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 Operations

Date Posted: September 01, 2026

Experience Level: Senior (5-10 years)

Remote Status: On-site

🚀 Role Summary

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

• Drive the implementation of reusable React Hooks and component-driven architecture patterns to enhance frontend development efficiency and maintainability.

• Lead state management initiatives using Redux and optimize asynchronous data handling with TanStack Query (React Query) for enterprise-grade systems.

• Enhance operational efficiency through improvements in CI/CD pipelines, logging, monitoring, and deployment automation.

• Conduct thorough code reviews and root cause analysis to ensure adherence to coding standards, security guidelines, and engineering best practices, while mentoring junior engineers.

📝 Enhancement Note: This role is framed as a Senior Engineer position with a strong emphasis on React development, but also includes significant responsibilities related to the operational aspects of software delivery, such as CI/CD, monitoring, and performance optimization. This suggests a hybrid role blending core frontend development with elements of Site Reliability Engineering (SRE) or DevOps principles within a frontend context. The "Senior Engineer" title implies a need for technical leadership, mentorship, and ownership of complex modules.

📈 Primary Responsibilities

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

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

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

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

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

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

• Lead the implementation of Redux state management across enterprise frontend applications, ensuring data consistency and predictable behavior.

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

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

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

📝 Enhancement Note: The responsibilities highlight a blend of core software development and operational responsibilities. The emphasis on "enterprise applications," "API contracts," "service boundaries," and "distributed systems" indicates a need for understanding complex system architectures. The inclusion of CI/CD, logging, monitoring, and deployment automation points towards a role that actively contributes to the operational health and efficiency of the software delivery lifecycle, aligning with DevOps and SRE principles within a frontend engineering context.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor'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 and its ecosystem.

Required Skills:

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

• Strong proficiency in JavaScript (ES6+), including modern features and asynchronous programming.

• Deep understanding and hands-on experience with React, including its core principles and lifecycle methods.

• Proven ability to implement and manage React Hooks for functional component logic.

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

• Demonstrated skills in React Performance Optimization techniques to ensure fast and responsive applications.

• Expertise in Redux for complex state management in enterprise applications.

• Proficiency with TanStack Query (React Query) for efficient asynchronous data handling and caching.

• Experience with unit and integration testing frameworks, specifically Jest.

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

• Familiarity with CI/CD pipelines, logging, monitoring, and deployment automation. Preferred Skills:

• Experience with component-driven architecture and reusable component libraries.

• Knowledge of backend integration strategies for enterprise-grade systems.

• Familiarity with other frontend frameworks or libraries.

• Experience in mentoring junior developers and leading code reviews.

• Understanding of security best practices in frontend development.

• Experience with cloud platforms and containerization technologies.

📝 Enhancement Note: The required skills list is very specific and comprehensive, covering modern React practices, state management, data fetching, testing, and crucial enterprise-level considerations like API contracts and performance optimization. The preferred skills suggest a candidate who can also contribute to team growth and broader architectural discussions.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase at least two significant projects built with React, demonstrating end-to-end development from design to deployment.

• Include examples of complex state management implementations using Redux or similar patterns, detailing the challenges and solutions.

• Present case studies of performance optimization efforts, highlighting specific techniques used and the resulting improvements in load times or responsiveness.

• Demonstrate experience with reusable component architecture and the creation of component libraries, explaining the design principles and benefits.

• Provide evidence of contributions to CI/CD pipelines or automation efforts, even if in a supporting capacity.

• Detail experiences with defining API contracts and integrating with backend services. Process Documentation:

• For each portfolio project, include a brief section on the development lifecycle followed, from requirements gathering to deployment.

• Document any process improvements or automation implemented during project development or maintenance.

• Explain how testing strategies (unit, integration) were incorporated into the development process.

• Illustrate how code quality and adherence to standards were maintained through code reviews and best practices.

📝 Enhancement Note: For a Senior Engineer role with operations-adjacent responsibilities, a portfolio is crucial. It should not only showcase technical prowess in React but also demonstrate an understanding of the full software development lifecycle, including deployment, testing, and efficiency improvements. The emphasis on "enterprise applications" and "distributed systems" means candidates should highlight projects that reflect this complexity.

