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 / UI Engineering (eCommerce focus)

Date Posted: January 10, 2026

Experience Level: Senior (5-10 years)

Remote Status: On-site

🚀 Role Summary

• Lead the design and development of high-performance, responsive user interfaces for Avnet's global eCommerce platform, leveraging modern front-end technologies.

• Drive technical excellence and best practices in React/TypeScript development, contributing to scalable and visually appealing user experiences.

• Collaborate effectively with cross-functional teams, including Product Owners, UX/UI Designers, and back-end engineers, to deliver integrated eCommerce solutions.

• Champion front-end architecture, performance optimization, and the adoption of cutting-edge technologies within the UI Development team.

📝 Enhancement Note: The role's focus on "eCommerce platform" and specific technologies like React, TypeScript, Node.js, and Apollo Client, coupled with the "Senior" title, clearly positions this as a specialized front-end engineering role within a GTM (Go-To-Market) technology function, directly impacting user experience and conversion rates. The emphasis on performance optimization and caching (Akamai) highlights critical operations aspects within the front-end domain for large-scale web applications.

📈 Primary Responsibilities

• Spearhead the development of interactive and visually compelling user interfaces using React, TypeScript, and associated libraries, ensuring a seamless and engaging customer journey.

• Translate complex business requirements and UX/UI designs into robust, scalable technical solutions, fostering a cohesive and intuitive e-commerce experience.

• Implement advanced UI performance optimization strategies, including refactoring caching solutions (Akamai, internal layers), lazy loading, and code splitting to ensure rapid load times and responsiveness across all devices.

• Integrate front-end components with back-end services via RESTful and GraphQL APIs, utilizing Apollo Client for efficient data fetching and state management.

• Actively participate in code reviews, advocate for clean, maintainable code, and ensure comprehensive automated testing coverage (e.g., Jest) to uphold software quality standards.

• Mentor and guide junior and mid-level developers, sharing expertise in React development, front-end architecture, and best practices to foster team growth and skill development.

• Contribute actively to the internal Front-end Guild, sharing knowledge, best practices, and insights on modern UI development approaches within the e-commerce domain.

• Collaborate closely with back-end engineers to define and optimize API integrations, influencing the overall architecture and performance of the application stack.

• Stay abreast of emerging front-end technologies, React ecosystem advancements, and e-commerce trends, proposing and implementing innovative solutions to enhance the platform.

📝 Enhancement Note: The responsibilities emphasize a blend of hands-on development, technical leadership, and strategic contribution. The explicit mention of "optimizing the performance of the UI," "updating and refactoring our extensive caching solution," and integrating with "RESTful and GraphQL APIs built with Node.js and Apollo Server" points to a deep involvement in the technical operations of the front-end, directly impacting user conversion and site stability.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience, is generally expected for senior-level roles in technology.

Experience: Proven experience as a Front-End or UI Developer, with a strong track record of delivering complex web applications. Demonstrated experience in a senior capacity or the ability to perform at that level is crucial.

Required Skills:

• Core Framework: Expert proficiency in ReactJS and its ecosystem, including hooks, context API, and component lifecycle management.

• Language: Mastery of TypeScript for robust, scalable front-end development.

• API Integration: Strong experience with GraphQL, specifically using Apollo Client for queries, mutations, and state management.

• Back-end Integration: Solid understanding of Node.js and experience integrating front-end applications with back-end services.

• Web Standards: Expertise in HTML5, CSS3, and modern JavaScript (ES6+).

• Responsive Design: Proven ability to implement responsive designs that ensure optimal viewing across various devices and screen sizes.

• Version Control: Proficient in Gitlab and adherence to GitFlow version control processes for collaborative development.

• Testing Frameworks: Familiarity with front-end testing frameworks, with specific experience in Jest.

• Performance Optimization: Expertise in optimizing UI performance through techniques such as lazy loading, code splitting, and efficient caching strategies.

• Collaboration Tools: Experience translating designs from tools like Figma and Storybook into functional UIs.

• Problem-Solving: Strong analytical and user-centric problem-solving skills.

• Agile Methodologies: Previous experience working within an Agile/Scrum development environment.

Preferred Skills:

• Caching/CDN: Experience with Akamai caching or other Content Delivery Network (CDN) technologies.

• Component Libraries: Experience with Styled Components and Storybook for UI component development and documentation.

