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: 2026-05-16

Experience Level: Senior (5-10 years)

Remote Status: On-site

🚀 Role Summary

• Develop and maintain high-value, complex front-end applications utilizing React.js and TypeScript.

• Architect and implement reusable components, manage state effectively, and integrate APIs for dynamic UI development.

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

• Ensure robust application quality through comprehensive testing with Jest and React Testing Library.

• Collaborate within a monorepo environment, contributing to code reviews and efficient debugging processes.

📝 Enhancement Note: This role is specifically for a Senior Frontend Engineer with a strong emphasis on React.js development and modern architectural patterns like Micro Frontends. The "UI React - Senior Engineer" title, combined with detailed requirements around React.js, TypeScript, GraphQL, Micro Frontend architecture, and monorepo environments, clearly positions this as a specialized frontend engineering role within a technology-focused organization. The inclusion of "Iris Software" as the company, known for its IT services and technology transformation, further solidifies this interpretation.

📈 Primary Responsibilities

• Design, develop, and implement sophisticated user interfaces using React.js and TypeScript, ensuring high performance and responsiveness.

• Build and maintain a library of reusable UI components, adhering to design system principles and best practices.

• Implement state management solutions (e.g., Redux) and efficient routing within React applications.

• Integrate with backend services via GraphQL APIs to deliver data-driven UI experiences.

• Architect and implement Micro Frontend solutions, utilizing module federation for distributed UI development and independent deployments.

• Write comprehensive unit and integration tests using Jest and React Testing Library to ensure code quality and application stability.

• Participate actively in code reviews, providing constructive feedback to peers and maintaining high code standards.

• Debug and troubleshoot complex frontend issues within monorepo (Yarn Workspace) environments.

• Collaborate with cross-functional teams, including backend engineers, product managers, and designers, to translate requirements into functional UI components.

• Stay abreast of emerging frontend technologies and industry best practices, advocating for their adoption where beneficial.

📝 Enhancement Note: The primary responsibilities have been expanded to detail the typical tasks of a Senior Frontend Engineer in a React environment, incorporating specific technologies mentioned in the raw data (GraphQL, Micro Frontend, Jest, etc.) and common frontend development workflows.

🎓 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. Equivalent practical experience will also be considered.

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

Required Skills:

• Deep expertise in React.js, including modern features like Hooks, Context API, and performance optimization techniques.

• Proficient in TypeScript for building robust and maintainable JavaScript applications.

• Strong command of modern JavaScript (ES6+).

• Hands-on experience with GraphQL and designing/consuming APIs for UI development.

• Solid understanding and practical experience with Micro Frontend architecture, module federation, and distributed UI patterns.

• Experience with state management libraries such as Redux.

• Proficiency in frontend testing frameworks like Jest and React Testing Library.

• Experience working within monorepo structures (e.g., Yarn Workspaces).

• Strong understanding of HTML5 and CSS3, including preprocessors and responsive design principles.

• Excellent debugging and problem-solving skills.

Preferred Skills:

• Experience with styled-components or other CSS-in-JS solutions.

• Familiarity with design system implementation and maintenance.

• Experience with CI/CD pipelines for frontend applications.

• Knowledge of performance monitoring tools and techniques.

• Familiarity with other JavaScript frameworks or libraries.

📝 Enhancement Note: The skills section has been structured to differentiate between required and preferred skills, drawing directly from the "Job Description" and "Mandatory Competencies" sections of the provided data. The experience level "5-10" has been translated into a stated experience range. Educational requirements have been inferred based on industry standards for a senior role.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase of complex React.js applications demonstrating proficiency in component architecture, state management, and API integration.

• Examples of projects that utilize TypeScript and modern JavaScript features.

• Demonstrations of experience with GraphQL, ideally including API-driven UI development.

• Case studies or project descriptions highlighting work with Micro Frontend architecture and module federation.

• Evidence of testing methodologies, such as projects utilizing Jest and React Testing Library.

