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: May 16, 2026

Experience Level: Senior (5-10 years estimated)

Remote Status: On-site

🚀 Role Summary

• Develop and maintain complex, mission-critical user interfaces using React.js and TypeScript, adhering to modern JavaScript best practices.

• Architect and implement reusable UI components, manage application state effectively, and integrate with APIs to deliver dynamic user experiences.

• Drive innovation in frontend architecture by leveraging Micro Frontend principles, module federation, and distributed UI design patterns.

• Collaborate closely with cross-functional teams, including backend engineers, product managers, and designers, to ensure seamless integration and delivery of features.

• Contribute to a culture of technical excellence through rigorous code reviews, robust testing strategies using Jest and React Testing Library, and proactive problem-solving.

📝 Enhancement Note: The provided job description is for a "UI React - Senior Engineer." My enhancement focuses on transforming this into a detailed operations-aligned job description. Since this is a core engineering role and not directly in Revenue Operations, Sales Operations, or GTM Operations, I've framed the responsibilities and qualifications through the lens of how frontend development directly impacts GTM efficiency, data accessibility, and user experience for internal sales/marketing tools or customer-facing platforms that drive revenue. The "Senior Engineer" title implies a need for architectural thinking, mentorship, and strategic input, which are critical in operations contexts for scalable solutions.

📈 Primary Responsibilities

• Design, develop, and deploy high-performance, scalable, and maintainable frontend applications using React.js and TypeScript, with a strong emphasis on code quality and reusability.

• Implement API-driven UI development, consuming data from GraphQL and RESTful services to create responsive and interactive user experiences.

• Architect and implement a Micro Frontend strategy, leveraging module federation and distributed UI patterns to enable independent development and deployment of frontend modules.

• Develop and maintain a comprehensive design system, including reusable components, styled-components, and design tokens, ensuring brand consistency and accelerating development cycles.

• Write comprehensive unit and integration tests using Jest and React Testing Library to ensure application stability, reliability, and adherence to quality standards.

• Optimize application performance for speed and scalability, focusing on efficient state management (e.g., Redux, Context API), component rendering, and asset loading.

• Collaborate with backend teams to define API contracts and ensure seamless data flow between frontend and backend services.

• Participate actively in code reviews, providing constructive feedback to peers and junior engineers to maintain code quality and foster knowledge sharing.

• Troubleshoot and debug complex issues across different environments, utilizing strong debugging skills and a systematic approach to problem resolution.

• Work within monorepo/Yarn workspace environments, managing dependencies and build processes efficiently.

📝 Enhancement Note: I've expanded upon the provided "Job Description" points to detail specific engineering tasks, emphasizing architectural considerations (Micro Frontend, module federation), testing methodologies, and performance optimization, which are crucial for senior-level roles and directly impact the efficiency of GTM operations that rely on user-facing applications.

🎓 Skills & Qualifications

Education:

Experience:

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

• Proven experience in designing and implementing complex, large-scale frontend applications.

Required Skills:

• React.js Expertise: Deep understanding of React core principles, hooks, state management (e.g., Redux, Context API), and component lifecycle.

• TypeScript Proficiency: Strong command of TypeScript for building robust and maintainable JavaScript applications.

• Modern JavaScript: Comprehensive knowledge of modern JavaScript features and best practices.

• API Integration: Hands-on experience with GraphQL and building API-driven UIs.

• Micro Frontend Architecture: Strong understanding and practical experience with Micro Frontend concepts, module federation, and distributed UI design.

• Testing Frameworks: Proficiency in Jest and React Testing Library for comprehensive unit and integration testing.

• Styling & Design Systems: Experience with styled-components and building/maintaining design systems.

• Monorepo Management: Familiarity with monorepo structures and tools like Yarn Workspaces.

• Debugging & Code Review: Excellent debugging skills and a strong aptitude for code review practices.

• Communication & Collaboration: Proven ability to communicate technical concepts clearly and collaborate effectively within a team environment.

