UI Architect (MineStar Onboard) / Architecture UI (MineStar Onboard)

📍 Job Overview

Job Title: UI Architect (MineStar Onboard) / Architecture UI (MineStar Onboard)

Company: Caterpillar Inc.

Location: Laval, Quebec, Canada

Job Type: Full time

Category: Software Engineering / UI Architecture

Date Posted: September 17, 2026

Experience Level: 10+ years

Remote Status: On-site

🚀 Role Summary

• Spearhead the technical authority and strategic direction for user interface (UI) architecture across Caterpillar’s onboard mining and construction platforms, ensuring a cohesive and high-performance user experience.

• Drive the definition and evolution of scalable UI architecture, encompassing component frameworks, navigation models, state management, and performance optimization tailored for embedded environments.

• Translate complex customer and product owner requirements into intuitive, scalable, and high-performance embedded UI solutions, bridging the gap between operational needs and technical execution.

• Foster consistency and development efficiency across MineStar Onboard products by establishing and governing reusable UI patterns, shared component libraries, and robust design standards.

• Provide critical technical leadership and architectural governance within a scaled Agile framework, guiding engineering teams to deliver predictable, high-quality releases and advance Caterpillar’s leadership in automation and digital innovation.

📝 Enhancement Note: This role is positioned as a senior technical leadership position focused on UI architecture within an embedded systems context, specifically for mining and construction equipment. The emphasis on "MineStar Onboard" indicates a focus on in-vehicle technology and operational data. The role requires a blend of deep technical UI expertise, strategic architectural thinking, and strong collaboration skills within an enterprise Agile environment.

📈 Primary Responsibilities

• Lead the definition, development, and continuous evolution of the UI architecture strategy for embedded onboard systems, ensuring scalability, maintainability, and adherence to industry best practices.

• Collaborate closely with Product Owners, System Architects, UI/UX Designers, and customers to deeply understand operational workflows, requirements, and user needs, translating them into effective UI solutions.

• Define and enforce standards for reusable UI components, design patterns, and frontend frameworks to ensure consistency, reduce development effort, and enhance user experience across multiple MineStar Onboard products.

• Oversee and contribute to the end-to-end UI development lifecycle, including design, development, rigorous automated testing (unit, integration, E2E), performance tuning, and deployment within embedded environments.

• Provide expert guidance on integrating UI layers with onboard/embedded systems, backend services, APIs, and infrastructure, ensuring robust data contracts, effective error handling, security protocols, and overall system reliability.

• Champion quality engineering practices, including performance benchmarking, code reviews, and the adoption of automated testing strategies to ensure high-quality, performant, and reliable embedded web applications.

• Act as a technical mentor and leader for engineering teams, conducting architectural reviews, influencing technical decisions, and elevating the overall UI engineering capabilities within the organization.

• Develop and maintain comprehensive architecture documentation, technical specifications, and validation artifacts to ensure alignment, support scalability, and promote long-term system sustainability.

• Ensure seamless integration of UI elements with onboard systems, leveraging expertise in API integration, data contracts, and system reliability for embedded platforms.

• Drive innovation in UI development by exploring and implementing emerging technologies and methodologies suitable for embedded and real-time applications.

📝 Enhancement Note: The responsibilities highlight a blend of strategic architectural planning and hands-on technical leadership. The emphasis on "embedded environments," "performance optimization," and "constrained environments" is crucial for candidates to understand. The role requires not just UI design but also a deep understanding of how UI interacts with complex onboard hardware and software systems.

🎓 Skills & Qualifications

Education:

• Bachelor’s degree in Engineering (Software, Electrical, Computer), Computer Science, or a related technical discipline.

• An equivalent combination of education and extensive work experience in lieu of a formal degree will also be considered. Experience:

• Demonstrated extensive professional experience as a web application developer and/or UI Architect, with a proven track record of delivering production-ready software.

• Minimum of 10+ years of progressive experience in software development, with a significant focus on UI architecture and embedded systems.

• Proven experience in driving architectural strategy, establishing design patterns, and leading technical initiatives within an enterprise setting.

