UI Engineer

📍 Job Overview

Job Title: UI Engineer

Company: OnebyZero Pte Ltd.

Location: Bangalore, Karnataka, India

Job Type: Full time

Category: Software Engineering / Front-end Development

Date Posted: 2026-06-03

Experience Level: Mid-Level (4-6 years)

Remote Status: On-site

🚀 Role Summary

• This role focuses on building and optimizing high-performance, scalable front-end applications, leveraging modern JavaScript frameworks and state management solutions.

• The UI Engineer will be instrumental in translating complex design requirements into elegant and functional user interfaces, ensuring a seamless user experience.

• A key aspect of this position involves contributing to code quality through comprehensive testing strategies and actively participating in client-facing discussions.

• The role demands strong problem-solving skills to architect and implement robust UI solutions that align with business objectives and technical best practices.

📝 Enhancement Note: While the title is "UI Engineer," the responsibilities and required skills clearly indicate a strong emphasis on front-end software engineering with a specialization in React/Next.js development. The role is positioned as a mid-level position, expecting candidates to not only execute but also contribute to best practices and potentially mentor junior engineers.

📈 Primary Responsibilities

• Develop and meticulously optimize user interfaces utilizing Next.js, with a strong focus on Server-Side Rendering (SSR) and efficient routing mechanisms.

• Implement and manage complex application states effectively using state management libraries such as Zustand or Redux, ensuring data integrity and predictable behavior.

• Seamlessly integrate with back-end services by handling API integrations through robust clients like Apollo Client or tRPC, facilitating data flow and application functionality.

• Construct and manage sophisticated forms using react-hook-form, incorporating validation logic with libraries like Zod or Yup to ensure data accuracy and user input reliability.

• Design, style, and build reusable UI components using modern styling frameworks such as Chakra UI, Tailwind CSS, or styled-components, adhering to design systems and accessibility standards.

• Write modular, maintainable, and highly reusable UI components that promote code consistency and facilitate future development efforts.

• Ensure exceptional code quality and application stability by implementing comprehensive unit tests using Jest and conducting performance analyses with tools like Lighthouse.

• Actively engage in client-facing communication, including participating in meetings, delivering product demonstrations, and contributing to technical discussions to gather requirements and provide updates.

• Apply strong, analytical problem-solving skills to architect and deliver scalable, efficient, and elegant UI solutions that meet demanding project requirements.

📝 Enhancement Note: The responsibilities highlight a full-stack front-end development approach, emphasizing not just UI creation but also state management, API interaction, form handling, and performance optimization, all within the Next.js ecosystem. The inclusion of client-facing communication indicates a need for strong interpersonal and presentation skills beyond pure technical execution.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's degree in Computer Science, Software Engineering, or a related field is typically expected for a mid-level engineering role. Equivalent practical experience will also be considered.

Experience: 4-6 years of professional software engineering experience, specifically focused on front-end development and UI engineering.

Required Skills:

• Next.js Proficiency: Deep understanding and practical experience with Next.js, including its capabilities in Server-Side Rendering (SSR), routing, and optimization techniques.

• State Management: Expertise in managing application state using libraries such as Zustand or Redux, demonstrating an ability to handle complex data flows.

• API Integration: Proven experience with handling API integrations using GraphQL clients like Apollo Client or RPC frameworks like tRPC.

• Form Handling: Strong command of react-hook-form for building efficient and validated forms, coupled with experience in validation libraries like Zod or Yup.

• UI/Styling Frameworks: Proficiency in styling and building UI components with Chakra UI, Tailwind CSS, or styled-components.

• Component Development: Ability to write modular, maintainable, and reusable UI components that adhere to best practices and design patterns.

• Testing Expertise: Experience in writing unit tests with Jest and conducting performance testing and analysis using tools like Lighthouse.

• Problem-Solving: Demonstrable strong problem-solving skills, with a capacity to tackle complex technical challenges and devise effective solutions.

• Client Communication: Comfort and experience in client-facing communication, including participating in meetings, demos, and technical discussions.

Preferred Skills:

• Component Documentation: Familiarity with Storybook for developing, documenting, and showcasing UI components in isolation.

• Advanced Data Fetching: Knowledge of advanced data fetching libraries such as TanStack Query (React Query) or SWR for efficient data management.

• Error Monitoring: Integration experience with error monitoring tools like Sentry to proactively identify and resolve issues.

• Performance Optimization Techniques: Experience with implementing lazy loading and image optimization strategies to improve application load times and user experience.

