Senior UI Engineer

📍 Job Overview

Job Title: Senior UI Engineer

Company: HugeInc

Location: Colombia

Job Type: Full-Time

Category: Engineering - Front-End / UI Development

Date Posted: April 02, 2026

Experience Level: 5-10 Years

Remote Status: Fully Remote

🚀 Role Summary

• Spearhead the development of modern, interactive, and data-driven websites and web applications, ensuring a high-quality user experience.

• Provide critical front-end technical guidance and estimations to cross-functional teams, including UX designers and Product Managers, influencing feature feasibility and project timelines.

• Collaborate extensively with senior engineering peers to architect and implement advanced dynamic web applications, integrating seamlessly with complex digital marketing stacks and client systems.

• Drive the adoption of development best practices, including specification design, code reviews, object-oriented development, and comprehensive documentation to maintain software quality and maintainability.

• Lead large-scale, complex projects from conception through to post-launch improvements, demonstrating strong project ownership and technical leadership.

📝 Enhancement Note: While the job title is "Senior UI Engineer," the responsibilities and required skills lean heavily into full-stack front-end development with a strong emphasis on modern JavaScript frameworks, API integrations, and complex application architecture. The role requires not just coding but also significant technical leadership, mentorship, and cross-functional collaboration, indicating a senior-level individual contributor role with substantial influence on project direction and technical standards. The mention of "digital marketing stacks" and "client systems" suggests a consultative or agency-like environment where the UI Engineer will work on diverse projects for various clients.

📈 Primary Responsibilities

• Architect, develop, and implement cutting-edge, interactive websites and dynamic web applications using HTML5, CSS3, TypeScript, and modern JavaScript frameworks (React, Vue, Web Components).

• Lead technical discussions and provide clear, concise feasibility assessments and effort estimations to UX, Product Management, and other stakeholders, enabling informed decision-making.

• Drive collaboration with internal teams (UX, QA, Product) to meticulously design, develop, test, and troubleshoot advanced, accessible, and W3C-compliant web applications.

• Ensure seamless integration with existing client systems, third-party web service APIs, and modern digital marketing technology stacks.

• Champion and enforce development standard methodologies, including rigorous specification design/review, object-oriented principles, inline code commenting, and thorough documentation.

• Thrive in an agile, rapid development, and prototyping environment, adapting quickly to evolving project requirements and client needs.

• Take ownership of and provide technical leadership for large, complex, and high-impact projects across the company, ensuring successful delivery.

• Guide, mentor, and coach junior team members, fostering their technical growth and ensuring adherence to Hero Digital’s quality and architectural standards.

• Engage directly with clients to understand their needs for post-launch improvements, enhancements, and ongoing application support.

• Effectively collaborate with distributed teams across multiple geographic locations, including nearshore and offshore partners, ensuring alignment and efficient communication.

• Actively participate in the design and implementation of comprehensive test plans with the QA team, resolving defects and upholding the highest standards of software quality.

• Provide essential application support, including in-depth problem research, analysis, resolution, and participating in on-call rotations as necessary.

📝 Enhancement Note: The responsibilities highlight a significant leadership component for a Senior UI Engineer, extending beyond typical front-end tasks to include project ownership, client interaction, and mentorship. This suggests the role is pivotal in driving technical excellence and fostering a collaborative engineering culture within the team.

🎓 Skills & Qualifications

Education: BS/BA in Computer Science or equivalent professional experience. For candidates with an Engineering degree or related profession, a professional license from relevant Colombian professional councils (e.g., COPNIA, Consejo Profesional) is required.

Experience: 3+ years of professional experience in front-end development, with a strong focus on modern JavaScript ecosystems and UI engineering. Proven track record of leading and delivering complex web application projects.

Required Skills:

• 3+ years of professional experience with TypeScript and modern JavaScript (ES6+).

• Demonstrated expertise in modern UI frameworks such as React, Vue, or Web Components.

• Proven experience with Motion Design principles and implementation.

• Advanced proficiency in modern CSS, including Tailwind CSS, CSS custom properties, and container queries, with a preference for avoiding preprocessor dependencies.

• Hands-on experience building and working within token-based design systems.

• Proficiency in using Figma for design collaboration and handoff.

• Demonstrated ability to build WCAG 2.2–compliant, accessible interfaces.

