UI React - Senior Engineer

Iris Software
Full-timeNoida, India

📍 Job Overview

Job Title: UI React - Senior Engineer

Company: Iris Software

Location: Noida, Uttar Pradesh, India

Job Type: Full-Time

Category: Software Engineering / Front-End Development

Date Posted: August 24, 2026

Experience Level: Senior (5-10 years)

Remote Status: On-site

🚀 Role Summary

  • Spearhead the development of high-quality, user-centric front-end applications using React and modern JavaScript frameworks.

  • Drive technical excellence by ensuring code quality, adhering to industry best practices, and implementing efficient coding standards.

  • Facilitate seamless communication and collaboration between development teams and client stakeholders to resolve technical challenges and refine project requirements.

  • Leverage a strong understanding of database querying and front-end development principles to deliver robust and scalable solutions.

  • Integrate and utilize Generative AI (GenAI) tools to enhance development workflows and explore innovative solutions.

📝 Enhancement Note: While the role is primarily a Senior Engineer focusing on UI React development, the emphasis on "team and client management skills," "strong communication skills," and "probing technical problems or clarifying requirement specifications" suggests a hybrid role that also involves technical leadership and client-facing responsibilities, often seen in senior or lead engineering positions. The inclusion of GenAI tools indicates a forward-thinking approach to development.

📈 Primary Responsibilities

  • Develop, test, and deploy complex, mission-critical front-end applications using React, JavaScript (ES6+), HTML5, and CSS3.

  • Implement and manage state management solutions using Redux Thunk or Redux Saga.

  • Write clean, maintainable, and efficient code, adhering to established coding standards and industry best practices.

  • Conduct comprehensive unit testing using Jest, Enzyme, or React Testing Library to ensure code integrity and application stability.

  • Collaborate closely with cross-functional teams, including backend developers, designers, and product managers, to deliver integrated solutions.

  • Engage directly with client stakeholders to understand technical requirements, troubleshoot issues, and provide clear technical explanations.

  • Utilize GenAI tools to explore new development approaches, automate tasks, and enhance productivity.

  • Optimize application performance for maximum speed and scalability across various devices and browsers.

  • Contribute to the continuous improvement of development processes and methodologies within the engineering team.

  • Mentor junior engineers, providing guidance on technical challenges, best practices, and career development.

📝 Enhancement Note: The raw description mentions "GENAI tools usage and basic understanding is also a mandatory" and "Must to have team and client management skills in efficient manner." These have been integrated into specific responsibilities, highlighting the practical application of GenAI and the expectation of leadership and client interaction for a Senior Engineer.

🎓 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:

  • Minimum 6 years of hands-on experience specifically with React.

  • 5-10 years of overall professional experience in software development, with a strong focus on front-end technologies. Required Skills:

  • Expertise in JavaScript (ES6+) and modern front-end development principles.

  • Advanced proficiency in React, including hooks and component lifecycle management.

  • Strong command of state management libraries like Redux Thunk or Redux Saga.

  • Proficiency in HTML5 and CSS3 for semantic markup and responsive styling.

  • Experience with unit testing frameworks such as Jest, Enzyme, or React Testing Library.

  • Solid understanding of Node.js for server-side JavaScript development and build tools.

  • Familiarity with database querying and basic database concepts.

  • Mandatory experience with GenAI tools and an understanding of their application in development.

  • Proven team management skills, including mentoring and guiding junior developers.

  • Demonstrated client management skills, with the ability to effectively communicate technical details to non-technical stakeholders.

  • Excellent communication and interpersonal skills, enabling clear articulation of technical problems and requirements.

  • High level of ownership and commitment to delivering high-quality, timely results. Preferred Skills:

  • Experience with TanStack Query (React Query) for efficient data fetching and caching.

  • Familiarity with other front-end frameworks like Angular, and associated testing tools like Jasmine and Karma.

  • Experience with performance optimization techniques specific to React applications.

  • Understanding of CI/CD pipelines and DevOps practices.

  • Experience in Application & Product Engineering, Data & Analytics, Cloud, DevOps, Data & MLOps, Quality Engineering, or Business Automation.

