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 / Software Development

Date Posted: 2026-09-03

Experience Level: Senior (6-8 Years)

Remote Status: On-site

🚀 Role Summary

• Develop and architect scalable React enterprise applications, focusing on robust frontend component design and integration strategies.

• Drive the implementation of best practices in React Hooks, state management with Redux, and asynchronous data handling using TanStack Query.

• Lead code reviews, ensuring adherence to coding standards, security, and engineering excellence for enterprise-grade systems.

• Enhance operational efficiency by contributing to CI/CD pipelines, logging, monitoring, and deployment automation.

• Perform root cause analysis for production issues and performance bottlenecks, implementing sustainable solutions.

📝 Enhancement Note: This role is specifically for a Senior Engineer focused on the UI/Frontend aspect, with a strong emphasis on React and its ecosystem within an enterprise context. The responsibilities highlight a blend of hands-on development, architectural design, and contributions to operational improvements, indicating a senior individual contributor role with potential for technical leadership.

📈 Primary Responsibilities

• Design and develop scalable React enterprise applications that align with both business objectives and engineering architectural goals.

• Define clear API contracts, service boundaries, and robust integration strategies for distributed and enterprise-grade systems.

• Establish and enforce reusable React component architecture and scalable frontend integration patterns across projects.

• Spearhead the implementation of reusable React Hooks and sophisticated, scalable component-driven architecture patterns.

• Take full ownership of end-to-end delivery for assigned modules, encompassing design, development, testing support, and deployment readiness.

• Conduct thorough code reviews to ensure strict adherence to coding standards, security guidelines, and established engineering best practices.

• Lead the implementation and management of Redux state management across complex enterprise frontend applications.

• Drive continuous improvements in CI/CD pipelines, logging, monitoring systems, and deployment automation to enhance overall operational efficiency.

• Troubleshoot production issues and identify performance bottlenecks by performing detailed root cause analysis and implementing sustainable fixes.

• Implement advanced TanStack Query (React Query) strategies for optimized asynchronous data handling, efficient caching, and seamless data synchronization.

📝 Enhancement Note: The responsibilities detail a senior-level individual contributor role. The emphasis on "defining API contracts," "reusable component architecture," "leading Redux implementation," and "driving improvements in CI/CD" suggests a need for proactive technical leadership and strategic thinking within the frontend domain.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's or Master's degree in Computer Science, Engineering, or a related field is typically expected for a Senior Engineer role.

Experience: 6-8 years of professional experience in frontend development, with a significant focus on building complex enterprise-grade applications using React.

Required Skills:

• React: In-depth expertise in building scalable and performant user interfaces with React.

• JavaScript (ES6+): Strong proficiency in modern JavaScript features and best practices.

• CSS3 & HTML5: Advanced understanding of semantic HTML and modern CSS for responsive and accessible UIs.

• React Hooks: Extensive experience in leveraging React Hooks for functional component development and state management.

• Redux: Proven experience in implementing and managing global state with Redux for enterprise applications.

• TanStack Query (React Query): Demonstrated ability to use TanStack Query for efficient data fetching, caching, and state synchronization.

• React Testing Library (RLT): Proficiency in writing effective unit and integration tests for React components using RLT.

• React Maps: Experience with integrating and managing map functionalities within React applications.

• React Performance Optimization: Skilled in identifying and resolving performance bottlenecks in React applications.

Preferred Skills:

• Experience with CI/CD pipeline development and maintenance.

• Familiarity with API design principles and integrating with backend services.

• Knowledge of modern frontend build tools and bundlers.

• Experience with performance monitoring and logging tools.

• Understanding of DevOps principles as they apply to frontend development.

📝 Enhancement Note: The mandatory skills list is highly specific and comprehensive, indicating a strong focus on a particular technology stack. Candidates should be prepared to demonstrate deep expertise in each of these areas, especially React, its state management, data handling libraries, and testing frameworks.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase at least 2-3 complex React applications or significant modules developed within the last 5 years, highlighting enterprise-scale solutions.