Preferred Skills:

• Experience with Next.js or other React frameworks.

• Familiarity with CI/CD pipelines for frontend applications.

• Knowledge of performance optimization techniques for web applications.

• Experience with cloud platforms (AWS, Azure, GCP) and related frontend deployment strategies.

• Understanding of accessibility standards (WCAG) and implementation.

📝 Enhancement Note: I've structured the skills and qualifications to clearly delineate required and preferred competencies. The "Mandatory Competencies" from the input have been integrated here, with specific emphasis on React.js, TypeScript, GraphQL, and Micro Frontend architecture, aligning with senior-level expectations. The "5-10 years" estimate for experience level is based on the "Senior Engineer" title.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Case Studies of Complex UI Development: Showcase projects where you architected and built sophisticated frontend applications, detailing the challenges, your approach, and the outcomes.

• Micro Frontend Implementation Examples: Provide evidence of experience with Micro Frontend architecture, module federation, or distributed UI design, explaining the benefits and trade-offs.

• Reusable Component Library/Design System: Present examples of component libraries or design systems you have contributed to or led, demonstrating adherence to design principles and reusability.

• Performance Optimization Projects: Detail instances where you identified and resolved performance bottlenecks in React applications, quantifying the improvements achieved (e.g., load times, rendering speed).

• Testing Strategy Demonstration: Include examples of your testing approach, showcasing how you've used Jest and React Testing Library to ensure code quality and application stability.

Process Documentation:

• Workflow Design & Optimization: Document your approach to designing efficient frontend development workflows, from initial concept to deployment, emphasizing collaboration and feedback loops.

• Implementation & Automation: Detail how you've implemented and automated frontend build processes, testing, and deployment pipelines, particularly within monorepo environments.

• Measurement & Performance Analysis: Demonstrate how you track and analyze frontend performance metrics, user engagement, and the impact of UI changes on business objectives.

📝 Enhancement Note: This section is crafted to guide candidates on what kind of evidence to prepare for a senior engineering role, particularly focusing on their ability to architect, optimize, and manage complex frontend systems, which directly supports the operational efficiency of GTM functions and product delivery.

💵 Compensation & Benefits

Salary Range:

• Estimated Range: ₹15,00,000 - ₹25,00,000 per annum (INR)

• Explanation: This range is an estimate based on industry benchmarks for Senior React Engineers in Noida, India, with 5-10 years of experience in IT services companies. Factors influencing the specific offer will include the candidate's exact experience, demonstrated skills, interview performance, and the company's compensation structure.

Benefits:

• World-Class Benefits: Iris offers comprehensive benefits designed for personalized employee experiences, supporting financial, health, and well-being needs.

• Holistic Growth: Benefits are structured to foster both professional and personal growth.

• Specific Examples (Based on typical offerings):

  • Health Insurance (Medical, Dental, Vision)
  • Life Insurance
  • Paid Time Off (Vacation, Sick Leave, Public Holidays)
  • Retirement Savings Plans (e.g., Provident Fund)
  • Professional Development & Training Opportunities
  • Performance-Based Bonuses

Working Hours:

• Standard working hours are typically 40 hours per week, reflecting a full-time commitment.

• There may be flexibility depending on project needs and team collaboration, with potential for occasional overtime during critical project phases.

📝 Enhancement Note: I've researched typical salary ranges for Senior React Engineers in Noida, India, to provide a realistic estimate. The benefits listed are generalized but align with the "world-class benefits" mentioned in the job description and are relevant to attracting and retaining senior technical talent.

🎯 Team & Company Context

🏢 Company Culture

Industry: IT Services & Consulting, focusing on Technology-Enabled Transformation.

Company Size: Over 4,300 associates globally, indicating a large and established organization with significant project capacity and diverse opportunities.

Founded: Iris Software is a well-established IT services company, suggesting a mature organizational structure, established processes, and a track record of client delivery.

Team Structure:

• Frontend Engineering Team: Likely composed of engineers specializing in various frontend technologies, including React.js.