• Loadable Components: Familiarity with Loadable Components for performance optimization.

• A/B Testing: Experience with A/B testing tools such as Adobe Target.

• eCommerce Platforms: Familiarity with the specific challenges and best practices of building and scaling e-commerce platforms.

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

📝 Enhancement Note: The "Required Skills" section is heavily populated based on the explicit mention of technologies in the job description. The 'preferred skills' are derived from technologies mentioned as beneficial or complementary to the core stack, such as Akamai caching, Styled Components, Storybook, and Headless CMS, which are common in enterprise e-commerce environments and directly relate to performance and content management operations.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• React/TypeScript Projects: Showcase detailed examples of complex user interfaces built with React and TypeScript, highlighting architectural decisions and problem-solving approaches.

• Performance Optimization Case Studies: Present specific instances where you identified and resolved UI performance bottlenecks, quantifying improvements in load times, responsiveness, or conversion rates.

• API Integration Examples: Demonstrate experience integrating front-end applications with RESTful and GraphQL APIs, illustrating how data was fetched, managed, and displayed effectively.

• Responsive Design Adaptations: Include examples of how you've ensured a consistent and high-quality user experience across various devices and screen sizes for a single application.

Process Documentation:

• Workflow Design: Illustrate your ability to design and document effective front-end development workflows, including branching strategies (GitFlow) and collaboration protocols.

• Testing & Quality Assurance: Provide examples of how you implement and document automated testing strategies (e.g., Jest unit tests, integration tests) to ensure code quality and prevent regressions.

• Performance Monitoring & Refinement: Detail processes for monitoring UI performance in production (e.g., using browser dev tools, Akamai insights) and how you’ve used this data to drive iterative improvements.

• Agile Development Practices: Showcase your understanding and application of Agile principles through examples of sprint contributions, participation in ceremonies, and iterative development cycles.

📝 Enhancement Note: The portfolio requirements are tailored to a senior UI developer role, emphasizing not just the output (UI) but the underlying processes and systems thinking. The focus on performance optimization, API integration, and testing directly aligns with operational excellence in front-end development.

💵 Compensation & Benefits

Salary Range: Given the "Senior" title, 5-10 years of experience, and the specific technology stack (React, TypeScript, Node.js, GraphQL), the estimated salary range for a Senior UI Developer in Bangalore, India, would typically fall between ₹18,00,000 to ₹30,00,000 per annum. This estimate is based on industry benchmarks for senior front-end engineers in major tech hubs in India, considering the demand for specialized e-commerce development skills.

Benefits:

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

• Retirement Savings Plan: Contributions to a provident fund or similar retirement savings scheme.

• Paid Time Off: Generous annual leave, sick leave, and public holidays.

• Professional Development: Opportunities for training, certifications, conference attendance, and access to learning resources to stay current with front-end technologies.

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

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

• Flexible Work Arrangements: While this role is on-site, the company may offer occasional flexibility or hybrid options based on team needs and performance.

Working Hours: Standard full-time working hours are typically 40 hours per week, Monday to Friday, with potential for occasional overtime during critical project phases or release cycles. The role is based on-site in Bangalore.

📝 Enhancement Note: Salary estimation for Bangalore, India, is based on current market data for senior-level software engineering roles with specialized front-end skills. Benefits are typical for large, established technology companies like Avnet, focusing on employee well-being, financial security, and professional growth.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology Distribution and Services. Avnet, as a global distributor of electronic components, products, and services, operates within a critical B2B technology supply chain sector. Farnell, an Avnet company, specifically focuses on high-service distribution for electronic design, maintenance, and repair, serving a broad range of industries from industrial and aerospace to automotive and consumer electronics.

Company Size: Avnet is a large enterprise, employing over 15,000 people globally. This scale suggests a structured environment with established processes, robust IT infrastructure, and significant resources dedicated to technology development and operational efficiency.

Founded: Avnet was founded in 1927. This long history indicates stability, deep market experience, and a mature corporate culture that has adapted through numerous technological evolutions. Farnell was founded in 1939.

Team Structure:

• The Senior UI Developer will be part of a dedicated UI development team, likely comprising multiple senior, mid-level, and junior developers.

• This team operates within a larger engineering or digital product organization, reporting up through a UI Development Manager or Lead.

Methodology:

• Agile Development: The team works in small Agile increments and larger strategic projects, indicating a commitment to iterative development, flexibility, and continuous delivery.