• Experience working within scaled Agile methodologies (e.g., SAFe) and contributing to predictable, high-quality release cycles. Required Skills:

• Embedded Web UI Development: Proficient in HTML5, CSS, TypeScript/JavaScript, and Angular for building sophisticated embedded web applications.

• UI Architecture: Strong architectural skills including navigation models, state management strategies, shared component governance, and versioning for complex UI systems.

• Component Frameworks: Experience with Web Components and designing/implementing micro-frontend architectures for modular UI composition.

• 3D/Map Visualization: Hands-on experience with 3D and map-based visualization technologies such as WebGL, OpenLayers, and/or three.js.

• Performance Optimization: Deep understanding and practical application of performance optimization techniques for embedded environments, focusing on startup time, rendering performance, and memory constraints.

• Automated Testing: Expertise in defining and implementing automated UI testing strategies, including unit, component, integration, and end-to-end testing frameworks.

• API Integration: Solid understanding of API integration principles, robust error handling, secure design patterns, and logging/telemetry for UI components.

• Technical Leadership: Ability to provide technical guidance, mentor engineering teams, conduct design reviews, and influence technical direction.

• Strategic Thinking: Capacity to understand the "big picture," identify key success factors, and align technical strategies with business objectives.

• Effective Communication: Excellent verbal and written communication skills, with the ability to clearly articulate complex technical concepts to diverse audiences.

Preferred Skills:

• Fluency in both English and French (written and spoken) is highly preferred for effective communication with stakeholders across Canada and potentially globally.

• Previous programming experience in C++.

• Experience with scripting languages such as Python for development or automation tasks.

• Familiarity with networking protocols like GNSS positioning, Wi-Fi, TCP/IP, UDP, and SSL.

• Experience working with real-time operating systems (RTOS).

• Exposure to WebAssembly for performance-critical web applications.

📝 Enhancement Note: The required skills are highly specific to embedded UI development and architecture. Candidates must demonstrate practical experience with the listed technologies, particularly Angular, Web Components, and performance optimization in resource-constrained environments. The preference for bilingualism (English/French) is a significant factor given the location.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Architectural Design Showcase: Provide examples of complex UI architectures designed for scalability and maintainability, clearly articulating the rationale behind design choices, component structures, and integration strategies.

• Embedded System UI Case Studies: Present case studies detailing the development of UI for embedded or resource-constrained environments, highlighting challenges overcome, performance optimizations implemented, and user experience improvements achieved.

• Component Reusability & Pattern Implementation: Showcase examples of reusable UI components, design patterns, and style guides developed to ensure consistency and efficiency across multiple applications or product lines.

• Performance Optimization Evidence: Include metrics and documentation demonstrating significant performance improvements (e.g., reduced load times, smoother rendering, lower memory footprint) achieved through architectural or implementation-level changes.

• Testing Strategy Documentation: Provide documentation or examples of automated testing strategies implemented for UI components and integrated systems, showcasing the approach to ensuring quality and reliability.

Process Documentation:

• UI Architecture Strategy Documents: Examples of strategic documents outlining UI architecture vision, roadmaps, technology choices, and governance models for enterprise-level UI development.

• Design Pattern Libraries & Guidelines: Comprehensive documentation for established UI design patterns, component libraries, and coding standards that facilitate consistent development and onboarding.

• Integration Specifications: Technical specifications detailing how UI layers integrate with backend services, APIs, and embedded hardware, including data contracts, error handling, and security considerations.

• Performance Benchmarking Reports: Reports detailing performance benchmarks for UI components and applications, along with methods used for measurement and optimization.

📝 Enhancement Note: For a UI Architect role, the portfolio should focus on demonstrating strategic architectural thinking, practical implementation of complex UI systems, and a deep understanding of performance optimization in embedded contexts. Case studies are essential to illustrate problem-solving and impact.

