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: 2026-08-19

Experience Level: Senior (5-8 Years)

Remote Status: On-site

🚀 Role Summary

• Design, develop, and deliver scalable React enterprise applications, aligning with business objectives and engineering best practices.

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

• Establish reusable React component architecture and scalable frontend integration strategies to ensure maintainability and efficiency.

• Drive the implementation of advanced React features, including React Hooks and scalable component-driven architecture patterns.

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

📝 Enhancement Note: While the job title is "UI React - Senior Engineer," the responsibilities clearly indicate a deep involvement in backend integration strategies (API contracts, service boundaries) and overall system architecture, suggesting this role requires a strong understanding of full-stack principles within a frontend-centric context. The emphasis on "enterprise applications" and "distributed systems" points towards complex, large-scale projects.

📈 Primary Responsibilities

• Architect and develop high-performance, scalable React enterprise applications that meet both business requirements and long-term engineering goals.

• Define and document API contracts, service boundaries, and integration strategies for seamless interaction between frontend and backend services in distributed environments.

• Design and implement a reusable React component architecture and scalable frontend integration patterns to promote code reusability and maintainability.

• Lead the implementation and adoption of React Hooks and scalable component-driven architecture patterns across development teams.

• Take full ownership of the end-to-end delivery of assigned software modules, encompassing design, development, collaboration with QA for testing support, and ensuring deployment readiness.

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

• Spearhead the implementation of Redux state management strategies for complex enterprise frontend applications, ensuring efficient data flow and predictable application behavior.

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

• Proactively troubleshoot production issues and performance bottlenecks, performing detailed root cause analysis and implementing sustainable, long-term fixes.

• Implement and optimize TanStack Query (React Query) strategies for efficient asynchronous data handling, caching, and state synchronization in React applications.

📝 Enhancement Note: The responsibilities highlight a senior-level expectation for architectural design, ownership, and mentorship, going beyond typical development tasks. The inclusion of CI/CD, logging, monitoring, and production issue resolution indicates a DevOps-aware frontend engineering role.

🎓 Skills & Qualifications

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

Experience: 5-8 years of professional experience in frontend development, with a strong focus on React and enterprise-level application development.

Required Skills:

• Proficient in React and its core principles.

• Strong command of JavaScript (ES6+), including modern syntax and asynchronous programming patterns.

• Expertise in CSS3 and HTML5 for semantic and responsive web design.

• In-depth knowledge of React Hooks for managing component logic and state.

• Experience with React Maps for data visualization or geospatial applications.

• Proven ability in React Performance Optimization techniques to ensure fast and efficient user interfaces.

• Solid understanding and practical experience with Redux for complex state management.

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

• Experience defining API contracts and integration strategies for distributed systems.

• Familiarity with CI/CD pipelines, logging, and monitoring tools for operational efficiency.

• Ability to conduct root cause analysis for production issues and performance bottlenecks. Preferred Skills:

• Experience with frontend architecture design and scalable component-driven patterns.

• Knowledge of backend integration strategies and distributed systems.

• Experience with unit testing and end-to-end testing frameworks for React applications.

• Familiarity with cloud platforms (AWS, Azure, GCP) and their services relevant to frontend deployment.

• Understanding of security best practices in frontend development.

• Experience mentoring junior developers and conducting code reviews.

📝 Enhancement Note: The mandatory skills list is extensive and specific, indicating a need for deep expertise rather than broad familiarity. The emphasis on "enterprise applications," "distributed systems," and "API contracts" suggests that candidates should have experience with larger, more complex software projects, not just small-scale applications.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrate end-to-end delivery of at least two significant React-based enterprise applications, showcasing architectural design and implementation.

• Include case studies detailing the definition and implementation of reusable React component architectures and integration strategies.

• Showcase examples of complex state management solutions using Redux, highlighting scalability and efficiency.

• Present a project where TanStack Query (React Query) was instrumental in optimizing data fetching and caching strategies.

