Senior UI Engineer

📍 Job Overview

Job Title: Senior UI Engineer

Company: HugeInc

Location: Colombia

Job Type: Full-time

Category: Engineering / Technology

Date Posted: 2026-09-02

Experience Level: 5-10 years

Remote Status: Remote Solely

🚀 Role Summary

• Develop and implement advanced, responsive, and high-performance web experiences leveraging core front-end technologies like HTML5, CSS3, JavaScript, and TypeScript.

• Translate complex, high-fidelity designs into pixel-perfect, accessible, and cross-browser compatible user interfaces, adhering to modern web standards and WCAG 2.1 AA guidelines.

• Optimize front-end performance and user experience to achieve strong Lighthouse scores, ensuring fast load times and smooth interactions.

• Collaborate closely with designers, clients, and cross-functional engineering teams, contributing to technical decision-making, code quality, and project delivery within an agile framework.

📝 Enhancement Note: This role is specifically for a Senior UI Engineer, implying a need for not only strong technical execution but also the ability to mentor, lead technical discussions, and contribute to architectural decisions within the front-end domain. The focus on "agentic AI" and "modern data stacks" in the company description suggests potential involvement in cutting-edge projects.

📈 Primary Responsibilities

• Engineer responsive, high-performance web experiences using HTML5, CSS3, JavaScript, and TypeScript, ensuring robust functionality and excellent user interaction.

• Accurately translate high-fidelity designs from UI/UX teams into pixel-perfect, responsive interfaces optimized for various browsers and devices.

• Build and maintain accessible web experiences, strictly adhering to WCAG 2.1 AA standards and contemporary CSS best practices.

• Implement front-end performance optimizations to ensure rapid load times and superior user engagement, with a focus on achieving high Lighthouse scores.

• Utilize and contribute to existing component libraries and front-end frameworks to foster scalable, consistent, and maintainable user interfaces.

• Develop and maintain comprehensive unit and functional tests, actively applying Test-Driven Development (TDD) methodologies where appropriate to ensure code quality and reliability.

• Engage in collaborative development workflows using Git, including proficient use of pull requests, rigorous code reviews, and modern branching strategies.

• Conduct thorough cross-browser and cross-device testing, incorporating AI-assisted QA tools to enhance overall product quality and consistency.

• Manage and contribute to front-end deployment pipelines, with a focus on enabling efficient CI/CD processes for rapid and reliable releases.

• Independently manage workload, prioritize tasks effectively, identify potential risks, and deliver high-quality results within project deadlines.

• Actively collaborate with designers, clients, and stakeholders, presenting technical solutions, gathering feedback, and iterating on designs throughout the development lifecycle.

📝 Enhancement Note: The responsibilities highlight a blend of deep technical expertise in front-end development and strong collaboration/communication skills, essential for a senior role interacting with clients and diverse teams. The mention of AI-assisted QA tools and potential involvement with "agentic workflows" indicates a forward-thinking approach to quality assurance and development processes.

🎓 Skills & Qualifications

Education: Bachelor's degree in Engineering, Computer Science, or a related field. For candidates holding a degree in Engineering or a related profession in Colombia, a professional license from relevant bodies (e.g., COPNIA, Consejo Profesional) is required.

Experience: 5+ years of professional experience in front-end software engineering and development.

Required Skills:

• Expert-level proficiency in HTML5, CSS3, JavaScript, and TypeScript.

• Deep understanding and practical application of responsive design principles and techniques.

• Strong experience in building accessible web applications, adhering to WCAG 2.1 AA standards.

• Proficiency with modern CSS methodologies such as SCSS, CSS Modules, and CSS-in-JS solutions.

• Hands-on experience with front-end testing frameworks like Vitest or similar, coupled with a solid understanding of Test-Driven Development (TDD) practices.

• Advanced knowledge of Git and collaborative software development workflows, including pull requests and code reviews.

• Excellent verbal and written communication skills, with demonstrated ability to engage effectively with clients and stakeholders.

• Proven ability to work autonomously, manage time effectively, and collaborate seamlessly within cross-functional teams. Preferred Skills:

• Experience with front-end deployment workflows and Continuous Integration/Continuous Deployment (CI/CD) pipelines.

