UI Engineer

📍 Job Overview

Job Title: UI Engineer

Company: Marsh McLennan (Mercer)

Location: Gurugram, Haryana, India

Job Type: Full-time

Category: Technology / Software Engineering

Date Posted: 2026-06-10

Experience Level: 2-5 Years

Remote Status: Hybrid (Minimum 3 days in office)

🚀 Role Summary

• This role focuses on developing and enhancing the client-side of web applications, ensuring a seamless and engaging user experience.

• The UI Engineer will be instrumental in translating business requirements and user needs into functional, visually appealing, and maintainable code.

• Collaboration with cross-functional teams, including backend developers, product managers, and QA, is crucial for delivering high-quality, end-to-end solutions.

• The position requires a strong foundation in modern JavaScript frameworks, particularly React, and a deep understanding of web development best practices.

📝 Enhancement Note: While the job title is "UI Engineer," the description heavily emphasizes "Frontend Developer" and "Software Developer - II" responsibilities, indicating a role focused on core development rather than pure UI/UX design. The inclusion of "client-side web applications" and specific framework mentions confirms this. The role is clearly within the Software Engineering domain, specifically front-end development.

📈 Primary Responsibilities

• Develop, test, and deploy high-quality, responsive web pages and user interfaces using industry-standard HTML, CSS, and JavaScript frameworks, with a primary focus on React.

• Write clean, well-structured, and maintainable code, adhering to best practices in object-oriented design, data structures, and algorithm design.

• Collaborate effectively with backend developers to integrate front-end components with server-side logic and APIs.

• Actively participate in design reviews, code reviews, and test case reviews to ensure the delivery of robust and high-quality solutions.

• Analyze change requests and technical requirements, providing estimates for development effort and proposing efficient implementation strategies.

• Identify and resolve UI flaws in existing web pages, ensuring cross-browser and cross-device compatibility and a consistent user experience.

• Work closely with Product, QA, and Development teams to understand project requirements and contribute to the ideation and development of new features and components.

• Contribute to the continuous improvement of development processes, methodologies, and tools within an Agile/Scrum framework.

• Ensure the creation of a functional and attractive digital environment, prioritizing usability and visual design to enhance the overall user experience.

📝 Enhancement Note: The responsibilities list has been expanded to cover the full lifecycle of front-end development, including analysis, design, coding, testing, deployment, and maintenance, reflecting the "Software Developer - II" aspect of the role. Emphasis is placed on collaboration, code quality, and efficiency, aligning with typical expectations for a mid-level developer role in a large enterprise like Marsh McLennan.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience, is generally expected for a Software Developer II role.

Experience: A minimum of 3 years of professional working experience in front-end development, with a significant portion focused on the React framework.

Required Skills:

• Strong proficiency in JavaScript, including modern ES6+ features and best practices.

• Extensive hands-on experience with the React framework for building complex user interfaces.

• Solid understanding of HTML5 and CSS3, including semantic HTML and advanced styling techniques.

• Deep knowledge of object-oriented design principles, data structures, and algorithm design.

• Experience working within an Agile/Scrum development environment, participating in sprints, stand-ups, and retrospectives.

• Ability to create web interfaces that are cross-browser and device-agnostic, ensuring consistent performance and appearance.

• Proficiency in analyzing and solving complex technical problems and estimating development efforts accurately.

• Strong analytical abilities and the capacity to thrive in a fast-paced, dynamic work environment. Preferred Skills:

• Experience with TypeScript for enhanced JavaScript development.

• Familiarity with backend Java Web Frameworks, providing a broader understanding of the technology stack.

• Knowledge of other JavaScript frameworks like AngularJS or libraries like jQuery.

• Experience with CSS frameworks such as Bootstrap to accelerate UI development.

• Understanding of Responsive Design principles and Mobile First development methodologies.

• Experience with tools and concepts related to Continuous Integration/Continuous Deployment (CI/CD) pipelines.

• Familiarity with version control systems, particularly Git.