• Experience integrating with CMS platforms (e.g., Contentstack) or consuming data from REST/GraphQL APIs.

• Familiarity with modern front-end build tooling (e.g., Vite) and quality assurance tools (e.g., Playwright, Vitest).

• Understanding and practical application of CI/CD pipelines for front-end development.

• Experience with Core Web Vitals optimization for performance.

• Active and proficient use of AI-assisted development tools (e.g., Claude Code, Gemini, Copilot), with a critical eye for output quality.

Preferred Skills:

• Experience with scripting languages like Node.js or Python.

• Familiarity with animation libraries for rich interactive experiences.

• Experience with Contentstack CMS.

📝 Enhancement Note: The emphasis on WCAG compliance, token-based design systems, and Figma indicates a strong focus on design systems thinking and accessibility, which are critical for enterprise-level UI development. The requirement for AI tool proficiency signals a forward-thinking development team embracing new technologies. The specific mention of Colombian professional licensing highlights a regulatory requirement for engineering roles in Colombia.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrations of complex, interactive web applications built with modern JavaScript frameworks (React, Vue).

• Case studies showcasing the implementation of token-based design systems and their impact on consistency and scalability.

• Examples of WCAG 2.2–compliant interfaces, clearly articulating the accessibility considerations and implementation details.

• Projects involving integration with CMS platforms or consumption of REST/GraphQL APIs, highlighting data handling and presentation.

Process Documentation:

• Showcase examples of how you approach technical documentation, including specifications, inline comments, and design/review processes.

• Illustrate your experience working within agile methodologies, including sprint planning, daily stand-ups, and retrospectives.

• Provide examples of how you collaborate with QA to define test plans and ensure software quality.

📝 Enhancement Note: A strong portfolio is crucial for this role, demonstrating not just coding ability but also an understanding of design systems, accessibility, performance, and API integration. Candidates should be prepared to discuss the processes behind their project work, particularly how they ensured quality, collaboration, and adherence to standards.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior UI Engineers with 5-10 years of experience in a remote capacity within Colombia, the estimated annual salary range is between COP 90,000,000 and COP 140,000,000. This range can vary based on specific skills, experience, and interview performance.

Benefits:

• Competitive salary and potential for performance-based bonuses.

• Comprehensive health insurance coverage.

• Opportunities for professional development, including training, certifications, and conference attendance.

• Paid time off, including vacation, sick leave, and public holidays.

• Access to modern development tools and technologies, including AI-assisted coding tools.

• Collaborative and inclusive work environment with opportunities for career advancement.

• Remote work flexibility within Colombia.

Working Hours: Standard full-time work hours are expected, typically around 40 hours per week. While remote, adherence to core business hours for collaboration with teams across different time zones may be required. Flexibility may be offered based on team needs and project demands.

📝 Enhancement Note: The salary estimate is based on research of senior-level software engineering roles in Colombia, factoring in the demand for specialized UI/front-end skills and the remote work arrangement. Benefits listed are standard for comparable roles in the tech industry, with a focus on professional growth and work-life balance.

🎯 Team & Company Context

🏢 Company Culture

Industry: Design and Technology. Huge Inc. operates at the intersection of digital product design, technology, and marketing, creating innovative solutions for global brands.

Company Size: Approximately 1,000 employees. This size suggests a well-established organization with robust processes, but still agile enough to foster innovation and offer individual impact.

Founded: Over 25 years ago. This extensive history indicates stability, deep industry expertise, and a proven track record in delivering world-class digital products and experiences.

Team Structure:

• The UI Engineering team is likely part of a larger Engineering or Digital Product division.

• Senior Engineers are expected to collaborate closely with UX Designers, Product Managers, and other Senior Engineers.

• The team structure supports cross-functional collaboration across multiple geographic locations, including nearshore and offshore partners.

Methodology:

• Data-Driven Development: Emphasis on building data-driven web applications and optimizing for metrics like Core Web Vitals.

• Agile & Iterative: Work is conducted in an agile, rapid development, and prototyping environment, requiring adaptability and quick iteration.

• Human-Centric Design: Focus on "designing experiences for people, not users," implying a deep consideration for user empathy and needs.

• Innovation & Emerging Tech: Embraces emerging technologies and proprietary platforms (like LIVE) to unlock new growth opportunities.

