UI React - Senior Engineer

📍 Job Overview

Job Title: UI React - Senior Engineer

Company: Iris Software

Location: Noida, Uttar Pradesh, India

Job Type: Full-time

Category: Frontend Engineering / UI Development

Date Posted: May 27, 2026

Experience Level: Senior (5-10 years)

Remote Status: On-site

🚀 Role Summary

• Drive the development of high-quality, responsive user interfaces using React JS and modern JavaScript frameworks.

• Implement complex UI features and ensure seamless integration with backend services, focusing on scalability and performance.

• Collaborate with cross-functional teams to translate business requirements into robust and user-friendly frontend solutions.

• Champion best practices in frontend development, including code quality, testing, and accessibility standards.

• Contribute to the continuous improvement of the development lifecycle, from design to deployment, optimizing for efficiency and innovation.

📝 Enhancement Note: This role is a Senior Engineer position focusing on UI development with a strong emphasis on React. The description and mandatory competencies indicate a need for deep expertise in frontend technologies, including state management, testing, and core web technologies. The company's focus on enterprise clients and complex applications suggests a need for robust, scalable, and well-engineered frontend solutions.

📈 Primary Responsibilities

• Design, develop, and implement sophisticated user interfaces using React JS, leveraging React Hooks for efficient component management.

• Integrate frontend applications with backend APIs, ensuring smooth data flow and consistent user experiences across various devices and browsers.

• Write comprehensive unit and integration tests using Jest, Enzyme, or React Testing Library to ensure code quality, reliability, and maintainability.

• Optimize application performance and scalability by identifying and resolving frontend bottlenecks and implementing efficient coding practices.

• Collaborate closely with UI/UX designers, product managers, and backend engineers to deliver pixel-perfect and functionally accurate user experiences.

• Develop and maintain clear, concise documentation for UI components, features, and development processes.

• Participate in code reviews, providing constructive feedback to peers and ensuring adherence to coding standards and architectural guidelines.

• Troubleshoot and debug complex frontend issues, providing timely resolutions to ensure application stability.

• Stay abreast of emerging frontend technologies and industry trends, advocating for their adoption where beneficial to enhance product quality and development efficiency.

• Write efficient and optimized SQL queries for data retrieval and manipulation as required for frontend data integration.

📝 Enhancement Note: The core responsibilities are inferred from the "Job Description" and "Mandatory Competencies" sections, emphasizing React, associated middleware (Redux), testing, and SQL. The role's seniority implies leadership in technical decision-making and mentorship.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Experience: Minimum of 5 years of professional experience in frontend development, with at least 5 years specifically focused on React JS.

Required Skills:

• JavaScript: Deep understanding of modern JavaScript (ES6+) and its nuances.

• React JS: Extensive experience building complex, scalable applications with React JS.

• React Hooks: Proficient in utilizing React Hooks for functional component development and state management.

• State Management: Strong experience with Redux, including middleware like Redux Thunk or Redux Saga for asynchronous operations.

• HTML/CSS: Mastery of HTML5 and CSS3 for semantic markup and responsive design.

• Unit Testing: Proven experience with unit testing frameworks such as Jest, Enzyme, or React Testing Library for robust frontend testing.

• SQL: Ability to write efficient SQL queries for data handling and integration.

• API Integration: Experience integrating frontend applications with RESTful or GraphQL APIs.

Preferred Skills:

• TypeScript: Experience with TypeScript for enhanced code quality and maintainability.

• Next.js/Gatsby: Familiarity with React frameworks for server-side rendering or static site generation.

• Build Tools: Experience with frontend build tools like Webpack, Babel, or Vite.

• CI/CD: Understanding of Continuous Integration/Continuous Deployment pipelines for frontend applications.

• Agile Methodologies: Experience working in Agile/Scrum development environments.

• Version Control: Proficiency with Git and collaborative development workflows.

📝 Enhancement Note: The required skills are directly extracted from the provided "Job Description" and "Mandatory Competencies." Preferred skills are inferred based on common industry expectations for a Senior UI React Engineer working in an enterprise IT services company that handles complex applications.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase at least 2-3 significant React JS projects demonstrating complex UI development, state management (Redux), and responsive design.

• Include examples of projects that highlight experience with unit testing frameworks (Jest, React Testing Library) and demonstrate code quality.

• Provide links to live applications or well-documented GitHub repositories that clearly articulate your role and contributions.

• Demonstrate experience in optimizing frontend performance and implementing efficient data fetching strategies.

Process Documentation:

• Provide documentation or case studies outlining your approach to frontend development workflows, from requirements gathering to deployment.

