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: Software Engineering - Frontend Development

Date Posted: May 16, 2026

Experience Level: Senior (5-10 years)

Remote Status: On-site

🚀 Role Summary

• Spearhead the development of complex, mission-critical frontend applications utilizing React.js and TypeScript to drive technology-enabled transformation for enterprise clients.

• Architect and implement reusable UI components, leveraging modern JavaScript features like hooks and state management, to enhance code maintainability and scalability.

• Design and build API-driven user interfaces, with a strong emphasis on GraphQL integration, to ensure seamless data flow and efficient user experiences.

• Champion the adoption and implementation of Micro Frontend architecture, utilizing module federation and distributed UI design principles, to foster modularity and independent team development.

• Lead code reviews, debugging efforts, and contribute to a collaborative development environment within monorepo/Yarn workspace structures, ensuring high code quality and adherence to best practices.

📝 Enhancement Note: The role description clearly indicates a Senior Engineer position focused on frontend development with a strong emphasis on React.js. The responsibilities point towards architectural contributions, especially concerning Micro Frontend architecture, and deep technical expertise in modern JavaScript frameworks. Given the company's focus on enterprise clients and complex applications, this role likely involves significant collaboration with backend teams, product managers, and potentially other engineering leads.

📈 Primary Responsibilities

• Develop, test, and deploy robust and scalable frontend solutions using React.js, TypeScript, and modern JavaScript best practices.

• Design and build sophisticated, reusable UI components and patterns, adhering to established design systems and accessibility standards.

• Integrate frontend applications with backend services via GraphQL APIs, ensuring efficient data fetching and state synchronization.

• Architect and implement Micro Frontend strategies, including module federation, to enable independent deployment and scalability of frontend modules.

• Write comprehensive unit and integration tests using Jest and React Testing Library to ensure code quality, reliability, and maintainability.

• Collaborate closely with UI/UX designers to translate wireframes and mockups into high-fidelity, user-friendly interfaces.

• Participate actively in code reviews, providing constructive feedback to peers and ensuring adherence to coding standards and architectural guidelines.

• Troubleshoot and debug complex issues across the frontend stack, identifying root causes and implementing effective solutions.

• Contribute to the optimization of frontend performance, focusing on load times, rendering efficiency, and overall user experience.

• Maintain and evolve frontend development standards, tooling, and best practices within the engineering team.

📝 Enhancement Note: The responsibilities are structured to reflect a senior-level contribution, emphasizing architectural design, leadership in code quality, and strategic implementation of advanced frontend concepts like Micro Frontends. This goes beyond basic component development to encompass system-level thinking.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Experience: 5-10 years of professional experience in frontend software development, with a significant focus on React.js.

Required Skills:

• React.js Expertise: Deep understanding and hands-on experience with React.js, including hooks, context API, state management (e.g., Redux, Zustand), and component lifecycle.

• TypeScript Proficiency: Strong command of TypeScript for building robust, maintainable, and type-safe JavaScript applications.

• Modern JavaScript: Mastery of modern JavaScript features (ES6+) including asynchronous programming, modules, and functional programming concepts.

• GraphQL Integration: Proven experience building and consuming GraphQL APIs for efficient UI data management.

• Micro Frontend Architecture: Demonstrated experience designing and implementing Micro Frontend architectures, including concepts like module federation and distributed UI.

• Component Design & State Management: Ability to build reusable, well-documented components and manage complex application state effectively.

• Testing Frameworks: Proficiency with unit and integration testing tools such as Jest and React Testing Library for ensuring code quality.

• Styling & Theming: Experience with CSS-in-JS solutions like styled-components or similar technologies for component-level styling.

• Debugging & Code Review: Strong analytical and debugging skills, with experience performing thorough code reviews.

• Collaboration & Communication: Excellent verbal and written communication skills, with a proven ability to collaborate effectively with cross-functional teams.

Preferred Skills:

• Monorepo Management: Experience working with monorepo structures and package managers like Yarn Workspaces.

• Design Systems: Familiarity with building and consuming design systems for consistent UI development.

• Performance Optimization: Knowledge of frontend performance optimization techniques and tools.