• Familiarity with front-end performance optimization tools and techniques, such as Lighthouse.

• Experience with creating Claude Code skills, working with Multi-Cloud Platforms (MCPs), and understanding agentic workflows.

• Experience with existing component libraries and front-end frameworks for building scalable solutions.

📝 Enhancement Note: The requirement for a professional license for engineering degrees in Colombia is a critical detail for local candidates. The "nice to have" skills, particularly those related to AI and agentic workflows, suggest that HugeInc is at the forefront of integrating AI into its development practices, and candidates with this experience will be highly valued.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase at least 2-3 significant front-end projects demonstrating expertise in responsive design, accessibility, and performance optimization.

• Include examples of complex UI components, state management solutions, and client-side logic implemented across diverse projects.

• Provide clear documentation or explanations for the technical decisions made, including rationale for framework/library choices, CSS methodologies, and testing strategies.

• Highlight projects where collaboration with designers and backend engineers was critical, detailing your role and contributions.

• Demonstrate a commitment to code quality through examples of unit/functional tests and adherence to coding standards. Process Documentation:

• For each project in the portfolio, provide a brief overview of the development process, including:

  • Design translation and implementation workflow.

  • Testing methodologies employed (e.g., TDD, unit testing, integration testing).

  • Performance optimization strategies implemented (e.g., code splitting, lazy loading, image optimization).

  • Accessibility considerations and implementation details.

  • Collaboration and code review processes utilized.

📝 Enhancement Note: For a Senior UI Engineer role, a portfolio is crucial. It should not only display the final product but also the thought process, technical rigor, and collaborative approach behind it. The emphasis on "agentic workflows" and "AI-assisted QA" suggests that candidates who can demonstrate experience or understanding of these advanced processes in their portfolio will have a distinct advantage.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior UI Engineers in Colombia with 5-10 years of experience, the estimated annual salary range is between COP 70,000,000 to COP 120,000,000. This range can vary based on the candidate's specific skills, experience, and the outcomes of the interview process.

Benefits:

• Comprehensive health insurance coverage.

• Paid time off and holidays.

• Professional development opportunities, including training and conference attendance.

• Access to cutting-edge technologies and innovative projects.

• Remote work flexibility, allowing for a better work-life balance.

• Opportunities for career advancement within a global organization.

• Potential for participation in company-wide initiatives and knowledge-sharing sessions.

Working Hours: Standard full-time working hours are approximately 40 hours per week. While flexibility is provided for remote work, adherence to project deadlines and collaborative meeting schedules is expected.

📝 Enhancement Note: Salary estimates are based on research of similar Senior UI Engineer roles in Colombia, considering the cost of living and typical compensation for experienced tech professionals in the region. Benefits are standard for a global tech company, with a focus on professional growth and work-life balance.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, AI-Native Design, Digital Transformation. HugeInc operates at the intersection of creative technology and engineering, focusing on building resilient, enterprise-grade systems powered by AI. They are innovators, aiming to engineer intelligent systems that translate strategic visions into reality.

Company Size: Over 1,000 employees globally. This size indicates a well-established organization with robust processes, diverse teams, and ample opportunities for collaboration and career growth across various disciplines.

Founded: The founding date is not explicitly stated, but HugeInc is described as an established "independent, human-first AI-native design and technology company," suggesting a significant history and evolution in the digital space.

Team Structure:

• The Technology practice is global, comprising Engineers, QA specialists, Business Analysts, Data Scientists, and ML Architects.

• The Senior UI Engineer will likely be part of a project-based, cross-functional team, working closely with designers, other engineers, and potentially client stakeholders.

• Reporting structure is expected to be within the Engineering or Technology practice, with a lead or manager overseeing project delivery and individual development. Methodology:

• Data Analysis & Insights: The company emphasizes building "intelligent systems" and leveraging "modern data stacks," suggesting a data-driven approach to development and problem-solving.

• Workflow Planning & Optimization: Focus on "resilient, enterprise-grade systems" and "production-ready reality" implies a structured approach to workflow design, optimization, and scalability.

• Automation & Efficiency: The mention of "agentic AI" and engineering "intelligent systems" points towards a strong interest in automation and maximizing efficiency in development and deployment processes.