Company Website: www.hugeinc.com

📝 Enhancement Note: Huge Inc.'s long history and focus on "designing experiences for people" suggest a culture that values deep user understanding, creative problem-solving, and high-quality execution. The emphasis on emerging technologies and proprietary platforms indicates an environment that encourages innovation and continuous learning.

📈 Career & Growth Analysis

Operations Career Level: Senior UI Engineer. This level signifies a highly experienced individual contributor responsible for technical leadership, complex problem-solving, and mentoring junior team members. The role is pivotal in translating design concepts into robust, performant, and accessible web applications.

Reporting Structure: The Senior UI Engineer will report to a senior engineering leader (e.g., Engineering Manager, Director of Engineering). They will work closely with UX designers, product managers, and fellow senior engineers, forming a core part of project teams. Collaboration extends to distributed teams, requiring strong communication skills across different locations and time zones.

Operations Impact: The Senior UI Engineer's impact is significant, directly influencing the quality, performance, accessibility, and user experience of digital products for Fortune 500 companies. Their work underpins client success by delivering modern, interactive websites and applications that drive engagement and achieve business objectives. Their technical guidance shapes project direction and ensures the successful implementation of complex digital marketing stacks.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific UI frameworks, performance optimization, accessibility standards, or emerging front-end technologies.

• Leadership Development: Transition into roles like Tech Lead, Engineering Manager, or Architect, taking on greater responsibility for team direction and project strategy.

• Cross-Functional Expertise: Gain exposure to broader aspects of product development, including back-end integration, DevOps practices, and client-facing consulting.

• Mentorship & Knowledge Sharing: Formalize mentoring relationships and contribute to internal knowledge-sharing initiatives, becoming a subject matter expert.

• Client Engagement: Develop stronger client-facing skills and take on more direct client interaction and consulting roles.

📝 Enhancement Note: The "Senior" title combined with responsibilities like leading large projects and mentoring junior staff points to a clear career path for growth within Huge Inc., either through deepening technical expertise or moving into management and leadership roles.

🌐 Work Environment

Office Type: Fully Remote within Colombia. This offers significant flexibility and autonomy to employees, allowing them to work from their preferred location within the country.

Office Location(s): Remote within Colombia. Employees are not tied to a specific physical office, enabling a distributed workforce.

Workspace Context:

• Collaborative Digital Space: The remote environment necessitates strong reliance on digital collaboration tools (e.g., Slack, Teams, video conferencing) for seamless teamwork.

• Access to Tools & Technology: Engineers will have access to modern development environments, AI-assisted tools, and robust cloud infrastructure to support their work.

• Team Interaction: While remote, opportunities for team interaction will be facilitated through regular virtual meetings, project-specific collaborations, and potentially virtual team-building events. The focus is on effective communication and connection despite physical distance.

Work Schedule: While the role is full-time (approximately 40 hours/week), the remote nature may offer some flexibility in daily scheduling, provided core collaboration hours are met and project deadlines are achieved. Expect a dynamic schedule that adapts to project needs and client requirements.

📝 Enhancement Note: The fully remote nature within Colombia is a key aspect of the work environment, emphasizing digital collaboration and self-management. Candidates should be comfortable and effective working autonomously and communicating proactively in a virtual setting.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will conduct an initial phone screen to assess basic qualifications, experience, and cultural fit.

• Technical Assessment: This may involve a coding challenge (e.g., live coding session, take-home assignment) focusing on JavaScript, UI frameworks, and problem-solving skills. Expect challenges related to component design, state management, or API integration.

• Portfolio Review & Technical Deep Dive: A session dedicated to discussing your portfolio. Be prepared to walk through your projects, explain your technical decisions, discuss challenges faced, and articulate the impact of your work. Expect in-depth questions about your approach to accessibility (WCAG), design systems, and performance optimization.

• Cross-Functional Collaboration Interview: An interview with team members from UX, Product, or other engineering disciplines to assess collaboration style, communication skills, and ability to work in an agile, iterative environment.

• Final Interview: A meeting with a senior leader to discuss your overall fit, career aspirations, and alignment with Huge Inc.'s values and mission.

Portfolio Review Tips:

• Curate Strategically: Select 3-4 of your strongest projects that best showcase the required skills: modern JS frameworks, motion design, CSS proficiency, design systems, WCAG compliance, and API integrations.