Process Documentation:

• For each portfolio project, provide a brief overview of the development process, including:
  • Problem Statement: The challenge or goal the project aimed to address.
  • Technical Approach: Key technologies and architectural decisions made (e.g., choice of state management, Micro Frontend strategy).
  • Key Contributions: Specific features or modules developed, highlighting personal impact.
  • Challenges & Solutions: Obstacles encountered and how they were overcome, particularly those related to architecture, performance, or testing.
  • Outcomes/Learnings: Quantifiable results (if possible) and lessons learned.

📝 Enhancement Note: This section is tailored to a senior engineering role, emphasizing the need for a portfolio that demonstrates architectural thinking, complex problem-solving, and proficiency in modern frontend development patterns like Micro Frontends. The focus is on showcasing not just the final product but the thought process and technical decisions behind it.

💵 Compensation & Benefits

Salary Range: Based on the role of Senior UI React Engineer in Noida, India, with an estimated experience of 5-10 years, the typical salary range would be ₹15,00,000 to ₹25,00,000 per annum. This estimate considers the cost of living in Noida, industry demand for skilled frontend engineers, and the company's positioning as a growing IT services firm.

Benefits:

• World-class benefits designed for a personalized employee experience, supporting financial, health, and well-being needs.

• Opportunities for professional and personal growth.

• Access to cutting-edge projects and the latest technologies.

• Personalized career development plans and continuous learning opportunities.

• Mentorship programs to foster growth and skill enhancement.

• Award-winning company culture that values talent and ambition.

• Potential for involvement in technology-enabled transformation initiatives across various enterprise sectors.

Working Hours: The standard working hours are likely 40 hours per week, typical for a full-time role in the IT industry in India. While specific flexibility is not detailed, the company culture emphasizes ownership and career shaping, suggesting potential for adaptable work arrangements within project needs.

📝 Enhancement Note: A regional salary range for Noida, India, has been estimated for a Senior Engineer role with 5-10 years of experience. The benefits are aggregated from the "Perks and Benefits for Irisians" section and general company descriptions, enhanced with context relevant to senior engineering roles. Working hours are inferred as standard for a full-time position.

🎯 Team & Company Context

🏢 Company Culture

Industry: IT Services & Consulting, focusing on technology-enabled transformation across Financial Services, Healthcare, Transportation & Logistics, and Professional Services. Iris Software is recognized as one of India's Top 25 Best Workplaces in the IT industry.

Company Size: Over 4,300 associates across India, USA, and Canada. This signifies a large, established organization with global reach, offering stability and diverse project opportunities.

Founded: Founded with a vision to be a trusted technology partner and a preferred employer, Iris Software has grown significantly, indicating a dynamic and forward-thinking environment.

Team Structure:

• The operations team likely consists of specialized engineering groups focused on specific technologies and service lines (e.g., Application & Product Engineering, Data & Analytics, Cloud, DevOps, Quality Engineering).

• Reporting structures would typically involve team leads, engineering managers, and potentially architects overseeing technical direction.

Methodology:

• Data Analysis & Insights: Emphasis on leveraging data to drive decisions and improve application performance.

• Workflow Planning & Optimization: Continuous improvement of development processes to enhance efficiency and delivery speed.

• Automation & Efficiency: Adoption of tools and practices for automating repetitive tasks, facilitating DevOps, and streamlining operations (e.g., CI/CD, MLOps).

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

📝 Enhancement Note: Company culture details are synthesized from the provided text, highlighting its accolades, size, and stated vision. The team structure and methodology sections infer typical operations within a large IT services company, focusing on engineering practices relevant to a Senior UI React Engineer.

📈 Career & Growth Analysis

Operations Career Level: This role is at a Senior Engineer level, indicating a position of significant technical responsibility and a need for independent work. Senior engineers are expected to mentor junior team members, contribute to architectural decisions, and drive technical excellence within their domain.

Reporting Structure: The Senior UI React Engineer will likely report to an Engineering Manager or a Lead Architect, depending on the specific project or department structure within Iris Software. They will also collaborate closely with Product Managers and other cross-functional stakeholders.