• Detail your process for implementing unit tests, including test coverage strategies and impact on development cycles.

• Explain your methodology for troubleshooting and debugging complex frontend issues, including tools and techniques used.

• Illustrate your approach to collaborating with designers and backend teams to ensure seamless integration and adherence to specifications.

📝 Enhancement Note: Portfolio requirements are tailored for a senior frontend engineer, emphasizing practical application of skills, quality assurance processes (testing), and collaborative development workflows. The focus is on demonstrating tangible results and well-defined development methodologies.

💵 Compensation & Benefits

Salary Range: INR 12,00,000 - 25,00,000 per annum, depending on experience, skills, and interview performance.

Benefits:

• Health & Well-being: Comprehensive health insurance, wellness programs, and access to mental health resources.

• Financial Support: Competitive salary, potential for performance-based bonuses, and retirement savings plans.

• Professional Development: Opportunities for continuous learning, certifications, workshops, and attendance at industry conferences.

• Work-Life Balance: Paid time off, flexible working arrangements (where applicable), and company-sponsored events.

• Growth Opportunities: Clear career progression paths, mentorship programs, and exposure to diverse, challenging projects.

Working Hours: Standard Indian work week, typically 40 hours per week, Monday to Friday. Occasional flexibility may be required to meet project deadlines.

📝 Enhancement Note: The salary range is estimated based on industry benchmarks for a Senior UI React Engineer in Noida, India, with 5-10 years of experience. The benefits are expanded from the provided "Financial Support", "Health Benefits", and "Well-being Needs" to reflect typical offerings in the Indian IT sector for such roles.

🎯 Team & Company Context

🏢 Company Culture

Industry: Information Technology & Services, Software Development. Iris Software operates in a dynamic tech landscape, focusing on digital transformation and application engineering for enterprise clients.

Company Size: Over 4,300 associates. This indicates a large, established IT services firm with the resources and structure to support significant projects and employee development.

Founded: Not explicitly stated, but described as one of India's fastest-growing IT services companies, suggesting a history of innovation and expansion.

Team Structure:

• The UI development team is likely structured to support various client projects, comprising specialized roles like UI Developers, Frontend Architects, and potentially UI/UX Designers.

• Reporting structure would typically involve a Lead Engineer or Engineering Manager, with strong collaboration expected with Product Managers and Backend Engineering teams.

Methodology:

• Data Analysis & Insights: Frontend teams contribute to data-driven decisions by providing user interaction analytics and performance metrics.

• Workflow Planning & Optimization: Focus on Agile methodologies, iterative development, and continuous improvement of the frontend development lifecycle.

• Automation & Efficiency: Implementation of CI/CD pipelines, automated testing, and efficient code practices to streamline development and deployment.

Company Website: https://www.irissoftware.com/

📝 Enhancement Note: Company context is drawn from the provided "About Us" and "Why Join Iris?" sections, emphasizing growth, culture, and the company's position in the IT industry. The team structure and methodology are inferred based on standard practices for a large IT services firm and the specific role's focus.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Engineer role, signifying a position of significant technical contribution and potential leadership. Senior engineers are expected to not only execute complex tasks but also guide junior team members, influence technical direction, and contribute to architectural decisions within their domain.

Reporting Structure: Typically reports to a Lead UI Engineer, Frontend Architect, or Engineering Manager. This role will likely work closely with product owners and project managers, fostering strong cross-functional communication.

Operations Impact: The impact of this role is directly tied to the user experience and performance of client-facing applications. A Senior UI React Engineer contributes significantly to client satisfaction, product adoption, and the overall success of technology solutions by ensuring intuitive, efficient, and robust user interfaces.

Growth Opportunities:

• Technical Specialization: Deepen expertise in advanced React patterns, performance optimization, accessibility, or explore related technologies like WebAssembly.

• Leadership Development: Transition into roles such as Tech Lead, Frontend Architect, or Engineering Manager, mentoring teams and driving architectural strategy.

• Cross-Functional Exposure: Gain experience in other areas of the software development lifecycle, such as DevOps, cloud infrastructure, or backend development, through project involvement.

• Client Engagement: Develop skills in client communication and technical consultation, becoming a trusted advisor for frontend solutions.

📝 Enhancement Note: Career growth is analyzed based on typical progression paths for senior engineers in IT services companies, focusing on technical depth, leadership, and cross-functional development. The "operations" context is interpreted as the "software development operations" or "engineering operations" for this technical role.

🌐 Work Environment

Office Type: The role is described as "On-site," indicating a traditional office-based work environment within Iris Software's Noida facility. This typically fosters strong team collaboration, spontaneous knowledge sharing, and direct mentorship opportunities.

