Senior UI Developer (React)

📍 Job Overview

Job Title: Senior UI Developer (React)

Company: Hypersonix

Location: Bangalore, Karnataka, India

Job Type: Full-Time

Category: Front-End Development / UI/UX Engineering

Date Posted: March 24, 2026

Experience Level: 5-10 Years

Remote Status: Fully Remote

🚀 Role Summary

• This Senior UI Developer role is critical in translating sophisticated design concepts into tangible, high-performance web applications for Hypersonix's AI-driven e-commerce platform.

• The position demands a strong command of front-end technologies, with a specific emphasis on delivering exceptional user experiences and ensuring robust, scalable front-end architecture.

• You will be instrumental in shaping the user interface and user experience of Hypersonix's product suite, working collaboratively with design and engineering teams to maintain a consistent and innovative vision.

• This role requires a proactive approach to adopting new standards and pushing the boundaries of web browser capabilities to create cutting-edge applications.

📝 Enhancement Note: While the job title specifies "Senior UI Developer (React)," the description heavily emphasizes Angular 10 and general front-end skills. This suggests either a broader scope of responsibilities beyond just React, or a potential mismatch in the job title. Candidates should clarify the primary technology stack during the application process. Given the emphasis on Angular 10 and general front-end skills, this role is being categorized broadly under "Front-End Development / UI/UX Engineering" to encompass the described requirements.

📈 Primary Responsibilities

• Conceptualize, design, and implement dynamic and compelling user experiences that align with Hypersonix's AI-driven e-commerce vision.

• Develop next-generation web applications, focusing on efficient, reusable front-end abstractions and scalable systems that enhance user interaction and data visualization.

• Collaborate closely with product designers to translate high-fidelity mock-ups and wireframes into versatile, pixel-perfect front-end solutions, ensuring adherence to design specifications and accessibility standards.

• Partner with product managers, UX designers, and back-end engineers to integrate front-end components seamlessly with server-side logic and APIs, ensuring a cohesive application flow.

• Actively participate in design and code reviews, providing constructive feedback to uphold code quality, application robustness, and best practices for front-end development.

• Analyze system function and performance requirements to inform design concepts and ensure the front-end architecture can support current and future product functionalities.

• Champion emerging web standards and technologies, driving innovation and continuous improvement in the front-end development process and application performance.

📝 Enhancement Note: The responsibilities emphasize a blend of design interpretation and technical implementation, typical for senior front-end roles focused on user experience. The mention of "next-generation web applications" and "pushing the limits of what a browser can do" indicates a need for innovative problem-solving and a forward-thinking approach to front-end architecture.

🎓 Skills & Qualifications

Education:

Experience:

Required Skills:

• Core Web Technologies: Commanding grasp of semantic and accessible HTML5 and CSS3.

• CSS Pre-processors: Proficiency with pre-processors like SASS or LESS for efficient style management.

• JavaScript Frameworks/Libraries: Proficient understanding of client-side scripting and JavaScript frameworks/libraries (while React is in the title, Angular 10 is explicitly mentioned; clarity on primary framework is advised).

• Asynchronous Operations: Strong understanding of asynchronous request handling, partial page updates, and AJAX.

• Cross-Browser Compatibility: Deep knowledge of cross-browser compatibility issues and effective strategies for resolution.

• Version Control: Proficient understanding and practical experience with code versioning tools, such as Git.

• UX Sensibilities: Demonstrated design and UX sensibilities, with a keen eye for user-centered design principles.

• Information Architecture: Familiarity with interaction design and information architecture principles.

Preferred Skills:

• React Expertise: While Angular 10 is mentioned, direct experience with React.js would be highly advantageous given the job title.

• SEO Principles: Good understanding of SEO principles and how to implement them within front-end development to ensure search engine visibility.

• Performance Optimization: Experience with front-end performance optimization techniques and tools.

• Testing Frameworks: Familiarity with front-end testing frameworks (e.g., Jest, Enzyme, Cypress).

• UI/UX Design Tools: Experience working with design tools like Figma, Sketch, or Adobe XD.

📝 Enhancement Note: The requirements present a slight ambiguity regarding the primary JavaScript framework (React vs. Angular 10). Candidates with strong experience in either, especially if they can demonstrate adaptability, should consider applying. The emphasis on UX sensibilities and interaction design indicates a need for a developer who thinks beyond just code implementation.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Code Samples: Provide well-documented code samples demonstrating proficiency in HTML5, CSS3, JavaScript, and relevant frameworks (Angular 10 or React). Focus on clean, maintainable, and scalable code.

• Project Demonstrations: Showcase at least 2-3 significant web application projects that highlight your ability to translate design mock-ups into functional, user-friendly interfaces.