📝 Enhancement Note: The required skills list is comprehensive and directly maps to the "What You'll Do" section, indicating a strong alignment between responsibilities and qualifications. The preferred skills suggest areas where candidates can differentiate themselves and demonstrate a broader understanding of modern front-end development best practices.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Next.js Project Showcase: Demonstrate at least one significant project built with Next.js, highlighting SSR implementation, routing strategies, and performance optimizations.

• Component Library/Reusable Components: Showcase a collection of well-documented, reusable UI components that were developed using specified styling frameworks (Chakra UI, Tailwind CSS, styled-components).

• State Management Implementation: Provide examples or case studies illustrating effective state management strategies using Zustand or Redux within a complex application context.

• Form Handling and Validation: Present examples of complex forms built with react-hook-form, demonstrating robust validation logic using Zod or Yup.

• API Integration Examples: Include examples of how you've integrated with APIs using Apollo Client or tRPC, showing data fetching and manipulation in the UI.

Process Documentation:

• Component Development Workflow: Detail your process for developing, testing (Jest), and documenting (ideally with Storybook) UI components.

• Performance Optimization Strategy: Explain your approach to identifying and resolving performance bottlenecks using tools like Lighthouse, and how you implement optimizations like lazy loading.

• State Management Design: Describe your methodology for designing and implementing state management solutions to ensure scalability and maintainability.

• Test-Driven Development (TDD) Approach: Outline your experience and approach to writing unit tests (Jest) and potentially integration tests for UI components and features.

📝 Enhancement Note: For a UI Engineer role of this nature, a portfolio is crucial. The emphasis should be on demonstrating practical application of the required technologies and a structured approach to development, testing, and optimization. Candidates should be prepared to walk through their projects and articulate their design decisions and problem-solving processes.

💵 Compensation & Benefits

Salary Range: Based on the experience level (4-6 years), location (Bangalore, India), and industry (Data and AI Consulting), a competitive salary range would typically fall between ₹12,00,000 to ₹25,00,000 per annum. This range accounts for the specific technical expertise required, the company's focus on advanced technology, and the cost of living in a major tech hub like Bangalore.

Benefits:

• Impact-First Culture: A work environment where contributions directly influence significant AI solutions and tangible business outcomes.

• Professional Growth: Opportunities for continuous learning, mentorship from seasoned industry leaders, and a well-defined path for career development and advancement.

• Competitive Compensation Package: This includes a market-leading salary, comprehensive benefits, and potential performance-based incentives.

• Dynamic Team Environment: Collaboration within a high-performing team that fosters curiosity, integrity, and a strong sense of ownership.

• Global Exposure: Opportunities for international travel and engagement with global projects, providing broader perspectives and experiences.

Working Hours: The standard working hours are expected to be around 40 hours per week, aligning with typical full-time employment in the tech industry. While on-site, there may be flexibility depending on project needs and team collaboration requirements.

📝 Enhancement Note: Salary estimates are based on current market data for mid-level UI Engineers in Bangalore, India, considering the tech sector and specialized skills. The benefits listed are directly extracted from the provided text and are presented to highlight the company's value proposition to potential employees.

🎯 Team & Company Context

🏢 Company Culture

Industry: Data and AI Consulting, with a strong focus on cloud solutions (AWS-exclusive partner) and the application of Generative AI. The company serves enterprise clients across key sectors like banking, telecommunications, and retail.

Company Size: While not explicitly stated in the provided text, the mention of "leading enterprises," "APAC presence," and a "high-performing team" suggests a growing, well-established company, likely in the range of 50-500 employees, with potential for significant scale.

Founded: The founding date is not specified, but the description implies a company that is forward-thinking and actively involved in modern data and AI technologies, suggesting it's not a legacy organization.

Team Structure:

• Operations Team Aspect 1: The UI Engineer will likely be part of a dedicated engineering team, possibly structured by specialization (e.g., front-end, back-end, AI/ML specialists). The team size would be typical for a project-based consulting firm, with engineers working in pods or squads dedicated to client projects.

• Operations Team Aspect 2: Reporting likely goes through a Lead Engineer or Engineering Manager, with potential for direct interaction with project managers, solution architects, and client stakeholders.

• Operations Team Aspect 3: Cross-functional collaboration is essential, involving close work with back-end engineers, data scientists, AI specialists, UI/UX designers, and client representatives to deliver integrated solutions.

