high-performance, responsive user interfaces for a global, large-scale eCommerce platform, driving user engagement and conversion rates.

• Architect and implement complex front-end solutions utilizing React, TypeScript, and Node.js, ensuring seamless integration with GraphQL APIs and robust caching strategies.

• Drive best practices in UI development, including automated testing, code reviews, and performance optimization, to maintain a cutting-edge and scalable online storefront.

• Mentor junior developers and actively contribute to the internal Front-end Guild, fostering a culture of continuous learning and innovation in modern UI development techniques.

📝 Enhancement Note: This role is positioned as a Senior UI Developer within the eCommerce division of Avnet (specifically Farnell). The core function is building and maintaining the front-end of their global online platform, requiring deep expertise in modern JavaScript frameworks, API integrations, and performance optimization. The "eCommerce Operations" category is inferred due to the direct impact of UI performance and user experience on online sales and customer journey optimization, which are key operational metrics for an eCommerce business.

📈 Primary Responsibilities

• Spearhead the development of intuitive and visually compelling user interfaces for the global eCommerce platform, leveraging React, TypeScript, and advanced front-end architecture principles.

• Collaborate closely with Business Analysts, Product Owners, UX/UI Designers, and back-end engineers to translate complex business requirements and Figma/Storybook prototypes into functional, high-quality user interfaces.

• Optimize UI performance through strategic implementation of caching layers (Akamai, internal application stack), lazy loading, code splitting, and other advanced techniques to ensure rapid load times and a seamless customer experience across all devices.

• Integrate front-end components with RESTful and GraphQL APIs, utilizing Apollo Client for efficient data fetching and state management, and working with Node.js/Apollo Server back-ends.

• Champion and enforce software development best practices, including clean, maintainable code, comprehensive automated testing (Jest), thorough code reviews, and adherence to GitFlow version control processes via GitLab.

• Provide technical leadership and mentorship to junior and mid-level UI developers, guiding them on React development, front-end architecture, performance tuning, and overall best practices.

• Actively participate in the internal Front-end Guild, sharing expertise, contributing to discussions on modern technologies, and driving innovation in UI development outcomes.

• Work in partnership with back-end engineers to ensure cohesive integration of front-end and back-end services, contributing to the overall architecture and performance optimization of the application stack.

• Continuously research and stay abreast of the latest advancements in front-end technologies, particularly within the React ecosystem, and emerging trends in eCommerce to ensure the platform remains competitive and cutting-edge.

📝 Enhancement Note: The responsibilities have been elaborated to emphasize the strategic and leadership aspects of a Senior UI Developer role. This includes "spearheading" development, "architecting" solutions, and "championing" best practices, aligning with the senior level. Specific mention of integration with back-end services and performance optimization is crucial for an eCommerce context, directly impacting operational efficiency and revenue.

🎓 Skills & Qualifications

Education:

Experience:

• 5-10 years of progressive experience in front-end or UI development, with a significant focus on building and scaling complex web applications, preferably within an eCommerce environment.

Required Skills:

• Core JavaScript Ecosystem: Deep expertise in ReactJS, TypeScript, and modern JavaScript (ES6+).

• State Management & API Integration: Proven proficiency with Apollo Client for GraphQL queries, mutations, and advanced state management; solid understanding of integrating with Node.js and Apollo Server back-ends.

• Styling & Component Libraries: Strong command of CSS3, HTML5, Styled Components, and experience with component-driven development using Storybook.

• Testing Frameworks: Hands-on experience with front-end testing, particularly Jest for unit and integration testing.

• Version Control: Proficient in Git and experienced with collaborative workflows such as GitFlow, utilizing platforms like GitLab.

• Performance Optimization: Expertise in techniques for optimizing UI performance in large-scale applications, including lazy loading, code splitting, and caching strategies.

• Responsive Design: Ability to create adaptive and responsive user interfaces that function seamlessly across various devices and screen sizes.