Operations Impact: As a Senior Engineer, the individual will directly impact the quality, performance, and user experience of client-facing applications. Their expertise in React, Micro Frontends, and API integrations will be crucial for building scalable, maintainable, and cutting-edge solutions that drive client success and contribute to Iris Software's reputation as a technology leader.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific frontend technologies, architectural patterns (e.g., advanced Micro Frontend strategies), or performance optimization.

• Leadership Development: Opportunities to lead feature development, mentor junior engineers, and potentially transition into Tech Lead or Architect roles.

• Cross-Functional Exposure: Gain experience in different project domains (e.g., financial services, healthcare) and collaborate with diverse teams, broadening technical and business acumen.

• Continuous Learning: Access to training, workshops, and resources to stay current with evolving frontend technologies and methodologies.

📝 Enhancement Note: The career analysis focuses on the progression and impact expected of a Senior Engineer in a company like Iris Software. Growth opportunities are framed around technical depth, leadership potential, and broader industry exposure, aligning with the company's emphasis on career development.

🌐 Work Environment

Office Type: The role is described as "On-site," indicating a traditional office-based work environment located in Noida. This suggests a collaborative setting where in-person interaction with colleagues is expected.

Office Location(s): The primary office location is Noida, Uttar Pradesh, India. This location is identified as a significant hub for Iris Software's operations.

Workspace Context:

• Collaborative Environment: The on-site nature of the role fosters direct team interaction, spontaneous problem-solving, and a strong sense of team cohesion.

• Tools & Technology: Access to company-provided hardware, software, and robust internet connectivity necessary for modern software development. This includes development tools, testing environments, and collaborative platforms.

• Team Interaction: Opportunities for daily stand-ups, brainstorming sessions, code reviews, and knowledge-sharing events with fellow engineers and other team members.

Work Schedule: A standard full-time work schedule (likely 40 hours/week) is expected, with the potential for some flexibility based on project demands and company policies, though the emphasis is on being present in the office.

📝 Enhancement Note: The work environment section is derived from the "On-site" status and the company's description as a large IT firm. It infers the typical collaborative and tool-rich environment of an established tech company's office.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or Recruiter call to assess overall fit, experience, and salary expectations.

• Technical Assessment: This may involve an online coding challenge (e.g., LeetCode-style problems focused on algorithms, data structures, or

React concepts) or a technical phone screen with an engineer.

• On-site/Virtual Interview Loop: Typically includes multiple interviews with:

  • Senior Engineers/Team Leads: Focusing on in-depth technical discussions, React.js expertise, problem-solving scenarios, and architectural design. Expect questions on state management, component design, API integration, and performance optimization.
  • Hiring Manager: Assessing leadership potential, collaboration skills, career aspirations, and cultural fit.

• Portfolio Review: Candidates may be asked to present a project from their portfolio, detailing their role, technical decisions, challenges faced, and outcomes. This is a crucial part of evaluating a Senior Engineer's practical experience and communication skills.

• Final Round: Potentially a discussion with a senior leader or architect to finalize the decision.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 projects that best showcase your React.js expertise, TypeScript proficiency, experience with APIs/GraphQL, and any work involving Micro Frontends or complex component architectures.

• Structure Your Narrative: For each project, clearly articulate the problem, your specific contributions, the technical challenges you overcame (especially related to React, state, or architecture), and the impact of your work. Quantify results where possible.

• Highlight Key Technologies: Be prepared to deep-dive into your use of React.js, TypeScript, GraphQL, Jest, React Testing Library, and any monorepo experience. Explain why you chose certain tools or patterns.

• Demonstrate Problem-Solving: Focus on how you tackled complex issues, debugged effectively, and improved application performance or maintainability.

• Practice Your Presentation: Rehearse presenting your portfolio projects clearly and concisely, anticipating technical questions.

Challenge Preparation:

• React Fundamentals: Refresh knowledge on component lifecycle, hooks, state management (Redux), context API, performance optimization (e.g., React.memo, useCallback, useMemo).

• JavaScript & TypeScript: Practice modern JS features and TypeScript concepts (types, interfaces, generics).