• UI/UX Case Studies: Include detailed case studies for key projects that illustrate your approach to user experience design, interaction design, and information architecture. Explain the design rationale and user-centric decisions made.

• Performance Metrics: Where possible, present examples of projects where you achieved measurable improvements in front-end performance, load times, or user engagement metrics.

Process Documentation:

• Workflow Design: Demonstrate experience in designing and implementing front-end workflows, including component-based architecture and state management strategies.

• Cross-Functional Collaboration: Provide examples of how you've collaborated with designers and back-end engineers, documenting communication protocols and integration processes.

• Accessibility Standards: Showcase understanding and application of web accessibility standards (WCAG) in your development process.

📝 Enhancement Note: A strong portfolio is crucial for this role, as it directly demonstrates the candidate's ability to bridge the gap between design and development. The emphasis on case studies and process documentation signals that Hypersonix values a structured, thoughtful approach to front-end development and problem-solving.

💵 Compensation & Benefits

Salary Range:

• Estimated Range: ₹1,500,000 - ₹2,500,000 per annum (INR).

• Methodology: This estimate is based on industry benchmarks for Senior UI Developers with 5-7 years of experience in Bangalore, India, considering the company's AI/ML focus and the remote nature of the role. Factors include the cost of living in Bangalore, demand for specialized front-end skills, and the typical compensation for senior technical roles in tech companies.

Benefits:

• Comprehensive Health Insurance: Coverage for medical, dental, and vision.

• Remote Work Stipend: Support for home office setup and ongoing expenses.

• Professional Development: Opportunities for training, certifications, and attending industry conferences.

• Flexible Working Hours: Standard 40-hour work week with flexibility to accommodate different time zones and personal needs.

• Paid Time Off: Generous vacation, sick leave, and holiday allowances.

• Stock Options/Equity: Potential for equity participation in a growing tech startup.

Working Hours:

• Standard 40 hours per week. While the role is remote, candidates are expected to maintain availability during core business hours in India's time zone (Asia/Kolkata) for team collaboration and meetings, with flexibility for individual work planning.

📝 Enhancement Note: The salary range is an estimate for senior-level front-end roles in Bangalore. Actual compensation will depend on experience, specific skill alignment, and negotiation. The benefits listed are standard for tech companies, with a particular emphasis on remote work support.

🎯 Team & Company Context

🏢 Company Culture

Industry: Artificial Intelligence (AI), Machine Learning (ML), E-commerce, Data Analytics, Business Intelligence. Hypersonix operates at the intersection of these cutting-edge fields, providing real-time business insights powered by advanced AI/ML.

Company Size: Hypersonix is likely a growing startup or scale-up, indicated by the "Senior" title and the need for core team members. This often means a dynamic, fast-paced environment with opportunities for direct impact.

Founded: Founded with a vision to simplify data consumption for businesses, Hypersonix leverages new-age technology to deliver actionable insights. This implies a culture of innovation and a focus on cutting-edge solutions.

Team Structure:

• The UI Developer will be part of the core engineering and design team, likely reporting to a Lead UI Developer, Engineering Manager, or Head of Product/Engineering.

• Close collaboration is expected with Product Managers, UX Designers, and Back-end Engineers, forming cross-functional agile teams.

Methodology:

• Data-Driven Development: Decisions are informed by data analysis and user feedback to optimize application performance and user experience.

• Agile Development: Iterative development cycles are expected, with continuous integration and deployment practices.

• User-Centric Design: A strong focus on understanding user needs and translating them into intuitive and effective interfaces.

• Innovation Focus: Encouragement to explore and implement new technologies and approaches to solve complex problems.

Company Website: https://hypersonix.ai/

📝 Enhancement Note: Hypersonix's focus on AI and e-commerce suggests a technically driven culture that values innovation, data, and user experience. As a potentially smaller or growing company, team members often have broader responsibilities and a more direct influence on product direction.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior-level individual contributor role, requiring deep technical expertise and the ability to mentor junior developers. It sits within the front-end engineering track, contributing directly to the user-facing aspects of Hypersonix's AI platform.

Reporting Structure: The Senior UI Developer will likely report to an Engineering Manager or a Lead Developer. They will collaborate extensively with Product Managers, UX Designers, and back-end engineering teams, influencing product direction through their technical expertise and user advocacy.

Operations Impact: The role has a significant impact on the usability, adoption, and overall success of Hypersonix's AI platform. By creating intuitive and efficient user interfaces, the developer directly influences customer satisfaction, data interpretation, and the ability of clients to leverage AI-driven insights effectively.

Growth Opportunities:

• Technical Specialization: Opportunity to deepen expertise in React or other relevant front-end technologies, potentially becoming a subject matter expert.

• Leadership Development: Potential to move into a Lead UI Developer or Architect role, mentoring a team and guiding technical strategy.