📝 Enhancement Note: The experience requirement has been refined to "2-5 Years" based on the "Software Developer - II" designation and the explicit mention of "at least 3-years working experience with React Framework." The required skills are directly extracted from the job description, with added context about the depth of understanding expected for a mid-level role. Preferred skills are included based on mentions in the job description and common additions that enhance a candidate's profile for such a role.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase examples of complex, interactive user interfaces built with React, demonstrating component-based architecture and state management.

• Include projects that highlight responsive design implementation across various devices and screen sizes.

• Provide evidence of writing clean, modular, and maintainable code, ideally with links to public GitHub repositories or detailed project descriptions.

• Demonstrate the ability to integrate front-end applications with APIs and backend services. Process Documentation:

• Case studies detailing the process of translating user stories or business requirements into functional front-end components.

• Examples of how you have approached code reviews, design reviews, and the identification and resolution of UI flaws.

• Documentation or descriptions of your experience working within Agile/Scrum methodologies, including contributions to sprint planning, task estimation, and retrospectives.

• Showcases of problem-solving techniques applied to front-end development challenges, including performance optimization and cross-browser compatibility issues.

📝 Enhancement Note: Given this is a development role, a portfolio is explicitly requested ("Must be able to demonstrate your love for programming through code walk through for an existing project previously done"). This section is tailored to highlight what such a portfolio should contain, focusing on demonstrating technical skills, process adherence, and problem-solving capabilities relevant to front-end development.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for a UI Engineer/Frontend Developer with 2-5 years of experience in Gurugram, India, the estimated annual salary range is ₹8,00,000 to ₹15,00,000. This range can vary based on the candidate's specific skills, experience, and performance during the interview process.

Benefits:

• Professional development opportunities to enhance skills and career growth.

• Access to interesting and impactful work, contributing to client and community solutions.

• Supportive leadership and a collaborative team environment.

• Inclusive culture that fosters talent and diverse perspectives.

• Opportunities for career advancement within a global organization.

• Rewards and benefits designed to enhance employee well-being.

Working Hours: The standard working hours are approximately 40 hours per week. This is a hybrid role, requiring a minimum of three days per week in the Gurugram office, with the remaining days offering flexibility for remote work.

📝 Enhancement Note: Salary range is estimated based on the role, experience level (2-5 years), and location (Gurugram, India), using common job market data for similar positions. Benefits are directly extracted from the "Why join our team" section of the job description. Working hours and arrangement are detailed as per the provided information.

🎯 Team & Company Context

🏢 Company Culture

Industry: The company operates within the professional services sector, specifically in areas of human capital, risk, strategy, and investments, through its businesses like Mercer, Marsh, Guy Carpenter, and Oliver Wyman. Mercer, the specific business unit mentioned, focuses on global leader in helping clients realize investment objectives, shape the future of work, and enhance health and retirement outcomes.

Company Size: Marsh McLennan is a large global corporation with over 85,000 employees worldwide, indicating a stable and well-established organizational structure with ample resources and opportunities.

Founded: Mercer was founded in 1945, and Marsh McLennan (formed from the merger of Marsh & McLennan and Putnam Investments) has a long history, suggesting a company with deep expertise, established processes, and a strong market presence.

Team Structure:

• The Technology team at Mercer is likely composed of various specialized groups, including front-end development, back-end development, QA, DevOps, and potentially UX/UI design.

• The role reports within a team structure that collaborates closely with Product, QA, and other development disciplines to deliver integrated solutions.

• Cross-functional collaboration is a key aspect, with frequent interaction with business users and other project stakeholders. Methodology:

• Development is conducted within an Agile/Scrum framework, emphasizing iterative development, collaboration, and continuous feedback.

• Processes include design reviews, code reviews, and test case reviews to ensure high standards of quality and maintainability.

• The team focuses on translating business needs into functional software, with an emphasis on user experience and technical excellence.

Company Website: https://www.mercer.com/ and https://www.marshmclennan.com/

📝 Enhancement Note: Company culture and team structure details are inferred from the provided company description and the nature of a large, global professional services firm. The emphasis on "Technology team," "hybrid work," and "collaboration" provides context for the operations environment.

📈 Career & Growth Analysis

Operations Career Level: This "UI Engineer" role, identified as "Software Developer - II," typically represents a mid-level position. It implies a candidate who has moved beyond entry-level tasks and can independently handle significant development responsibilities, contribute to design discussions, and mentor junior colleagues. The scope includes developing new features, maintaining existing code, and participating actively in the full software development lifecycle.