• Provide evidence of contributions to improving CI/CD pipelines, logging, or monitoring for frontend applications. Process Documentation:

• Document the design process for a complex React feature or module, including API contract definitions and integration approaches.

• Illustrate the implementation of React Hooks and component-driven architecture patterns, emphasizing scalability and reusability.

• Detail a specific instance of troubleshooting and resolving a production issue or performance bottleneck in a React application, including the root cause analysis.

• Explain the strategy and implementation of Redux state management for a large-scale application.

📝 Enhancement Note: For a Senior Engineer role, a portfolio is crucial. It should not just list projects but detail the candidate's thought process, architectural decisions, problem-solving approaches, and quantifiable results, especially regarding performance and scalability.

💵 Compensation & Benefits

Salary Range: Based on Iris Software's reputation as a top IT employer in India and the 5-8 years of experience requirement for a Senior Engineer, the estimated salary range for this role in Noida is ₹12,00,000 to ₹20,00,000 per annum. This estimate considers the current market rates for skilled React developers in major Indian IT hubs and the company's positioning.

Benefits:

• Personalized career development programs.

• Continuous learning opportunities and access to training resources.

• Mentorship from senior engineering leaders.

• Comprehensive health and well-being support.

• Participation in award-winning company culture.

• Potential for involvement in cutting-edge technology projects across various industries.

Working Hours: Standard full-time working hours, typically 40 hours per week, with potential for overtime depending on project demands. The company emphasizes flexibility and a healthy work-life balance.

📝 Enhancement Note: The salary estimate is derived from market research for Senior React Engineers in Noida, India, considering the specified experience level and the company's standing. Benefits are extracted from the provided text and expanded with typical offerings for a company of this caliber.

🎯 Team & Company Context

🏢 Company Culture

Industry: Information Technology (IT) Services and Software Development. Iris Software operates within a competitive landscape, focusing on technology-enabled transformation for enterprise clients across financial services, healthcare, transportation & logistics, and professional services. This context means the operations team (and by extension, the engineering team) must be agile, adaptable, and focused on delivering high-value solutions that drive client success.

Company Size: Over 4,300 associates across India, U.S.A., and Canada. This indicates a large, established organization with structured processes, opportunities for growth, and a significant global presence. For an engineer, this means access to diverse projects, a broad network of colleagues, and established career paths.

Founded: While the founding date isn't explicitly stated, the company is described as one of India's "fastest-growing IT services companies" and a "Top 25 Best Workplaces in IT industry." This suggests a company with a solid history of growth and a well-developed, employee-centric operational framework.

Team Structure:

• The engineering team is likely structured by specialized domains, with this role focusing on frontend development within the UI/UX domain.

• Reporting structures would typically involve a Team Lead or Engineering Manager, with potential for cross-functional teams collaborating with backend engineers, QA, DevOps, and product managers.

• Collaboration is expected across various departments and with client stakeholders, requiring strong communication and teamwork skills. Methodology:

• Iris Software emphasizes "technology-enabled transformation" and works with "latest technologies" like Data & Analytics, Cloud, DevOps, and AI/ML. This suggests a forward-thinking approach, likely incorporating Agile methodologies, DevOps principles, and a data-driven mindset in project execution and operational efficiency.

• The company's focus on "complex, mission-critical applications" implies a rigorous approach to development, testing, and deployment.

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

📝 Enhancement Note: The company's description highlights a strong emphasis on employee growth and a positive work environment, which is a key differentiator. For an operations-focused role (even in engineering), understanding how the company values process, efficiency, and talent management is crucial.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a "Senior Engineer," indicating a mid-to-senior level within the engineering hierarchy. This level implies significant technical expertise, the ability to work independently, ownership of complex tasks, and the capacity to mentor junior team members. It's a critical step towards potential leadership roles like Tech Lead or Engineering Manager.