📝 Enhancement Note: The "Mandatory Competencies" section from the input was a rich source for required skills. These were expanded and contextualized within the typical expectations for a Senior Engineer role, particularly emphasizing the blend of technical depth and leadership/client-facing capabilities.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • Showcase a minimum of 2-3 significant React-based projects demonstrating complex UI development, state management, and performance optimization.

  • Include examples of code quality, adherence to coding standards, and effective unit testing strategies.

  • Present case studies that highlight problem-solving approaches, particularly for challenging technical issues or requirement clarifications.

  • Demonstrate experience with integrating new technologies, such as GenAI tools, into development workflows.

  • Provide evidence of effective collaboration and communication, potentially through project descriptions detailing client interaction or team leadership. Process Documentation:

  • Be prepared to discuss your personal development process, from requirement gathering and design to implementation, testing, and deployment.

  • Highlight your approach to writing clean, maintainable, and testable code.

  • Detail your experience with agile methodologies and iterative development cycles.

  • Explain how you ensure code quality and adherence to standards, including your unit testing strategies.

  • Be ready to articulate your process for managing project deliverables and commitments with high ownership.

📝 Enhancement Note: Given the emphasis on "producing excellent quality of code, adhering to expected coding standards and industry best practices," and "high levels of ownership and commitment on deliverables," a robust portfolio demonstrating these aspects is crucial. The inclusion of GenAI and client management also implies a need to showcase adaptability and stakeholder engagement within project examples.

💵 Compensation & Benefits

Salary Range: For a Senior React Engineer with 6+ years of experience in Noida, India, the estimated annual salary range would typically be between ₹12,00,000 to ₹20,00,000. This range can vary based on the specific depth of experience, the complexity of past projects, individual negotiation skills, and the company's compensation philosophy.

Benefits:

  • Personalized employee experience and career development.

  • Access to world-class benefits designed for financial support.

  • Comprehensive health and well-being programs.

  • Continuous learning opportunities and mentorship.

  • Potential for involvement in cutting-edge technology projects (e.g., GenAI, Cloud, Data & Analytics).

  • Opportunities to work with enterprise clients across various industries.

  • Being part of an award-winning culture recognized as one of India's Top 25 Best Workplaces in the IT industry.

Working Hours: The standard working hours for this role are expected to be 40 hours per week, typical for a full-time position. While on-site, there may be flexibility depending on project deadlines and team needs, but core hours will be expected for collaboration and client interaction.

📝 Enhancement Note: Salary estimation is based on industry benchmarks for Senior React Engineers in Noida, India, considering the provided experience level and the company's standing in the IT industry. The benefits listed are directly extracted and expanded upon from the provided text, emphasizing their relevance to operations professionals seeking holistic growth.

🎯 Team & Company Context

🏢 Company Culture

Industry: Information Technology (IT) Services and Consulting. Iris Software operates in a dynamic sector focused on technology-enabled transformation for enterprise clients, specializing in areas like financial services, healthcare, and transportation & logistics.

Company Size: Over 4,300 associates across India, U.S.A, and Canada. This signifies a large, established IT services company with a global presence, offering stability and opportunities for diverse project exposure.

Founded: While the founding date isn't provided, Iris Software is described as one of India's fastest-growing IT services companies and a "Top 25 Best Workplaces in IT industry," indicating a strong track record and a culture focused on employee growth and satisfaction.

Team Structure:

  • The engineering teams are likely structured by specialization (e.g., front-end, back-end, data) and project. As a Senior Engineer, you would be part of a core development team.

  • Reporting structure would typically involve reporting to an Engineering Manager or a Technical Lead, with the potential to lead smaller sub-teams or mentor junior engineers.

  • Cross-functional collaboration is heavily emphasized, involving close work with product managers, designers, QA engineers, and client stakeholders. Methodology:

  • Data Analysis and Insights: While more common in operations roles, engineering teams at Iris likely leverage data from testing, user feedback, and performance monitoring to drive decisions.

  • Workflow Planning and Optimization: Agile methodologies (Scrum, Kanban) are standard, with a focus on iterative development, sprint planning, and continuous improvement of development workflows.

  • Automation and Efficiency Practices: Emphasis on unit testing, CI/CD, and potentially using GenAI tools for automation signifies a drive for efficiency and streamlined processes.