• CI/CD: Experience with continuous integration and continuous deployment pipelines for frontend applications.

• Cloud Platforms: Familiarity with cloud environments (AWS, Azure, GCP) and their implications for frontend deployments.

📝 Enhancement Note: The required skills are directly derived from the job description's technical requirements, with an emphasis on modern frontend practices. Preferred skills add depth by suggesting additional areas of expertise that would make a candidate stand out, such as monorepo management and performance optimization, which are highly relevant for senior-level roles in complex projects.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Project Demonstrations: Showcase a portfolio of complex frontend applications developed using React.js, TypeScript, and ideally incorporating Micro Frontend architecture.

• Component Library Examples: Include examples of reusable component libraries or design system contributions, highlighting modularity and maintainability.

• API Integration Case Studies: Present case studies demonstrating successful integration with GraphQL or RESTful APIs, detailing data fetching strategies and state management approaches.

• Performance Optimization Showcase: Highlight projects where performance optimization was a key focus, detailing metrics and techniques used to improve load times or rendering efficiency.

• Micro Frontend Implementation: If applicable, provide examples or detailed explanations of Micro Frontend implementations, discussing the architectural decisions and benefits achieved.

Process Documentation:

• Workflow Design: Document the process followed for designing and developing new features, from requirements gathering to deployment.

• Testing Strategy: Outline the approach to testing, including unit, integration, and end-to-end testing strategies for React applications.

• Code Review Process: Detail the team's code review process, emphasizing collaboration, feedback mechanisms, and quality assurance steps.

• Deployment Pipeline: Describe the deployment process and tooling used for delivering frontend applications to production environments.

📝 Enhancement Note: For a Senior Engineer role, a portfolio is crucial. This section outlines what hiring managers would expect to see, focusing on complexity, architectural patterns (like Micro Frontends), and demonstrable impact. Process documentation requirements emphasize the candidate's understanding of development lifecycles and quality assurance.

💵 Compensation & Benefits

Salary Range: ₹15,00,000 - ₹25,00,000 per annum (Indicative Range for Senior React Engineers in Noida, India)

Benefits:

• Comprehensive Health Coverage: Includes medical insurance for employees and dependents, covering hospitalization and other health-related expenses.

• Financial Well-being Programs: Access to financial planning resources, potential for performance-based bonuses, and retirement savings plans.

• Professional Development: Opportunities for continuous learning, including access to training programs, workshops, certifications, and conferences.

• Work-Life Balance Initiatives: Policies and programs designed to support employee well-being, potentially including flexible working arrangements where feasible within the on-site context.

• Employee Assistance Programs: Support services for personal and professional challenges, promoting overall well-being.

• Performance Recognition: Formal and informal recognition programs for outstanding contributions and achievements.

Working Hours: Standard 40-hour work week, typically Monday to Friday, with potential for occasional overtime during critical project phases.

📝 Enhancement Note: The salary range is estimated based on industry benchmarks for Senior React Engineers with 5-10 years of experience in Noida, India, considering the company's IT services sector and the "Top Workplaces" recognition. The benefits listed are standard for reputable IT firms and align with the "world-class benefits" mentioned by the company.

🎯 Team & Company Context

🏢 Company Culture

Industry: Information Technology and Services, Software Development

Company Size: 4,300+ associates (as of provided data)

Founded: Iris Software was founded in 1991, indicating a long-standing presence and experience in the IT services industry.

Team Structure:

• Engineering Teams: Likely organized into agile squads or project teams, each focusing on specific client engagements or product areas.

• Cross-Functional Collaboration: Strong emphasis on collaboration between frontend engineers, backend engineers, UI/UX designers, QA testers, and project/product managers.

• Reporting Hierarchy: Senior Engineers typically report to a Tech Lead or Engineering Manager, contributing to architectural discussions and mentoring junior team members.

• Specialization: While this role is frontend-focused, engineers are often part of broader teams that handle end-to-end application development.

Methodology:

• Agile Development: Likely employs agile methodologies (Scrum, Kanban) for iterative development, rapid feedback, and continuous delivery.

• DevOps Practices: Embraces DevOps principles for efficient software delivery, including CI/CD, infrastructure as code, and automated testing.