Reporting Structure: As a Senior Engineer, you would likely report to an Engineering Manager or a Technical Lead. You would also be expected to collaborate closely with Product Managers, Project Managers, and potentially client-side technical counterparts. The structure supports both individual contribution and team-based project delivery.

Operations Impact: While primarily an engineering role, the "Senior Engineer" designation carries significant responsibility for the operational efficiency and scalability of the frontend applications. This includes ensuring code quality, performance optimization, and contributing to robust deployment pipelines. The impact extends to client satisfaction, system reliability, and the overall success of technology-enabled transformations delivered by Iris Software.

Growth Opportunities:

• Technical Specialization: Deepen expertise in React, its ecosystem, and advanced frontend architecture patterns. Opportunities to become a subject matter expert in specific areas like performance optimization, state management, or component libraries.

• Leadership Development: Transition into roles like Tech Lead, where you would guide a small team, architect solutions, and oversee technical delivery. Further progression could lead to Engineering Management.

• Cross-functional Exposure: Gain experience working on diverse projects across different industries (financial services, healthcare, etc.), broadening your understanding of business needs and technology applications.

• Continuous Learning: Access to formal training, workshops, certifications, and mentorship programs designed to foster professional growth and keep skills current with evolving technologies.

📝 Enhancement Note: The emphasis on "Build Your Future. Own Your Journey." suggests a proactive approach to career development is encouraged and supported by the company. Senior engineers are expected to drive their own growth trajectory with company assistance.

🌐 Work Environment

Office Type: Iris Software operates from modern office spaces designed to foster collaboration and innovation. The description of "award-winning culture" and "truly values your talent and ambitions" suggests a professional yet dynamic environment.

Office Location(s): The primary location for this role is Noida, Uttar Pradesh, India. Noida is a significant IT hub with good infrastructure and accessibility, offering a conducive environment for tech professionals.

Workspace Context:

• Collaborative Environment: The company promotes a culture where voices matter and work creates real impact. Expect an environment that encourages open communication and teamwork.

• Tools & Technology: Access to cutting-edge projects and the latest technologies is a key selling point. This implies a well-equipped workspace with modern development tools and infrastructure.

• Team Interaction: Senior engineers are expected to mentor junior developers, participate in code reviews, and collaborate closely with cross-functional teams. This indicates a high degree of interaction within the immediate team and with other departments.

Work Schedule: The role is full-time, likely adhering to standard business hours in India (Asia/Kolkata timezone). While specific flexibility isn't detailed, the company's focus on employee value suggests a supportive approach to work-life balance, within the context of project delivery timelines.

📝 Enhancement Note: The description of "award-winning culture" and "employee value proposition" suggests a deliberate effort to create a positive and productive work environment, which is crucial for attracting and retaining senior talent.

📄 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 Interview(s): Expect one or more rounds of technical interviews focusing on React, JavaScript, frontend architecture, state management (Redux), asynchronous data handling (TanStack Query), and problem-solving. These may include live coding exercises or system design discussions.

• System Design/Architecture Round: Given the senior nature of the role and responsibilities, a dedicated session may focus on designing scalable frontend architectures, defining API contracts, and discussing integration strategies.

• Behavioral Interview: This round will assess your leadership potential, mentorship capabilities, collaboration style, problem-solving approach, and alignment with Iris Software's values.

• Hiring Manager/Final Interview: A final discussion with the hiring manager or a senior leader to confirm fit and discuss the role in more detail.

Portfolio Review Tips:

• Curate Select Projects: Focus on 2-3 of your most impactful projects that best demonstrate your senior-level skills in React, architecture, performance optimization, and state management.

• Detail Your Role & Impact: For each project, clearly articulate your specific contributions, the challenges you faced, the solutions you implemented, and the quantifiable results (e.g., performance improvements, user engagement increases, scalability achieved).

