UX React - Senior Engineer

📍 Job Overview

Job Title: UX React - Senior Engineer

Company: Iris Software

Location: Noida, Uttar Pradesh, India

Job Type: Full-Time

Category: Frontend Engineering / Software Development

Date Posted: August 17, 2026

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Design, develop, and deliver scalable React enterprise applications, focusing on robust frontend architectures and component-driven design.

• Define and implement API contracts, integration strategies, and reusable frontend components to ensure seamless system interoperability and maintainability.

• Lead state management solutions using Redux and optimize asynchronous data handling with TanStack Query (React Query) for enhanced application performance.

• Drive improvements in CI/CD pipelines, monitoring, and deployment automation to enhance operational efficiency and system reliability.

• Conduct thorough code reviews, mentor junior engineers, and perform root cause analysis for production issues to uphold high standards of engineering excellence.

📝 Enhancement Note: This role is positioned as a Senior Engineer, implying a need for not only strong technical execution but also architectural input, mentorship capabilities, and ownership of module delivery. The emphasis on "enterprise applications" suggests a focus on stability, scalability, and complex business logic within the frontend.

📈 Primary Responsibilities

• Design and develop scalable React enterprise applications that align with strategic business objectives and core engineering principles.

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

• Architect and implement reusable React component libraries and scalable frontend integration patterns to promote code consistency and development efficiency.

• Drive the implementation of reusable React Hooks and advanced component-driven architecture patterns for modular and maintainable UIs.

• Take full ownership of end-to-end module delivery, encompassing design, development, comprehensive testing support, and ensuring deployment readiness.

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

• Lead and implement Redux state management strategies across complex enterprise frontend applications, ensuring data consistency and predictable application behavior.

• Drive continuous improvements in CI/CD pipelines, logging, monitoring, and deployment automation to elevate operational efficiency and system uptime.

• Troubleshoot and resolve production issues and performance bottlenecks through detailed root cause analysis and the implementation of sustainable, long-term fixes.

• Implement and refine TanStack Query (React Query) strategies for optimized asynchronous data handling, efficient caching mechanisms, and improved user experience.

📝 Enhancement Note: The responsibilities highlight a blend of core development, architectural design, and operational improvement. The focus on "enterprise applications" and "distributed systems" indicates a need for understanding complex system interactions beyond single-page applications.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's degree in Computer Science, Engineering, or a related field is typically expected for senior engineering roles.

Experience: 5-10 years of professional experience in frontend development, with a significant focus on React and building complex, scalable applications.

Required Skills:

• React: Deep understanding of React principles, lifecycle methods, and modern hooks.

• JavaScript (ES6+): Proficiency in modern JavaScript features and best practices for building dynamic UIs.

• CSS3 & HTML5: Expertise in semantic HTML and advanced CSS for responsive and accessible web design.

• React Hooks: Proven experience in leveraging React Hooks for managing component state and side effects.

• Redux: Strong experience in implementing and managing global state with Redux for large-scale applications.

• TanStack Query (React Query): Hands-on experience with TanStack Query for efficient data fetching, caching, and state synchronization.

• React Maps: Experience integrating and utilizing mapping libraries within React applications.

• React Performance Optimization: Demonstrated ability to identify and resolve performance bottlenecks in React applications.

• API Design & Integration: Understanding of RESTful API principles and experience integrating with backend services.

• Component Architecture: Ability to design and implement scalable, reusable, and maintainable component structures.

• CI/CD & Deployment Automation: Familiarity with CI/CD principles and tools for automated testing and deployment.

• Root Cause Analysis: Strong analytical skills for troubleshooting and resolving complex technical issues.

Preferred Skills:

• Adobe Photoshop: Basic proficiency for understanding design assets and collaborating with UI/UX designers.

• DevOps practices: Familiarity with broader DevOps principles beyond CI/CD.

• Cloud Platforms: Exposure to cloud environments (AWS, Azure, GCP) and their impact on frontend deployments.

• Testing Frameworks: Experience with unit, integration, and end-to-end testing frameworks for React applications (e.g., Jest, React Testing Library, Cypress).

