Senior UI Engineer

📍 Job Overview

Job Title: Senior UI Engineer

Company: HugeInc

Location: Colombia

Job Type: Full-time

Category: Engineering / UI Development

Date Posted: 2026-04-27T19:55:13

Experience Level: 6+ Years

Remote Status: Fully Remote

🚀 Role Summary

• Lead the development of high-performance, cross-platform mobile applications using React Native, JavaScript, and TypeScript.

• Own the end-to-end engineering lifecycle for complex iOS and Android applications, ensuring architectural soundness and scalability.

• Integrate mobile front-ends with BFF (Backend-for-Frontend) and API service layers to optimize data flow and responsiveness.

• Act as a technical pillar and mentor for engineering teams, establishing coding standards and fostering a culture of continuous learning in mobile best practices.

📝 Enhancement Note: This role is positioned as a senior-level individual contributor with significant leadership and mentorship responsibilities within the engineering team, focusing on mobile UI development and cross-functional integration. The emphasis on "technical pillar" and "translator for clients" suggests a need for strong technical acumen combined with excellent communication skills to bridge business requirements with technical execution.

📈 Primary Responsibilities

• Drive the engineering of robust mobile applications for both iOS and Android platforms, ensuring high-fidelity performance and native-level fluidity.

• Lead the integration of the mobile front-end with BFF (Backend-for-Frontend) and API service layers, optimizing data flow and application responsiveness.

• Establish and enforce coding standards, lead rigorous code reviews, and implement common design patterns across multiple workstreams to ensure code quality and maintainability.

• Transition seamlessly from Proof of Concept (POC) to production-ready code, leveraging experimental insights to build stable, scalable, and efficient systems.

• Quickly identify architectural roadblocks and capability gaps, proposing alternative technical approaches to keep projects on track and meet business objectives.

• Partner with Strategy, Creative, and Client leads to translate complex business requirements into elegant, executable technical features, ensuring alignment between design and engineering.

• Act as a lead mentor for the engineering team, fostering a culture of continuous learning and adherence to mobile best practices and modern development methodologies.

• Stay at the forefront of the React Native ecosystem, advocating for the adoption of modern tools, frameworks, and libraries that enhance productivity and application quality.

📝 Enhancement Note: The responsibilities highlight a blend of hands-on technical execution, architectural leadership, and team mentorship. The emphasis on "BFF (Backend-for-Frontend)" integration, "modern tooling" like Metro bundler and Babel configuration, and "styling systems" like Nativewind or Tamagui indicates a need for deep expertise in current React Native development practices.

🎓 Skills & Qualifications

Education: Bachelor's degree in Engineering, Computer Science, or a related field. Professional engineering license may be required for candidates with an Engineering degree in Colombia.

Experience: 6+ years of professional engineering experience with a deep background in mobile development.

Required Skills:

• Mastery of React Native, JavaScript, and TypeScript for cross-platform mobile application development.

• Extensive experience deploying and supporting native applications on both the iOS App Store and Google Play Store.

• Strong experience with bare React Native workflows, including Metro bundler and Babel configuration.

• Proficiency with state management libraries such as Redux Toolkit and RTK Query.

• Proven experience with BFF architectures and integrating complex API layers.

• Experience building themed, high-fidelity UIs using modern styling systems like Nativewind or Tamagui.

• Proficiency with mobile CI/CD pipelines using tools such as Fastlane, GitHub Actions, TestFlight, and Firebase App Distribution.

• Skilled in mobile testing frameworks (Jest, Detox) and performance profiling to ensure optimal user experience.

• A strong appreciation for UX and UI design, with the ability to advocate for technical requirements that enhance design quality.

Preferred Skills:

• Bonus points for experience with Airship (push notifications) and Commerce/Payment integrations (Stripe, Apple Pay, Google Pay).

📝 Enhancement Note: The detailed technical requirements, including specific libraries (Redux Toolkit, RTK Query), styling systems (Nativewind, Tamagui), and CI/CD tools (Fastlane, GitHub Actions), are critical for candidates to highlight. The "bonus points" for payment integrations suggest a potential focus on e-commerce or transactional mobile applications. The requirement for a professional license in Colombia for engineering graduates is a specific compliance detail.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrations of complex, cross-platform mobile applications developed using React Native, showcasing architectural patterns and code quality.