Reporting Structure: The UI Engineer will likely report to a Development Lead or Engineering Manager within the Technology department. They will work within a team of developers and collaborate closely with other functions like Product Management, QA, and potentially Business Analysts.

Operations Impact: The UI Engineer's work directly impacts the user experience of Mercer's web applications, which in turn affects client engagement, internal efficiency, and the overall perception of the company's digital offerings. High-quality front-end development contributes to user satisfaction, operational efficiency, and the successful delivery of business objectives.

Growth Opportunities:

• Skill Advancement: Opportunities to deepen expertise in React, explore adjacent technologies like TypeScript, or gain exposure to backend Java frameworks.

• Leadership Potential: Progression to Senior UI Engineer or Lead Developer roles, involving architectural decisions, technical leadership, and potentially team management.

• Cross-Functional Exposure: Chances to work on different product areas or collaborate with other technology teams within Marsh McLennan, broadening industry and technical knowledge.

• Professional Development: Access to training programs, workshops, and potentially certifications to enhance technical and soft skills.

📝 Enhancement Note: The career level and growth opportunities are inferred based on the "Software Developer - II" designation, the required experience, and the typical career progression paths within large technology organizations. The "Operations Impact" section is adapted to reflect how a UI Engineer's role contributes to the broader business operations and client service delivery.

🌐 Work Environment

Office Type: This is a hybrid role, meaning the work environment is a combination of office-based and remote work. The Gurugram office serves as a hub for collaboration, team meetings, and focused work requiring in-person interaction.

Office Location(s): The primary office location is Gurugram, India, specifically at the "Good Earth" facility mentioned in the location details. This location is accessible for employees residing in and around Gurugram.

Workspace Context:

• The office environment is designed to foster collaboration, with designated spaces for team meetings, design discussions, and focused individual work.

• As part of a hybrid model, employees are expected to utilize office resources for at least three days a week, leveraging this time for team synergy and in-person problem-solving.

• The company emphasizes a vibrant and inclusive culture, suggesting a dynamic and interactive workspace conducive to innovation and knowledge sharing.

• Access to standard office amenities, IT infrastructure, and potentially specialized development tools will be available.

Work Schedule: The typical work schedule involves approximately 40 hours per week. The hybrid arrangement allows for flexibility in balancing remote and in-office work, with at least three days required at the Gurugram office. This structure aims to provide work-life balance while ensuring team cohesion and productivity.

📝 Enhancement Note: The work environment description is based on the explicit mention of "hybrid role," "working at least three days a week in the office," and the company's commitment to a "diverse, inclusive and flexible work environment." The Gurugram location is specified, and the overall context is framed around a professional, collaborative office setting.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and portfolio to assess qualifications and experience against the job requirements.

• Technical Interview(s): Likely to include coding challenges, problem-solving exercises, and discussions on JavaScript, React, and web development concepts. Be prepared for live coding sessions or take-home assignments.

• Code Walkthrough: A session where you will present and discuss an existing project from your portfolio, explaining your design choices, implementation details, and challenges faced.

• Behavioral/Team Fit Interview: Questions assessing your communication skills, teamwork ability, problem-solving approach, and cultural fit with Mercer's values and hybrid work model.

• Manager/Hiring Lead Interview: A final discussion to gauge overall suitability, alignment with team goals, and career aspirations.

Portfolio Review Tips:

• Curate Select Projects: Choose 2-3 of your strongest projects that best showcase your React skills, problem-solving abilities, and experience with modern web development.

• Highlight Key Contributions: Clearly articulate your specific role and contributions within team projects. Quantify achievements where possible (e.g., "improved page load time by 15%").

• Focus on Code Quality: Ensure your code is clean, well-commented, and follows best practices. If sharing GitHub links, ensure repositories are well-organized and include README files.

• Prepare for the Walkthrough: Be ready to explain your architectural decisions, the technologies used, challenges overcome, and lessons learned. Practice explaining complex concepts clearly and concisely.

• Demonstrate Responsiveness: Include examples of how your projects adapt to different screen sizes and devices.