• Cross-Functional Teams: Engineers will work within project-specific teams that include backend developers, QA engineers, DevOps specialists, project managers, and business analysts.

• Reporting Structure: Senior Engineers typically report to a Tech Lead, Engineering Manager, or Architect, and may mentor junior team members.

Methodology:

• Agile Development: Iris likely employs Agile methodologies (Scrum, Kanban) for project management, emphasizing iterative development, collaboration, and rapid feedback.

• DevOps Practices: Integration of development and operations practices is expected, focusing on automation, CI/CD, and efficient deployment pipelines.

• Data-Driven Decision Making: While primarily an engineering role, understanding how frontend development impacts user data and business metrics is crucial, aligning with operations principles.

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

📝 Enhancement Note: This section uses the provided company description to infer aspects of Iris Software's culture, team dynamics, and operational methodologies, framing them in a way that highlights opportunities for a senior engineer to contribute to impactful projects and grow within a structured yet dynamic environment.

📈 Career & Growth Analysis

Operations Career Level: Senior Engineer - This role represents a significant level of technical expertise and responsibility. It involves not just coding but also architectural input, technical leadership, and mentoring. In an operations context, this translates to building foundational systems and driving efficiency through technology.

Reporting Structure: Typically reports to a Technical Lead or Engineering Manager. May also work closely with Product Managers and Architects. Expected to provide technical guidance to junior engineers.

Operations Impact: As a Senior UI Engineer, your work directly impacts the usability, efficiency, and adoption of applications used by internal teams (e.g., sales enablement tools, data dashboards) or external customers. High-quality, performant UIs are critical for driving user adoption, reducing training overhead, and ensuring smooth GTM operations.

Growth Opportunities:

• Technical Specialization: Deepen expertise in React, Micro Frontend architecture, performance optimization, or explore adjacent areas like backend development or cloud architecture.

• Leadership Roles: Transition into roles such as Tech Lead, Architect, or Engineering Manager, leading teams and driving technical strategy.

• Cross-Functional Exposure: Gain exposure to different business domains (Financial Services, Healthcare, Transportation) and work on diverse, complex projects.

• Mentorship: Opportunity to mentor junior engineers, developing leadership and coaching skills.

• Continuous Learning: Access to training programs, certifications, and opportunities to work with cutting-edge technologies.

📝 Enhancement Note: This analysis translates the "Senior Engineer" title into operational impact and career growth potential, emphasizing how technical contributions can drive business outcomes and how the role serves as a stepping stone for further advancement within a large IT services firm.

🌐 Work Environment

Office Type: Iris Software is described as "India's Top 25 Best Workplaces in IT industry" and has a culture that "truly values your talent and ambitions," suggesting a professional, collaborative, and employee-centric office environment.

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

Workspace Context:

• Collaborative Spaces: The office likely features modern collaborative spaces designed to foster teamwork and innovation, crucial for complex engineering projects.

• Technology & Tools: Access to up-to-date hardware, software, and development tools necessary for senior-level engineering tasks.

• Team Interaction: Opportunities for regular interaction with peers, leads, and cross-functional stakeholders, facilitating knowledge sharing and problem-solving.

Work Schedule: The standard 40-hour work week is likely supplemented by a focus on project delivery and team collaboration, typical in the IT services industry. Flexibility may be offered, but on-site presence is expected.

📝 Enhancement Note: Based on the company's accolades and description, I've inferred the likely characteristics of the work environment, focusing on aspects relevant to a senior engineer's daily experience, collaboration, and access to resources.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Interview(s): In-depth technical discussions covering React.js, JavaScript, TypeScript, state management, API integration, and potentially system design or architectural challenges.

• Coding Assessment: A practical coding exercise (live coding or take-home assignment) to evaluate problem-solving skills and coding proficiency.

• Micro Frontend/System Design Discussion: A session focused on architectural thinking, Micro Frontend strategies, and how to design scalable, maintainable systems.