• Case studies detailing the integration of mobile front-ends with BFF or API service layers, highlighting optimization strategies for data flow and responsiveness.

• Examples of establishing and enforcing coding standards, including contributions to code reviews and common design pattern implementation across projects.

Process Documentation:

• Workflow designs and optimization strategies for mobile CI/CD pipelines, including examples of automation using Fastlane and GitHub Actions.

• Documentation of testing strategies and performance profiling methodologies used to ensure a jank-free user experience, with examples from Jest or Detox implementations.

• Examples of UI theming and styling implementation using Nativewind or Tamagui, demonstrating the ability to translate design mockups into high-fidelity interfaces.

• Case studies detailing the technical challenges and solutions involved in integrating with commerce or payment systems (e.g., Stripe, Apple Pay, Google Pay), if applicable.

📝 Enhancement Note: While a formal "portfolio" might not be explicitly requested in the submission process, candidates should be prepared to discuss their past projects, code contributions, and technical decision-making processes. Focus should be on demonstrating hands-on experience with the specified technologies and methodologies, especially regarding performance, scalability, and integration.

💵 Compensation & Benefits

Salary Range: As this is a Senior UI Engineer role with 6+ years of experience, based in Colombia, the estimated annual salary range would typically fall between COP 80,000,000 and COP 150,000,000. This estimate considers the cost of living in Colombia, the demand for senior engineering talent with specialized skills in React Native, and industry benchmarks for similar roles.

Benefits:

• Comprehensive health insurance package.

• Opportunities for professional development and continuous learning.

• Access to modern technology and development tools.

• Collaborative and innovative work environment.

• Potential for career advancement within a growing technology company.

• Remote work flexibility.

Working Hours: Standard full-time commitment, typically around 40 hours per week, with flexibility often offered for remote roles. Specific working hours may be aligned with team collaboration needs and project deadlines.

📝 Enhancement Note: Salary is an estimate based on generalized market data for senior software engineering roles in Colombia. Actual compensation will depend on the candidate's specific experience, skill set, and negotiation. The benefits listed are typical for tech roles and should be confirmed with the employer. The "LI-POST" and "LI-Remote" tags suggest a focus on remote work.

🎯 Team & Company Context

🏢 Company Culture

Industry: Design and Technology. Huge Inc. operates at the intersection of creative design and cutting-edge technology, aiming to build innovative products and experiences.

Company Size: Approximately 1,000 employees globally, indicating a mid-to-large sized organization with established processes but still retaining agility.

Founded: Over 25 years ago, suggesting a stable company with a long history of adapting to technological advancements and market changes.

Team Structure:

• The engineering team likely comprises specialized groups focusing on different areas, such as mobile development, backend services, and potentially frontend web.

• This Senior UI Engineer will report into a Mobile Engineering Lead or Engineering Manager, overseeing a pod or squad of developers.

Methodology:

• Emphasis on experimentation and innovation, bridging "what if" with "here it is."

• Focus on architecting and scaling digital environments, suggesting a strong understanding of system design and performance.

• Data-driven decision-making is implied through the need for analytics and performance profiling.

• Agile methodologies are likely employed for rapid prototyping and iterative development.

Company Website: www.hugeinc.com

📝 Enhancement Note: The company culture is described as experimental and forward-thinking, with a strong emphasis on craft and innovation in technology. The size and age of HugeInc suggest a mature organization with established practices and a global presence, offering stability alongside opportunities for growth.

📈 Career & Growth Analysis

Operations Career Level: Senior Individual Contributor with Leadership. This role represents a senior position within the engineering hierarchy, focused on technical execution, architectural guidance, and mentorship rather than direct people management. The emphasis is on deep technical expertise in React Native and mobile development.

Reporting Structure: The Senior UI Engineer will likely report to an Engineering Manager or Director, and will collaborate closely with Product Managers, Designers, and other engineering teams (e.g., backend, platform). They will also mentor junior and mid-level engineers.