💵 Compensation & Benefits

Salary Range: $122,200 - $152,760 CAD per year

Explanation of Salary Range:

This salary range is based on the provided information for the UI Architect position in Laval, Quebec, Canada. Market research for senior UI Architect roles with extensive experience (10+ years) in specialized areas like embedded web development and UI architecture within the technology and manufacturing sectors in the Montreal/Laval metropolitan area typically falls within this band. Factors influencing placement within this range include the candidate's specific depth of experience with Angular, Web Components, 3D visualization, performance optimization for embedded systems, and leadership capabilities. Caterpillar's compensation philosophy also considers individual performance, job-related knowledge, skills, and experience.

Benefits:

• Comprehensive health, dental, and vision insurance plans.

• Retirement savings plan with company matching contributions.

• Paid time off, including vacation days, personal days, and holidays.

• Professional development opportunities, including training, conferences, and certifications.

• Access to Caterpillar’s global network and resources.

• Potential for involvement in cutting-edge technology projects related to automation and digital innovation.

• Relocation assistance is not offered for this position. Working Hours:

• Standard full-time work schedule is 40 hours per week.

• The role requires working onsite five days a week in the Laval or Montreal office.

• While a standard schedule is expected, flexibility may be available depending on project needs and team collaboration, but the primary expectation is on-site presence.

📝 Enhancement Note: The salary range provided is specific to CAD. The benefits are standard for a large enterprise like Caterpillar, with an emphasis on professional development and the unique aspects of working in advanced technology within the company. The "on-site five days a week" requirement is critical for candidates to note.

🎯 Team & Company Context

🏢 Company Culture

Industry: Heavy Equipment Manufacturing, Technology Solutions, Mining & Construction

Company Size: Over 10,000 employees (Caterpillar Inc. is a global Fortune 100 company).

Founded: 1925 (Caterpillar Inc.)

Team Structure:

• The role is within "Cat Technology," which collaborates across the Caterpillar enterprise, focusing on advancing technologies like autonomy and automation.

• The UI Architect will be part of a team responsible for onboard mining and construction platforms, likely working within a larger engineering or product development group.

• Expect a structure that includes Product Owners, System Architects, UI/UX Designers, and embedded software engineers, operating within a scaled Agile framework.

• Collaboration will be cross-functional, involving teams responsible for hardware, software, and customer integration. Methodology:

• Scaled Agile Framework (SAFe): The job description explicitly mentions operating within a scaled Agile environment, indicating a structured approach to product development with regular planning cycles, iterative development, and continuous integration.

• Data-Driven Decision Making: Emphasis on translating operational needs and user feedback into technical solutions, suggesting a data-informed approach to UI design and development.

• Innovation & Technology Advancement: Cat Technology is focused on innovation, research, and development in areas like autonomy, automation, and advanced materials, implying a culture that values forward-thinking and technological excellence.

• Process Optimization: A core function of the role is to improve development efficiency and user experience through architectural standards, reusable components, and best practices.

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

📝 Enhancement Note: Caterpillar is a massive, established global corporation with a strong engineering heritage. The "Cat Technology" division represents its commitment to modernizing and digitizing its offerings, particularly in automation and data. The culture likely balances rigorous engineering standards with a drive for innovation in advanced technologies.

📈 Career & Growth Analysis

Operations Career Level: Senior/Principal UI Architect

Reporting Structure: The UI Architect will likely report to a Engineering Manager, Director of Software Engineering, or a Chief Architect overseeing the MineStar Onboard platform or related technology areas. They will provide architectural governance and mentorship to engineering teams.

Operations Impact: This role has a direct impact on the usability, efficiency, and safety of Caterpillar's heavy machinery. By designing intuitive and high-performance UIs for onboard systems, the architect contributes to improved operator productivity, reduced errors, enhanced safety protocols, and the successful adoption of advanced technologies like autonomy and automation in mining and construction operations worldwide. The architectural decisions made will influence the long-term maintainability and evolution of the MineStar software suite.

Growth Opportunities:

• Technical Specialization: Deepen expertise in embedded UI architecture, 3D/map visualization, or specific areas of automation and AI integration within heavy machinery.

• Leadership Advancement: Progress into roles such as Lead Architect, Chief Architect, or Engineering Manager, overseeing larger teams or broader architectural domains.

• Cross-Functional Exposure: Gain experience in other technology areas within Cat Technology, such as AI/ML for operational insights, IoT, or data analytics platforms.