Challenge Preparation:

• Brush up on Fundamentals: Review core JavaScript concepts, data structures, algorithms, and object-oriented design principles.

• Practice React Concepts: Be ready to discuss component lifecycle, state management (e.g., hooks, Context API), hooks, and performance optimization in React.

• Understand Responsive Design: Prepare to discuss strategies for creating layouts that work across various devices.

• Agile/Scrum Awareness: Be prepared to discuss your experience working in Agile environments.

📝 Enhancement Note: This section is structured to provide actionable advice for candidates applying for this role. It assumes a standard interview process for a mid-level software engineer and offers specific tips tailored to a UI Engineer position, emphasizing the portfolio review and technical challenges.

🛠 Tools & Technology Stack

Primary Tools:

• JavaScript Framework: React (Extensive experience required).

• Core Languages: JavaScript (Strong proficiency), HTML5, CSS3.

• Potential Additions: TypeScript (Advantageous), AngularJS, jQuery (Plus).

• Styling/UI Frameworks: Bootstrap (Plus).

Analytics & Reporting: While not explicitly mentioned for this role, typical UI Engineers in enterprise settings might interact with tools used for front-end performance monitoring, analytics tracking (e.g., Google Analytics, Adobe Analytics), and debugging tools.

CRM & Automation: This role is primarily front-end development. Direct interaction with CRM systems like Salesforce or marketing automation platforms is unlikely, but understanding how front-end applications integrate with backend systems that manage such data is beneficial.

Development Environment:

• Version Control: Git is standard.

• Build Tools: Familiarity with build tools like Webpack or Vite is common for React development.

• Testing Frameworks: Experience with testing libraries like Jest, React Testing Library, or Cypress is often expected.

📝 Enhancement Note: The technology stack is detailed based on the explicit mentions in the job description (React, JavaScript, HTML, CSS, TypeScript, AngularJS, jQuery, Bootstrap, Java Web Frameworks). Other relevant tools and technologies common in a front-end development environment are included as likely components of the overall tech stack.

👥 Team Culture & Values

Operations Values:

• Quality & Maintainability: Emphasis on writing "clean well thought out design and code with an emphasis on quality, simplicity, and maintainability." This suggests a team that values robust, well-engineered solutions.

• Collaboration & Partnership: Strong emphasis on communicating effectively and partnering well with other disciplines to deliver solutions. This indicates a team that thrives on cross-functional teamwork.

• Continuous Improvement: A culture that encourages analyzing change requests, estimating effort, and finding the "quickest possible way" to implement features, coupled with a drive for innovation.

• User-Centricity: A focus on creating a "functional and attractive digital environment" and ensuring a "great user experience."

• Curiosity & Adaptability: Aspiring to be "tech-savvy" and "curious about new digital technologies" suggests an environment that embraces learning and adaptation.

Collaboration Style:

• Cross-Functional Integration: The role requires close collaboration with Product, QA, and backend development teams, indicating a highly integrated approach to software delivery.

• Agile Methodology: Working in an Agile/Scrum environment means collaboration is iterative, with frequent communication and feedback loops.

• Open Communication: Encouragement to "communicate effectively" and participate in "design reviews, code reviews, and test case reviews" suggests an open and transparent communication style within the team.

• Problem-Solving Focus: The team likely engages in collaborative problem-solving sessions to tackle technical challenges and optimize development processes.

📝 Enhancement Note: This section synthesizes the company's stated values and cultural elements from the job description, framing them within the context of a technology development team and highlighting how these values translate into daily work and collaboration for a UI Engineer.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Speed and Quality: Delivering features quickly in a fast-paced environment while maintaining high standards for code quality and user experience.

• Cross-Browser/Device Compatibility: Ensuring applications function flawlessly across a wide range of browsers and devices, which can be a persistent technical challenge.

• Integrating with Legacy/Complex Systems: Potentially working with existing backend systems or older codebases that may require complex integration efforts.

• Adapting to Evolving Technologies: Staying current with the rapid advancements in JavaScript frameworks, tools, and best practices within the front-end ecosystem.

• Hybrid Work Coordination: Effectively collaborating and maintaining team synergy in a hybrid work model, ensuring seamless communication and productivity.