• For each project, clearly articulate the problem statement, your specific role, the technologies used (especially React, Redux, TanStack Query), and the architectural decisions made.

• Provide examples of reusable component libraries, custom React Hooks, and state management patterns implemented.

• Demonstrate experience with performance optimization techniques and present metrics showing improvement (e.g., load times, rendering performance).

• Include examples of test suites written using React Testing Library, showcasing coverage and effectiveness. Process Documentation:

• Be prepared to discuss your process for designing scalable frontend architectures, including API contract definition and integration strategies.

• Detail your approach to implementing and managing Redux state for complex applications, including considerations for maintainability and performance.

• Explain your methodology for driving improvements in CI/CD, logging, and monitoring for frontend applications.

• Describe your process for troubleshooting production issues, performing root cause analysis, and implementing fixes.

• Illustrate how you apply TanStack Query for optimized asynchronous data handling and caching in real-world scenarios.

📝 Enhancement Note: For a Senior Engineer role, a strong portfolio is critical. It should not just list projects but demonstrate architectural thinking, problem-solving skills, and a deep understanding of the specified technologies and their application in enterprise environments. The focus should be on demonstrating ownership and impact.

💵 Compensation & Benefits

Salary Range: Given the experience level (6-8 years), location (Noida, India), and the specific, in-demand skill set (Senior React Engineer), the estimated salary range would be ₹1,500,000 to ₹2,500,000 per annum. This range reflects the typical compensation for senior software engineers in the IT sector in Noida, considering Iris Software's standing as a growing IT services company.

Benefits:

• Personalized career development programs.

• Opportunities for continuous learning and skill enhancement.

• Mentorship from experienced professionals.

• Comprehensive health and well-being support.

• Access to world-class benefits designed for holistic professional and personal growth.

• Potential for involvement in cutting-edge projects leveraging technologies like Data & Analytics, Cloud, DevOps, and AI/ML.

Working Hours: The standard working hours are likely 40 hours per week, with potential for flexibility depending on project needs and team dynamics. The role is on-site, requiring full-time commitment in the Noida office.

📝 Enhancement Note: The salary estimate is based on current market data for Senior React Engineers in Noida, India, considering the required experience and skills. Benefits are derived from the provided text and are typical for established IT companies aiming to attract and retain talent.

🎯 Team & Company Context

🏢 Company Culture

Industry: Information Technology (IT) Services and Consulting, with a focus on application and product engineering, data & analytics, cloud, DevOps, and business automation. Iris Software serves enterprise clients across financial services, healthcare, transportation & logistics, and professional services.

Company Size: Over 4,300 associates across India, USA, and Canada, positioning Iris Software as a significant player in the IT services landscape. This size allows for both specialized teams and cross-functional project opportunities.

Founded: Iris Software has a history of growth and recognition, being named one of India’s Top 25 Best Workplaces in the IT industry. Their vision is to be a trusted technology partner and a preferred employer for top professionals.

Team Structure:

• The engineering teams are likely structured around specific domains or client projects, with specialized roles in frontend, backend, data, and DevOps.

• Reporting lines probably involve a Tech Lead or Engineering Manager, with close collaboration expected across different engineering disciplines and with product/project managers.

• Cross-functional collaboration is a key aspect, given the company's involvement in complex, mission-critical applications and technology-enabled transformations. Methodology:

• Data Analysis & Insights: Application of data-driven approaches for performance optimization and identifying areas for improvement in development processes.

• Workflow Planning & Optimization: Designing and refining development workflows to enhance efficiency, scalability, and maintainability of enterprise applications.

• Automation & Efficiency: Emphasis on leveraging automation in CI/CD, testing, and deployment to streamline operations and reduce manual effort.