• Industry Impact: Contribute to defining the future of user interfaces in heavy industry, influencing product development for a global leader.

• Mentorship & Knowledge Sharing: Develop leadership skills by mentoring junior engineers and architects, and by contributing to the broader technical community within Caterpillar.

📝 Enhancement Note: This is a senior-level technical leadership role. Growth is likely to come from increasing scope of responsibility, technical depth, and potential leadership in architectural strategy or team management within the advanced technology division.

🌐 Work Environment

Office Type: On-site presence required in either the Laval or Montreal office. This suggests a traditional office environment with dedicated workspaces.

Office Location(s): Laval, Quebec, Canada; Montreal, Quebec, Canada. These are major metropolitan areas in Quebec, offering access to a skilled workforce and amenities.

Workspace Context:

• Collaborative Environment: The role requires close collaboration with various teams (Product Owners, System Architects, UI/UX, engineers), implying a dynamic and interactive workspace.

• Technology Access: As a leading technology company, expect access to modern development tools, hardware (potentially including test equipment or simulated environments), and robust IT infrastructure.

• Embedded Systems Focus: The workspace may involve specialized equipment or testing rigs relevant to embedded systems and heavy machinery simulation or integration.

• Agile Practices: The team likely utilizes agile methodologies, which often involve co-location or robust digital collaboration tools to facilitate daily stand-ups, sprint planning, and retrospectives.

Work Schedule: A standard 40-hour work week is expected, with the requirement to be present in the office five days a week. While some flexibility might exist within the workday, the emphasis is on on-site collaboration and presence.

📝 Enhancement Note: The on-site requirement is a significant factor. Candidates should expect a standard corporate office environment within a major Canadian city, with an emphasis on team collaboration and the tools necessary for advanced software development.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Screening/Interview: Likely a discussion with a hiring manager or senior engineer to delve into technical skills, experience with specific technologies (Angular, embedded UI, architecture), and problem-solving abilities.

• Architectural Deep Dive: A session focused on UI architecture principles, design patterns, performance optimization strategies, and handling complex integration scenarios. This may involve whiteboard exercises or hypothetical problem-solving.

• Portfolio Review: Presentation of selected portfolio pieces, focusing on architectural decisions, challenges faced, solutions implemented, and the impact of their work. This is a critical stage for demonstrating practical application of skills.

• Behavioral/Situational Interview: Questions assessing leadership, teamwork, communication, strategic thinking, and how candidates handle challenging situations.

• Final Interview: Potentially with a higher-level leader to finalize the decision and discuss overall fit.

Portfolio Review Tips:

• Focus on Impact: For each portfolio piece, clearly articulate the problem addressed, your specific role and contributions, the solution implemented, and the measurable impact (e.g., performance gains, efficiency improvements, user satisfaction).

• Architectural Rationale: Be prepared to explain why you made certain architectural decisions, discussing trade-offs, alternatives considered, and how your choices align with project goals and constraints.

• Embedded Context: Emphasize how your work addresses the unique challenges of embedded systems – performance, memory, real-time constraints, and integration with hardware.

• Visual Clarity: Use diagrams, flowcharts, and screenshots effectively to illustrate complex architectures and user interfaces.

• Conciseness: Present key information efficiently, focusing on the most relevant aspects of your experience for this specific role.

• Demonstrate Leadership: Highlight instances where you led technical initiatives, mentored others, or influenced architectural direction.

Challenge Preparation:

• UI Architecture Design Exercise: Be ready for a hypothetical scenario where you'll need to design the UI architecture for a new onboard system, considering requirements, constraints, and technologies.

• Performance Optimization Scenario: Prepare to discuss how you would diagnose and resolve performance bottlenecks in an embedded UI application.

• Integration Problem-Solving: Anticipate questions about integrating UI components with backend services or hardware, focusing on data flow, error handling, and API design.

• Agile & Collaboration Scenarios: Prepare to discuss how you work within Agile teams, handle conflicting requirements, and communicate technical decisions to non-technical stakeholders.