• API Integration: Understand RESTful APIs and GraphQL querying.

• Architectural Patterns: Be ready to discuss Micro Frontend concepts, module federation, and distributed UI design principles.

• Testing: Review Jest and React Testing Library best practices for unit and integration testing React components.

• Problem Solving: Practice algorithmic thinking and debugging scenarios relevant to frontend development.

📝 Enhancement Note: This section provides actionable advice for candidates applying to a senior engineering role. It anticipates a multi-stage interview process, emphasizes the critical role of a portfolio for senior positions, and outlines specific preparation strategies for technical challenges and interviews.

🛠 Tools & Technology Stack

Primary Tools:

• Frontend Framework: React.js

• Language: TypeScript, JavaScript (modern ES6+)

• State Management: Redux (or similar, e.g., Zustand, Jotai)

• Styling: styled-components (or other CSS-in-JS, CSS Modules, Sass)

• Build Tools: Webpack, Vite (or similar)

• Package Management: Yarn (specifically Yarn Workspaces for monorepos)

• API Interaction: GraphQL client libraries (e.g., Apollo Client, Relay) and potentially REST clients.

Analytics & Reporting:

• Testing Frameworks: Jest, React Testing Library

• Debugging Tools: Browser developer tools (Chrome DevTools, Firefox Developer Tools)

• Performance Monitoring: Potentially tools like Lighthouse, Web Vitals, or APM solutions integrated with frontend.

CRM & Automation:

• While not directly a frontend tool, understanding how frontend applications interact with backend systems, APIs, and potentially CDNs or cloud deployment platforms is crucial. Familiarity with CI/CD tools (e.g., Jenkins, GitLab CI, GitHub Actions) for automated builds and deployments is a plus.

📝 Enhancement Note: This section details the expected technology stack for a Senior UI React Engineer, drawing directly from the job description's explicit mentions (React.js, TypeScript, GraphQL, Jest, React Testing Library, Monorepo/Yarn Workspace) and adding common complementary tools used in modern frontend development.

👥 Team Culture & Values

Operations Values:

• Excellence in Engineering: A commitment to building high-quality, robust, and performant applications. This means meticulous coding, thorough testing, and a dedication to best practices.

• Collaboration & Teamwork: Valuing collective success over individual achievement, fostering an environment where team members support each other, share knowledge, and work cohesively towards common goals.

• Innovation & Continuous Improvement: Encouraging curiosity, embracing new technologies, and constantly seeking ways to optimize processes, improve application architecture, and enhance user experiences.

• Client Focus: Understanding that the ultimate goal is to deliver value to clients through technology-driven solutions, maintaining a focus on client needs and project success.

• Ownership & Accountability: Taking responsibility for one's work, from development to deployment and maintenance, and demonstrating a proactive approach to problem-solving.

Collaboration Style:

• Cross-Functional Integration: Seamless collaboration with Product Management, Design, Backend Engineering, and QA teams, ensuring alignment and efficient communication throughout the development lifecycle.

• Open Communication: Encouraging open dialogue, constructive feedback during code reviews, and transparent sharing of progress, challenges, and ideas.

• Mentorship Culture: Senior engineers are expected to guide and support junior team members, fostering a learning environment where knowledge is shared freely.

• Agile Methodologies: Likely working within an Agile framework (e.g., Scrum, Kanban) that emphasizes iterative development, regular feedback loops, and adaptability.

📝 Enhancement Note: The culture and values section is inferred from the company's description as a "Top Workplace" and its emphasis on talent, ambition, and career growth. It outlines expected behaviors and collaborative norms for a senior technical role within such an organization.

⚡ Challenges & Growth Opportunities

Challenges:

• Architectural Complexity: Designing and implementing scalable Micro Frontend architectures that maintain coherence and manage dependencies effectively across distributed teams.

• Performance Optimization: Ensuring high performance and responsiveness for complex UIs, especially under heavy data loads or across various network conditions.

• Cross-Team Dependencies: Managing dependencies and ensuring seamless integration between different frontend modules and backend services in a distributed environment.