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

📝 Enhancement Note: The "About Us" and "Why Join Iris?" sections provided a strong foundation for company context. The size and industry position are highlighted to inform candidates about the scale of operations and the company's standing, which can influence team dynamics and project scope.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Senior Engineer, indicating a mid-to-senior level within the technical track. It signifies a level of autonomy, technical leadership, and the ability to handle complex challenges independently. Senior engineers are expected to not only execute but also contribute to technical strategy, mentor others, and manage client interactions effectively.

Reporting Structure: You will likely report to an Engineering Manager or a Team Lead, who oversees multiple projects or a specific functional area. The role also involves influencing and guiding junior engineers within your project team.

Operations Impact: As a Senior UI React Engineer, your impact will be directly tied to the quality, performance, and user experience of the applications you build. This role is crucial for translating business requirements into functional, intuitive, and robust user interfaces that drive client success and adoption. Your technical leadership and mentorship will also have a significant impact on team development and overall project delivery efficiency.

Growth Opportunities:

  • Technical Specialization: Deepen expertise in React, explore advanced JavaScript concepts, or specialize in performance optimization, accessibility, or specific front-end architectures.

  • Leadership Track: Transition into roles like Tech Lead, Engineering Manager, or Architect, focusing on team management, project strategy, and technical decision-making.

  • Cross-Functional Exposure: Gain experience in adjacent areas such as backend development, cloud technologies, DevOps, or data engineering through project involvement or internal mobility.

  • GenAI Integration: Develop expertise in leveraging GenAI tools for enhanced software development, a rapidly growing field.

  • Client Relationship Management: Enhance client-facing skills and potentially move into roles with more direct client engagement or solution architecture.

📝 Enhancement Note: The "Build Your Future. Own Your Journey." Employee Value Proposition and the general emphasis on growth and potential within the company description were used to flesh out the career and growth analysis for a Senior Engineer.

🌐 Work Environment

Office Type: This is an on-site position located in Noida. The office environment at Iris Software is described as award-winning and values talent and ambitions, suggesting a professional and supportive atmosphere.

Office Location(s): Noida, Uttar Pradesh, India. This location is a major hub for IT services in India.

Workspace Context:

  • Collaborative Environment: Expect a dynamic workspace that fosters teamwork, communication, and knowledge sharing, as indicated by their award-winning culture and emphasis on employee value.

  • Operations Tools and Technology: Access to modern development tools, high-speed internet, and potentially specialized hardware for development and testing. The company works with "latest technologies," suggesting a modern tech stack.

  • Team Interaction: Opportunities for daily interaction with fellow engineers, designers, project managers, and potentially client representatives, facilitating problem-solving and innovation.

Work Schedule: The standard work schedule is likely Monday to Friday, with 40 hours per week. While on-site, there's an expectation of core working hours for team collaboration and client availability, with potential for some flexibility based on project demands and team agreements.

📝 Enhancement Note: The "award-winning culture" and "truly values your talent and ambitions" points from the company description were used to infer the nature of the on-site work environment, focusing on collaboration and professional development.

📄 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 technical interviews focusing on JavaScript, React concepts, state management (Redux), unit testing, and problem-solving. These may involve live coding exercises or in-depth discussions about past projects.

  • System Design/Architecture Discussion: For a senior role, you might be asked to discuss how you would approach designing or scaling a particular front-end system.

  • GenAI/Client Management Discussion: Be prepared to discuss your experience with GenAI tools and how you've handled client interactions or managed technical challenges in client-facing scenarios.

  • Hiring Manager/Team Lead Interview: This interview will focus more on leadership potential, team collaboration, mentorship abilities, and alignment with Iris Software's culture.

  • Final Round: Potentially a final interview with a senior leader.

Portfolio Review Tips:

  • Highlight React Expertise: Showcase projects with complex UI, custom components, hooks, and efficient state management using Redux.

  • Demonstrate Code Quality: Ensure your code samples are clean, well-commented, and follow best practices. Include examples of unit tests (Jest, RTL).

  • Showcase Problem Solving: For each project, articulate a specific challenge you faced and how you overcame it, especially if it involved client requirements or technical hurdles.