📝 Enhancement Note: The mandatory skills list is extensive and covers core React development, state management, data fetching, and performance. The "Senior Engineer" title implies an expectation of architectural thinking and leadership in these areas.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase at least two complex React applications demonstrating end-to-end development, highlighting architectural decisions, state management strategies (Redux), and data handling (TanStack Query).

• Include examples of reusable component libraries or design systems implemented within React projects.

• Provide case studies or detailed explanations of performance optimization efforts, including metrics and methodologies used.

• Demonstrate experience with API integration, outlining how frontend and backend systems were connected and data contracts were managed.

• Evidence of contribution to CI/CD pipelines or deployment automation processes. Process Documentation:

• Design and present workflows for building scalable, component-driven React applications.

• Detail methodologies for implementing and managing state in large-scale frontend applications.

• Document strategies for optimizing React application performance, including lazy loading, code splitting, and memoization techniques.

• Outline processes for conducting effective code reviews and ensuring adherence to engineering best practices.

• Explain approaches to troubleshooting and root cause analysis for frontend issues in production environments.

📝 Enhancement Note: For a Senior Engineer role, a portfolio is crucial. It should not just list projects but articulate the "why" behind technical decisions, the challenges faced, and the quantifiable impact of solutions, especially concerning scalability, performance, and maintainability.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior React Engineers with 5-10 years of experience in Noida, India, the estimated annual salary range is ₹12,00,000 - ₹20,00,000. This estimate considers the cost of living in Noida, the demand for skilled frontend developers, and Iris Software's positioning as a growing IT services company.

Benefits:

• Personalized Employee Experience: Tailored support and opportunities to shape individual career paths.

• Financial Support: Competitive salary and potential for bonuses or incentives.

• Health and Well-being Support: Comprehensive health insurance, wellness programs, and support for work-life balance.

• Continuous Learning: Access to training, workshops, and resources for skill development.

• Mentorship: Opportunities to be mentored by senior leaders and to mentor junior team members.

• Award-Winning Culture: Recognition as one of India's Top 25 Best Workplaces in the IT industry, suggesting a positive and supportive work environment.

• Growth Opportunities: Being part of a fast-growing company provides ample scope for career advancement.

Working Hours: Typically 40 hours per week, with potential for flexibility depending on project needs and team agreements. Standard Indian business hours (e.g., 9:00 AM - 6:00 PM IST) are likely, with a focus on project delivery and operational efficiency.

📝 Enhancement Note: The salary range is an estimation based on typical market rates for this role and location. Actual compensation will be determined by the candidate's specific experience, skills, and negotiation. The benefits listed are derived from the company description and are presented with an operations-centric view of employee support and development.

🎯 Team & Company Context

🏢 Company Culture

Industry: Information Technology (IT) Services and Consulting, specializing in enterprise application development, data analytics, cloud, and automation. Iris Software serves clients across financial services, healthcare, transportation & logistics, and professional services.

Company Size: Over 4,300 associates across India, the U.S.A., and Canada. This mid-to-large size offers the stability of a well-established company with the agility to implement new processes and technologies. For operations professionals, this means structured environments with opportunities for cross-functional collaboration and impact.

Founded: Iris Software has a history that supports its "fastest-growing" claim, indicating a dynamic and evolving work environment. This growth trajectory suggests a culture that embraces change and innovation.

Team Structure:

• The React engineering team is likely part of a larger Software Development or Engineering department, possibly specialized by client project or technology stack.

• Reporting structure would typically involve a Team Lead or Engineering Manager, with senior engineers expected to guide and mentor junior members.

• Cross-functional collaboration is essential, involving close partnerships with backend engineers, UI/UX designers, product managers, QA testers, and potentially DevOps/SRE teams. Methodology:

• Data Analysis & Insights: While this role is frontend-focused, understanding data analysis for performance monitoring and user behavior is beneficial.

• Workflow Planning & Optimization: Core to the role, involving designing efficient frontend workflows and component architectures.

• Automation & Efficiency: Emphasis on CI/CD, deployment automation, and reusable code patterns to drive efficiency.