Operations Impact: The Senior UI Engineer's impact is critical in shaping the user experience of HugeInc's client-facing mobile applications. By ensuring high-fidelity performance, architectural soundness, and seamless integration, they directly contribute to client satisfaction, product quality, and the company's reputation for delivering cutting-edge digital solutions. Their work influences the success of products that drive client growth and brand engagement.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific areas of mobile development, such as performance optimization, advanced animation, or native module development.

• Architectural Leadership: Progress to roles like Lead Mobile Engineer, Staff Engineer, or Architect, influencing technical strategy across multiple projects or platforms.

• Mentorship & Team Lead: Transition into a formal team lead or management role, guiding and developing engineering teams.

• Cross-functional Expertise: Develop a broader understanding of product development, strategy, and design, potentially moving into product management or technical program management roles.

📝 Enhancement Note: The growth path for a Senior UI Engineer at HugeInc appears to lean towards deepening technical expertise and potentially moving into leadership roles, either technical or people management. The company's emphasis on innovation and experimentation suggests opportunities to work on cutting-edge projects.

🌐 Work Environment

Office Type: Fully Remote. This position is designated as remote within Colombia, offering flexibility and the ability to work from any approved location within the country.

Office Location(s): While the role is remote, the company has a global presence with offices in North America, Europe, and Latin America, indicating a diverse and distributed workforce.

Workspace Context:

• A fully remote setup implies a need for strong self-discipline, effective communication tools, and a dedicated home workspace.

• Collaboration will heavily rely on digital tools such as Slack, Zoom, Jira, and GitHub for communication, project management, and code sharing.

• The environment fosters innovation and experimentation, encouraging engineers to explore new technologies and approaches.

Work Schedule: Standard full-time hours (approximately 40 hours per week) are expected, with flexibility often built into remote roles. Key is consistent availability for team meetings, cross-functional collaboration, and timely project delivery. Syncing with teams in different time zones might be necessary.

📝 Enhancement Note: The fully remote nature of this role necessitates strong communication and self-management skills. Candidates should be comfortable working independently and collaborating effectively through digital channels.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Interview(s): In-depth discussions covering React Native, JavaScript, TypeScript, mobile architecture, state management, API integrations, and problem-solving scenarios. This may include live coding exercises or code review simulations.

• Portfolio Review/Technical Deep Dive: A session dedicated to discussing past projects, code samples, and technical decisions. Candidates will be expected to articulate their contributions, technical challenges, and solutions.

• Cross-functional/Behavioral Interview: Meeting with leads from Strategy, Creative, or Product to assess collaboration skills, communication style, and ability to translate business needs into technical requirements.

• Final Interview: May involve a senior leader or hiring manager to discuss overall fit, career aspirations, and final offer details.

Portfolio Review Tips:

• Showcase Key Technologies: Highlight projects that prominently feature React Native, TypeScript, Redux Toolkit, RTK Query, and modern styling systems (Nativewind, Tamagui).

• Detail Architectural Decisions: Be prepared to explain the reasoning behind architectural choices, especially regarding BFF integrations, state management patterns, and performance optimizations.

• Quantify Impact: Wherever possible, use metrics to demonstrate the impact of your work, such as improvements in app performance, reduction in bugs, or successful feature deployments.

• Explain Collaboration: Provide examples of how you collaborated with designers, product managers, and backend engineers to deliver features, emphasizing your communication skills.

• Code Quality: If sharing code samples, ensure they are well-documented, adhere to best practices, and showcase clean, maintainable code.

Challenge Preparation:

• React Native Problem Solving: Practice solving common React Native development challenges, such as performance bottlenecks, state synchronization issues, or complex UI implementations.

• API Integration Scenarios: Prepare to discuss how you would integrate with various API types, handle errors, and optimize data fetching.

• CI/CD Workflow Design: Be ready to outline a typical mobile CI/CD pipeline using tools like Fastlane and GitHub Actions, explaining each stage and its purpose.

• Testing Strategies: Understand and be able to articulate your approach to unit, integration, and end-to-end testing for mobile applications using frameworks like Jest and Detox.