• Collaboration Tools: Experience translating designs from tools like Figma into functional code.

• Agile Methodologies: Proven experience working within Agile/Scrum development environments, participating in sprints, stand-ups, and retrospectives.

Preferred Skills:

• CDN/Caching: Familiarity with Akamai caching or other Content Delivery Network (CDN) solutions for front-door optimization.

• A/B Testing: Experience with A/B testing tools, such as Adobe Target, for user experience optimization.

• Headless CMS: Development experience with Headless Content Management Systems (CMS) like Bloomreach.

• eCommerce Platform Experience: Specific familiarity with the unique challenges and best practices of building and scaling eCommerce platforms.

• Loadable Components: Experience with React Loadable Components for code splitting and performance enhancement.

📝 Enhancement Note: The required skills section is structured to highlight the critical technical proficiencies expected for a senior role in eCommerce UI development. Emphasis is placed on the specific technologies mentioned in the job description (React, TypeScript, Node.js, Apollo Client, GraphQL, Akamai), and these are integrated with relevant operational aspects like performance optimization and A/B testing.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Case Studies of UI Development: Showcase at least 2-3 significant projects where you led or played a key role in developing complex user interfaces. Each case study should detail the problem, your approach, the technologies used, and the impact.

• Performance Optimization Examples: Include specific examples or metrics demonstrating your ability to improve UI performance, such as reduced load times, improved rendering speed, or enhanced responsiveness. Quantifiable results are highly valued.

• API Integration Demonstrations: Highlight projects that involved complex integration with RESTful or GraphQL APIs, demonstrating your understanding of data fetching, state management, and asynchronous operations.

• Code Quality & Best Practices: Provide examples of well-structured, maintainable, and tested code. This can be through links to public repositories (e.g., GitHub) or snippets demonstrating clean architecture, component reusability, and adherence to coding standards.

Process Documentation:

• Workflow Design & Optimization: Be prepared to discuss how you approach designing and optimizing front-end workflows, from initial concept to deployment, ensuring efficiency and scalability.

• Implementation & Automation: Describe your experience with implementing new features and automating repetitive tasks in the development lifecycle, including testing and deployment pipelines.

• Measurement & Performance Analysis: Demonstrate your ability to define, track, and analyze key performance indicators (KPIs) related to UI performance and user experience, and how you use this data to drive improvements.

📝 Enhancement Note: This section is tailored to a Senior UI Developer role, emphasizing the need for a portfolio that showcases not just coding ability but also strategic thinking, problem-solving skills, and the ability to deliver tangible business impact through UI development, particularly in an eCommerce context.

💵 Compensation & Benefits

Salary Range:

Benefits:

• Comprehensive Health Insurance: Medical, dental, and vision coverage for employees and dependents.

• Retirement Savings Plan: Contributions towards a provident fund or similar retirement savings schemes.

• Paid Time Off: Generous leave policies including vacation days, sick leave, and public holidays.

• Professional Development: Opportunities for training, certifications, conference attendance (especially in React, GraphQL, and eCommerce), and access to online learning platforms.

• Performance Bonuses: Potential for annual performance-based bonuses.

• Employee Stock Purchase Plan (ESPP): Opportunity to purchase Avnet stock at a discounted rate.

• Flexible Work Arrangements: Hybrid work model allowing for a balance between in-office collaboration and remote flexibility.

• Wellness Programs: Initiatives focused on employee well-being, such as gym memberships or wellness stipends.

Working Hours:

• Standard working hours are typically 40 hours per week, operating within India Standard Time (IST). While a hybrid model is in place, flexibility may be required to accommodate cross-functional team collaboration across different time zones and to meet project deadlines, especially during critical release periods common in eCommerce operations.