• Data-Driven Decisions: While not explicitly stated for UI, the emphasis on performance optimization and potentially A/B testing (Adobe Target) suggests a data-driven approach to understanding user behavior and improving outcomes.

• Cross-Functional Collaboration: Working in "cross-functional teams" highlights a collaborative approach where different disciplines contribute to project success.

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

📝 Enhancement Note: The company context emphasizes Avnet's scale and long-standing presence, suggesting a stable environment with opportunities for impact on a large platform. The focus on e-commerce within Farnell highlights a critical GTM function where UI development directly influences revenue and customer acquisition/retention.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned at a "Senior" level, indicating a need for seasoned expertise and the capacity for technical leadership. A Senior UI Developer is expected to not only execute tasks but also to influence technical direction, mentor others, and contribute to architectural decisions. This level often serves as a stepping stone to Lead Developer, Architect, or Management roles.

Reporting Structure: The Senior UI Developer will likely report to a UI Development Manager or Lead. They will work closely with Product Owners for project direction and collaborate extensively with back-end engineers and architects on system design and integration.

Operations Impact: The UI Developer's work directly impacts the customer-facing aspects of Avnet's e-commerce platform. This includes user experience, website performance, conversion rates, and overall customer satisfaction. Optimizing these elements is crucial for driving revenue, customer loyalty, and market competitiveness – core objectives of any GTM operations strategy.

Growth Opportunities:

• Technical Specialization: Deepen expertise in React, GraphQL, performance optimization, and e-commerce architecture, potentially becoming a subject matter expert.

• Leadership Development: Transition into a Lead UI Developer role, taking ownership of larger projects, mentoring teams, and contributing more significantly to architectural strategy.

• Architectural Influence: Contribute to the broader front-end architecture, influencing technology choices, best practices, and long-term platform strategy.

• Cross-Functional Mobility: Develop a strong understanding of back-end systems and business processes, potentially leading to roles in full-stack development or technical product management.

• Mentorship & Training: Formalize mentoring responsibilities and contribute to internal training programs for junior developers.

📝 Enhancement Note: The growth analysis focuses on how a senior role in a critical GTM function like UI development for e-commerce can lead to broader impacts and career progression within a large organization, tying technical skills to business outcomes.

🌐 Work Environment

Office Type: The role is specified as "On-site" in Bangalore, India. This suggests a traditional office environment designed for in-person collaboration, team meetings, and focused work.

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

Workspace Context:

• Collaborative Spaces: The office likely features collaborative zones, meeting rooms, and open-plan areas designed to facilitate interaction between team members and cross-functional departments.

• Technology Infrastructure: Expect access to robust IT infrastructure, high-speed internet, and standard developer workstations equipped with necessary software and tools.

• Team Interaction: The on-site nature facilitates spontaneous discussions, pair programming, and quick problem-solving sessions, which are invaluable for complex UI development.

Work Schedule: The standard working hours are 40 hours per week, typically Monday to Friday. While the role requires on-site presence, there may be an expectation of flexibility to meet project deadlines, including occasional overtime during critical periods. The focus on Agile suggests structured daily stand-ups and sprint planning sessions.

📝 Enhancement Note: The on-site requirement is noted, with context provided on typical office environments in tech hubs like Bangalore and how they support collaborative development processes crucial for a UI team.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or recruiter call to assess basic qualifications, interest, and cultural fit.

• Technical Screening: A call with a hiring manager or senior developer to discuss technical background, experience with core technologies (React, TypeScript, GraphQL), and high-level problem-solving approaches.

• Coding Challenge/Assignment: A practical exercise, potentially a take-home assignment or a live coding session, to evaluate proficiency in React, TypeScript, and problem-solving skills. This may involve building a small component or solving a specific UI challenge.

• On-site/Virtual Interviews: Multiple rounds with different team members, including senior developers, architects, and potentially product managers. These interviews will delve deeper into technical knowledge, architectural thinking, performance optimization strategies, and how you handle complex development scenarios. Expect questions about specific projects, challenges faced, and solutions implemented.

• Portfolio Review: A dedicated session where you present selected projects from your portfolio, explaining your role, technical decisions, challenges, and outcomes. This is a critical part of assessing your practical experience and communication skills.

• Final Interview: Potentially with a Director or VP level, focusing on strategic thinking, leadership potential, and overall fit with Avnet's culture and long-term vision.