Methodology:

• Operations Process 1: Data-driven decision-making and continuous improvement are implied, especially given the company's focus on AI and data modernization. UI development will likely involve performance metrics and user feedback loops.

• Operations Process 2: Agile methodologies are standard in tech consulting. Expect iterative development, sprint planning, daily stand-ups, and regular retrospectives to optimize workflows and project delivery.

• Operations Process 3: Emphasis on leveraging cloud technologies (AWS) and AI for efficiency and innovation, suggesting a culture that embraces automation and cutting-edge tools.

Company Website: https://onebyzero.ai

📝 Enhancement Note: The company culture is positioned around impact, growth, and innovation in the AI and data space, leveraging AWS partnerships. The team structure and methodologies are inferred from standard practices in tech consulting firms specializing in advanced technologies.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as a mid-level UI Engineer (Software Engineer II), requiring 4-6 years of experience. This level typically involves significant individual contribution, ownership of features, and some guidance of junior team members. They are expected to be proficient in core technologies and capable of solving complex problems independently.

Reporting Structure: The UI Engineer will likely report to a Senior Engineering Lead or an Engineering Manager. They will also collaborate closely with Project Managers, Solution Architects, and potentially directly with client technical teams.

Operations Impact: The UI Engineer's impact is critical in translating complex AI and data solutions into intuitive and user-friendly interfaces for enterprise clients. Their work directly influences the adoption and perceived value of the company's AI offerings, ensuring that powerful backend technologies are accessible and effective for end-users. This role is key to demonstrating tangible business results from AI initiatives.

Growth Opportunities:

• Specialization Advancement: Deepen expertise in Next.js, specific state management patterns, or advanced front-end performance optimization.

• Technical Leadership: Transition into a Senior UI Engineer or Front-end Lead role, taking on more complex projects, mentoring junior engineers, and influencing architectural decisions.

• Cross-Disciplinary Learning: Gain exposure to back-end development, data science, or cloud architecture through project involvement, potentially moving towards a full-stack or specialized engineering role.

• Client Engagement Leadership: Develop skills in leading client technical discussions, solution demonstrations, and contributing to pre-sales technical assessments.

📝 Enhancement Note: The growth path for a mid-level UI Engineer at a company like OnebyZero is typically geared towards technical specialization, leadership, and broader project involvement, aligning with the consulting nature of the business.

🌐 Work Environment

Office Type: The role is specifically listed as "On-site," indicating a traditional office-based work environment. This setup facilitates direct collaboration, team cohesion, and access to company resources.

Office Location(s): The primary office location is Bangalore, Karnataka, India. This city is a major technology and innovation hub in India, offering a vibrant ecosystem for software professionals.

Workspace Context:

• Collaborative Environment: The on-site nature suggests a workspace designed for collaboration, with opportunities for spontaneous discussions, whiteboarding sessions, and team meetings.

• Tools and Technology: Access to modern development tools, high-performance hardware, and a robust network infrastructure necessary for complex front-end development and data-intensive applications.

• Team Interaction: Frequent interaction with immediate team members (other engineers, designers, PMs) and potentially with client representatives when they visit or during joint working sessions.

Work Schedule: A standard full-time work schedule is expected, likely adhering to business hours in Bangalore (Asia/Kolkata timezone). While on-site, there might be some flexibility to accommodate project deadlines or client needs, but the expectation is regular office presence.

📝 Enhancement Note: The on-site requirement for this role signifies a preference for a traditional collaborative office environment, which is common in consulting firms where team synergy and direct client interaction are highly valued.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and portfolio to assess technical skills and experience alignment with the role requirements.

• Technical Interview(s): This will likely involve coding challenges (live coding or take-home assignments) focusing on Next.js, JavaScript, state management, and component design. Expect questions on data structures, algorithms, and problem-solving.

• Portfolio Deep Dive: A session where you present your past projects, discussing technical challenges, architectural decisions, your role, and the outcomes achieved. This is where you'll showcase your process and impact.

• Behavioral/Cultural Fit Interview: Questions assessing your problem-solving approach, teamwork, communication skills, and alignment with OnebyZero's values (e.g., impact-first, ownership, curiosity).

• Final Interview: Potentially with a senior leader or hiring manager to discuss career aspirations, role expectations, and finalize the offer.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 of your strongest projects that best showcase your Next.js, state management, and UI component development skills. Prioritize projects with clear impact or complex technical challenges.

• Focus on Process: For each project, clearly articulate the problem you were solving, your specific contributions, the technologies used and why, the challenges you faced, and how you overcame them.