• Hiring Manager/Team Lead Interview: Focus on team fit, leadership potential, communication skills, and alignment with company values.

• Final Round: May involve senior leadership or a panel interview for final approval.

Portfolio Review Tips:

• Highlight Impact: For each project in your portfolio, clearly articulate the business problem, your specific role and contributions, the technologies used, and the quantifiable impact or outcomes achieved.

• Showcase Architecture: Emphasize your architectural decisions, especially concerning Micro Frontend design, component reusability, and state management strategies.

• Demonstrate Testing Rigor: Include examples of your testing approach and the effectiveness of your test suites (Jest, React Testing Library).

• Explain Trade-offs: Be prepared to discuss the trade-offs you made during development (e.g., performance vs. features, complexity vs. maintainability) and justify your choices.

• Organize for Clarity: Ensure your portfolio is well-organized, easy to navigate, and clearly presents your best work relevant to the job description.

Challenge Preparation:

• System Design: Practice designing complex frontend architectures, including how to handle scalability, performance, and maintainability. Focus on Micro Frontend patterns and module federation.

• Problem-Solving: Be ready to tackle algorithmic challenges and practical coding problems that test your understanding of JavaScript, React, and data structures.

• Behavioral Questions: Prepare examples using the STAR method (Situation, Task, Action, Result) to answer questions about teamwork, problem-solving, leadership, and handling challenging situations.

• Company Research: Understand Iris Software's business, clients, and culture to tailor your responses and show genuine interest.

📝 Enhancement Note: This outlines a typical, rigorous interview process for a senior engineering role, with specific advice on preparing a portfolio and handling technical challenges that are relevant to advanced frontend development and architectural thinking.

🛠 Tools & Technology Stack

Primary Tools:

• React.js: Core library for building user interfaces.

• TypeScript: For static typing and enhanced code quality.

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

• GraphQL: For efficient data fetching and API interaction.

• Styled-Components: For component-level styling.

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

• Monorepo Tools (e.g., Yarn Workspaces, Lerna): For managing multiple packages within a single repository.

• Version Control: Git (e.g., GitHub, GitLab, Bitbucket).

Analytics & Reporting:

• Web Analytics Tools (e.g., Google Analytics, Adobe Analytics): To track user behavior and application performance.

• Performance Monitoring Tools (e.g., Lighthouse, WebPageTest, Sentry): For identifying and resolving performance issues and errors.

• Dashboarding Tools: Potentially used to visualize key frontend metrics.

CRM & Automation:

• While not directly managing CRM systems, understanding how frontend applications integrate with backend CRM data or support GTM workflows is beneficial.

• CI/CD Tools (e.g., Jenkins, GitLab CI, GitHub Actions): For automating build, test, and deployment processes.

📝 Enhancement Note: This section details the specific technologies and tools a Senior UI React Engineer would be expected to work with, covering the entire development lifecycle from coding and testing to deployment and performance monitoring.

👥 Team Culture & Values

Operations Values:

• Technical Excellence: A commitment to writing high-quality, maintainable, and performant code.

• Collaboration & Teamwork: Valuing open communication, shared ownership, and mutual support within the engineering team and with cross-functional stakeholders.

• Continuous Improvement: A drive to constantly learn, adapt to new technologies, and optimize processes and applications.

• Client Focus: Understanding that engineering efforts ultimately serve client needs and contribute to business success.

• Innovation: Encouraging new ideas and approaches to solve complex technical challenges.

Collaboration Style:

• Agile & Iterative: Working in sprints, with regular stand-ups, sprint reviews, and retrospectives to ensure alignment and continuous feedback.

• Cross-Functional Partnership: Close collaboration with Product Managers, Backend Engineers, QA, and DevOps to deliver integrated solutions.

• Knowledge Sharing: Actively participating in code reviews, tech talks, and documentation to share expertise and best practices.

• Mentorship: A culture where senior members guide and support the growth of junior team members.

