UI React - Senior Engineer

📍 Job Overview

Job Title: Senior UI React Engineer

Company: Iris Software

Location: Noida, Uttar Pradesh, India

Job Type: Full-Time

Category: Frontend Engineering / Software Development

Date Posted: 2026-09-16

Experience Level: Senior (5-8 Years)

Remote Status: On-site

🚀 Role Summary

• Design, develop, and implement scalable React enterprise applications, focusing on robust component architecture and efficient integration strategies.

• Drive the adoption and implementation of reusable React Hooks and scalable component-driven architecture patterns to enhance development velocity and maintainability.

• Lead the end-to-end delivery of frontend modules, encompassing design, development, testing support, and ensuring deployment readiness, with a strong emphasis on quality and best practices.

• Spearhead improvements in CI/CD pipelines, logging, monitoring, and deployment automation to elevate operational efficiency and system reliability.

• Perform detailed root cause analysis for production issues and performance bottlenecks, implementing sustainable fixes and proactive measures.

📝 Enhancement Note: This role is positioned as a Senior Engineer within a fast-growing IT services company, indicating a need for strong technical leadership, architectural input, and a focus on scalable, enterprise-grade solutions. The emphasis on "owning and shaping your success story" suggests an environment that values initiative and individual contribution.

📈 Primary Responsibilities

• Architect and develop highly scalable, enterprise-grade React applications that align with strategic business objectives and engineering roadmaps.

• Define precise API contracts, establish clear service boundaries, and strategize effective integration patterns for complex distributed and enterprise-grade systems.

• Design and enforce reusable React component architecture principles and scalable frontend integration strategies to foster consistency and efficiency across projects.

• Spearhead the implementation of advanced React Hooks and sophisticated, scalable component-driven architecture patterns to optimize frontend development.

• Take full ownership of the end-to-end delivery lifecycle for assigned modules, from initial design and development through testing support and deployment readiness.

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

• Lead the implementation and strategic management of Redux state management across multiple enterprise frontend applications, ensuring data consistency and predictability.

• Champion and drive improvements within CI/CD pipelines, logging, monitoring frameworks, and deployment automation processes to enhance overall operational efficiency and system stability.

• Proactively troubleshoot production issues and performance bottlenecks by conducting in-depth root cause analysis and implementing sustainable, long-term fixes.

• Implement advanced TanStack Query (React Query) strategies to optimize asynchronous data handling, caching mechanisms, and overall application responsiveness.

📝 Enhancement Note: The responsibilities highlight a blend of hands-on development, architectural design, process improvement, and leadership. The focus on enterprise applications, distributed systems, and complex data handling suggests a challenging and impactful role within a mature engineering environment.

🎓 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: 5-8 years of professional experience in frontend development, with a significant focus on React.

Required Skills:

• Expert proficiency in React and its ecosystem.

• Strong command of CSS3, HTML5, and modern JavaScript (ES6+).

• In-depth experience with React Hooks for state management and side effects.

• Familiarity with React Maps for data visualization or geographical data integration.

• Proven ability in React Performance Optimization techniques to ensure fast and responsive applications.

• Advanced knowledge of Redux for complex state management in large-scale applications.

• Hands-on experience with TanStack Query (React Query) for efficient asynchronous data fetching and caching.

• Proficiency in unit and integration testing using Jest.

• Experience with MS SQL for data interaction or understanding database principles. Preferred Skills:

• Experience with CI/CD pipeline implementation and optimization.

• Knowledge of API design principles and contract definition.

• Familiarity with broader frontend architecture patterns and best practices.

• Experience mentoring junior developers.

📝 Enhancement Note: The required skills are highly specific to modern React development, indicating a need for candidates with deep, practical experience in these areas. The inclusion of both TanStack Query and Redux suggests the company may utilize multiple state management strategies or is transitioning/integrating solutions, requiring adaptable candidates.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 2-3 significant React projects demonstrating end-to-end development experience, ideally in an enterprise or complex application context.

• Provide clear documentation or live examples of reusable React component architecture and how it was implemented for scalability and maintainability.

• Include case studies detailing specific performance optimization initiatives undertaken, with measurable results (e.g., load time reduction, rendering improvements).

• Demonstrate experience with state management solutions (Redux or TanStack Query), illustrating complex data flows and state synchronization strategies.

• Present examples of unit tests written using Jest, highlighting code coverage and testing methodologies applied. Process Documentation:

• Document the design process for a complex React feature, including API contract definition and integration strategy.