📝 Enhancement Note: The portfolio review is a crucial component. Candidates should prepare specific examples demonstrating their UI architecture expertise, particularly within embedded systems. The interview process will likely be rigorous, testing both technical depth and strategic thinking.

🛠 Tools & Technology Stack

Primary Tools:

• Frontend Framework: Angular (explicitly required)

• Languages: TypeScript, JavaScript, HTML5, CSS

• Component Standards: Web Components

• Architecture Patterns: Micro-frontends, State Management (e.g., NgRx, Akita, or custom solutions), Navigation Models

• 3D/Map Visualization: WebGL, OpenLayers, three.js

• Version Control: Git (standard industry practice)

• Build Tools: Webpack, Angular CLI (standard for Angular development)

• Testing Frameworks: Jasmine, Karma, Protractor (or modern alternatives like Cypress, Playwright for E2E)

Analytics & Reporting:

• While not explicitly mentioned for the UI Architect role, understanding how UI performance and user interaction data are collected and analyzed would be beneficial. Tools like performance monitoring libraries or integration with backend logging systems. CRM & Automation:

• Not directly applicable to the core UI Architect responsibilities, but understanding how UI fits into the broader product ecosystem and customer interaction workflows is valuable. Other Potentially Relevant Technologies:

• C++, Python (preferred for scripting/backend integration)

• GNSS, Wi-Fi, TCP/IP, UDP, SSL (for understanding onboard communication)

• Real-time Operating Systems (RTOS)

• WebAssembly

📝 Enhancement Note: The technology stack is heavily focused on modern web frontend development, with a strong emphasis on Angular and its ecosystem, plus specialized libraries for visualization and embedded environments. Candidates should be prepared to discuss their proficiency and architectural approach using these tools.

👥 Team Culture & Values

Operations Values:

• Technical Excellence: A strong emphasis on high-quality, robust, and performant engineering, particularly in critical systems like heavy machinery.

• Innovation: Driving advancements in automation, autonomy, and digital solutions to maintain industry leadership.

• Collaboration: Working effectively across diverse teams (engineering, product, customer-facing) to achieve common goals.

• Customer Focus: Understanding and translating customer operational needs into practical, effective technology solutions.

• Efficiency & Optimization: Continuously seeking ways to improve development processes, system performance, and user experience.

• Integrity & Safety: Adhering to high ethical standards and prioritizing safety in all aspects of product development, especially in heavy industry.

Collaboration Style:

• Cross-Functional Integration: Expect to work closely with hardware engineers, software developers on other layers (e.g., embedded OS, backend services), UI/UX designers, product managers, and potentially direct customers or dealer representatives.

• Agile Teamwork: A collaborative approach within Agile sprints, involving active participation in planning, stand-ups, reviews, and retrospectives.

• Architectural Governance: A style that involves clear communication of architectural decisions, active participation in design reviews, and influencing technical direction through expertise and collaboration rather than dictates.

• Knowledge Sharing: Encouragement of sharing best practices, lessons learned, and technical insights across teams to foster collective growth and improve overall engineering quality.

📝 Enhancement Note: The culture emphasizes a blend of traditional engineering rigor, a forward-looking approach to technology, and a strong collaborative spirit necessary for complex product development in a global enterprise.

⚡ Challenges & Growth Opportunities

Challenges:

• Performance in Embedded Environments: Architecting UIs that perform optimally under the strict resource constraints (CPU, memory, network bandwidth) of onboard heavy equipment systems.

• Integration Complexity: Ensuring seamless and reliable integration between the UI, diverse onboard hardware (sensors, controllers), and backend cloud services in a complex ecosystem.

• Cross-Platform Consistency: Maintaining a consistent and intuitive user experience across various machine models and software versions within the MineStar Onboard product suite.

• Balancing Innovation with Stability: Introducing new technologies and features while ensuring the high reliability and stability required for safety-critical applications in mining and construction.

• Global Stakeholder Management: Collaborating effectively with diverse teams and stakeholders across different regions and cultures, potentially with varying technical maturity levels.

Learning & Development Opportunities:

• Deep Dive into Heavy Industry Tech: Gain unparalleled expertise in the technologies driving automation, autonomy, and digital transformation in the construction and mining sectors.