• Structure Your Case Studies: For each project, clearly outline the problem, your role and contributions, the technologies used, the challenges encountered, your solutions, and the measurable outcomes or impact.

• Highlight Technical Decisions: Be ready to defend your architectural choices, framework selections, and implementation strategies. Explain why you made certain decisions.

• Demonstrate Process: Showcase your understanding of agile methodologies, collaboration with designers/QA, and your approach to writing clean, maintainable, and well-documented code.

• Quantify Impact: Where possible, use metrics to illustrate the success of your work (e.g., performance improvements, conversion rate increases, user satisfaction scores).

• Prepare for Live Demos: If applicable, have projects readily accessible and functional for potential live demonstrations.

Challenge Preparation:

• Core JavaScript & Frameworks: Refresh your knowledge of fundamental JavaScript concepts, asynchronous programming, and the specific frameworks mentioned (React, Vue, Web Components).

• CSS & Styling: Practice advanced CSS techniques, including Flexbox, Grid, custom properties, and responsive design principles. Understand how to implement and work with utility-first CSS frameworks like Tailwind.

• Accessibility (WCAG): Familiarize yourself with WCAG 2.2 guidelines and common accessibility patterns (ARIA roles, semantic HTML, keyboard navigation). Practice implementing accessible components.

• API Consumption: Prepare to demonstrate how you fetch, process, and display data from RESTful or GraphQL APIs.

• Problem-Solving Scenarios: Anticipate questions that require you to break down complex UI problems, consider edge cases, and propose efficient, scalable solutions.

📝 Enhancement Note: The interview process emphasizes a candidate's ability to not only code but also to articulate their thought process, collaborate effectively, and demonstrate a deep understanding of modern front-end development principles, including accessibility and performance, which are critical for enterprise-level projects.

🛠 Tools & Technology Stack

Primary Tools:

• JavaScript/TypeScript: Core language for all front-end development.

• Modern UI Frameworks: React, Vue, or Web Components for building interactive user interfaces.

• CSS Frameworks/Methodologies: Tailwind CSS for efficient styling, experience with custom properties and container queries.

• Design Collaboration Tool: Figma for seamless handoff from design to development.

• Build Tools: Vite for fast build processes.

• Testing Frameworks: Playwright for end-to-end testing, Vitest for unit and integration testing.

• AI-Assisted Development: Claude Code, Gemini, Copilot for enhanced coding efficiency.

Analytics & Reporting:

• Performance Monitoring: Tools and techniques for optimizing Core Web Vitals and overall application performance.

• CI/CD Pipelines: Familiarity with continuous integration and continuous deployment processes for front-end applications.

CRM & Automation:

• API Integration: Experience with REST and GraphQL APIs for data fetching and interaction.

• CMS Platforms: Familiarity with Contentstack or similar content management systems.

📝 Enhancement Note: The technology stack is modern and focused on efficiency and developer experience, leveraging tools like Vite, Playwright, and AI assistants. Proficiency in these tools will be a significant advantage.

👥 Team Culture & Values

Operations Values:

• Innovation & Forward-Thinking: Embracing emerging technologies and proprietary platforms to create cutting-edge solutions.

• User-Centricity: A commitment to "designing experiences for people, not users," emphasizing empathy and deep understanding of human needs.

• Collaboration & Teamwork: Fostering a positive attitude, dedication to teamwork, and cross-functional collaboration across diverse teams and geographies.

• Quality & Excellence: Upholding high standards in development, accessibility (WCAG), and W3C compliance to deliver world-class technologies.

• Inclusivity & Diversity: Committed to creating an inclusive employee experience where everyone feels free to be their authentic self, valuing diversity in all its forms.

Collaboration Style:

• Agile & Iterative: Working within a fast-paced, iterative environment that encourages rapid development and prototyping.

• Cross-Functional Integration: Close collaboration with UX designers, product managers, QA engineers, and other senior engineers to achieve project goals.

• Open Communication: Encouraging clear communication and feedback exchange across distributed teams, ensuring alignment and efficient problem-solving.

• Mentorship-Driven: A culture where senior team members actively guide and mentor junior colleagues, fostering collective growth and knowledge sharing.

📝 Enhancement Note: The company culture prioritizes innovation, user empathy, and inclusivity, supported by a collaborative and agile work environment. Senior engineers are expected to embody these values and contribute to a positive team dynamic.