• Detail the implementation of React Hooks for specific functionalities and the benefits derived.

• Explain the strategy for optimizing the performance of a React application, including tools and techniques used.

• Outline the approach to defining and implementing reusable component libraries.

📝 Enhancement Note: For a Senior Engineer role, a portfolio is crucial. It should not just list projects but articulate the candidate's thought process, architectural decisions, problem-solving approach, and quantifiable impact. Emphasis should be on enterprise-level solutions and best practices in React development.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior React Engineers with 5-8 years of experience in Noida, India, the estimated salary range is ₹12,00,000 to ₹20,00,000 per annum. This estimate considers the company's growth, its positioning as a top workplace, and the demand for specialized frontend skills.

Benefits:

• Personalized career development programs.

• Continuous learning opportunities and access to training resources.

• Mentorship from experienced professionals.

• World-class benefits package supporting financial, health, and well-being needs.

• Potential for participation in cutting-edge projects with latest technologies.

Working Hours: Standard working hours are likely 40 hours per week, typical for a full-time role in India. While not explicitly stated as flexible, the company culture emphasizes "owning your journey," which may imply some degree of autonomy.

📝 Enhancement Note: The salary range is an estimate based on general market data for senior-level software engineering roles in India. Actual compensation will depend on the candidate's specific skills, experience, interview performance, and Iris Software's internal compensation structure. The "Perks and Benefits" section mentions a comprehensive package, with specific examples like personalized career development and mentorship.

🎯 Team & Company Context

🏢 Company Culture

Industry: IT Services and Software Development, with a focus on technology-enabled transformation 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 market.

Founded: While the founding date isn't provided, the company's growth and multiple awards suggest a well-established and evolving organization.

Team Structure:

• The engineering teams likely consist of specialized frontend, backend, data, and cloud engineers, working in cross-functional squads or feature teams.

• Reporting structure would typically involve Senior Engineers reporting to Engineering Leads or Managers, with potential for project-specific leads.

• Collaboration is expected with Product Managers, Designers, QA Engineers, and DevOps specialists to ensure seamless delivery of complex applications. Methodology:

• Data-driven decision-making is implied through the focus on Data & Analytics, Cloud, DevOps, and MLOps.

• Workflow planning and optimization are core to agile development practices, likely involving Scrum or Kanban methodologies.

• Automation and efficiency are emphasized through CI/CD, MLOps, and Business Automation initiatives.

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

📝 Enhancement Note: Iris Software positions itself as a "Top 25 Best Workplaces" and emphasizes an award-winning culture that values talent and ambitions. The company's vision is to be a trusted technology partner and a preferred employer, with a strong Employee Value Proposition: “Build Your Future. Own Your Journey.” This suggests a supportive, growth-oriented, and employee-centric environment.

📈 Career & Growth Analysis

Operations Career Level: Senior Engineer. This level implies a high degree of technical proficiency, the ability to work independently on complex tasks, and the capacity to mentor junior team members. The role is expected to contribute significantly to architectural decisions and drive engineering best practices.

Reporting Structure: Senior Engineers typically report to Engineering Managers or Team Leads. They are expected to collaborate closely with Product Owners, Project Managers, and other engineering disciplines (backend, QA, DevOps).

Operations Impact: This role directly impacts the user experience and functionality of enterprise applications. The Senior Engineer's contributions in designing scalable solutions, optimizing performance, and ensuring code quality are critical to client satisfaction, product reliability, and the company's reputation as a technology partner.

Growth Opportunities:

• Technical Leadership: Transition into roles like Tech Lead, Principal Engineer, or Architect, focusing on complex technical challenges and architectural strategy.

• Management Track: Move into Engineering Management roles, leading teams and overseeing project delivery.

• Specialization: Deepen expertise in specific areas like performance engineering, CI/CD, or particular cloud technologies.

• Cross-functional exposure: Gain experience in areas like DevOps, Data Engineering, or Cloud architecture.

📝 Enhancement Note: The company's emphasis on "owning your journey" and "personalized career development" suggests that growth paths are well-defined but also encourage proactive career management by the employee. The "Senior" title implies a significant level of autonomy and influence within project teams.

🌐 Work Environment

Office Type: The role is based in Noida, India, and is specified as "On-site." This suggests a traditional office environment where collaboration and in-person interaction are prioritized.