Company Website: http://hugeinc.com

📝 Enhancement Note: HugeInc's positioning as an "AI-native" company is a key differentiator. This suggests a culture that embraces innovation, cutting-edge technology, and a forward-thinking approach to problem-solving. The global presence and substantial employee count indicate a mature organization with established practices but also the potential for dynamic, project-driven environments.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as "Senior," indicating a level of expertise, autonomy, and potential for mentorship. A Senior UI Engineer is expected to lead complex front-end initiatives, contribute significantly to technical strategy, and guide junior engineers.

Reporting Structure: The Senior UI Engineer will likely report to an Engineering Lead or Manager within the Technology practice. They will collaborate extensively with UI/UX Designers, Product Managers, Backend Engineers, and potentially client-side technical leads.

Operations Impact: The Senior UI Engineer's work directly impacts the user experience and perceived quality of digital products. By building fast, accessible, and responsive interfaces, they contribute to client satisfaction, user engagement, and the overall success of projects, which in turn drives business value for HugeInc's clients.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific front-end frameworks, performance optimization, accessibility standards, or emerging AI-driven development tools.

• Leadership Development: Opportunities to mentor junior engineers, lead technical aspects of projects, and contribute to architectural discussions.

• Cross-functional Exposure: Gain experience working with AI/ML teams, data scientists, and business analysts, potentially leading to broader roles within the technology practice.

• Client Engagement: Develop stronger client-facing and presentation skills through direct collaboration and project delivery.

• Emerging Technologies: Engage with and contribute to projects involving cutting-edge technologies like agentic AI, which can open doors to specialized career paths.

📝 Enhancement Note: The "Senior" title implies a clear path for growth, either through deeper technical specialization or by moving into leadership roles. The company's focus on AI and advanced technologies offers unique opportunities for skill development beyond traditional UI engineering.

🌐 Work Environment

Office Type: This position is designated as "Remote Solely" within Colombia. This indicates a fully remote work environment with no requirement for in-office presence at a specific HugeInc location.

Office Location(s): While the role is remote within Colombia, HugeInc has global hub cities including Bogotá, Chicago, Ho Chi Minh City, London, Los Angeles, Medellín, New York, San Francisco, and Washington, DC. This global presence facilitates collaboration with diverse teams.

Workspace Context:

• Collaborative Environment: Despite being remote, the culture emphasizes collaboration through modern digital tools (Git, code reviews, communication platforms). Expect regular virtual meetings and team syncs.

• Tools and Technology: Access to industry-standard development tools, likely including sophisticated IDEs, version control systems, design collaboration platforms, and potentially AI-assisted development tools.

• Team Interaction: Opportunities for virtual team-building activities, knowledge-sharing sessions, and cross-functional project interactions to foster a sense of community and shared purpose.

Work Schedule: The standard working hours are approximately 40 hours per week. While remote, flexibility in daily scheduling is generally offered, provided that core collaboration hours and project deadlines are met. This allows for effective integration of personal needs with professional responsibilities.

📝 Enhancement Note: The "Remote Solely" designation within Colombia is a significant benefit for candidates seeking location flexibility. The company's global footprint means that while working remotely, the engineer will be part of a larger, interconnected global organization, likely leveraging advanced collaboration tools to bridge geographical distances.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will review your application and resume to assess basic qualifications and experience.

• Technical Interview(s): Expect one or more technical interviews focusing on core front-end concepts, problem-solving abilities, and your experience with specific technologies (HTML, CSS, JavaScript, TypeScript). This may include live coding exercises or discussions of past projects.

• Portfolio Review: A dedicated session to walk through your portfolio. Be prepared to discuss your design choices, technical implementations, challenges faced, and solutions developed for your showcased projects.

• Behavioral/Cultural Fit Interview: Assess your communication skills, collaboration style, ability to work independently, and alignment with HugeInc's values and culture. Questions will likely focus on past experiences dealing with clients, stakeholders, and cross-functional teams.

• Final Interview: May involve a senior leader or hiring manager to discuss overall fit, career aspirations, and confirm the role's scope.

Portfolio Review Tips:

• Structure: Organize your portfolio logically, highlighting key projects with clear titles, descriptions, and your specific role.

• Technical Depth: Be ready to deep-dive into the code, architecture, and technical challenges of your projects. Explain why you made certain choices.