Learning & Development Opportunities:

• Technical Specialization: Deepening expertise in React, exploring advanced state management, performance optimization techniques, and potentially server-side rendering.

• Broader Skill Acquisition: Gaining proficiency in TypeScript, understanding backend technologies (like Java Web Frameworks), and learning about CI/CD pipelines.

• Architectural Contributions: Opportunities to contribute to front-end architecture decisions and influence technical direction as a senior member of the team.

• Mentorship: Potential to mentor junior developers and guide them through technical challenges and career development.

• Industry Exposure: Engaging with industry trends through conferences, webinars, and internal knowledge-sharing sessions.

📝 Enhancement Note: Challenges are identified by considering the typical complexities of a mid-level developer role in a large enterprise, especially within a hybrid work model. Growth opportunities are aligned with typical career progression in software engineering and the specific technologies mentioned.

💡 Interview Preparation

Strategy Questions:

• Technical Depth: Be prepared to discuss your experience with React in detail. Expect questions on component lifecycle, state management (e.g., useState, useReducer, Context API), hooks, performance optimization (e.g., memoization, lazy loading), and error handling.

• Problem-Solving Scenarios: You may be given a hypothetical scenario (e.g., "How would you implement a searchable list that fetches data asynchronously?") and asked to outline your approach, including data fetching, state updates, and UI rendering.

• Code Review Simulation: You might be asked to review a piece of code, identify potential issues, and suggest improvements related to efficiency, readability, or maintainability.

Company & Culture Questions:

• Hybrid Work Philosophy: Be ready to discuss how you best contribute in a hybrid environment, your strategies for effective remote collaboration, and your understanding of the importance of in-office days.

• Teamwork and Collaboration: Describe situations where you've successfully collaborated with backend developers, QA, or product managers. How do you handle disagreements or differing technical opinions?

• Mercer/Marsh McLennan Context: Research Mercer's services and Marsh McLennan's business areas. Be prepared to articulate why you are interested in working for a company in the professional services industry and how your skills can contribute to their mission.

Portfolio Presentation Strategy:

• Storytelling: Frame your project presentations as stories: the problem, your solution, the technologies used, the challenges overcome, and the positive outcomes (e.g., improved user engagement, faster load times).

• Code Walkthrough Focus: For your chosen project, be ready to walk through specific components, explain key JavaScript logic, CSS structure, and how you managed application state. Highlight your "love for programming."

• Quantify Impact: Whenever possible, use metrics to demonstrate the success of your work. If exact numbers aren't available, describe the qualitative impact clearly.

• Technical Clarity: Explain technical concepts in a way that is understandable to both technical and potentially non-technical interviewers.

📝 Enhancement Note: This section provides specific preparation advice tailored to the UI Engineer role, covering technical aspects, behavioral questions, and how to effectively present a portfolio, all within the context of Marsh McLennan's stated requirements and culture.

📌 Application Steps

To apply for this UI Engineer position:

• Submit your application: Utilize the provided application link to submit your resume and any required supplementary materials.

• Portfolio Preparation: Curate your strongest 2-3 React projects. Ensure your GitHub repositories are well-organized with clear READMEs, or prepare detailed descriptions and screenshots if direct code sharing is not feasible. Focus on projects that demonstrate your problem-solving skills and adherence to clean code principles.

• Resume Optimization: Tailor your resume to highlight your 3+ years of experience with React, strong JavaScript, HTML, and CSS skills. Quantify your achievements and clearly list your experience with Agile/Scrum methodologies and any preferred technologies like TypeScript.

• Interview Practice: Practice explaining your portfolio projects, focusing on the "code walkthrough" aspect. Prepare to discuss your approach to hybrid work, cross-browser compatibility, and collaborative problem-solving. Review core JavaScript, React, and data structure concepts.

• Company Research: Familiarize yourself with Mercer's services, Marsh McLennan's broader business, and their commitment to a hybrid work environment. Understand their values regarding quality, collaboration, and innovation.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and industry-standard assumptions. Salary ranges are estimates and may vary. All details, including specific requirements and benefits, should be verified directly with the hiring organization during the application and interview process.