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

Workspace Context:

• The workspace is likely designed to foster collaboration, with open-plan areas, meeting rooms, and dedicated spaces for focused work.

• Access to modern development tools, high-speed internet, and potentially advanced hardware for development and testing.

• Opportunities for direct interaction with peers, team leads, and cross-functional colleagues, facilitating knowledge sharing and problem-solving.

Work Schedule: A standard 40-hour work week is typical for an on-site role. While core hours may be defined, the company's culture of "owning your journey" might allow for some flexibility in daily scheduling, provided project deliverables and team collaboration needs are met.

📝 Enhancement Note: The "On-site" designation is a key factor. Candidates should be prepared for a structured office environment and in-person collaboration. The company's location in Noida, a prominent IT hub, suggests a dynamic and competitive professional setting.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Interview(s): Multiple rounds focusing on React fundamentals, JavaScript, CSS, HTML, state management (Redux/TanStack Query), testing (Jest), and problem-solving. Expect coding challenges, architectural discussions, and scenario-based questions.

• System Design/Architecture Round: For a Senior role, expect a discussion on designing scalable frontend architectures, API integrations, and performance optimization strategies.

• Hiring Manager/Team Lead Interview: To assess leadership potential, mentoring capabilities, team collaboration, and alignment with company values.

• Final Round (Potentially HR/Offer): Discussion on compensation, benefits, and final offer.

Portfolio Review Tips:

• Curate Selectively: Choose 2-3 of your strongest, most relevant React projects. Highlight enterprise-level applications or complex features.

• Structure Your Narrative: For each project, clearly explain the problem you solved, your role, the technologies used, key architectural decisions, challenges faced, and the impact/results achieved. Use the STAR method (Situation, Task, Action, Result).

• Demonstrate Key Skills: Explicitly show examples of React Hooks usage, Redux/TanStack Query implementation, performance optimizations, and Jest test coverage.

• Quantify Impact: Wherever possible, use metrics to demonstrate the success of your work (e.g., "reduced page load time by 30%," "improved user engagement by 15%").

• Be Prepared to Discuss Code: Have code snippets or repository links ready to discuss your implementation details and coding standards.

Challenge Preparation:

• Coding Challenges: Practice common JavaScript and React coding problems on platforms like LeetCode, HackerRank, or Coderbyte, focusing on algorithms, data structures, and React-specific patterns.

• System Design: Prepare to discuss how you would design a scalable frontend application, handle large datasets, implement caching strategies, and manage API integrations.

• Behavioral Questions: Anticipate questions about teamwork, problem-solving, handling conflict, leadership, and your approach to mentoring. Use the STAR method for responses.

📝 Enhancement Note: The interview process for a Senior Engineer will be rigorous, focusing heavily on technical depth, architectural thinking, and problem-solving abilities. A well-prepared portfolio and strong communication skills are essential for success.

🛠 Tools & Technology Stack

Primary Tools:

• Frontend Framework: React (core expertise)

• State Management: Redux, TanStack Query (React Query)

• Language: JavaScript (ES6+), HTML5, CSS3

• Testing Framework: Jest

• Build Tools/Bundlers: Webpack, Vite (likely, though not specified)

• Version Control: Git

Analytics & Reporting:

• Performance Monitoring: Tools for React performance optimization (e.g., React DevTools Profiler, Lighthouse).

• CI/CD Tools: Familiarity with Jenkins, GitLab CI, GitHub Actions, or similar for deployment automation.

• Logging/Monitoring: Experience with tools like ELK stack, Datadog, or Splunk for troubleshooting production issues.

CRM & Automation:

• While not directly a CRM role, understanding how frontend applications integrate with backend systems and APIs is crucial. Experience with RESTful APIs and potentially GraphQL.

• Database Interaction: MS SQL knowledge suggests interaction with SQL databases, either directly or via an API layer.

📝 Enhancement Note: The technology stack is heavily skewed towards modern frontend development. Candidates should be proficient in the specified tools and demonstrate an understanding of how these tools integrate within a larger enterprise software development lifecycle, including CI/CD and production monitoring.

👥 Team Culture & Values

Operations Values:

• Technical Ownership: Taking responsibility for the quality, performance, and delivery of code and features.

• Engineering Excellence: Commitment to high-quality code, best practices, automation, performance optimization, and defect prevention.

• Collaboration: Working effectively with cross-functional teams and business stakeholders.

• Continuous Learning: Adaptability and a proactive approach to evolving technologies and engineering practices.