• Process & Collaboration: Emphasize your development process, including how you translated designs, implemented accessibility, optimized performance, and collaborated with others.

• Metrics & Impact: Quantify your achievements whenever possible (e.g., "improved load time by X%", "achieved Y% Lighthouse score," "implemented accessibility features that benefited Z users").

• Client-Facing Examples: If possible, include examples or discuss experiences where you directly interacted with clients or stakeholders to gather requirements or present work.

Challenge Preparation:

• Coding Challenges: Practice common front-end coding challenges focusing on algorithms, data structures, and UI manipulation. Be comfortable with live coding environments.

• System Design (Front-end): Prepare to discuss how you would approach building a complex UI system, considering scalability, performance, and maintainability.

• Accessibility & Performance: Be ready to articulate best practices and demonstrate how you've addressed these in past projects.

• Collaboration Scenarios: Prepare examples of how you've handled disagreements with designers, resolved technical conflicts within a team, or managed client feedback.

📝 Enhancement Note: The portfolio review is a critical component for this role. Candidates should prepare a curated selection of projects that best represent their senior-level capabilities, particularly highlighting their ability to translate complex designs into high-quality, performant, and accessible user interfaces, and their experience with collaborative workflows.

🛠 Tools & Technology Stack

Primary Tools:

• Languages: HTML5, CSS3, JavaScript, TypeScript.

• CSS: SCSS, CSS Modules, CSS-in-JS.

• Testing Frameworks: Vitest, Jest, or similar.

• Version Control: Git.

• Build Tools/Bundlers: Potentially Webpack, Vite, or similar.

• Frameworks/Libraries: Experience with existing component libraries and front-end frameworks is expected (specifics may vary by project, but candidates should demonstrate adaptability).

Analytics & Reporting:

• Performance Monitoring: Lighthouse, WebPageTest, or similar tools for measuring front-end performance.

• Analytics Platforms: Familiarity with integrating with analytics tools (e.g., Google Analytics, Adobe Analytics) to track user behavior and performance metrics.

CRM & Automation:

• While not a core CRM role, understanding how front-end applications integrate with backend systems and APIs is crucial. Experience with RESTful APIs and understanding data flow is beneficial.

• CI/CD: Experience with deployment workflows and CI/CD processes is a plus.

📝 Enhancement Note: The core stack is well-defined. The emphasis on modern CSS practices and testing frameworks like Vitest indicates a focus on contemporary front-end development standards. The mention of "agentic AI" and "Claude Code skills" suggests potential future or ongoing work with AI-driven development tools and platforms, which candidates with such experience should highlight.

👥 Team Culture & Values

Operations Values:

• Human-First AI-Native: A core value that blends empathy and human-centered design with cutting-edge AI technology. This means focusing on user needs while leveraging advanced tech.

• Innovation & Rigor: A commitment to pushing boundaries with "innovation at the edge of agentic AI" while maintaining "deep engineering rigor" for "resilient, enterprise-grade systems."

• Collaboration & Transparency: Working closely with designers, clients, and cross-functional teams, and engaging in collaborative workflows like Git pull requests and code reviews.

• Quality & Performance: Dedication to building "production-ready reality" with a focus on fast, accessible, and optimized web experiences.

• Autonomy & Ownership: Encouraging individuals to work autonomously, prioritize work, and take ownership of their deliverables.

Collaboration Style:

• Cross-functional Integration: Seamless collaboration between engineering, design, and client teams is paramount, facilitated by open communication and shared understanding of project goals.

• Feedback Loops: A culture that values constructive feedback through code reviews, design critiques, and client iterations to ensure continuous improvement.

• Knowledge Sharing: Encouraging the sharing of best practices, new technologies, and lessons learned across teams and projects, likely through internal workshops, documentation, or dedicated channels.

📝 Enhancement Note: The "human-first AI-native" ethos is central. It suggests a company that balances technological advancement with a strong focus on user experience and ethical considerations, while also fostering a collaborative and empowering work environment for its employees.

⚡ Challenges & Growth Opportunities

Challenges:

• Translating Complex Designs: Effectively converting intricate, high-fidelity designs into functional, responsive, and performant code across diverse platforms and devices.