• Showcase Architecture: Be prepared to walk through the architectural decisions you made, explaining why certain patterns (React Hooks, Redux, TanStack Query, component libraries) were chosen and how they contributed to the project's success.

• Highlight Mentorship: If applicable, include examples where you mentored junior developers or led code review processes.

• Prepare for Technical Deep Dives: Be ready to answer in-depth technical questions about the technologies and approaches used in your portfolio projects.

Challenge Preparation:

• Coding Challenges: Practice common React and JavaScript coding challenges, focusing on efficiency, clean code, and problem-solving. Platforms like LeetCode or HackerRank can be helpful.

• System Design Scenarios: Prepare for scenarios where you might be asked to design a complex frontend application, an API integration strategy, or a state management solution. Focus on scalability, maintainability, and performance.

• Behavioral Responses: Prepare STAR method (Situation, Task, Action, Result) responses for common behavioral questions related to teamwork, problem-solving, leadership, and handling challenges.

📝 Enhancement Note: The interview process will likely be rigorous, reflecting the company's commitment to hiring top talent. A strong portfolio that clearly demonstrates senior-level capabilities and a well-prepared approach to technical and behavioral questions are essential.

🛠 Tools & Technology Stack

Primary Tools:

• Frontend Framework: React

• Core Languages: JavaScript (ES6+), HTML5, CSS3

• State Management: Redux, React Hooks

• Data Fetching/Caching: TanStack Query (React Query)

• Component Libraries/UI Frameworks: (Likely used, specific examples may vary, e.g., Material-UI, Ant Design)

• Build Tools: Webpack, Vite (common for modern React projects)

Analytics & Reporting:

• Performance Monitoring Tools: (e.g., Lighthouse, Web Vitals, Sentry for error tracking)

• Analytics Platforms: (e.g., Google Analytics, Amplitude, Mixpanel - for tracking user behavior if integrated)

CRM & Automation:

• While primarily a frontend role, understanding how frontend applications integrate with backend systems, potentially including CRM data interfaces or business automation workflows, is beneficial.

📝 Enhancement Note: The explicit mention of React, Redux, React Hooks, and TanStack Query indicates a modern, component-driven, and data-optimized frontend stack. Candidates should be proficient in these core technologies and familiar with related tools in the JavaScript ecosystem.

👥 Team Culture & Values

Operations Values:

• Technical Ownership: A strong emphasis on taking responsibility for the quality, performance, and delivery of technical solutions, from design through to production.

• Engineering Excellence: Commitment to high standards in coding, architecture, security, and performance optimization, driven by continuous learning and best practices.

• Collaboration & Communication: Valuing effective teamwork across functions and clear communication with both technical and non-technical stakeholders.

• Adaptability & Continuous Learning: Embracing evolving technologies and engineering practices to stay at the forefront of innovation.

• Client Focus: Delivering value-driven, scalable, and maintainable solutions that contribute to client success and technology transformation.

Collaboration Style:

• Cross-functional Integration: Expect to work closely with backend engineers, DevOps, QA, product managers, and business stakeholders to ensure seamless project delivery and integration.

• Mentorship & Knowledge Sharing: A culture that encourages senior engineers to mentor junior developers and share knowledge through code reviews and discussions.

• Process Improvement Driven: A proactive approach to identifying and implementing improvements in development workflows, CI/CD, and operational efficiency.

📝 Enhancement Note: The behavioral competencies listed in the job description directly reflect the company's desired team culture and values. Candidates should align their responses and approach with these stated principles.

⚡ Challenges & Growth Opportunities

Challenges:

• Scalability of Enterprise Applications: Developing and maintaining React applications that can handle large volumes of data and user traffic in an enterprise context requires careful architectural planning and performance optimization.

• Complex Integration Strategies: Defining and implementing robust API contracts and integration strategies for distributed systems can be challenging, requiring a deep understanding of both frontend and backend considerations.