💵 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 range accounts for the specified skills, the "Senior Engineer" title, and the location's cost of living and market demand.

Benefits:

• Personalized employee experience tailored to individual needs.

• Opportunities for professional growth and career advancement.

• Support for personal growth and development initiatives.

• Financial well-being support programs.

• Comprehensive health and well-being support.

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

Working Hours: Standard full-time working hours are assumed to be approximately 40 hours per week, typically Monday to Friday, with potential for flexibility depending on project needs and team agreements.

📝 Enhancement Note: Salary estimation is based on aggregated data from reputable Indian job boards and salary survey sites for similar roles in Noida, considering the specified experience level and mandatory skills. The benefits listed are directly from the provided company description, emphasizing a strong employee value proposition.

🎯 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 implies a need for agility, innovation, and a strong client-centric approach.

Company Size: Over 4,300 associates across India, U.S.A, and Canada. This indicates a medium to large-sized organization with established processes, but also enough scale to offer diverse projects and career paths. For operations professionals, this size often means structured teams, defined roles, and opportunities for specialization.

Founded: While the founding date isn't explicitly provided, the description mentions Iris Software as one of the "fastest-growing IT services companies" and "India’s Top 25 Best Workplaces in IT industry," suggesting a well-established and reputable company with a culture focused on employee recognition and growth.

Team Structure:

• The operations team likely consists of specialized groups focusing on areas like application engineering, data & analytics, cloud, DevOps, quality engineering, and business automation, alongside core development teams.

• As a Senior Engineer, you would likely report to an Engineering Lead or Manager, with a clear hierarchy that allows for direct impact and visibility.

• Cross-functional collaboration is a key aspect, involving frequent interaction with product managers, designers, backend engineers, DevOps engineers, and business stakeholders to ensure seamless delivery of enterprise-grade applications. Methodology:

• Data Analysis and Insights: Emphasis on data-driven decision-making, utilizing analytics to understand application performance, user behavior, and operational efficiency.

• Workflow Planning and Optimization: Implementing agile methodologies and continuous improvement frameworks to streamline development and deployment processes.

• Automation and Efficiency Practices: Leveraging tools and technologies to automate repetitive tasks in development, testing, and deployment, driving operational efficiency.

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

📝 Enhancement Note: The company context highlights a growth-oriented IT services firm with a strong emphasis on employee value and a broad range of technology services. For an operations-focused role, this suggests an environment where process efficiency, automation, and data-driven improvements are valued, and where collaboration across diverse technical domains is common.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Senior Engineer, indicating a significant level of technical expertise, autonomy, and responsibility. It signifies a transition from individual contribution to technical leadership, where the engineer is expected to not only execute complex tasks but also guide others, influence technical direction, and take ownership of critical system components. The scope includes designing scalable applications, defining architecture, and improving operational processes.

Reporting Structure: Typically, a Senior Engineer at this level would report to an Engineering Manager or a Technical Lead. They would be part of a larger engineering department and would likely collaborate closely with product management, QA, and potentially DevOps or SRE teams. The role involves mentoring junior engineers, fostering a collaborative team environment, and contributing to technical decision-making.

Operations Impact: The operations impact of this role is substantial. By focusing on React performance optimization, CI/CD pipeline improvements, deployment automation, and root cause analysis for production issues, the Senior Engineer directly contributes to the stability, scalability, and efficiency of the company's software products. This translates to improved user experience, reduced operational costs, faster time-to-market for new features, and enhanced overall business agility. Effective state management and API contract definition ensure data integrity and system reliability, which are critical for enterprise clients.

Growth Opportunities:

• Operations Skill Advancement: Deepen expertise in frontend operations, including advanced CI/CD practices, monitoring tools, performance tuning, and cloud-native deployment strategies.

• Technical Leadership: Transition into roles such as Tech Lead, Architect, or Engineering Manager, focusing on leading teams, defining technical strategy, and overseeing complex projects.