📝 Enhancement Note: Salary has been estimated based on industry benchmarks for senior-level software development roles in Bangalore, India, considering the specific technologies and the company's global stature. Benefits are typical for large tech organizations and are framed to appeal to operations professionals who value stability, growth, and work-life balance.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology Distribution & Electronic Components (Avnet), with a focus on eCommerce for Farnell. Avnet is a Fortune 500 company that plays a critical role in the global supply chain for electronic components and solutions. Farnell, as part of Avnet, specializes in distributing a vast range of electronic products to engineers and businesses worldwide.

Company Size: Avnet is a large, established global corporation, employing over 15,000 people worldwide. This size indicates a structured environment with robust processes and opportunities for career advancement within a large organization.

Founded: Avnet was founded in 1925, bringing a long history of experience and stability to the market. Farnell was founded in 1939.

Team Structure:

• Cross-Functional Agility: You will be part of a dynamic UI development team working within cross-functional, Agile squads. These squads typically include Product Owners, Business Analysts, UX/UI Designers, Front-end Developers, and Back-end Developers.

• Reporting Hierarchy: The Senior UI Developer will likely report to a UI Development Manager or Lead, who in turn reports to a Director of Engineering or Head of Product Development.

• Collaboration Hubs: Expect regular interaction with UX/UI design teams for prototype implementation, back-end engineering teams for API integration, and Product Management for strategic alignment on eCommerce features and roadmap.

Methodology:

• Agile Development: The team operates using Agile methodologies (likely Scrum), emphasizing iterative development, frequent feedback loops, and adaptability to changing requirements.

• Data-Driven Decisions: UI development is informed by data analytics, user behavior tracking, and A/B testing results to optimize the customer journey and conversion rates.

• Continuous Improvement: A strong focus on refining development processes, adopting new technologies, and enhancing code quality through practices like pair programming and code reviews.

Company Website: https://www.avnet.com/ and https://www.farnell.com/

📝 Enhancement Note: The company context is enriched with details about Avnet's industry position and Farnell's specific role in eCommerce. The team structure and methodology are detailed to give operations-minded candidates insight into how work is organized and executed, emphasizing collaboration and data-driven approaches.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned at a Senior level, signifying a high degree of technical autonomy, responsibility for major features or modules, and contribution to architectural decisions. It's a critical role for the operational success of the eCommerce platform, directly impacting user experience, conversion rates, and customer satisfaction.

Reporting Structure: You will report into a management layer responsible for UI/Front-end development, likely working closely with a Product Owner or Scrum Master within your Agile team. Collaboration will extend horizontally across various engineering disciplines and vertically with product management and business stakeholders.

Operations Impact: As a Senior UI Developer, your work directly influences the performance and usability of Avnet's global eCommerce platform. This includes optimizing the customer journey, improving conversion rates, enhancing user engagement, and ensuring a stable, high-performing online storefront, all of which are critical operational metrics for online sales success.

Growth Opportunities:

• Technical Specialization: Deepen expertise in advanced front-end architecture, performance optimization, specific JavaScript frameworks, or explore adjacent areas like front-end DevOps or accessibility.

• Leadership & Mentorship: Transition into team lead roles, mentoring junior developers, or take on architectural responsibilities for significant platform initiatives.

• Cross-Functional Mobility: Opportunities to move into roles related to product management, technical program management, or even explore back-end development within the eCommerce domain.

• Global Mobility: As part of Avnet, there may be opportunities to work on projects with other global teams or relocate to different Avnet offices.

• Continuous Learning: Access to internal training programs, external conferences, and certifications to stay at the forefront of UI and eCommerce technology.

📝 Enhancement Note: This analysis focuses on the career trajectory of a Senior UI Developer within a large corporation like Avnet, highlighting how technical contributions directly map to operational success in eCommerce and outlining clear pathways for professional growth and development.

🌐 Work Environment

Office Type: The role is designated as Hybrid, indicating a blend of in-office work and remote flexibility. This suggests a modern office environment designed to foster collaboration and innovation.