⚡ Challenges & Growth Opportunities

Challenges:

• Managing Diverse Client Projects: Adapting to the varied needs and technical stacks of Fortune 500 clients, requiring flexibility and broad technical knowledge.

• Leading Complex Initiatives: Taking ownership of large-scale projects with multiple dependencies and stakeholders, demanding strong leadership and problem-solving skills.

• Maintaining High Standards in Remote Teams: Ensuring consistent quality, communication, and collaboration across distributed teams with varying time zones and working styles.

• Integrating Emerging Technologies: Staying abreast of and integrating new tools and techniques (like AI-assisted development) effectively into existing workflows.

Learning & Development Opportunities:

• Advanced Framework Specialization: Opportunities to deepen expertise in specific front-end frameworks, state management solutions, or micro-frontend architectures.

• Performance & Accessibility Mastery: Focused training and project work to become a subject matter expert in Core Web Vitals optimization and advanced WCAG compliance.

• Technical Leadership Training: Development programs focused on effective mentoring, technical strategy, and project leadership.

• Exposure to Diverse Technologies: Working with a broad range of client systems, APIs, and digital marketing technologies, expanding your technical toolkit.

• Client Consulting Skills: Developing skills in client communication, requirement gathering, and presenting technical solutions to non-technical stakeholders.

📝 Enhancement Note: This role offers significant opportunities for growth by tackling complex challenges and engaging with diverse technologies and client needs, supported by structured learning and development initiatives.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex web application you led the development of. What were the key challenges, your architectural decisions, and the impact on the business?" (Focus on leadership, technical depth, and quantifiable results).

• "How do you ensure accessibility (WCAG 2.2 compliance) in your front-end development process, especially when working with complex designs and dynamic content?" (Highlight your process, specific techniques, and tools).

• "Walk me through your experience with token-based design systems. How do you collaborate with designers using tools like Figma to implement and maintain them effectively?" (Emphasize collaboration, system thinking, and practical implementation).

• "How do you approach performance optimization for a web application? Discuss your experience with Core Web Vitals and tools like Vite." (Demonstrate understanding of performance metrics and optimization strategies).

Company & Culture Questions:

• "What interests you about Huge Inc. and our approach to 'designing experiences for people'?" (Research the company's mission, values, and recent work).

• "How do you contribute to a positive and inclusive team environment, especially in a remote setting?" (Reflect on your collaboration style and commitment to diversity).

Portfolio Presentation Strategy:

• Storytelling: Frame your portfolio projects as narratives. Start with the problem, detail your journey and solutions, and conclude with the impact.

• Technical Depth: Be prepared to dive deep into specific code implementations, architectural patterns, and technology choices. Explain the "why" behind your decisions.

• Visual Aids: Use clear, concise slides or live demos that highlight the user interface, key features, and technical aspects of your projects.

• Focus on Collaboration: Explicitly mention how you worked with designers, product managers, and other engineers.

• Quantify Achievements: Whenever possible, present data and metrics to support the success and impact of your contributions.

📝 Enhancement Note: Candidates should prepare to articulate their technical expertise through their portfolio, demonstrating not just coding skills but also strategic thinking, problem-solving abilities, and a collaborative mindset aligned with Huge Inc.'s values.

📌 Application Steps

To apply for this Senior UI Engineer position:

1. Submit Your Application: Complete the application form through the provided link on the Greenhouse platform.

2. Tailor Your Resume: Optimize your resume to highlight your experience with TypeScript, modern JavaScript frameworks (React, Vue), Motion Design, CSS proficiency (Tailwind), WCAG compliance, API integrations, and any AI-assisted development tool usage. Quantify achievements wherever possible.

3. Prepare Your Portfolio: Curate a portfolio that showcases 3-4 of your strongest projects. Ensure these projects demonstrate the required skills, with clear case studies detailing your role, technical approach, challenges, and outcomes. Be ready to present and discuss these projects in detail.

4. Research Huge Inc.: Familiarize yourself with Huge Inc.'s mission, values, client work, and approach to design and technology. Understand their commitment to user-centricity and inclusivity.

5. Practice Interview Questions: Prepare responses to common technical, behavioral, and situational interview questions, focusing on your experience with complex projects, collaboration, problem-solving, and your understanding of front-end best practices.

⚠️ 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.

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