• Maintaining Accessibility Standards: Consistently ensuring all developed interfaces meet WCAG 2.1 AA standards, which requires diligent attention to detail and ongoing learning.

• Performance Optimization: Balancing rich user experiences with fast load times and efficient resource utilization, especially in complex applications.

• Integrating Emerging Technologies: Adapting to and potentially integrating newer AI-driven development tools or agentic workflows while maintaining stability and quality.

• Remote Collaboration: Effectively communicating and collaborating with globally distributed teams, ensuring alignment and shared understanding without physical proximity.

Learning & Development Opportunities:

• Advanced Front-end Techniques: Opportunities to explore and implement advanced JavaScript patterns, modern CSS features, and state management solutions.

• AI & Agentic Workflows: Exposure to and training on cutting-edge AI technologies, including Claude Code skills and agentic development paradigms.

• Performance & Accessibility Specialization: Developing deep expertise in optimizing web performance and implementing advanced accessibility solutions.

• Mentorship & Leadership: Opportunities to mentor junior engineers, lead technical discussions, and potentially step into team lead roles.

• Industry Conferences & Certifications: Support for attending relevant industry events and pursuing professional certifications to enhance skills and knowledge.

📝 Enhancement Note: The challenges are typical for a senior-level role in a forward-thinking tech company, particularly around balancing innovation with established quality standards. The growth opportunities are strongly tied to the company's AI focus, offering unique pathways for career development.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex UI component you built. What were the technical challenges, and how did you overcome them?" (Focus on problem-solving, technical depth, and process.)

• "How do you approach ensuring web accessibility (WCAG 2.1 AA) in your development process?" (Highlight specific techniques, tools, and your commitment to inclusivity.)

• "Walk us through your process for optimizing front-end performance. What metrics do you prioritize, and what strategies do you employ?" (Demonstrate analytical skills and practical optimization knowledge.)

• "Describe a situation where you had to collaborate closely with a designer to refine a feature. What was your approach, and what was the outcome?" (Showcase communication, collaboration, and client-facing skills.) Company & Culture Questions:

• "What interests you about HugeInc's 'human-first AI-native' approach?" (Research the company's philosophy and articulate how your values align.)

• "How do you stay updated with the latest front-end technologies and best practices?" (Demonstrate a commitment to continuous learning, especially relevant given the company's innovative nature.)

• "Describe your experience working in a remote, cross-functional team environment." (Highlight your ability to be autonomous yet collaborative.) Portfolio Presentation Strategy:

• Storytelling: For each project, tell a story: the problem, your solution, the technologies used, the challenges, and the impact.

• Code Walkthrough: Be prepared to share your screen and walk through key parts of your codebase, explaining your architectural decisions and coding patterns.

• Metrics Focus: Clearly present any performance, accessibility, or user engagement metrics achieved. If metrics aren't available, explain how you would measure success.

• Client/Design Collaboration: Illustrate how you worked with designers or stakeholders, showing examples of design iterations or feedback incorporation.

• Conciseness: Be mindful of time. Focus on the most impactful projects and aspects that align with the Senior UI Engineer role.

📝 Enhancement Note: The interview process emphasizes not only technical proficiency but also the candidate's ability to articulate their process, collaborate effectively, and contribute to a culture that blends human-centric design with advanced AI. A well-prepared portfolio presentation is key.

📌 Application Steps

To apply for this Senior UI Engineer position:

• Submit your application through the provided link on Greenhouse.

• Tailor your resume: Highlight your 5+ years of front-end development experience, emphasizing expertise in HTML5, CSS3, JavaScript, TypeScript, responsive design, and accessibility. Use keywords from the job description.

• Curate your portfolio: Select 2-3 of your strongest projects that showcase complex UI development, performance optimization, and accessibility. Prepare to discuss your technical decisions, process, and collaborative efforts.

• Prepare for technical and behavioral interviews: Practice coding challenges, be ready to discuss your portfolio in detail, and prepare examples that demonstrate your problem-solving, communication, and collaboration skills. Research HugeInc's AI-native approach and values.

• Review Colombian professional license requirements: If you hold an Engineering degree from Colombia, ensure you understand the requirements for presenting your professional license as detailed in the job description.

⚠️ 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.