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

📝 Enhancement Note: Iris Software positions itself as a fast-growing IT services company with a strong emphasis on employee value and career growth. The culture appears to be one that encourages ownership, learning, and impactful work, supported by numerous awards and recognitions.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as a Senior Engineer, indicating a position beyond junior or mid-level. It requires not only advanced technical proficiency in React and related technologies but also the ability to architect solutions, mentor others, and contribute to process improvements. This level typically involves significant technical ownership and problem-solving capabilities.

Reporting Structure: The Senior Engineer will likely report to a Tech Lead, Engineering Manager, or a similar senior technical role. They will also collaborate closely with product managers, project managers, and potentially other senior engineers and architects on cross-functional teams.

Operations Impact: While this is a frontend engineering role, its impact is critical to the overall success of enterprise applications. By designing scalable, performant, and maintainable UIs, the engineer directly influences user experience, application stability, and the efficiency of development teams. Contributions to CI/CD and performance optimization also directly impact operational efficiency and time-to-market.

Growth Opportunities:

• Operations Skill Advancement: Opportunities to deepen expertise in React, explore new frontend technologies, and gain exposure to backend integration, cloud technologies, and DevOps practices.

• Leadership Development: Potential to grow into a Tech Lead role, mentoring larger teams, driving architectural decisions, and taking on more strategic project responsibilities.

• Specialization: Possibility to specialize further in areas like performance engineering, accessibility, or frontend architecture within the company's diverse service offerings.

📝 Enhancement Note: The "Operations" in the context of this role refers to the engineering operations and lifecycle of software development, not traditional Revenue or Sales Operations. The growth path emphasizes technical leadership and specialization within the software engineering domain.

🌐 Work Environment

Office Type: The role is on-site in Noida, India. This suggests a traditional office environment designed for in-person collaboration, team meetings, and focused work.

Office Location(s): Noida, Uttar Pradesh, India. This is a major IT hub in India, offering good connectivity and access to talent.

Workspace Context:

• Collaborative Environment: The office setting likely facilitates direct interaction with colleagues, fostering teamwork and knowledge sharing, especially crucial for complex engineering challenges.

• Tools & Technology: Access to standard development hardware, software, and potentially specialized tools for performance monitoring, debugging, and collaboration. The company's focus on modern technologies implies access to up-to-date development environments.

• Team Interaction: Opportunities for daily stand-ups, sprint reviews, pair programming, and ad-hoc discussions with team members, managers, and stakeholders.

Work Schedule: The role is full-time, likely adhering to standard Indian business hours (e.g., 9 AM to 6 PM IST) with a 5-day work week, as is common in the IT industry. The on-site nature means dedicated office time.

📝 Enhancement Note: The on-site requirement in Noida points to a structured work environment that values face-to-face collaboration and team cohesion, which can be beneficial for complex problem-solving and knowledge transfer in a senior engineering role.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Assessment: Expect one or more technical interviews focusing on React, JavaScript, HTML/CSS, state management (Redux), data handling (TanStack Query), and problem-solving. This may include coding challenges, system design questions, and debugging scenarios.

• Portfolio Review: A session dedicated to walking through your portfolio, discussing your contributions to key projects, architectural decisions, and the impact of your work. Be prepared to explain technical trade-offs and challenges.

• Behavioral/Manager Interview: An interview with the hiring manager or a senior team member to assess behavioral competencies, leadership potential, and alignment with company culture and values.

• Final Round: Potentially a final interview with a senior leader or director for final approval.

Portfolio Review Tips:

• Curate Selectively: Choose projects that best demonstrate your expertise in React, enterprise application development, and the specific skills mentioned in the job description.

• Structure Your Narrative: For each project, clearly outline: the problem, your solution, the technologies used, your specific contributions, challenges faced, and the outcomes/impact.

• Quantify Achievements: Whenever possible, use metrics to demonstrate the impact of your work (e.g., "reduced load time by 30%", "improved conversion rate by 15%").