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

📝 Enhancement Note: Iris Software's emphasis on being a "Top 25 Best Workplace" and its "Build Your Future. Own Your Journey." Employee Value Proposition suggests a culture that values employee growth, ownership, and impact. This is highly relevant for operations professionals who thrive on process improvement and measurable results.

📈 Career & Growth Analysis

Operations Career Level: Senior Engineer. This level signifies a transition from primarily executing tasks to influencing technical direction, architectural decisions, and mentoring junior colleagues. It requires a deep understanding of best practices, scalability, and maintainability in complex enterprise environments.

Reporting Structure: Typically reports to an Engineering Manager or a Technical Lead, with direct involvement in project teams that include Product Managers, UI/UX Designers, and Backend Developers. The role involves mentoring junior engineers, fostering a collaborative team dynamic.

Operations Impact: Senior engineers in this role directly impact the user experience, application performance, and development velocity. Their work on scalable architectures, efficient data handling, and robust component design directly contributes to the success of enterprise applications, influencing client satisfaction and business outcomes. By driving CI/CD and automation, they improve operational efficiency and reduce time-to-market for new features.

Growth Opportunities:

• Technical Specialization: Deepen expertise in advanced React patterns, performance optimization, or specific frontend architectural styles.

• Architectural Leadership: Transition into roles like Lead Frontend Engineer or Architect, responsible for defining frontend strategy and technical standards across multiple projects.

• Mentorship & Team Lead: Develop leadership skills by formally mentoring junior engineers and potentially leading small development teams.

• Cross-functional Exposure: Gain experience in DevOps, cloud infrastructure, or backend integration through collaboration on complex projects.

• Client Interaction: For senior roles, there may be opportunities to engage directly with clients to understand requirements and present technical solutions.

📝 Enhancement Note: The "Senior Engineer" title implies a significant step in career progression, moving beyond coding to architectural influence and team enablement. The company's growth and focus on employee development suggest a fertile ground for such advancement.

🌐 Work Environment

Office Type: On-site in Noida, Uttar Pradesh. This suggests a traditional office environment conducive to in-person collaboration, team meetings, and knowledge sharing.

Office Location(s): Noida, Uttar Pradesh, India. This is a major IT hub, offering accessibility and a vibrant professional ecosystem.

Workspace Context:

• Collaborative Environment: Expect a workplace that encourages team interaction, pair programming, and brainstorming sessions, facilitated by the on-site nature of the role.

• Tools and Technology: Access to modern development tools, high-performance workstations, and a robust network infrastructure necessary for enterprise-level development.

• Team Interaction: Regular opportunities for direct communication with fellow engineers, managers, designers, and product stakeholders, fostering a cohesive team dynamic.

Work Schedule: Standard business hours (likely 9 AM to 6 PM IST) are expected for an on-site role. While core hours will be defined, flexibility may be available based on team needs and project deadlines, with an emphasis on delivering results and maintaining operational efficiency.

📝 Enhancement Note: The on-site requirement is key for this role, emphasizing the value Iris Software places on in-person collaboration, team synergy, and immediate problem-solving, which are often critical in complex enterprise development projects.

📄 Application & Portfolio Review Process

Interview Process:

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

2. Technical Assessment (Online/Take-home): May involve coding challenges on platforms like HackerRank or a take-home project to evaluate core React, JavaScript, and problem-solving skills.

3. Technical Interview(s): In-depth discussions covering React fundamentals, state management (Redux, TanStack Query), component architecture, performance optimization, API integration, and system design. Expect behavioral questions related to ownership, collaboration, and problem-solving.

4. Portfolio Review: A dedicated session where you present selected projects from your portfolio, detailing your role, technical decisions, challenges, and outcomes. This is crucial for a Senior Engineer role.

5. Hiring Manager/Final Interview: Discussion focused on career aspirations, leadership potential, team fit, and alignment with Iris Software's culture and values.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 projects that best showcase your senior-level skills in React, enterprise application development, performance optimization, and complex state management.

• Structure Your Narrative: For each project, clearly define the problem, your specific contributions, the technologies used (especially React, Redux, TanStack Query), architectural choices, challenges faced, solutions implemented, and quantifiable results (e.g., performance improvements, efficiency gains).