Office Location(s): Bangalore, India. This location is a major technology hub, offering access to a rich talent pool and a vibrant tech ecosystem.

Workspace Context:

• Collaborative Spaces: The office will likely feature open-plan areas, meeting rooms, and dedicated collaboration zones to facilitate teamwork and brainstorming sessions for complex UI challenges.

• Technology Access: Expect access to high-performance workstations, necessary software licenses (IDE, design tools, testing platforms), and robust network infrastructure to support demanding development tasks.

• Team Interaction: Regular opportunities for face-to-face interaction with your immediate UI team, back-end engineers, UX/UI designers, and product stakeholders, enabling effective communication and problem-solving.

Work Schedule:

• The standard work week is 40 hours, aligning with typical business operations. However, the hybrid nature allows for some flexibility in scheduling, provided core collaboration hours and project deliverables are met. Adherence to Agile ceremonies and responsiveness during core business hours are expected.

📝 Enhancement Note: The work environment section is detailed to provide a realistic picture of what a hybrid role in a tech hub like Bangalore entails, focusing on the practical aspects relevant to a developer's daily work and collaboration needs.

📄 Application & Portfolio Review Process

Interview Process:

1. Initial Screening: A brief call with a recruiter to assess general fit, experience alignment, and salary expectations.

2. Technical Interview (Round 1): Focus on core front-end concepts, JavaScript fundamentals, React principles, and problem-solving skills. May involve live coding challenges or whiteboard exercises.

3. Technical Interview (Round 2 - Senior/Lead Focus): Deeper dive into architectural design, performance optimization strategies, API integration patterns (GraphQL/REST), and experience with specific tools like Apollo Client and Node.js. This round often includes discussing past projects and decision-making rationale.

4. Portfolio Review & Case Study Presentation: A dedicated session where you present selected projects from your portfolio, demonstrating your process, technical solutions, and quantifiable impact. This is a crucial part of assessing your senior-level capabilities and problem-solving approach.

5. Hiring Manager/Team Interview: Discussion focused on team fit, collaboration style, mentorship approach, and understanding of eCommerce operations. May involve behavioral questions and scenario-based problem-solving.

6. Final Round (Optional): May include a discussion with senior leadership or a final technical deep-dive.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 of your most impactful projects that best showcase your senior-level skills in React, TypeScript, Node.js,

GraphQL, and performance optimization within an eCommerce context.

• Structure Your Narrative: For each project, clearly articulate:

  • The business problem or user need.
  • Your specific role and contributions.
  • The technical challenges and solutions implemented (e.g., caching strategies, API integration, performance enhancements).
  • The technologies used and why they were chosen.
  • The measurable business impact (e.g., conversion rate improvement, load time reduction, user engagement increase).

• Showcase Code Quality: Be prepared to walk through key code snippets that demonstrate clean architecture, reusability, testing, and adherence to best practices.

• Highlight Collaboration: Discuss how you collaborated with UX/UI designers, back-end developers, and product teams to achieve project goals.

• Focus on "Why": Explain the rationale behind your technical decisions, demonstrating strategic thinking and an understanding of trade-offs.

Challenge Preparation:

• Practice Live Coding: Familiarize yourself with common coding challenges in JavaScript, React, and algorithm/data structure problems. Platforms like LeetCode or HackerRank can be useful.

• Performance Scenarios: Be ready to discuss how you would diagnose and resolve performance bottlenecks in a large-scale eCommerce application.

• API Design Discussion: Prepare to discuss concepts related to GraphQL schema design, query optimization, and integration patterns with Node.js back-ends.

• Behavioral Questions: Prepare STAR method (Situation, Task, Action, Result) responses for common questions about leadership, teamwork, conflict resolution, and handling challenging projects.

• Company Research: Understand Avnet's business, Farnell's eCommerce strategy, and current trends in the electronics distribution and online retail space.

📝 Enhancement Note: This section provides actionable advice tailored to a senior-level technical role, emphasizing the importance of a strong portfolio and strategic preparation for interviews, especially given the eCommerce operational context.