• Highlight Architecture: Discuss your design decisions, including component architecture, state management strategy, and API integration approaches.

• Be Ready for Deep Dives: Anticipate detailed questions about your code, design choices, and problem-solving process.

Challenge Preparation:

• Practice Coding Problems: Focus on JavaScript and React-specific algorithms, data structures, and common UI patterns. LeetCode, HackerRank, and similar platforms can be helpful.

• System Design: Prepare for questions on designing scalable frontend architectures, handling state management in complex applications, and integrating with backend services.

• Live Coding: Be comfortable coding in a shared editor environment, explaining your thought process as you code.

• Behavioral Questions: Prepare STAR method (Situation, Task, Action, Result) responses for questions related to ownership, collaboration, problem-solving, and mentoring.

📝 Enhancement Note: The interview process will heavily scrutinize your technical depth in React and your ability to apply it in an enterprise context. A well-prepared portfolio presentation is crucial for demonstrating your senior-level capabilities and impact.

🛠 Tools & Technology Stack

Primary Tools:

• React: The core framework for building user interfaces.

• React Hooks: Essential for modern functional component development.

• Redux: For managing complex application state.

• TanStack Query (React Query): For optimized asynchronous data handling and caching.

• React Testing Library (RLT): For unit and integration testing of React components.

• React Maps: For implementing map-based features.

Analytics & Reporting:

• While not explicitly listed, expect usage of tools for performance monitoring (e.g., Lighthouse, browser dev tools, potentially third-party APM tools), error tracking (e.g., Sentry, LogRocket), and potentially analytics platforms for user behavior tracking. CRM & Automation:

• Not directly applicable to this frontend role, but understanding how frontend applications integrate with backend systems and potentially CRM data is beneficial. Experience with CI/CD tools (e.g., Jenkins, GitLab CI, GitHub Actions) is a plus for driving deployment automation.

📝 Enhancement Note: Proficiency in the listed React ecosystem tools is non-negotiable. Experience with tools that enhance development workflow, testing, and deployment automation will be highly valued, reflecting the responsibility for improving operational efficiency.

👥 Team Culture & Values

Operations Values:

• Technical Ownership: A strong sense of responsibility for the quality, scalability, and performance of the code and systems developed.

• Engineering Excellence: Commitment to high standards in coding, design, testing, and deployment processes.

• Collaboration & Communication: Valuing teamwork, open communication, and effective stakeholder management.

• Continuous Learning & Adaptability: Embracing new technologies, evolving engineering practices, and a proactive approach to skill development.

• Problem-Solving: A focus on analytical thinking and the ability to resolve complex technical challenges effectively.

• Efficiency & Automation: Driving improvements in processes and workflows through automation and optimization.

Collaboration Style:

• Cross-functional Integration: Working closely with backend engineers, product managers, designers, and QA teams to deliver cohesive solutions.

• Process Review Culture: Participating in code reviews, design discussions, and retrospectives to foster continuous improvement.

• Knowledge Sharing: Actively sharing expertise, mentoring junior developers, and contributing to internal documentation and best practices.

📝 Enhancement Note: Iris Software emphasizes a culture of "Build Your Future. Own Your Journey." This suggests an environment that empowers employees, encourages initiative, and supports personal and professional growth, aligned with the values of ownership, excellence, and continuous learning.

⚡ Challenges & Growth Opportunities

Challenges:

• Architectural Complexity: Designing and maintaining scalable frontend architectures for large, complex enterprise applications that evolve over time.

• Performance Optimization: Continuously identifying and resolving performance bottlenecks in a demanding enterprise environment, especially with increasing feature sets.

• Integration with Diverse Systems: Seamlessly integrating the frontend with various backend services and potentially legacy systems.

• Mentoring Junior Developers: Effectively guiding and upskilling less experienced engineers while managing personal project responsibilities.