• Specialization: Develop specialized skills in areas like frontend performance engineering, site reliability for frontend applications, or advanced state management patterns.

• Cross-Functional Exposure: Gain deeper understanding and experience in backend systems, cloud infrastructure, and data analytics through collaboration with other specialized teams.

📝 Enhancement Note: The "Senior Engineer" title implies a career trajectory that goes beyond just coding. It involves leadership, strategic thinking, and a significant impact on the operational aspects of software delivery. The growth opportunities reflect this, pointing towards leadership, specialization, and broader technical exposure.

🌐 Work Environment

Office Type: Iris Software operates with a hybrid or on-site model, as indicated by the "On-site" work arrangement. The description emphasizes an "award-winning culture" and "India’s Top 25 Best Workplaces in IT industry," suggesting a professional and collaborative office environment designed to foster innovation and teamwork.

Office Location(s): The primary location for this role is Noida, Uttar Pradesh, India. This region is a significant IT hub, offering access to talent and a dynamic professional ecosystem. Specific details about the office facilities, such as collaboration spaces, amenities, and accessibility, would typically be available upon further inquiry or during the interview process.

Workspace Context:

• Collaborative Environment: The office likely features open workspaces, meeting rooms, and common areas designed to encourage interaction, knowledge sharing, and cross-functional collaboration among engineering teams and other departments.

• Operations Tools and Technology: Access to modern development tools, high-performance workstations, and robust network infrastructure is expected, supporting efficient development, testing, and deployment workflows. This includes necessary software licenses and hardware.

• Team Interaction: The on-site environment facilitates direct communication and spontaneous problem-solving sessions with colleagues, team leads, and mentors, which is crucial for complex technical challenges and for junior developer mentorship.

Work Schedule: The standard work schedule is likely Monday to Friday, aligning with typical business operations in the IT sector. While the role is on-site, the company's emphasis on employee growth and personal development might suggest some flexibility in daily start/end times, provided project deadlines and team collaboration needs are met.

📝 Enhancement Note: The on-site requirement for a Senior Engineer role suggests an environment that values in-person collaboration, team synergy, and direct mentorship. This is common for roles requiring complex problem-solving and leadership.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Interview(s): Expect one or more in-depth technical interviews focusing on React, JavaScript, state management (Redux), asynchronous data handling (TanStack Query), performance optimization, and testing (Jest). These may include live coding exercises, problem-solving scenarios, and architectural discussions.

• Code Review/Portfolio Presentation: A session dedicated to reviewing your submitted portfolio. You will be expected to walk through selected projects, explain your design choices, technical challenges, and the impact of your work, particularly focusing on performance and operational improvements.

• Behavioral/Managerial Interview: An interview with the hiring manager or a senior team member to assess behavioral competencies such as ownership, collaboration, problem-solving, mentorship, and adaptability.

• Final Interview: Potentially a final round with a senior leader to discuss overall fit and career aspirations.

Portfolio Review Tips:

• Curate Selectively: Choose 2-3 of your strongest projects that best showcase your React expertise, performance optimization efforts, and any contributions to operational efficiency (e.g., CI/CD, testing improvements).

• Focus on Impact: For each project, clearly articulate the problem statement, your role, the technical solutions implemented, and the measurable outcomes (e.g., performance gains, bug reduction, efficiency improvements). Use metrics wherever possible.

• Explain Your Process: Be prepared to discuss your development process, including how you approached design, component architecture, state management, testing, and deployment. Highlight any unique challenges and how you overcame them.

• Demonstrate Ownership: Emphasize your individual contributions and the ownership you took over specific modules or features, especially those related to performance and operational stability.

• Technical Depth: Be ready to dive deep into the technical details of your code, architectural decisions, and the reasoning behind your choices, especially regarding React Hooks, Redux, and TanStack Query.

Challenge Preparation:

• Live Coding: Practice coding exercises focused on common JavaScript and React patterns, data structures, and algorithms. Be prepared for tasks related to state manipulation, component creation, and API integration.

• Problem-Solving Scenarios: Anticipate questions that require you to troubleshoot hypothetical issues related to performance bottlenecks, state inconsistencies, or integration failures. Focus on your systematic approach to root cause analysis.