• Advanced UI Architecture: Expand knowledge in areas like real-time graphics, complex state management, micro-frontends for embedded systems, and performance profiling.

• Cross-Disciplinary Learning: Opportunity to learn about embedded systems, real-time operating systems, networking protocols, and potentially AI/ML applications within heavy machinery.

• Leadership and Mentorship: Develop strong leadership and mentoring skills by guiding engineering teams and influencing architectural direction.

• Industry Conferences & Certifications: Potential to attend relevant industry events and pursue certifications that enhance expertise in UI architecture, embedded development, or related fields.

📝 Enhancement Note: The challenges are directly tied to the unique demands of embedded systems in heavy industry. Growth opportunities are significant for individuals looking to specialize in a critical and evolving technological domain.

💡 Interview Preparation

Strategy Questions:

• "Describe your approach to designing a scalable UI architecture for an embedded system with limited resources. What are the key considerations?" (Focus on modularity, performance, state management, component reuse.)

• "How would you ensure consistency and a unified user experience across multiple onboard applications that may have different development teams or lifecycles?" (Discuss design systems, shared component libraries, governance models.)

• "Walk me through a challenging UI integration project you led. What were the obstacles, how did you overcome them, and what was the outcome?" (Highlight problem-solving, technical leadership, and impact.)

• "How do you approach performance optimization for web applications running on embedded hardware? What tools and techniques do you employ?" (Mention profiling, code optimization, rendering strategies, memory management.) Company & Culture Questions:

• "What interests you about working on UI for heavy equipment and Caterpillar's MineStar Onboard platform specifically?" (Show genuine interest in the industry and the company's technological advancements.)

• "How do you see your role contributing to Caterpillar's broader goals of automation and digital innovation?" (Connect your UI architecture expertise to these strategic initiatives.)

• "Describe your experience working in a scaled Agile environment. How do you ensure architectural alignment and quality within such a framework?" (Discuss collaboration, communication, and adherence to Agile principles.)

• "How do you handle technical disagreements with other architects or engineering leads?" (Demonstrate a collaborative and constructive approach to conflict resolution.) Portfolio Presentation Strategy:

• Select Relevant Examples: Choose 2-3 projects that best showcase your UI architecture skills, particularly those involving embedded systems, complex integrations, or significant performance improvements.

• Structure Your Narrative: For each project, follow a clear story: Problem/Context -> Your Role/Approach -> Technical Solution (Architecture, Key Components, Technologies) -> Challenges & Solutions -> Outcome/Impact (Quantifiable results are best).

• Visual Aids: Use diagrams, screenshots, and potentially short demos (if feasible and appropriate) to illustrate your work.

• Focus on "Why": Explain the rationale behind your architectural decisions, demonstrating strategic thinking and understanding of trade-offs.

• Highlight Collaboration: Mention how you worked with other teams (UX, backend, hardware) to achieve project success.

• Address Embedded Constraints: Explicitly discuss how your design choices accounted for the specific limitations and requirements of embedded environments.

📝 Enhancement Note: Preparation should focus on demonstrating not just technical proficiency but also strategic thinking, problem-solving abilities, and a clear understanding of the unique context of embedded UI development for heavy machinery.

📌 Application Steps

To apply for this UI Architect position:

• Submit your application through the Caterpillar Careers portal using the provided URL.

• Tailor your resume: Highlight experience with UI architecture, embedded web development (HTML5, Angular, TypeScript), performance optimization, and any experience with 3D visualization or similar complex frontend projects. Use keywords from the job description.

• Prepare your portfolio: Curate 2-3 strong examples of your work that demonstrate your UI architecture skills, especially in embedded or resource-constrained environments. Focus on architectural decisions, impact, and problem-solving.

• Research Caterpillar and MineStar: Understand Caterpillar's role in heavy industry, its commitment to technology (automation, autonomy), and what "MineStar Onboard" entails. Familiarize yourself with their company culture and values.

• Practice your portfolio presentation: Be ready to walk through your selected projects, explaining your architectural rationale, technical solutions, and the impact of your work, particularly in the context of embedded systems.

⚠️ 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.