Portfolio Review Tips:

• Curate Selectively: Choose 2-3 of your most impactful projects that best showcase your skills in React, TypeScript, GraphQL, performance optimization, and responsive design, especially those with an e-commerce or complex application context.

• Quantify Impact: For each project, clearly articulate the business problem, your specific contributions, the technical challenges overcome, and the measurable outcomes (e.g., improved load times, increased conversion rates, enhanced user engagement).

• Explain Technical Decisions: Be prepared to walk through your architectural choices, the reasoning behind technology selections (e.g., why Apollo Client, why Akamai caching), and how you handled trade-offs.

• Highlight Collaboration: Describe how you worked with designers, back-end teams, and product owners.

• Showcase Code Quality: If possible, provide links to public repositories or be ready to discuss code structure, testing strategies, and maintainability.

• Practice Your Presentation: Rehearse your presentation to ensure a clear, concise, and engaging walkthrough that fits within the allocated time.

Challenge Preparation:

• Algorithm & Data Structures: Brush up on fundamental algorithms and data structures relevant to front-end challenges.

• React Patterns: Review common React design patterns, state management techniques, and lifecycle methods.

• API Interaction: Practice scenarios involving fetching and manipulating data from APIs (REST/GraphQL).

• Performance Optimization: Be ready to discuss strategies for optimizing rendering, network requests, and asset loading.

• Problem Decomposition: Practice breaking down complex problems into smaller, manageable components and articulating your thought process clearly.

📝 Enhancement Note: The interview and portfolio process is structured to assess not only technical skills but also problem-solving abilities, leadership potential, and communication effectiveness, which are crucial for a senior role in a large organization. The emphasis on portfolio presentation highlights the need for candidates to demonstrate tangible achievements.

🛠 Tools & Technology Stack

Primary Tools:

• JavaScript Framework: ReactJS

• Language: TypeScript

• API Query Language: GraphQL

• API Client: Apollo Client

• Back-end Runtime: Node.js

• Version Control: Gitlab (with GitFlow)

• Styling: CSS3, Styled Components (likely)

• Component Development: Storybook (likely)

• Testing: Jest (required), potentially others for e2e testing.

• Performance Tools: Browser Developer Tools (Chrome DevTools), Akamai (for CDN/caching), potentially Lighthouse.

Analytics & Reporting:

• A/B Testing: Adobe Target (preferred)

• General Analytics: Google Analytics or similar for tracking user behavior and conversion metrics.

CRM & Automation:

• While not directly a UI developer tool, understanding how the front-end interacts with CRM systems (e.g., Salesforce) and marketing automation platforms is beneficial for context in an e-commerce environment. Integration tools may be used extensively behind the scenes.

📝 Enhancement Note: This section consolidates the explicit technology mentions from the job description, organizing them into relevant categories that a front-end developer would encounter. The inclusion of Akamai and Adobe Target highlights specific operational tools used for performance and experimentation.

👥 Team Culture & Values

Operations Values:

• Customer-Centricity: A strong focus on delivering exceptional user experiences that drive customer satisfaction and business growth. This translates to prioritizing user needs in design and development.

• Technical Excellence: Commitment to high-quality, maintainable, and performant code, driven by best practices and continuous learning.

• Collaboration & Teamwork: Valuing open communication, knowledge sharing, and mutual support within cross-functional teams and the broader UI development community (Front-end Guild).

• Innovation & Adaptability: Embracing new technologies and modern approaches to solve challenges and improve the e-commerce platform.

• Accountability & Ownership: Taking responsibility for delivering robust solutions, from development through to performance and user impact.

Collaboration Style:

• Cross-Functional Integration: Working closely with product, design, and back-end teams to ensure alignment and successful integration of front-end components.

• Guild-Based Learning: Actively participating in the Front-end Guild to share knowledge, discuss challenges, and collectively advance front-end practices.

• Mentorship: A culture that encourages senior developers to mentor and guide junior team members, fostering skill development across the team.

• Agile Ceremonies: Regular participation in stand-ups, sprint planning, reviews, and retrospectives to ensure continuous improvement and transparent communication.

📝 Enhancement Note: The team culture and values are inferred from statements about collaboration, mentorship, the Front-end Guild, and the general need for user-centricity in an e-commerce role. These align with modern tech company values focused on collaboration and continuous improvement.