• Architectural Design: Prepare to discuss how you would design a scalable React application or a specific feature, considering aspects like component reusability, state management strategy, API design, and performance implications.

• Mentorship Discussion: Be ready to discuss how you approach mentoring junior developers, conducting code reviews, and fostering a culture of engineering excellence.

📝 Enhancement Note: The interview process for a Senior Engineer role, especially one with operational responsibilities, will be rigorous. A strong portfolio that explicitly demonstrates both development expertise and an understanding of operational efficiency is key. Candidates should prepare to articulate their contributions with data and demonstrate leadership potential.

🛠 Tools & Technology Stack

Primary Tools:

• Frontend Framework: React (core requirement)

• State Management: Redux,

TanStack Query (React Query)

• Language: JavaScript (ES6+), HTML5,

CSS3

• Testing Frameworks: Jest (mandatory), potentially others like React Testing Library, Cypress.

• Build Tools: Webpack, Vite (common in React ecosystems)

• Version Control: Git (standard)

Analytics & Reporting:

• Performance Monitoring: Tools for monitoring React application performance (e.g., browser dev tools, Lighthouse, potentially APM tools like Datadog, New Relic for frontend).

• Analytics Platforms: Google Analytics, Amplitude, Mixpanel (for user behavior tracking, though less direct for this role).

• Dashboarding: Tools for visualizing performance metrics or application health (e.g., Grafana, custom dashboards).

CRM & Automation:

• CRM (Indirect Relevance): While not a direct CRM role, understanding how frontend applications integrate with CRMs like Salesforce or HubSpot might be beneficial.

• CI/CD Tools: Jenkins, GitLab CI, GitHub Actions, Azure DevOps (for pipeline automation).

• Collaboration Tools: Jira, Confluence, Slack, Microsoft Teams.

📝 Enhancement Note: The technology stack is heavily focused on the modern React ecosystem. The inclusion of CI/CD, logging, and monitoring tools indicates the operational aspect of the role, requiring familiarity with the tools that support efficient and reliable software delivery.

👥 Team Culture & Values

Operations Values:

• Technical Ownership: A strong sense of responsibility for the quality, performance, and reliability of the code and systems developed. This includes taking initiative to fix issues and improve processes.

• Engineering Excellence: A commitment to high standards in code quality, security, performance optimization, and adherence to best practices. This is driven through code reviews, automation, and continuous learning.

• Collaboration and Communication: Openness to working effectively with cross-functional teams, sharing knowledge, and communicating progress and risks clearly to both technical and non-technical stakeholders.

• Adaptability and Continuous Learning: A proactive approach to staying updated with evolving technologies, engineering practices, and industry trends, embracing new tools and methodologies.

• Problem-Solving and Analytical Thinking: A methodical approach to identifying, diagnosing, and resolving complex technical and production challenges, backed by strong analytical skills.

Collaboration Style:

• Cross-functional Integration: Expect to work closely with product managers, backend engineers, QA testers, and potentially DevOps/SRE teams, requiring clear communication and a shared understanding of project goals.

• Process Review Culture: An environment where development and deployment processes are regularly reviewed, discussed, and optimized, with feedback encouraged from all team members.

• Knowledge Sharing: A culture that promotes sharing of technical expertise, best practices, and lessons learned through code reviews, internal tech talks, documentation, and pair programming.

📝 Enhancement Note: The emphasis on "ownership," "engineering excellence," and "continuous learning" aligns well with a senior role that has operational responsibilities. The collaborative style points to a team that values open communication and shared improvement.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Feature Delivery with Operational Excellence: The primary challenge will be to deliver new features and application enhancements while simultaneously maintaining and improving the operational health, performance, and reliability of the application.

• Managing Complexity in Enterprise Applications: Dealing with the inherent complexity of large-scale, enterprise-grade applications, including intricate state management, numerous integrations, and diverse user requirements.

• Keeping Pace with Evolving Frontend Technologies: The frontend landscape changes rapidly. Staying current with new React features, best practices, and related tools requires continuous learning and adaptation.