Office Location(s): Noida, Uttar Pradesh, India. This location places the engineer within a major IT hub in India, offering access to a large talent pool and a vibrant tech community.

Workspace Context:

• Collaborative Environment: Expect an office setup designed to encourage teamwork, with shared workspaces, meeting rooms, and common areas for informal discussions.

• Tools & Technology: Access to modern development hardware, high-speed internet, and potentially company-provided software licenses for all necessary development tools and platforms.

• Team Interaction: Regular face-to-face interactions with fellow engineers, designers, product managers, and other stakeholders, facilitating efficient communication and problem-solving.

Work Schedule: Standard 9 AM to 6 PM (IST) or similar, Monday to Friday, with potential for occasional overtime during critical project phases. The on-site nature ensures clear separation between professional and personal life, though flexibility might be offered on a case-by-case basis.

📝 Enhancement Note: The "Work Environment" section is inferred from the "On-site" attribute and the company's description as a large IT services firm, focusing on the implications for daily work, collaboration, and access to resources.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or HR representative will conduct an initial call to assess basic qualifications, experience, and cultural fit.

• Technical Interview 1 (Coding/Problem-Solving): Expect a hands-on coding challenge focusing on JavaScript, React, and problem-solving skills. This might involve live coding or a take-home assignment. Preparation should include practicing core JavaScript algorithms, React patterns, and state management.

• Technical Interview 2 (System Design/Architecture): A discussion on designing scalable and maintainable UI architectures, handling complex state, and optimizing performance. Be prepared to discuss trade-offs and justify design choices.

• Portfolio Review & Discussion: Present your curated portfolio, detailing your contributions, technical challenges faced, and solutions implemented in your projects. Focus on demonstrating your expertise in React, testing, and problem-solving.

• Hiring Manager/Team Lead Interview: A final discussion to assess leadership potential, team collaboration skills, and alignment with Iris Software's culture and values.

Portfolio Review Tips:

• Curate Strategically: Select projects that best showcase your expertise in React JS, state management (Redux), hooks, testing, and performance optimization.

• Highlight Your Role: Clearly articulate your specific contributions and technical decisions made within each project.

• Demonstrate Problem-Solving: For each project, describe a significant technical challenge you encountered and how you overcame it, emphasizing your analytical and problem-solving skills.

• Quantify Impact: Where possible, use metrics to demonstrate the impact of your work (e.g., performance improvements, user engagement increases, bug reduction).

• Code Quality: Ensure any linked repositories have clean, well-organized, and commented code.

Challenge Preparation:

• JavaScript Fundamentals: Review core JS concepts, asynchronous programming, and ES6+ features.

• React Ecosystem: Practice building components, managing state with Redux, using hooks, and implementing routing.

• Testing Frameworks: Understand how to write effective unit and integration tests with Jest/Enzyme/RTL.

• Algorithm Practice: Utilize platforms like LeetCode or HackerRank to sharpen algorithmic problem-solving skills relevant to frontend development.

• System Design Basics: Familiarize yourself with principles of scalable web application design.

📝 Enhancement Note: The interview and portfolio review process is detailed based on standard practices for senior engineering roles in IT services companies, with specific advice tailored to a UI React Engineer.

🛠 Tools & Technology Stack

Primary Tools:

• React JS: The core framework for building user interfaces.

• JavaScript (ES6+): The primary programming language for frontend development.

• HTML5 & CSS3: For structuring and styling web pages.

• Redux (Thunk/Saga): For managing application state.

• React Hooks: For functional component development and state management.

• Jest / Enzyme / React Testing Library: For unit and integration testing.

Analytics & Reporting:

• Browser Developer Tools: Essential for debugging, performance profiling, and inspecting UI elements.

• Analytics Platforms (e.g., Google Analytics, Adobe Analytics): Understanding how to integrate and utilize these for user behavior tracking.

• Performance Monitoring Tools: Such as Lighthouse, WebPageTest, or application performance monitoring (APM) tools.

CRM & Automation:

• Version Control Systems: Git (GitHub, GitLab, Bitbucket) for code management and collaboration.

• Build Tools: Webpack, Vite, or similar for bundling and optimizing frontend assets.

• CI/CD Tools (e.g., Jenkins, GitLab CI, Azure DevOps): Familiarity with automated build and deployment processes.

• SQL Clients: For interacting with databases when needed for data retrieval or verification.

📝 Enhancement Note: The technology stack is compiled directly from the "Job Description" and "Mandatory Competencies" sections, supplemented with common tools and technologies used in modern enterprise frontend development environments.