🛠 Tools & Technology Stack

Primary Tools:

• Front-end Framework: ReactJS (primary)

• Language: TypeScript, JavaScript (ES6+)

• State Management: Apollo Client (for GraphQL), potentially Redux or Context API for other state needs.

• Styling: Styled Components, CSS3, HTML5

• Component Library: Storybook for UI component development and documentation.

• Back-end Integration: Node.js, Apollo Server (for GraphQL APIs)

• Testing: Jest (unit/integration), potentially Cypress or Playwright for end-to-end testing.

• Version Control: Git, GitLab (GitFlow)

Analytics & Reporting:

• Web Analytics: Google Analytics, Adobe Analytics (or similar) for user behavior tracking.

• A/B Testing: Adobe Target (or similar platforms) for experimentation and optimization.

• Performance Monitoring: Tools like Lighthouse, WebPageTest, and potentially New Relic or Datadog for application performance monitoring.

CRM & Automation:

• While not directly a UI developer tool, familiarity with how the front-end interacts with CRM systems (e.g., Salesforce, Microsoft Dynamics) and marketing automation platforms through APIs is beneficial for understanding the broader eCommerce ecosystem.

• CDN/Caching: Akamai (or other CDNs) for front-door caching and performance.

📝 Enhancement Note: This section provides a comprehensive overview of the expected technology stack, which is critical for any operations or development role. It includes primary development tools, analytics, and areas of integration, highlighting the interconnectedness of UI development with broader business operations.

👥 Team Culture & Values

Operations Values:

• Customer Centricity: A strong focus on understanding and meeting the needs of the end-user (engineers, procurement specialists) to deliver an exceptional online shopping experience, directly impacting sales and customer loyalty.

• Data-Driven Decision Making: Emphasizing the use of analytics, user feedback, and A/B testing results to guide development priorities and validate the effectiveness of UI changes.

• Collaboration & Teamwork: Fostering an environment where developers, designers, and product managers work together seamlessly, sharing knowledge and supporting each other to achieve common goals.

• Innovation & Continuous Improvement: Encouraging the exploration of new technologies and methodologies to enhance platform capabilities, improve efficiency, and stay ahead of industry trends.

• Quality & Excellence: A commitment to delivering high-quality, robust, and performant code, with a strong emphasis on testing, code reviews, and best practices.

Collaboration Style:

• Agile & Iterative: Collaboration is primarily structured around Agile sprints, involving daily stand-ups, sprint planning, reviews, and retrospectives, encouraging frequent communication and feedback.

• Cross-Functional Partnership: Developers are expected to work closely with UX/UI designers to translate visual concepts into functional interfaces and with back-end engineers to ensure smooth API integrations and data flow.

• Knowledge Sharing: Active participation in the Front-end Guild and internal communities of practice, promoting the sharing of best practices, solutions to common problems, and learning from collective experience.

• Open Communication: Encouraging open dialogue, constructive feedback, and proactive problem-solving across all levels and departments involved in the eCommerce platform development.

📝 Enhancement Note: This section translates generic company values into operations-specific terms, highlighting how they apply to a Senior UI Developer role in an eCommerce setting and detailing the expected collaboration dynamics.

⚡ Challenges & Growth Opportunities

Challenges:

• Scaling Global eCommerce: The primary challenge is ensuring the UI remains performant, scalable, and maintainable as the global eCommerce platform grows in complexity, traffic, and feature set.

• Legacy System Integration: Potentially integrating modern front-end solutions with existing back-end systems or legacy infrastructure, requiring careful architectural planning and execution.

• Balancing Innovation with Stability: Keeping pace with rapidly evolving front-end technologies while ensuring the stability and reliability of a high-traffic, revenue-critical eCommerce site.

• Cross-Time Zone Collaboration: Effectively contributing to and collaborating with distributed teams across different geographical locations and time zones.