• Mentoring Junior Developers Effectively: Guiding and developing less experienced engineers while meeting demanding project timelines requires strong leadership and communication skills.

Learning & Development Opportunities:

• Operations Skill Advancement: Opportunities to deepen expertise in areas like advanced CI/CD, performance monitoring and tuning, A/B testing frameworks for frontend, and infrastructure-as-code principles applied to frontend deployments.

• Industry Conference and Certification Participation: Support for attending relevant industry conferences (e.g., ReactConf, KubeCon if applicable to frontend infra) and obtaining certifications in cloud technologies or specialized frontend areas.

• Operations Mentorship and Leadership: Access to mentorship programs and leadership development initiatives designed to help individuals grow into technical leadership roles, such as Tech Lead, Architect, or Engineering Manager.

📝 Enhancement Note: This section highlights the inherent trade-offs in a role that bridges development and operations. The growth opportunities are framed to help candidates leverage these challenges for career advancement.

💡 Interview Preparation

Strategy Questions:

• Operations Strategy: "How would you approach optimizing the performance of a large-scale React application to reduce load times by 20% while ensuring backward compatibility?" (Prepare to discuss profiling tools, code splitting, lazy loading, memoization, and impact on API calls.)

• Collaboration & Stakeholder Management: "Describe a time you had to collaborate with a backend team to define API contracts for a complex feature. What challenges did you face, and how did you resolve them?" (Prepare a STAR method answer focusing on clear communication, negotiation, and documentation.)

• Problem-Solving: "Imagine a critical production issue arises where users report intermittent data loading errors in a React application. Walk us through your process for diagnosing and resolving this issue." (Focus on systematic debugging, using tools, isolating variables, and communicating findings.)

Company & Culture Questions:

• "Based on your understanding of Iris Software's focus on enterprise transformation and growth, how do you see this Senior Engineer role contributing to those goals?" (Research company values, recent news, and connect your skills to their mission.)

• "How do you approach mentoring junior developers to ensure they adopt best practices in coding and operational efficiency?" (Discuss your mentoring style, feedback techniques, and focus on practical application.)

• "How do you measure the success of your contributions, particularly concerning performance optimization and operational improvements?" (Prepare to discuss metrics like page load time, time to interactive, error rates, CI/CD pipeline speed, and deployment success rates.) Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, use a clear structure: Problem -> Solution -> Your Role -> Technical Details -> Impact/Results.

• Highlight Operations Impact: Explicitly point out any contributions you made to improving the application's operational aspects, such as performance enhancements, testing strategies, or CI/CD involvement. Quantify these impacts with data.

• Demonstrate Technical Depth: Be ready to explain the rationale behind your architectural decisions, your choice of specific React Hooks, Redux patterns, or TanStack Query configurations.

• Showcase Problem-Solving: Discuss the most challenging technical problems you encountered and how you leveraged your skills and the available tools to overcome them.

• Engage Your Audience: Make it a conversation rather than a monologue. Be prepared to answer questions about your code and decisions.

📝 Enhancement Note: Interview preparation for this role should focus on demonstrating not just React proficiency but also a mature understanding of software engineering principles, operational best practices, and leadership potential. Quantifiable achievements and a structured approach to problem-solving will be key.

📌 Application Steps

To apply for this operations-focused UI React Senior Engineer position:

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

• Tailor Your Resume: Highlight your experience with React, Redux, TanStack Query, performance optimization, and any contributions to CI/CD, testing, or deployment processes. Use keywords from the job description.

• Prepare Your Portfolio: Select 2-3 key projects that best demonstrate your skills in React development, architectural design, performance optimization, and operational contributions. Ensure you can clearly articulate the problem, solution, your role, and the impact.

• Practice Your Interview Answers: Prepare for technical questions on React, JavaScript, and related tools. Rehearse answers to behavioral questions using the STAR method, focusing on ownership, problem-solving, and mentorship.

• Research Iris Software: Familiarize yourself with the company's mission, values, recent projects, and their position as a Top Workplace. Understand their focus on enterprise transformation and client partnerships.

⚠️ 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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