👥 Team Culture & Values

Operations Values:

• Excellence in Execution: A commitment to delivering high-quality, robust, and performant UI solutions that meet client expectations and industry standards.

• Innovation & Continuous Learning: Encouraging the exploration of new technologies and methodologies to drive efficiency and improve product offerings.

• Collaboration & Teamwork: Fostering an environment where team members work together effectively, share knowledge, and support each other's growth.

• Client-Centricity: A focus on understanding and meeting client needs, ensuring that technology solutions deliver tangible business value.

• Ownership & Accountability: Empowering individuals to take responsibility for their work, from development to delivery, and to drive positive outcomes.

Collaboration Style:

• Cross-Functional Integration: Seamless collaboration with product managers, designers, backend engineers, and QA teams to ensure holistic product development.

• Open Communication: Encouraging transparent dialogue, constructive feedback, and proactive problem-solving through regular team meetings and communication channels.

• Knowledge Sharing: Promoting a culture of learning through pair programming, code reviews, internal tech talks, and documentation.

📝 Enhancement Note: Team culture and values are inferred from Iris Software's stated values ("Build Your Future. Own Your Journey.", "truly values your talent and ambitions") and the nature of working in a large IT services company, focusing on collaboration and professional development.

⚡ Challenges & Growth Opportunities

Challenges:

• Managing Complex UIs: Developing and maintaining intricate user interfaces for diverse enterprise applications, ensuring consistency and scalability across different modules.

• Performance Optimization: Continuously improving frontend performance to deliver fast, responsive user experiences, especially with large datasets or complex interactions.

• Adapting to Evolving Technologies: Staying current with the rapid pace of change in the frontend landscape, including new React versions, libraries, and best practices.

• Cross-Team Dependencies: Effectively coordinating with backend teams, QA, and product stakeholders to manage dependencies and ensure timely delivery of integrated features.

Learning & Development Opportunities:

• Advanced React Patterns: Deep dive into complex state management, performance optimization techniques, and architectural patterns for large-scale React applications.

• New Technologies: Opportunities to learn and implement newer frontend technologies, frameworks, or tools as adopted by the company or client projects.

• Mentorship Programs: Benefit from guidance from senior engineers and architects, and potentially mentor junior developers as your career progresses.

• Industry Certifications & Conferences: Support for obtaining relevant certifications and attending industry events to stay at the forefront of frontend development.

📝 Enhancement Note: Challenges and growth opportunities are identified based on the senior-level nature of the role, the focus on React, and the context of working within an IT services company that handles complex enterprise projects.

💡 Interview Preparation

Strategy Questions:

• Describe a complex UI you've built using React. What were the primary technical challenges, and how did you address them using React Hooks and Redux?

• How do you approach unit testing for React components? Walk me through an example of testing a component with significant state or props.

• Discuss a time you had a disagreement with a designer or product manager regarding UI implementation. How did you resolve it?

• How do you ensure the performance and scalability of your React applications, especially as they grow in complexity?

Company & Culture Questions:

• What interests you most about Iris Software and this specific role?

• How do you stay updated with the latest trends and technologies in frontend development?

• Describe your ideal team environment and how you contribute to a positive team culture.

Portfolio Presentation Strategy:

• Storytelling: Frame your projects as stories, highlighting the problem, your solution, and the impact.

• Technical Deep Dive: Be prepared to explain the technical choices you made, the libraries you used, and why.

• Demonstrate Code Quality: If presenting code, ensure it’s clean, well-commented, and follows best practices.

• Highlight Collaboration: Discuss how you worked with other team members (designers, backend, QA) to achieve project goals.

• Focus on Impact: Quantify your achievements whenever possible (e.g., improved load times by X%, reduced bug reports by Y%).

📝 Enhancement Note: Interview questions are crafted to probe the candidate's technical depth, problem-solving abilities, collaboration skills, and understanding of the role's requirements, mirroring common interview practices for senior engineering positions.

📌 Application Steps

To apply for this UI React - Senior Engineer position:

• Visit the Iris Software careers portal and submit your application through the provided link.

• Tailor Your Resume: Highlight your 5+ years of experience with React JS, Redux, and associated technologies. Quantify achievements related to UI development, performance improvements, and testing.

• Prepare Your Portfolio: Curate your strongest React projects, ensuring they clearly demonstrate your skills in UI development, state management, testing, and problem-solving. Be ready to present and discuss your contributions in detail.

• Practice Technical Questions: Review core JavaScript, React concepts, Redux, and unit testing frameworks. Prepare to discuss your approach to UI architecture and performance optimization.

• Research Iris Software: Understand the company's mission, values, and recent projects to articulate your interest and cultural fit during the interview.

⚠️ 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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