• Data-Driven Decisions: Encourages the use of data and metrics to inform development decisions, performance tuning, and process improvements.

• Client-Centric Approach: Focuses on delivering value to enterprise clients through technology solutions tailored to their specific business needs.

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

📝 Enhancement Note: Company culture information is synthesized from the provided text, highlighting its "Top Workplace" status, focus on employee growth ("Build Your Future. Own Your Journey."), and its vision as a trusted technology partner. The IT industry context is standard for a company of this nature.

📈 Career & Growth Analysis

Operations Career Level: Senior Engineer - This level signifies a highly skilled individual contributor expected to take ownership of significant technical challenges, mentor junior engineers, and contribute to architectural decisions. The role requires deep expertise in React.js and a strong understanding of modern frontend architecture patterns.

Reporting Structure: Typically reports to a Technical Lead, Engineering Manager, or a Project Manager, with direct collaboration across various engineering disciplines and client stakeholders.

Operations Impact: As a Senior Engineer, the impact is substantial, influencing the technical direction of projects, the quality and scalability of frontend applications, and the efficiency of the development process. Contributions directly affect client satisfaction and the company's reputation for delivering high-value, complex applications.

Growth Opportunities:

• Technical Leadership: Path towards becoming a Tech Lead, Principal Engineer, or Architect, guiding technical strategy and complex problem-solving.

• Management Track: Opportunity to transition into Engineering Management, leading teams and focusing on people development and project delivery.

• Specialization: Deepen expertise in specific areas like Micro Frontend architecture, performance engineering, or advanced state management.

• Client Engagement: Potential to work more closely with clients on technical strategy and solution design.

• Mentorship: Formal or informal mentorship roles, guiding and developing junior engineers.

📝 Enhancement Note: The "Operations Career Level" is interpreted as "Engineering Career Level" given the role's nature. The analysis focuses on the typical progression and impact of a Senior Engineer in a company like Iris Software, emphasizing technical leadership and contribution to client success.

🌐 Work Environment

Office Type: The role is specified as "On-site," indicating a traditional office-based work environment within Iris Software's facilities in Noida. This suggests a collaborative atmosphere conducive to in-person team interactions, brainstorming sessions, and direct mentorship.

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

Workspace Context:

• Collaborative Spaces: The office environment likely includes meeting rooms, breakout areas, and open-plan workspaces designed to foster communication and teamwork among engineers.

• Technology Infrastructure: Access to modern development hardware, high-speed internet, and necessary software licenses for development tools and platforms.

• Team Interaction: Regular opportunities for face-to-face interaction with colleagues, including team stand-ups, planning sessions, and informal discussions that can accelerate problem-solving and knowledge sharing.

• Professional Atmosphere: A work environment that values innovation, technical excellence, and professional growth, aligned with Iris Software's "Top Workplace" status.

Work Schedule: The standard working hours are likely aligned with Indian business hours (e.g., 9:00 AM to 6:00 PM IST), with the expectation of flexibility to meet project deadlines, common in the IT services industry.

📝 Enhancement Note: Based on the "On-site" designation and the company's profile, this section infers the typical aspects of a modern IT office environment in a major Indian tech hub.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will review your application and resume, focusing on your React.js expertise, experience with TypeScript, and familiarity with Micro Frontend architecture.

• Technical Assessment: Expect a coding challenge or a technical interview focused on core React concepts, JavaScript, TypeScript, and potentially a live coding session or architecture discussion. This may involve solving problems related to state management, component design, or API integration.

• System Design/Architecture Interview: For a Senior Engineer role, a dedicated session to discuss your approach to designing scalable, maintainable frontend systems, including your experience with Micro Frontend strategies and API-driven development. Be prepared to elaborate on trade-offs and best practices.

• Behavioral Interview: Questions focused on your collaboration skills, problem-solving approach, leadership potential, and how you handle challenging situations, aligning with Iris Software's culture.

• Final Interview: A discussion with a senior leader or hiring manager to assess overall fit, career aspirations, and confirm alignment with the role and company vision.

Portfolio Review Tips:

• Curate Select Projects: Choose 2-3 of your most impactful projects that best showcase your React.js, TypeScript, and Micro Frontend skills.