• Cross-Functional Exposure: Gain valuable experience working across product, design, and back-end engineering, understanding the full product development lifecycle.

• Startup Environment Impact: Contribute to the growth and scaling of a promising AI startup, with potential for significant career advancement as the company evolves.

📝 Enhancement Note: This role offers a clear path for career progression within a specialized technical domain, with opportunities for both deep technical growth and potential leadership. The startup environment provides a unique chance to have a substantial impact on the product and company trajectory.

🌐 Work Environment

Office Type: Fully Remote. This position offers the flexibility and autonomy of working from home.

Office Location(s): While the role is remote, the company is headquartered in Bangalore, India. This context may influence team collaboration patterns and potential for future in-person meetups.

Workspace Context:

• Collaborative Virtual Environment: Expect frequent use of video conferencing, instant messaging, and collaborative document tools for seamless communication with remote team members.

• Technology Stack: Access to modern development tools, cloud-based infrastructure, and collaboration platforms is standard.

• Team Interaction: Regular virtual stand-ups, sprint planning, and retrospectives are integral to the remote work process, fostering a connected team environment despite the physical distance.

Work Schedule:

• A standard 40-hour work week is expected. While remote, maintaining consistent availability during core business hours in the Asia/Kolkata time zone is crucial for effective team collaboration. Flexibility in daily scheduling is often a benefit of remote work, allowing for better work-life integration.

📝 Enhancement Note: The remote nature of the role necessitates strong self-discipline, excellent communication skills, and proficiency with digital collaboration tools. The company's Indian headquarters may influence time zone considerations for team syncs.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A brief call with HR or a recruiter to assess basic qualifications, experience, and cultural fit.

• Technical Interview(s): One or more interviews focusing on front-end concepts, JavaScript, HTML/CSS, framework knowledge (React/Angular), and problem-solving abilities. Expect coding challenges or whiteboarding exercises.

• Portfolio Review: A dedicated session where you present your portfolio, discussing key projects, design decisions, technical challenges, and your role in their successful implementation.

• System Design/Architecture Discussion: For a senior role, expect discussions around building scalable, maintainable front-end architectures, performance optimization, and best practices.

• Hiring Manager/Team Lead Interview: A final interview to discuss team dynamics, career aspirations, and overall fit within the Hypersonix team.

Portfolio Review Tips:

• Curate Selectively: Choose 3-4 of your strongest, most relevant projects that showcase your UI/UX skills, technical proficiency, and problem-solving capabilities.

• Tell a Story: For each project, explain the problem statement, your role, the design process, the technical challenges faced, how you overcame them, and the impact/results.

• Code Quality: Be prepared to discuss your code structure, design patterns, and architectural choices. Ensure code is clean, well-commented, and easily navigable.

• Highlight Collaboration: If possible, showcase projects where you worked effectively with designers and back-end teams, explaining your contribution to the collaborative process.

• Focus on Impact: Quantify achievements where possible (e.g., improved load times by X%, increased conversion rates, positive user feedback).

Challenge Preparation:

• Coding Challenges: Practice common front-end coding problems, focusing on algorithms, data structures, and framework-specific tasks (e.g., component implementation, state management).

• Whiteboarding: Be ready to articulate your thought process clearly while solving problems on a virtual whiteboard.

• Design/UX Scenarios: Prepare for hypothetical design challenges, such as "How would you design X feature?" or "How would you improve the user experience of Y?"

• Behavioral Questions: Prepare examples demonstrating your problem-solving skills, teamwork, communication, and ability to handle challenges.

📝 Enhancement Note: The interview process for a senior role will likely be rigorous, with a strong emphasis on practical application of skills, problem-solving, and the ability to articulate technical and design decisions. A well-prepared portfolio presentation is critical.

🛠 Tools & Technology Stack

Primary Tools:

• Front-End Frameworks: React.js (as per title) and/or Angular 10 (as per description). Candidates should be proficient in at least one.

• JavaScript: ES6+ standards.

• HTML/CSS: HTML5, CSS3, Semantic HTML, Accessibility standards.

• CSS Pre-processors: SASS or LESS.

• Build Tools: Webpack, Babel, or similar.

• Version Control: Git (essential).

Analytics & Reporting:

• Web Analytics: Understanding of tools like Google Analytics, Amplitude, or similar for tracking user behavior.

• Performance Monitoring: Tools for monitoring front-end performance (e.g., Lighthouse, WebPageTest).

CRM & Automation:

• While not directly a CRM/Automation role, understanding how front-end applications integrate with back-end systems and potentially CRM data (e.g., displaying customer information) is beneficial.

📝 Enhancement Note: Proficiency in modern front-end development tools and workflows is expected. Clarification on the primary framework (React vs. Angular) is crucial for targeted preparation.