• Quantify Impact: Where possible, use metrics to demonstrate the success of your work (e.g., performance improvements, user engagement increases, reduction in bugs).

• Showcase Code Quality: If possible, provide links to well-structured, commented code repositories (e.g., GitHub) for your showcased projects. Ensure components are modular and reusable.

• Prepare for Questions: Anticipate questions about your design choices, trade-offs, testing strategies, and how you handle feedback or difficult technical problems.

Challenge Preparation:

• Practice Core Concepts: Revisit JavaScript fundamentals, React principles, Next.js features (SSR, API routes, routing), state management patterns (Zustand/Redux), and form handling.

• Simulate Coding Challenges: Use platforms like LeetCode, HackerRank, or practice building small components/features under timed conditions.

• Prepare for "Why": Be ready to explain why you chose specific libraries, patterns, or solutions over alternatives.

• Client Communication Scenarios: Think about how you would explain technical concepts to non-technical stakeholders or present a demo of a complex feature.

📝 Enhancement Note: The interview process is designed to rigorously assess both technical proficiency and the ability to apply that knowledge in a client-facing consulting environment. A strong, well-prepared portfolio is paramount for this role.

🛠 Tools & Technology Stack

Primary Tools:

• Next.js: The core framework for building server-rendered React applications, including its routing and SSR capabilities.

• React: The foundational JavaScript library for building user interfaces.

• JavaScript/TypeScript: The primary programming languages for front-end development.

State Management:

• Zustand: A small, fast, and scalable bearbones state-management solution for React.

• Redux: A predictable state container for JavaScript apps, commonly used for complex state management.

API & Data Fetching:

• Apollo Client: A comprehensive state management library for modern web applications, often used with GraphQL.

• tRPC: A TypeScript RPC framework for building fast, reliable, and type-safe APIs.

• TanStack Query (formerly React Query) / SWR: Libraries for simplifying data fetching, caching, and synchronization in React applications.

Forms & Validation:

• react-hook-form: A popular library for managing form state and validation in React.

• Zod / Yup: Schema declaration and validation libraries used in conjunction with form handling.

Styling & UI Frameworks:

• Chakra UI: A simple, modular, and accessible component library that gives you the building blocks to build any React application.

• Tailwind CSS: A utility-first CSS framework for rapidly building custom designs.

• styled-components: A library for writing CSS in JavaScript.

Testing & Quality:

• Jest: A delightful JavaScript Testing Framework with a focus on simplicity.

• Lighthouse: An open-source, automated tool for improving the performance, quality, and correctness of web apps.

• Storybook: An open-source tool for building UI components in isolation.

Error Monitoring:

• Sentry: An open-source error tracking and performance monitoring tool.

📝 Enhancement Note: The technology stack is very modern and indicative of a company focused on cutting-edge web development practices. Proficiency across these tools is crucial, and candidates should be prepared to discuss their experience and preferences.

👥 Team Culture & Values

Operations Values:

• Impact-First Culture: A core value emphasizing that all work should directly contribute to tangible business results and client success, particularly in AI and data initiatives.

• Professional Growth & Mentorship: A commitment to continuous learning, skill development, and providing guidance from experienced professionals to foster career advancement.

• Competitive Compensation & Incentives: Valuing employee contributions through market-leading salaries, comprehensive benefits, and performance-driven rewards.

• Dynamic & Collaborative Team Environment: Fostering a workplace where curiosity, integrity, and ownership are encouraged, leading to high-performing teams that work effectively together.

• Global Exposure: Providing opportunities that broaden perspectives, encourage international collaboration, and offer diverse project experiences.

Collaboration Style:

• Cross-functional Integration: Expect close collaboration with back-end engineers, data scientists, AI specialists, and UI/UX designers to ensure seamless integration of front-end components with complex AI solutions.

• Client-Centric Approach: A strong focus on client communication, understanding their needs, and delivering solutions that meet their business objectives, often involving direct client interaction.

• Agile & Iterative Development: Working within agile frameworks, teams likely engage in frequent feedback loops, iterative development cycles, and continuous improvement based on project progress and client input.

📝 Enhancement Note: The company culture appears to be driven by a desire for impactful work, continuous improvement, and strong team dynamics within the specialized field of AI and data consulting.

⚡ Challenges & Growth Opportunities

Challenges:

• Translating Complex AI to Intuitive UI: The primary challenge will be to take sophisticated AI/ML models and data insights and present them in a clear, user-friendly, and actionable interface for enterprise clients who may not be deeply technical.