• Highlight Your Role: Clearly articulate your specific contributions, responsibilities, and technical decisions within each project.

• Showcase Architectural Patterns: If possible, demonstrate projects where you implemented or contributed to Micro Frontend architecture, explaining the rationale and benefits.

• Quantify Impact: Use metrics where possible to demonstrate the success of your work (e.g., performance improvements, reduction in bugs, increased development velocity).

• Code Snippets & Demos: Be ready to share relevant code snippets (if permissible) or provide live demos of your work during the interview.

Challenge Preparation:

• Practice Core Concepts: Thoroughly review React.js fundamentals, hooks, state management patterns, and modern JavaScript.

• Micro Frontend Deep Dive: Understand the principles of Micro Frontend architecture, including module federation, routing strategies, and communication patterns between micro-apps.

• API Design: Prepare to discuss API integration strategies, particularly with GraphQL.

• Problem-Solving Scenarios: Practice breaking down complex problems into smaller, manageable parts and articulating your thought process clearly.

📝 Enhancement Note: This section provides actionable advice tailored to a Senior React Engineer role, preparing candidates for common interview stages and portfolio review expectations in the IT services industry. It emphasizes the importance of demonstrating architectural thinking and practical application of advanced frontend concepts.

🛠 Tools & Technology Stack

Primary Tools:

• React.js: The core framework for building user interfaces.

• TypeScript: For static typing and enhanced code quality.

• JavaScript (ES6+): Modern JavaScript features and best practices.

• GraphQL: For efficient API data fetching and management.

• RESTful APIs: Experience with consuming and interacting with REST services.

• Jest & React Testing Library: For unit and integration testing.

• Styled-Components / CSS-in-JS: For component-level styling.

• HTML5 / CSS3: Foundational web technologies.

Analytics & Reporting:

• Browser Developer Tools: Essential for debugging and performance analysis.

• Performance Monitoring Tools: (e.g., Lighthouse, WebPageTest) for identifying and resolving performance bottlenecks.

• Analytics Platforms: (e.g., Google Analytics, Adobe Analytics) for tracking user behavior and application usage (knowledge is beneficial).

CRM & Automation:

• Version Control Systems: Git is standard, with platforms like GitHub, GitLab, or Bitbucket.

• Package Managers: npm, Yarn (especially Yarn Workspaces for monorepos).

• Build Tools: Webpack, Vite, or similar module bundlers.

• CI/CD Tools: Jenkins, GitLab CI, GitHub Actions (familiarity is a plus).

📝 Enhancement Note: This section lists the technologies explicitly mentioned in the job description and infers commonly associated tools and platforms for a Senior Frontend Engineer working in a modern development environment. It highlights the need for proficiency in both core libraries and supporting development tools.

👥 Team Culture & Values

Operations Values: (Interpreted as Engineering/Company Values)

• Client Centricity: A strong focus on understanding and meeting client needs, delivering high-quality technology solutions that drive business value.

• Innovation & Excellence: Encouraging creative problem-solving and striving for technical excellence in all aspects of development.

• Collaboration & Teamwork: Fostering a supportive environment where team members work together, share knowledge, and help each other succeed.

• Continuous Learning: Valuing professional growth, encouraging employees to stay updated with the latest technologies and best practices.

• Ownership & Accountability: Empowering individuals to take responsibility for their work and drive projects to successful completion.

Collaboration Style:

• Agile & Iterative: Working in agile teams, emphasizing frequent communication, feedback loops, and adaptability.

• Cross-Functional Integration: Close collaboration with backend, QA, UI/UX, and product teams to ensure seamless integration and a holistic product approach.

• Knowledge Sharing: Encouraging open communication, pair programming, code reviews, and internal tech talks to disseminate knowledge and best practices.

• Constructive Feedback: A culture that values honest, constructive feedback to drive continuous improvement in code quality and processes.

📝 Enhancement Note: Values are inferred from Iris Software's self-description as a "Top Workplace" and a "trusted technology partner," emphasizing growth, talent, and client success. Collaboration style is typical for modern agile engineering teams.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Application Development: Working with large-scale, mission-critical applications that require robust architecture and efficient performance.