• Driving Operational Efficiency: Implementing and improving CI/CD pipelines, logging, and monitoring requires a proactive and systematic approach to enhance deployment speed and system reliability.

• Mentoring Junior Developers: Effectively guiding and upskilling junior engineers while managing personal project responsibilities demands strong communication and leadership skills.

Learning & Development Opportunities:

• Advanced React & Frontend Architecture: Opportunities to deepen expertise in complex React patterns, state management, and modern frontend architecture principles.

• Cloud & DevOps Integration: Exposure to cloud platforms, CI/CD practices, and DevOps methodologies through collaboration with specialized teams.

• Industry Exposure: Working on diverse projects across financial services, healthcare, and logistics provides broad industry knowledge and application of technology.

• Leadership Track: Potential to grow into Tech Lead or Engineering Manager roles, developing skills in team management, project leadership, and strategic technical direction.

📝 Enhancement Note: The challenges presented are typical for senior engineering roles in growing IT companies, offering significant opportunities for skill development and career advancement.

💡 Interview Preparation

Strategy Questions:

• Technical Strategy: "Describe your approach to designing a scalable and maintainable React component architecture for an enterprise application. How would you ensure reusability and performance?" (Prepare to discuss component libraries, atomic design principles, and design patterns.)

• Integration Strategy: "How would you define API contracts and integration strategies for a new microservice that needs to communicate with our existing React frontend? What tools or techniques would you use to manage this?" (Focus on RESTful principles, GraphQL, contract testing, and documentation.)

• Problem-Solving/Troubleshooting: "Walk me through a complex production issue you encountered in a React application. What was your process for root cause analysis, and what sustainable fix did you implement?" (Use the STAR method and emphasize analytical thinking and long-term solutions.)

Company & Culture Questions:

• Cultural Fit: "How do you embody Iris Software's value of 'Build Your Future. Own Your Journey.' in your daily work?" (Connect your personal career aspirations with the company's ethos.)

• Teamwork & Mentorship: "Describe a time you mentored a junior developer. What challenges did you face, and how did you overcome them to ensure their growth and project success?" (Highlight your leadership and communication skills.)

• Innovation & Efficiency: "How have you driven improvements in development processes, CI/CD, or operational efficiency in your previous roles?" (Provide specific examples of initiatives you led or contributed to.)

Portfolio Presentation Strategy:

• Storytelling: Structure your portfolio walkthrough as a narrative. For each project, explain the problem, your solution, your role, the technologies used, and the impact/results.

• Focus on Architecture & Decision-Making: Clearly articulate why you made certain architectural choices, rather than just what you built. Explain the trade-offs considered.

• Quantify Impact: Whenever possible, use metrics to demonstrate the success of your work (e.g., "reduced load time by 30%", "improved conversion rate by 15%", "handled X concurrent users").

• Be Ready for Deep Dives: Anticipate detailed technical questions about any aspect of your presented projects.

📝 Enhancement Note: Preparing for these types of questions will demonstrate not only your technical proficiency but also your strategic thinking, problem-solving abilities, and alignment with Iris Software's culture and operational focus.

📌 Application Steps

To apply for this UI React - Senior Engineer position:

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

• Tailor Your Resume: Customize your resume to highlight your experience with React, Redux, React Hooks, TanStack Query, and any enterprise-level application development. Use keywords from the job description to ensure ATS compatibility.

• Curate Your Portfolio: Select 2-3 key projects that showcase your senior-level skills in React architecture, performance optimization, state management, and API integration. Prepare a concise narrative for each, focusing on your contributions and quantifiable results.

• Prepare for Technical Assessments: Practice coding challenges and system design scenarios relevant to modern frontend development. Be ready to discuss your experience with CI/CD, performance tuning, and root cause analysis.

• Research Iris Software: Familiarize yourself with the company's mission, values, industry focus, and recent achievements. Understand how your skills and experience align with their goal of being a "trusted technology partner."

⚠️ 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.