⚡ Challenges & Growth Opportunities

Challenges:

• Scaling a Global Platform: Maintaining performance, consistency, and scalability across a large-scale, global e-commerce platform with diverse user needs and technical constraints.

• Legacy System Integration: Navigating and integrating with potentially older back-end systems or infrastructure while introducing modern front-end solutions.

• Balancing Innovation and Stability: Implementing new features and technologies while ensuring the stability and reliability of a critical revenue-generating platform.

• Keeping Pace with Technology: Continuously adapting to the rapidly evolving landscape of front-end technologies and e-commerce trends.

• Cross-Team Dependencies: Managing dependencies and communication effectively across multiple teams (back-end, product, UX) to ensure timely delivery.

Learning & Development Opportunities:

• Advanced React & GraphQL: Opportunities to deepen expertise in complex patterns, performance tuning, and advanced features of these technologies.

• eCommerce Architecture: Gaining in-depth knowledge of e-commerce specific challenges, such as payment gateways, order management integration, and personalization engines.

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

• Leadership & Mentorship: Developing leadership skills through mentoring junior developers and potentially leading feature development initiatives.

• Industry Conferences & Certifications: Access to participate in leading front-end and e-commerce conferences and pursue relevant certifications.

📝 Enhancement Note: The challenges are framed around the complexities inherent in a senior role on a large, global e-commerce platform, providing context for the expected problem-solving and strategic thinking. Growth opportunities are linked to deepening expertise in core technologies and expanding into related areas.

💡 Interview Preparation

Strategy Questions:

• Technical Architecture: "Describe the architecture of a complex e-commerce UI you've worked on. How did you handle state management, data fetching, and ensure performance?" (Focus on React, Apollo Client, performance, and integration).

• Problem-Solving Scenario: "Imagine our site's load time increases by 2 seconds during peak traffic. What steps would you take to diagnose and resolve this issue?" (Focus on diagnostic tools, caching, code splitting, and collaborative troubleshooting).

• Mentorship & Leadership: "How would you mentor a junior developer struggling with React hooks or TypeScript? Describe a time you advocated for a new technology or process within your team." (Focus on leadership, communication, and best practice advocacy).

Company & Culture Questions:

• Avnet's E-commerce Strategy: "What do you see as the biggest challenges and opportunities for a B2B e-commerce platform like Farnell's in today's market?" (Research Avnet/Farnell's market position, competitors, and digital strategy).

• Team Collaboration: "How do you approach collaborating with UX designers and back-end engineers? Describe a situation where you had a disagreement on technical approach and how you resolved it." (Highlight communication, compromise, and focus on shared goals).

• Impact Measurement: "How do you measure the success of your UI development efforts beyond just code completion? What metrics are most important for an e-commerce platform?" (Focus on user experience, conversion rates, performance metrics).

Portfolio Presentation Strategy:

• Narrative Arc: Structure your presentation with a clear beginning (problem), middle (solution/your role), and end (results/impact).

• Visuals are Key: Use screenshots, diagrams, and potentially short video clips to illustrate your work and technical solutions.

• Focus on "Why": Explain the rationale behind your technical decisions, not just what you did, but why you did it.

• Quantify Achievements: Wherever possible, use data and metrics to demonstrate the positive impact of your work.

• Be Prepared for Deep Dives: Anticipate detailed questions about your code, architecture, and problem-solving approaches.

📝 Enhancement Note: The interview preparation focuses on anticipating questions related to the specific technologies, challenges, and responsibilities outlined in the job description, with an emphasis on demonstrating senior-level thinking and practical application.

📌 Application Steps

To apply for this Senior UI Developer position:

• Submit your application through the provided career portal link.

• Tailor Your Resume: Highlight your experience with React, TypeScript, Node.js, GraphQL, Apollo Client, and performance optimization. Quantify achievements in previous roles, especially those related to e-commerce or large-scale web applications.

• Prepare Your Portfolio: Select 2-3 key projects that best demonstrate your skills. Be ready to present them clearly, focusing on your contributions, technical decisions, and measurable outcomes.

• Research Avnet/Farnell: Understand their business, their e-commerce presence, and their market position. Familiarize yourself with their technology stack and company values.

• Practice Technical Concepts: Review core JavaScript, React, TypeScript, and GraphQL concepts, as well as performance optimization techniques and common front-end testing strategies.

⚠️ 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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