• Keeping Pace with Technology: The rapid evolution of frontend technologies requires continuous learning and adaptation to new tools, libraries, and best practices.

• Balancing Innovation and Stability: Introducing new technologies or architectural patterns while maintaining the stability and reliability of existing critical applications.

Learning & Development Opportunities:

• Advanced React & Frontend Techniques: Deep dives into performance tuning, advanced state management patterns, server-side rendering (SSR), static site generation (SSG), and progressive web apps (PWAs).

• Micro Frontend Ecosystem: Exploring advanced module federation patterns, cross-frontend communication strategies, and tooling for managing complex micro frontend deployments.

• Cloud & DevOps Integration: Understanding how frontend applications are deployed, scaled, and monitored in cloud environments (AWS, Azure, GCP) and contributing to CI/CD pipelines.

• Leadership & Mentorship: Formal training or informal opportunities to develop leadership skills, mentor junior engineers, and contribute to technical strategy.

• Industry Conferences & Certifications: Opportunities to attend relevant tech conferences or pursue certifications to enhance skills and network within the industry.

📝 Enhancement Note: This section anticipates common challenges faced by senior frontend engineers working with modern architectures and outlines specific growth avenues relevant to the role and the company's focus on technology transformation.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex React application you've architected. What were the key design decisions, and why did you choose that approach?" (Focus on React.js, architecture, decision-making)

• "How would you implement a Micro Frontend architecture for a large-scale application? What are the trade-offs, and how would you manage inter-module communication?" (Focus on Micro Frontend, module federation, distributed systems)

• "Walk me through your process for optimizing the performance of a React application. What tools and techniques do you use?" (Focus on performance, React optimization, testing)

Company & Culture Questions:

• "What interests you about Iris Software and this specific role as a Senior UI React Engineer?" (Research company values, projects, and connect to your aspirations)

• "Describe a time you had to collaborate with a challenging stakeholder or team member. How did you navigate the situation?" (Focus on communication, collaboration, problem-solving)

• "How do you stay updated with the latest trends and technologies in frontend development?" (Demonstrate continuous learning and passion for the field)

Portfolio Presentation Strategy:

• Storytelling: Frame your portfolio projects as narratives – problem, solution, impact. Use visuals (screenshots, brief demos) effectively.

• Technical Depth: Be ready to discuss the why behind your technical choices – why React, why TypeScript, why GraphQL, why a particular state management solution, why Micro Frontends.

• Quantify Impact: Whenever possible, use metrics to demonstrate the success of your work (e.g., "reduced load time by 20%", "increased conversion rate by X%", "improved developer productivity by Y%").

• Address Challenges: Discussing challenges and how you overcame them showcases critical thinking and problem-solving skills.

• Conciseness: Respect the interviewer's time. Practice to deliver your presentation within the allocated timeframe.

📝 Enhancement Note: Interview preparation advice is tailored to a senior engineering role, focusing on technical depth, architectural understanding, and the ability to articulate complex concepts clearly. The portfolio presentation strategy is key for senior roles and is given detailed attention.

📌 Application Steps

To apply for this operations position:

• Submit your application through the provided career link on the Iris Software website.

• Tailor Your Resume: Highlight your experience with React.js, TypeScript, GraphQL, Micro Frontend architecture, and testing frameworks. Use keywords from the job description such as "React.js," "TypeScript," "GraphQL," "Micro Frontend," "Jest," and "Monorepo." Quantify achievements with specific metrics where possible.

• Prepare Your Portfolio: Select 2-3 strong projects that showcase your senior-level frontend development skills. Be ready to present them, focusing on technical challenges, solutions, and your specific contributions. Ensure it demonstrates your experience with modern React practices and architectural patterns.

• Practice Technical Scenarios: Review common React.js interview questions, data structure and algorithm problems, and scenarios related to architectural design and performance optimization.

• Research Iris Software: Understand their company culture, values, industry focus, and recent projects. Prepare thoughtful questions about the team, projects, and opportunities for growth.

⚠️ 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.