• Highlight Ownership: Emphasize instances where you took technical ownership, led initiatives, or mentored others.

• Prepare for Deep Dives: Be ready to answer detailed questions about your code, design decisions, and problem-solving approaches.

• Demonstrate Scalability & Maintainability: Focus on how your solutions were designed for growth and ease of maintenance in an enterprise context.

Challenge Preparation:

• System Design: Practice designing scalable frontend architectures for hypothetical enterprise applications. Consider aspects like data flow, component structure, state management, and integration points.

• Problem-Solving Scenarios: Prepare for questions that require you to debug complex issues, optimize performance, or refactor inefficient code. Think in terms of identifying root causes and proposing sustainable fixes.

• Behavioral Questions: Use the STAR method (Situation, Task, Action, Result) to prepare responses for questions about technical ownership, collaboration, mentorship, and handling challenging situations.

📝 Enhancement Note: The emphasis on a portfolio review and technical interviews for a Senior Engineer role means candidates must be prepared to not only discuss their experience but also demonstrate their thought process and impact through concrete examples.

🛠 Tools & Technology Stack

Primary Tools:

• React: The core JavaScript library for building user interfaces.

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

• CSS3: For styling and responsive design.

• HTML5: For structuring web content.

• React Hooks: For managing state and side effects within functional components.

• Redux: For predictable state management in complex applications.

• TanStack Query (React Query): For server-state management, data fetching, caching, and synchronization.

• React Maps: Libraries for integrating map functionalities.

Analytics & Reporting:

• Performance Monitoring Tools: Potentially integrated tools for tracking application performance metrics (e.g., Lighthouse, browser developer tools, or third-party APM solutions).

• Analytics Platforms: Familiarity with integrating analytics tools (e.g., Google Analytics, Amplitude) to track user interactions and application usage.

CRM & Automation:

• CI/CD Tools: Experience with tools like Jenkins, GitLab CI, GitHub Actions, or Azure DevOps for automating build, test, and deployment processes.

• Version Control: Git is standard, likely managed via platforms like GitHub, GitLab, or Bitbucket.

• Project Management Tools: Familiarity with tools like Jira, Asana, or Trello for task tracking and workflow management.

📝 Enhancement Note: The listed tools represent the core technology stack for this role. Proficiency in these, coupled with an understanding of how they integrate into broader development and operational workflows (like CI/CD), is essential.

👥 Team Culture & Values

Operations Values:

• Technical Ownership: A strong emphasis on taking responsibility for code quality, delivery, and problem-solving. This translates to a proactive approach to development and maintenance.

• Engineering Excellence: Commitment to high standards in code quality, security, performance, and best practices, driven by code reviews and continuous improvement.

• Collaboration & Communication: Fostering an environment where team members work effectively together, communicate openly, and share knowledge.

• Continuous Learning & Adaptability: Encouraging employees to stay updated with evolving technologies and engineering practices, supporting personal and professional growth.

• Impact & Delivery: Focusing on delivering tangible value to clients and the business through well-engineered, scalable, and maintainable solutions.

Collaboration Style:

• Cross-functional Integration: Working closely with backend developers, UI/UX designers, product managers, and QA teams to ensure seamless project execution and alignment.

• Process Review & Feedback: Encouraging a culture of constructive feedback through code reviews and team discussions to continuously improve processes and code quality.

• Knowledge Sharing: Promoting the exchange of technical expertise and best practices through internal sessions, documentation, and mentorship.

📝 Enhancement Note: Iris Software's stated values and culture align well with the expectations of a senior engineering role that requires not just coding prowess but also leadership, collaboration, and a commitment to quality and continuous improvement.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Enterprise Systems: Navigating and contributing to large, intricate enterprise applications with established architectures and diverse integrations.

• Performance Optimization: Continuously identifying and resolving performance bottlenecks in highly interactive and data-intensive frontend applications.

• Keeping Pace with Technology: Adapting to the rapid evolution of frontend frameworks and best practices while maintaining stable, enterprise-grade solutions.

• Cross-functional Alignment: Ensuring seamless communication and integration between frontend development and backend services, APIs, and infrastructure teams.