Learning & Development Opportunities:

• Advanced React & GraphQL: Deepen expertise in complex React patterns, performance tuning, and advanced GraphQL features.

• eCommerce Architecture: Gain in-depth knowledge of eCommerce platform architecture, including headless CMS, PIM (Product Information Management), and DAM (Digital Asset Management) systems.

• Performance Engineering: Specialize in front-end performance optimization, caching strategies, and CDN management.

• Leadership Skills: Develop mentoring, coaching, and technical leadership capabilities through formal training and hands-on experience.

• Industry Exposure: Attend relevant conferences (e.g., React Conf, GraphQL Summit, eCommerce industry events) and pursue certifications to stay at the forefront of the field.

📝 Enhancement Note: Challenges are framed in the context of a senior role in a large eCommerce operation, and growth opportunities are aligned with career progression in specialized technical fields or leadership within the technology domain.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex UI challenge you faced on a large-scale eCommerce platform and how you architected a solution. What were the trade-offs?" (Focus on demonstrating strategic thinking, problem-solving, and understanding of scalability/performance).

• "How would you approach optimizing the load time of a product listing page with thousands of items and multiple API calls?" (Assess knowledge of caching, code splitting, lazy loading, and API optimization).

• "Walk us through a project where you significantly improved the performance or user experience of a web application. What metrics did you track, and what was the outcome?" (Prepare a STAR method response with quantifiable results and a clear narrative).

Company & Culture Questions:

• "How do you stay updated with the latest trends in React and web development, and how do you advocate for adopting new technologies within a team?" (Demonstrate proactivity and a passion for learning).

• "Describe your experience mentoring junior developers. What is your approach to code reviews and knowledge sharing?" (Showcase leadership potential and collaborative spirit).

• "What are your thoughts on the importance of UI performance for an eCommerce business like ours?" (Connect your technical skills to business impact and operational success).

Portfolio Presentation Strategy:

• Select Impactful Projects: Choose projects that showcase your expertise in React, TypeScript, Node.js, GraphQL, and performance optimization, ideally with an eCommerce focus.

• Tell a Story: For each project, clearly outline the problem, your solution, the technologies used, your specific contributions, and the measurable business outcomes. Use visuals (screenshots, diagrams) where appropriate.

• Focus on Senior-Level Contributions: Emphasize architectural decisions, complex problem-solving, performance tuning, and leadership/mentorship aspects.

• Be Ready for Deep Dives: Prepare to discuss specific code implementations, design patterns, and technical challenges in detail.

• Quantify Results: Whenever possible, use data and metrics to demonstrate the impact of your work (e.g., "reduced load time by 30%", "increased conversion rate by 5%").

📝 Enhancement Note: This section provides specific, actionable advice on interview preparation, focusing on questions and strategies relevant to a senior technical role in an eCommerce environment, and emphasizes how to effectively present a portfolio.

📌 Application Steps

To apply for this Senior UI Developer - eCommerce position:

• Submit your application through the provided Workday portal link: https://avnet.wd1.myworkdayjobs.com/External/job/Bangalore-India/Senior-UI-Developer---eCommerce_JR-020719

• Tailor Your Resume: Highlight your experience with React, TypeScript, Node.js, GraphQL, Apollo Client, and performance optimization techniques. Quantify achievements using metrics where possible, especially relating to eCommerce performance or user experience improvements.

• Prepare Your Portfolio: Curate 2-3 strong project examples that demonstrate your senior-level capabilities in UI development, API integration, and performance optimization. Ensure you can articulate the business impact of your work.

• Practice Interview Questions: Familiarize yourself with common technical, behavioral, and scenario-based questions relevant to a Senior UI Developer role in an eCommerce context. Practice articulating your thought process for complex problem-solving.

• Research Avnet & Farnell: Understand the company's mission, their role in the electronics distribution market, and Farnell's eCommerce strategy. 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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