• Scalability and Performance: Ensuring that the front-end applications remain performant and scalable as data volumes and feature sets grow, especially within a consulting context where project requirements can evolve rapidly.

• Cross-Functional Alignment: Maintaining seamless communication and alignment with diverse teams (data scientists, back-end engineers, AWS specialists) to ensure the UI effectively integrates with and showcases the underlying technologies.

• Rapid Technology Adoption: Keeping pace with the fast-evolving landscape of front-end technologies, state management solutions, and UI frameworks to maintain best-in-class development practices.

Learning & Development Opportunities:

• Advanced Front-End Techniques: Opportunities to master complex state management, performance optimization, and modern JavaScript/TypeScript features within the Next.js ecosystem.

• Cloud & AI Exposure: Gain deeper understanding of AWS services and AI/ML concepts through collaboration with specialized teams, potentially leading to full-stack or AI-adjacent roles.

• Client Engagement Skills: Develop strong communication, presentation, and stakeholder management skills through regular client interaction and project delivery.

• Mentorship and Leadership: Potential to mentor junior engineers, contribute to architectural discussions, and grow into senior or lead engineering roles within the organization.

📝 Enhancement Note: The challenges and growth opportunities are intrinsically linked, offering candidates a chance to tackle complex technical problems while simultaneously advancing their careers and skill sets in a high-demand field.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex UI you built with Next.js. What were the main challenges, and how did you address them using SSR and state management?" (Focus on technical depth, problem-solving, and specific framework usage).

• "Walk me through a situation where you had to integrate a complex API. What tools did you use (Apollo, tRPC), and how did you handle potential errors or data inconsistencies?" (Assess API integration skills and error handling).

• "How do you approach building reusable UI components? Discuss your experience with styling libraries and component testing." (Evaluate component-based architecture, styling preferences, and testing discipline).

• "Imagine a client requests a feature that is technically challenging or impacts performance. How would you communicate this to them, and what alternative solutions might you propose?" (Test client communication, problem-solving, and strategic thinking). Company & Culture Questions:

• "What interests you about OnebyZero's focus on Data, AI, and Generative AI, and how do you see your UI engineering skills contributing to this?" (Gauge understanding of the company's mission and alignment of skills).

• "Describe a time you worked in a cross-functional team. How did you ensure effective collaboration and communication with non-UI engineers?" (Assess teamwork and cross-disciplinary communication).

• "How do you stay updated with the latest front-end technologies and best practices?" (Understand commitment to continuous learning).

• "What does 'Impact-First Culture' mean to you in the context of a UI Engineer?" (Evaluate alignment with core company values). Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, follow a clear structure: Problem -> Your Role/Solution -> Technologies Used (and why) -> Challenges -> Outcome/Impact.

• Show, Don't Just Tell: Use live demos or detailed screenshots. For code, highlight key sections demonstrating best practices (e.g., modular components, state management logic, testing).

• Quantify Your Achievements: Whenever possible, present metrics (e.g., performance improvements, user satisfaction scores).

• Be Ready to Dive Deep: Anticipate detailed questions about your code, design decisions, and problem-solving approaches. Practice explaining technical concepts clearly and concisely.

📝 Enhancement Note: Preparation should focus on demonstrating not only technical expertise with the specified stack but also the ability to apply these skills within a consulting framework, emphasizing client communication and impact.

📌 Application Steps

To apply for this UI Engineer position:

• Submit your application through the provided link on the OnebyZero careers portal.

• Portfolio Customization: Tailor your portfolio to highlight projects that showcase your expertise in Next.js, state management (Zustand/Redux), form handling (react-hook-form), and modern styling frameworks (Chakra UI/Tailwind CSS). Ensure your best work demonstrating performance optimization and client-facing features is prominently featured.

• Resume Optimization: Ensure your resume clearly articulates your 4-6 years of professional software engineering experience, specifically highlighting achievements related to UI development, Next.js, and the required technologies. Use keywords from the job description.

• Interview Preparation: Practice coding challenges relevant to Next.js and JavaScript. Prepare to walk through your portfolio projects, articulating your technical decisions, challenges, and the impact of your work. Rehearse answers to behavioral questions focusing on collaboration and problem-solving.

• Company Research: Thoroughly research OnebyZero's work in Data, AI, and Generative AI, their AWS partnership, and their client portfolio. Understand their "Impact-First Culture" and how your role contributes to their mission.

⚠️ 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.