📝 Enhancement Note: Based on Iris Software's description as a top workplace and growing company, I've inferred likely cultural values and collaboration styles that would appeal to and be expected of a senior engineer.

⚡ Challenges & Growth Opportunities

Challenges:

• Scaling Micro Frontend Architecture: Designing and implementing a robust, scalable, and maintainable Micro Frontend architecture that supports multiple independent teams and applications.

• Performance Optimization: Ensuring applications remain performant as they grow in complexity and feature set, especially in a distributed environment.

• Cross-Team Dependencies: Managing dependencies and communication effectively across multiple frontend and backend teams to avoid integration issues and delays.

• Keeping Pace with Technology: Staying current with the rapidly evolving frontend ecosystem and evaluating new tools and frameworks for adoption.

• Mentoring and Leadership: Balancing hands-on development with the responsibilities of mentoring junior engineers and influencing technical direction.

Learning & Development Opportunities:

• Advanced Training: Access to specialized training in areas like advanced React patterns, Micro Frontend frameworks, performance tuning, and cloud-native development.

• Industry Conferences & Certifications: Opportunities to attend relevant industry events and pursue professional certifications.

• Mentorship Programs: Formal or informal mentorship from senior leaders within Iris Software to guide career progression.

• Exposure to Diverse Projects: Working on varied projects across different industries (financial services, healthcare, etc.) provides broad experience.

📝 Enhancement Note: This section addresses potential challenges inherent in a senior role and within the specified technologies, while also highlighting structured opportunities for professional development and career advancement within Iris Software.

💡 Interview Preparation

Strategy Questions:

• "Describe your experience architecting a Micro Frontend system. What were the key challenges, and how did you overcome them?" (Focus on module federation, communication between services, and shared libraries.)

• "Walk us through a complex React component you built. Explain your state management strategy, why you chose specific hooks, and how you ensured reusability." (Prepare a specific example from your portfolio.)

• "How do you approach performance optimization in a large-scale React application? Provide specific techniques you've used." (Discuss lazy loading, code splitting, memoization, virtualized lists, etc.)

Company & Culture Questions:

• "Why are you interested in Iris Software and this specific role?" (Research Iris's values, projects, and the "Top 25 Best Workplaces" accolade.)

• "Describe a time you disagreed with a technical decision. How did you handle it?" (Demonstrate collaborative problem-solving and constructive communication.)

Portfolio Presentation Strategy:

• Structure: Organize your presentation around 2-3 key projects that best showcase your senior-level skills in React, TypeScript, and Micro Frontend architecture.

• Narrative: For each project, tell a story: the problem, your solution (emphasizing architectural choices), the technologies used, and the measurable impact.

• Technical Depth: Be ready to dive deep into technical details, explain design patterns, and justify your architectural decisions.

• Visuals: Use diagrams (e.g., architecture diagrams, component trees) to illustrate complex concepts.

• Conciseness: Respect the allocated time and focus on the most impactful aspects of your work.

📝 Enhancement Note: This provides targeted preparation advice for common interview questions at a senior engineering level, emphasizing technical depth, architectural thinking, and aligning with company culture, especially for a firm recognized as a top employer.

📌 Application Steps

To apply for this Senior UI React Engineer position:

• Visit the Iris Software careers page and submit your application through the provided link.

• Portfolio Customization: Tailor your resume and portfolio to highlight your expertise in React.js, TypeScript, GraphQL, Micro Frontend architecture, and experience with Jest/React Testing Library. Prepare 2-3 detailed case studies of your most impactful projects.

• Resume Optimization: Ensure your resume clearly states your years of experience, technical skills, and achievements using keywords from the job description (e.g., React.js, TypeScript, Micro Frontend, GraphQL, Jest). Quantify your accomplishments wherever possible.

• Interview Preparation: Practice answering technical and behavioral questions, focusing on system design and Micro Frontend challenges. Prepare a concise presentation of your portfolio highlights.

• Company Research: Familiarize yourself with Iris Software's mission, values, client portfolio, and recent achievements 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.