• Keeping Pace with Technology: Adapting to the rapid evolution of the React ecosystem and frontend technologies.

Learning & Development Opportunities:

• Advanced React & Frontend Specialization: Opportunities to become an expert in advanced React patterns, state management, performance tuning, and potentially related frameworks.

• Cross-Domain Exposure: Gaining exposure to backend technologies, cloud infrastructure, DevOps practices, and data engineering through cross-functional project involvement.

• Leadership Training: Access to mentorship and training programs for developing leadership skills, managing projects, and guiding technical teams.

• Industry Certifications & Conferences: Potential for company sponsorship to attend relevant tech conferences or pursue certifications to enhance expertise.

📝 Enhancement Note: The role presents opportunities to tackle significant technical challenges, which directly translate into substantial growth and learning experiences for ambitious senior engineers.

💡 Interview Preparation

Strategy Questions:

• React Architecture: "Describe your approach to designing a scalable and maintainable React component architecture for an enterprise application. How would you handle state management and data fetching for complex scenarios?" (Prepare to discuss component patterns, hooks, Redux, TanStack Query, and API contract definitions.)

• Problem-Solving & Ownership: "Walk me through a challenging production issue you encountered in a React application. What was your process for root cause analysis, and what sustainable fix did you implement? How did you ensure technical ownership throughout?" (Use the STAR method and focus on detailed technical analysis and proactive problem-solving.)

• Process Improvement: "How have you contributed to improving CI/CD pipelines, monitoring, or deployment automation for frontend applications in previous roles? What was the impact?" (Prepare specific examples demonstrating your initiative and understanding of operational efficiency.)

Company & Culture Questions:

• Iris Culture: "What interests you about Iris Software's culture, particularly our 'Build Your Future. Own Your Journey.' philosophy?" (Research the company's values and awards, and connect them to your career aspirations and work style.)

• Team Collaboration: "Describe your experience mentoring junior developers. How do you balance mentoring with your own development responsibilities?" (Highlight your communication skills, patience, and ability to foster growth in others.)

• Impact & Metrics: "How do you measure the success and impact of your frontend development work beyond just code delivery?" (Focus on user experience, performance metrics, application stability, and contribution to business goals.)

Portfolio Presentation Strategy:

• Storytelling: Frame your portfolio projects as narratives – problem, solution, your role, challenges, and impact.

• Technical Depth: Be ready to discuss the 'why' behind your technical decisions, not just the 'what.' Explain trade-offs and alternatives considered.

• Interactive Elements: If possible, have live demos or interactive prototypes ready. Be prepared to navigate through codebases or relevant documentation.

• Focus on Seniority: Emphasize your architectural contributions, leadership in technical decision-making, and ability to mentor others.

📝 Enhancement Note: The interview process is designed to assess not only your technical prowess but also your strategic thinking, problem-solving capabilities, and cultural fit. A well-prepared and confident presentation of your portfolio will be key to showcasing your senior-level expertise.

📌 Application Steps

To apply for this Senior UI React Engineer position:

• Submit your application through the official Iris Software careers portal via the provided link.

• Tailor Your Resume: Ensure your resume prominently features keywords from the job description, such as "React," "JavaScript (ES6+)," "Redux," "TanStack Query," "React Hooks," "CI/CD," and "Performance Optimization." Quantify achievements and highlight experience with enterprise applications.

• Prepare Your Portfolio: Curate your strongest React projects. For each, prepare a concise narrative covering the problem, your solution, technical stack, your specific contributions, and measurable outcomes. Be ready to discuss architectural decisions and challenges.

• Practice Interview Questions: Rehearse answers to common technical and behavioral questions, focusing on demonstrating your expertise, ownership, problem-solving skills, and ability to mentor. Prepare to discuss your portfolio in detail.

• Research Iris Software: Understand their company culture, values, client industries, and recent achievements. This will help you articulate your interest and cultural fit during interviews.

⚠️ 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.