👥 Team Culture & Values

Operations Values:

• Innovation: A drive to explore and implement cutting-edge AI and web technologies.

• Collaboration: Strong emphasis on teamwork, open communication, and cross-functional partnership.

• User-Centricity: Prioritizing user needs and delivering exceptional experiences.

• Data-Driven Decisions: Utilizing data and analytics to inform design and development choices.

• Efficiency & Quality: Commitment to building robust, performant, and maintainable code.

Collaboration Style:

• Remote-First: Expect a culture that is adept at remote collaboration, utilizing digital tools effectively.

• Agile & Iterative: Working in sprints, with regular feedback loops and adaptability to changing requirements.

• Knowledge Sharing: Encouragement to share insights, best practices, and learnings across the team.

• Constructive Feedback: An environment where constructive criticism is welcomed and used for continuous improvement.

📝 Enhancement Note: The culture likely values proactivity, technical excellence, and a collaborative spirit, essential for a remote team working on innovative technology.

⚡ Challenges & Growth Opportunities

Challenges:

• Bridging Design & Development Gaps: Effectively translating complex design visions into functional code while managing technical constraints.

• Cross-Browser/Device Consistency: Ensuring a flawless user experience across a multitude of browsers and devices.

• Performance Optimization: Maintaining high performance on a data-intensive AI platform.

• Staying Current: Keeping pace with the rapid evolution of front-end technologies and best practices.

• Remote Collaboration: Maintaining strong team cohesion and productivity in a fully remote setting.

Learning & Development Opportunities:

• Deep Dive into AI/ML Context: Gaining exposure to the AI and ML domain, understanding how front-end interfaces support these technologies.

• Advanced Framework Training: Opportunities to specialize further in React or explore other relevant front-end ecosystems.

• Architectural Design: Involvement in designing and evolving the front-end architecture for scalability and maintainability.

• Mentorship: Potential to mentor junior developers and contribute to team growth.

📝 Enhancement Note: The challenges presented are typical for senior front-end roles in innovative tech companies, offering ample opportunities for skill enhancement and professional growth.

💡 Interview Preparation

Strategy Questions:

• Technical Deep Dive: Be prepared to explain your understanding of JavaScript event loops, asynchronous programming, component lifecycle methods (React/Angular), state management patterns, and performance optimization techniques.

• Design & UX Scenarios: Anticipate questions like, "How would you design a dashboard for real-time AI insights?" or "Describe a time you improved a user's experience through a UI/UX change."

• Problem-Solving: Work through coding challenges related to UI rendering, data manipulation, and component composition. Articulate your thought process clearly.

Company & Culture Questions:

• Research Hypersonix: Understand their AI/ML platform, target market, and value proposition. Frame your responses to align with their goals.

• Remote Work Philosophy: Discuss your experience and approach to working effectively in a remote environment.

• Teamwork: Provide examples of successful cross-functional collaboration and how you handle disagreements or differing technical opinions.

Portfolio Presentation Strategy:

• Structure: Use a clear narrative: Problem -> Solution -> Your Role -> Technical Implementation -> Outcome/Impact.

• Visuals: Use screenshots, live demos (if possible), or code snippets to illustrate your points effectively.

• Conciseness: Focus on the most impactful aspects of each project. Be ready for deep dives but start with a high-level overview.

• Technical Specificity: Be prepared to discuss the specific technologies, patterns, and trade-offs involved in your projects.

📝 Enhancement Note: Tailor your preparation to address the specific technologies mentioned (React/Angular) and the company's domain (AI/E-commerce). Demonstrating a strong understanding of both technical execution and user-centric design will be key.

📌 Application Steps

To apply for this Senior UI Developer (React) position:

• Submit your application through the provided application link on Hypersonix's career portal.

• Portfolio Customization: Ensure your resume and portfolio are tailored to highlight your experience with React (and/or Angular 10), HTML5, CSS3, JavaScript, and UI/UX principles. Showcase projects that demonstrate building complex, user-friendly web applications.

• Resume Optimization: Clearly articulate your years of experience and quantify achievements related to UI development, performance improvements, and user experience enhancements. Use keywords like "React," "Angular," "UI/UX," "Front-End Development," "HTML5," "CSS3," and "JavaScript."

• Interview Preparation: Practice coding challenges, prepare to discuss your portfolio in detail, and research Hypersonix's AI platform and mission. Be ready to articulate how your skills align with their needs.

• Company Research: Familiarize yourself with Hypersonix's products, technology stack, and company culture to demonstrate genuine interest and understanding during the interview process.

⚠️ 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. The discrepancy between the job title (React) and description (Angular 10) is a key point to clarify with Hypersonix.