• Micro Frontend Integration: Navigating the complexities of integrating multiple micro frontends, ensuring consistency, communication, and maintainability across distributed UIs.

• API Performance & Scalability: Optimizing frontend interactions with backend APIs to ensure fast load times and scalability under heavy user loads.

• Keeping Pace with Technology: Continuously learning and adapting to the rapidly evolving frontend ecosystem, including new libraries, frameworks, and best practices.

• Cross-Team Dependencies: Managing dependencies and communication effectively between frontend teams and backend/infrastructure teams.

Learning & Development Opportunities:

• Advanced React & TypeScript: Deepening expertise in advanced React patterns, performance optimization techniques, and complex TypeScript use cases.

• Micro Frontend Architecture Mastery: Gaining in-depth knowledge and practical experience in designing and implementing sophisticated Micro Frontend solutions.

• Cloud & DevOps Integration: Understanding how frontend applications are deployed, monitored, and managed in cloud environments.

• Technical Leadership & Mentorship: Developing skills in leading technical initiatives, mentoring junior engineers, and contributing to architectural strategy.

• Industry Conferences & Certifications: Opportunities to attend relevant tech conferences and pursue professional certifications to enhance skills and knowledge.

📝 Enhancement Note: Challenges are framed around the technical complexities inherent in the role (Micro Frontends, complex applications) and the dynamic nature of frontend development. Growth opportunities are aligned with career progression paths for senior engineers.

💡 Interview Preparation

Strategy Questions:

• Architectural Design: "Describe a complex frontend architecture you've designed or significantly contributed to. What were the key challenges, and how did you address them, particularly regarding Micro Frontends or API integration?"

• Problem-Solving Scenarios: "Imagine a critical performance issue where users are experiencing slow load times on a key page. Walk me through your diagnostic process and the steps you would take to resolve it."

• Technology Trade-offs: "When would you choose to implement a Micro Frontend architecture versus a monolithic frontend for a new application? What are the key considerations?"

Company & Culture Questions:

• Iris's Values: "How do your personal values align with Iris Software's focus on client partnerships, innovation, and employee growth?"

• Team Collaboration: "Describe a time you had to collaborate with a challenging team member or resolve a technical disagreement. What was your approach?"

• Impact & Contribution: "How do you measure the impact of your work as a Senior Engineer, and how have you contributed to improving team processes or code quality in previous roles?"

Portfolio Presentation Strategy:

• Storytelling Approach: For each portfolio project, frame it as a story: the problem, your solution, the technologies used, your specific role, and the successful outcome.

• Focus on Architecture: Emphasize architectural decisions, especially concerning Micro Frontends, state management, and API design.

• Demonstrate Technical Depth: Be prepared to dive into code specifics, explain complex logic, and discuss trade-offs made during development.

• Highlight Collaboration: Show how you worked with designers, backend engineers, and other stakeholders.

• Quantify Results: Present metrics on performance, scalability, or efficiency gained through your contributions.

📝 Enhancement Note: Interview questions are designed to probe the candidate's technical depth, architectural thinking, problem-solving skills, and cultural fit, reflecting the expectations for a Senior Engineer role. The portfolio presentation strategy provides concrete guidance on how to best showcase relevant experience.

📌 Application Steps

To apply for this Senior React Engineer position:

• Submit Your Application: Navigate to the Iris Software careers portal and submit your resume and any required supplementary documents through the provided link.

• Tailor Your Resume: Ensure your resume clearly highlights your expertise in React.js, TypeScript, GraphQL, and any experience with Micro Frontend architecture. Quantify achievements and leadership contributions where possible.

• Prepare Your Portfolio: Curate your most relevant projects that demonstrate your skills in complex UI development, API integration, and architectural design. Be ready to discuss these in detail.

• Research Iris Software: Familiarize yourself with Iris Software's company culture, values, client focus, and recent projects to articulate your interest and fit effectively.

• Practice Technical Concepts: Revisit core React, JavaScript, TypeScript, and Micro Frontend concepts. Practice coding challenges and be prepared to discuss architectural trade-offs and problem-solving strategies.

⚠️ 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.