  • Include GenAI Usage: If possible, demonstrate any use of GenAI tools in your projects or workflows, even if it's a proof-of-concept.

  • Quantify Impact: Wherever possible, use metrics to showcase the impact of your work (e.g., performance improvements, user adoption rates).

  • Client Interaction Examples: If you have public-facing projects, mention your role in stakeholder communication or requirement clarification.

Challenge Preparation:

  • Coding Challenges: Practice JavaScript and React coding problems on platforms like LeetCode, HackerRank, or Codewars, focusing on algorithmic thinking and efficient solutions.

  • System Design: Review common front-end system design patterns and be ready to discuss trade-offs.

  • Behavioral Questions: Prepare answers for questions related to teamwork, leadership, problem-solving, and handling difficult situations, using the STAR method (Situation, Task, Action, Result).

  • Company Research: Understand Iris Software's mission, values, and recent projects to tailor your responses.

📝 Enhancement Note: The emphasis on "producing excellent quality of code," "client management skills," and "GenAI tools usage" directly informs the preparation strategy for both the interview and portfolio review.

🛠 Tools & Technology Stack

Primary Tools:

  • React: Core library for building user interfaces.

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

  • Node.js: For build processes, server-side logic, and development tooling.

  • Redux (Thunk/Saga): For complex state management.

  • HTML5/CSS3: For structuring and styling web pages.

Testing & Quality Assurance:

  • Jest: A popular JavaScript testing framework.

  • Enzyme / React Testing Library: For testing React components.

  • Jasmine / Karma: Potentially used in environments with Angular integration or legacy projects.

Data & Databases:

  • Database Querying: Fundamental knowledge of SQL or NoSQL query languages.

Emerging Technologies:

  • GenAI Tools: Mandatory usage and basic understanding, indicating integration into development workflows.

Collaboration & Project Management:

  • Version Control: Git (likely GitHub, GitLab, or Bitbucket).

  • Project Management Tools: Jira, Asana, or similar, depending on team preference.

Analytics & Reporting:

  • React Query / TanStack Query: For efficient data fetching, caching, and synchronization.

  • Browser Developer Tools: For debugging and performance analysis.

Integration:

  • API Integration: Experience with RESTful APIs or GraphQL.

📝 Enhancement Note: The "Mandatory Competencies" and "Job Description" sections were the primary sources for identifying the required tools and technologies. "React Maps" and "React Performance Optimization" were interpreted as specific skill areas rather than distinct tools.

👥 Team Culture & Values

Operations Values:

  • Excellence in Code Quality: A strong commitment to producing high-quality, maintainable, and efficient code that adheres to industry best practices.

  • Ownership and Commitment: A proactive approach to deliverables, taking responsibility for tasks from start to finish and ensuring successful outcomes.

  • Continuous Learning and Growth: An environment that encourages staying updated with the latest technologies (like GenAI) and fosters personal and professional development.

  • Client Focus and Collaboration: A dedication to understanding and meeting client needs through effective communication and collaborative problem-solving.

  • Innovation: Embracing new tools and methodologies, such as GenAI, to drive efficiency and explore novel solutions.

Collaboration Style:

  • Cross-functional Integration: Seamlessly working with backend developers, designers, QA engineers, and product managers to achieve project goals.

  • Stakeholder Communication: Open and clear communication with client stakeholders to clarify requirements, discuss technical challenges, and present solutions effectively.

  • Mentorship and Knowledge Sharing: A culture where senior engineers mentor junior colleagues, and knowledge is shared freely to elevate the entire team's capabilities.

  • Agile and Iterative: Embracing agile principles for flexible and responsive project execution, with regular feedback loops.

📝 Enhancement Note: The company's emphasis on "award-winning culture," "truly values your talent and ambitions," and the Employee Value Proposition "Build Your Future. Own Your Journey." were instrumental in defining the team culture and values from an engineering perspective.

⚡ Challenges & Growth Opportunities

Challenges:

  • Balancing Innovation with Stability: Integrating new technologies like GenAI while maintaining robust, reliable code and meeting project deadlines.

  • Complex Client Requirements: Effectively translating diverse and potentially evolving client needs into technical solutions, requiring strong communication and problem-solving skills.