Learning & Development Opportunities:

• Advanced React & Ecosystem Training: Opportunities to deepen expertise in React, state management, performance tuning, and related frontend technologies.

• Industry Conferences & Certifications: Potential support for attending relevant tech conferences or obtaining certifications to enhance skills and industry knowledge.

• Mentorship Programs: Formal and informal mentorship opportunities to guide career development, leadership skills, and technical expertise.

• Exposure to New Technologies: Working on projects that utilize cutting-edge technologies and methodologies within the broader IT services landscape.

📝 Enhancement Note: The challenges presented are typical for senior roles in established IT services companies, offering significant opportunities for professional development and skill enhancement.

💡 Interview Preparation

Strategy Questions:

• Operations Strategy & Methodology: "Describe how you would architect a scalable and maintainable frontend for a new enterprise application using React. What key design patterns and state management strategies would you prioritize, and why?"

  • Preparation: Focus on component architecture, state management choices (Redux vs. Context API, TanStack Query), data flow, and how you'd ensure scalability and maintainability.

• Collaboration & Stakeholder Management: "Tell me about a time you had to collaborate closely with backend engineers or product managers to define API contracts or resolve complex integration issues. How did you ensure alignment and successful delivery?"

  • Preparation: Use the STAR method. Highlight your communication skills, problem-solving approach, and ability to bridge technical gaps.

• Problem-Solving: "Imagine a critical React application is experiencing significant performance degradation in production. Walk me through your process for diagnosing the root cause and implementing a solution."

  • Preparation: Detail your debugging methodology, tools you'd use (browser dev tools, React DevTools, performance profiling), and how you'd prioritize fixes.

Company & Culture Questions:

• Company Operations Culture: "Iris Software is recognized as a Top 25 Best Workplace. How do you contribute to a positive and productive team culture, especially in an on-site environment?"

  • Preparation: Research Iris's values. Discuss your approach to collaboration, mentorship, and fostering a supportive environment.

• Operations Team Dynamics: "Describe your ideal team environment. How do you prefer to receive feedback, and how do you provide constructive feedback to junior developers?"

  • Preparation: Emphasize collaboration, open communication, and a commitment to continuous improvement.

• Operations Impact Measurement: "How do you measure the success of your frontend development work? What metrics are most important to you, beyond just shipping code?"

  • Preparation: Discuss metrics like application performance, user engagement, bug rates, code quality, and developer productivity.

Portfolio Presentation Strategy:

• Storytelling: Frame your portfolio projects as compelling stories of problem-solving and impact.

• Quantify Results: Use data and metrics wherever possible to demonstrate the value of your work (e.g., "reduced load time by 30%", "improved conversion rate by X%").

• Focus on Seniority: Highlight instances of technical leadership, architectural decision-making, and mentoring.

• Technical Depth: Be prepared to discuss the intricacies of your chosen technologies (React, Redux, TanStack Query) and justify your architectural choices.

• Engage Your Audience: Make it a conversation, not a lecture. Be open to questions and discussions.

📝 Enhancement Note: Interview preparation for a Senior Engineer role at a reputable company like Iris Software requires a strong emphasis on both technical depth and the ability to articulate strategic thinking, leadership, and collaborative skills, supported by a well-prepared portfolio.

📌 Application Steps

To apply for this UX React - Senior Engineer position:

• Submit your application through the provided career portal link.

• Portfolio Customization: Tailor your resume and portfolio to highlight your most relevant experience in React, enterprise application development, Redux, and TanStack Query. Select projects that demonstrate scalability, performance optimization, and strong architectural design.

• Resume Optimization: Ensure your resume clearly lists your years of experience, key technical skills (React, JavaScript, Redux, etc.), and quantifiable achievements related to the responsibilities outlined in the job description. Use keywords from the job posting naturally.

• Interview Preparation: Practice answering technical and behavioral questions using the STAR method. Prepare to present your portfolio projects, focusing on your role, technical decisions, and impact.

• Company Research: Thoroughly research Iris Software, its culture, values, and recent projects. Understand their positioning as a "Top 25 Best Workplace" and how your skills align with their mission and client focus.

⚠️ 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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