• Problem-Solving: Applying analytical skills to resolve complex technical and production challenges.

• Attention to Detail: Meticulousness in architecture, code quality, security, and performance.

• Initiative: Driving improvements in reusable frameworks, automation, and processes.

• Business Acumen: Balancing technical excellence with business priorities to deliver scalable and maintainable solutions.

Collaboration Style:

• Cross-functional Integration: Seamless collaboration with backend developers, QA engineers, product managers, and designers.

• Process Improvement Culture: Openness to feedback, code reviews, and continuous refinement of development and deployment processes.

• Knowledge Sharing: Mentoring junior developers, participating in technical discussions, and contributing to internal documentation.

📝 Enhancement Note: Iris Software's culture appears to strongly value ownership, excellence, and continuous improvement. The emphasis on "Build Your Future. Own Your Journey." suggests an environment where employees are empowered to take control of their career development and contribute meaningfully to the company's success.

⚡ Challenges & Growth Opportunities

Challenges:

• Scalability of Enterprise Applications: Ensuring frontend applications remain performant and maintainable as user bases and feature sets grow.

• Complex Data Handling: Managing intricate state and asynchronous data flows in large-scale enterprise applications.

• Cross-functional Dependencies: Effectively coordinating with backend, DevOps, and product teams for seamless integration and deployment.

• Keeping Pace with Technology: Continuously learning and adapting to the rapid evolution of frontend technologies and best practices.

Learning & Development Opportunities:

• Advanced React Specialization: Deepening expertise in areas like performance tuning, advanced state management patterns, or server-side rendering.

• Architectural Design: Opportunities to contribute to and lead the architectural design of new features and applications.

• Mentorship Programs: Participating in or leading mentorship initiatives to develop leadership and coaching skills.

• Industry Certifications: Pursuing certifications in cloud technologies, DevOps, or specialized frontend development areas.

📝 Enhancement Note: The challenges are typical for a senior role in a growing IT services company, requiring a proactive and problem-solving mindset. The growth opportunities align with a career path focused on technical leadership and continuous skill enhancement.

💡 Interview Preparation

Strategy Questions:

• Technical Ownership: "Describe a time you took ownership of a complex technical challenge in a React project. What was the situation, what did you do, and what was the outcome?"

• Architecture & Design: "How would you design a scalable and performant architecture for a new enterprise-grade dashboard application using React? Discuss your approach to state management, API integration, and component reusability."

• Problem-Solving: "You've identified a significant performance bottleneck in a critical React application. Walk me through your process for diagnosing the issue, implementing a fix, and preventing its recurrence."

• Mentorship: "How do you approach mentoring junior developers? Describe a situation where you helped a junior team member improve their React development skills."

Company & Culture Questions:

• "Based on our company's vision and your understanding of our work, how do you see this Senior React Engineer role contributing to Iris Software's success?"

• "Our Employee Value Proposition is 'Build Your Future. Own Your Journey.' How does this resonate with your career aspirations and work philosophy?"

• "Describe your experience working in an on-site, collaborative team environment. How do you ensure effective communication and teamwork?" Portfolio Presentation Strategy:

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

• Technical Depth: Be ready to dive deep into the technical details of your projects, explaining architectural choices, trade-offs, and specific implementation strategies.

• Metrics-Driven: Emphasize quantifiable results and business impact.

• Interactive Walkthrough: If possible, prepare a live demo or interactive walkthrough of a key project feature.

• Conciseness: Respect the interviewer's time; present your most impactful work clearly and efficiently.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just technical proficiency but also leadership qualities, problem-solving acumen, and alignment with Iris Software's culture of ownership and growth.

📌 Application Steps

To apply for this Senior UI React Engineer position:

• Submit Your Application: Navigate to the provided job URL and complete the application form.

• Tailor Your Resume: Highlight your 5-8 years of experience with React, JavaScript (ES6+), Redux, TanStack Query, Jest, and any relevant enterprise application development. Quantify achievements and responsibilities.

• Prepare Your Portfolio: Curate 2-3 of your strongest React projects. Ensure they showcase your ability to design, develop, and optimize scalable enterprise applications. Be ready to present and discuss these projects in detail.

• Practice Technical Interviews: Brush up on core JavaScript, React concepts, state management patterns, testing methodologies, and common coding challenges.

• Research Iris Software: Understand their industry focus, company culture, and values. Prepare to discuss how your skills and aspirations align with their mission and employee value proposition.

⚠️ 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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