  • Performance Optimization: Ensuring applications are highly performant and scalable across different devices and network conditions.

  • Mentorship Load: Effectively balancing hands-on development with the responsibility of mentoring and guiding junior engineers.

  • Staying Current: Keeping pace with the rapid advancements in front-end technologies and AI.

Learning & Development Opportunities:

  • Advanced React & JavaScript: Opportunities to deepen expertise through challenging projects and specialized training.

  • GenAI Integration: Hands-on experience and potential training in applying GenAI tools to software development, a high-demand skill.

  • Technical Leadership: Developing skills in team management, project strategy, and architectural design through mentorship and project experience.

  • Cross-Disciplinary Learning: Exposure to cloud, DevOps, data engineering, and other areas within Iris Software's service offerings.

  • Industry Exposure: Working with enterprise clients in various sectors provides broad business context and problem-solving experience.

📝 Enhancement Note: The "Challenges" section directly addresses the potential difficulties of the role, drawing from the required skills (GenAI, client management) and the inherent complexities of senior engineering positions. Growth opportunities are framed to align with the company's stated values of career development.

💡 Interview Preparation

Strategy Questions:

  • Technical Depth: Be ready to explain core JavaScript concepts (e.g., closures, promises, async/await), React principles (hooks, reconciliation, context API), and deep dive into Redux middleware patterns.

  • Problem Solving & Debugging: Prepare to walk through your process for debugging a complex front-end issue, detailing how you'd use browser dev tools, logging, and testing.

  • GenAI Application: How would you use GenAI tools to improve the development workflow for a React application? Provide specific examples.

  • Client Communication: Describe a time you had to explain a complex technical problem or requirement to a non-technical client. What was your approach, and what was the outcome?

  • Team Leadership: How do you mentor junior engineers? Describe a situation where you had to guide a team member through a difficult technical challenge.

Company & Culture Questions:

  • Iris Software's Values: Research Iris Software's mission, vision, and "Top 25 Best Workplaces" accolades. Be prepared to discuss how your values align with theirs.

  • "Build Your Future. Own Your Journey.": How does this employee value proposition resonate with your career aspirations?

  • Team Collaboration: How do you contribute to a positive and productive team environment?

Portfolio Presentation Strategy:

  • Structure Your Narrative: For each project, clearly define the problem, your role, the solutions you implemented (highlighting React, Redux, GenAI usage), and the measurable results.

  • Showcase Code Quality: Be ready to share snippets or a repository link demonstrating clean, well-tested code. Explain your testing strategy.

  • Demonstrate Client Impact: If applicable, highlight how your work directly addressed client needs or improved their business outcomes.

  • Discuss Technical Trade-offs: Be prepared to discuss why you made certain technical decisions (e.g., choosing Redux over Context API, specific testing approaches).

  • Engage and Ask Questions: Treat the portfolio review as a collaborative discussion. Ask insightful questions about their current tech stack and challenges.

📝 Enhancement Note: The interview preparation advice is tailored to the specific requirements mentioned in the job description, such as mandatory GenAI usage, client management skills, and the expectation of producing high-quality code.

📌 Application Steps

To apply for this Senior UI React Engineer position:

  • Submit your Application: Navigate to the Iris Software careers portal and submit your application through the provided link.

  • Tailor Your Resume: Emphasize your 6+ years of React experience, proficiency in JavaScript, Node.js, Redux, and any experience with GenAI tools. Quantify your achievements with metrics where possible.

  • Prepare Your Portfolio: Curate 2-3 of your strongest React projects. Ensure code is accessible (e.g., GitHub) and be ready to present specific examples of your problem-solving, code quality, and any client interaction or GenAI integration.

  • Practice Interview Questions: Rehearse answers to common technical, behavioral, and situational questions, focusing on your experience with React, JavaScript, Redux, testing, and client management.

  • Research Iris Software: Familiarize yourself with the company's culture, values, industry position, and recent news to demonstrate genuine interest and cultural alignment.

⚠️ 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.


Application Requirements

Candidates must have at least 6 years of experience in React and strong proficiency in JavaScript, Node.js, and Redux. Additionally, experience with unit testing, database querying, and GenAI tools is mandatory.