📝 Enhancement Note: Candidates should prepare to demonstrate not only their technical proficiency but also their ability to communicate complex technical concepts and collaborate effectively with non-technical stakeholders. A strong portfolio, even if informal (e.g., GitHub profile, personal website), showcasing relevant projects is highly recommended.

🛠 Tools & Technology Stack

Primary Tools:

• React Native: The core framework for building cross-platform mobile applications.

• JavaScript & TypeScript: Essential languages for front-end and mobile development.

• Metro Bundler & Babel: Key tools for the React Native build process.

• State Management: Redux Toolkit and RTK Query for efficient data management.

• Styling Systems: Nativewind or Tamagui for building high-fidelity UIs.

Analytics & Reporting:

• Performance Profiling Tools: Integrated within React Native development tools or specific profiling libraries to identify and resolve performance issues.

• Testing Frameworks: Jest for unit and integration testing, Detox for end-to-end testing.

CRM & Automation:

• CI/CD Tools: Fastlane, GitHub Actions for automating build, test, and deployment processes.

• Distribution Platforms: TestFlight for iOS, Firebase App Distribution for Android, and potentially Airship for push notifications.

• Payment Integrations: Stripe, Apple Pay, Google Pay (preferred).

📝 Enhancement Note: Proficiency with the specified tools and technologies is paramount. Candidates should be ready to discuss their experience with each, including specific use cases and challenges encountered. The emphasis on modern tooling like Redux Toolkit, RTK Query, Nativewind, and Tamagui indicates a company that values up-to-date development practices.

👥 Team Culture & Values

Operations Values:

• Craftsmanship & Excellence: A commitment to building high-quality, performant, and visually appealing mobile applications.

• Innovation & Experimentation: Encouraging the exploration of new technologies and approaches to push the boundaries of digital experiences.

• Collaboration & Empathy: Working effectively with cross-functional teams and stakeholders, understanding diverse perspectives, and communicating with clarity.

• Continuous Learning: Staying ahead of the curve in the rapidly evolving mobile development landscape and sharing knowledge within the team.

• Problem Solving: A proactive approach to identifying and resolving technical challenges, finding elegant and efficient solutions.

Collaboration Style:

• Cross-functional Integration: Close partnership with Strategy, Creative, and Client Leads to ensure a holistic approach to product development.

• Mentorship & Knowledge Sharing: A culture where senior engineers actively mentor junior team members and best practices are shared openly.

• Agile & Iterative: Working in an agile manner, with frequent feedback loops and iterative development cycles to adapt to changing requirements.

• Data-Informed: Utilizing data from testing and performance profiling to guide development decisions and improvements.

📝 Enhancement Note: The company culture values high-quality technical output, innovation, and strong collaborative relationships. Candidates who demonstrate a passion for mobile development, a willingness to learn, and excellent teamwork skills will likely thrive here.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Native Performance with Cross-Platform Development: Ensuring that React Native applications deliver a truly native-like experience across both iOS and Android, especially for complex UIs and demanding features.

• Integrating with Diverse Backend Systems: Seamlessly connecting the mobile front-end with potentially complex BFF and API layers, optimizing for responsiveness and data efficiency.

• Keeping Pace with Evolving Technologies: The rapid evolution of React Native, its ecosystem, and mobile OS features requires continuous learning and adaptation.

• Translating Complex Requirements: Effectively bridging the gap between intricate business needs and elegant, implementable technical solutions, often requiring nuanced trade-offs.

Learning & Development Opportunities:

• Advanced React Native Techniques: Opportunities to master advanced concepts like native modules, performance optimization, and complex state management patterns.

• Exposure to Cutting-Edge Technologies: Working with emerging tools and frameworks within the mobile ecosystem.

• Mentorship Programs: Formal and informal opportunities to mentor junior engineers or be mentored by senior technical leaders.

• Cross-Functional Exposure: Gaining deeper insights into design, strategy, and client management through close collaboration.

• Potential for Technical Leadership: Growing into roles with greater influence on technical direction and team development.

📝 Enhancement Note: This role offers significant opportunities for technical growth for engineers passionate about mobile development. The challenges are inherent to senior-level roles in a dynamic tech environment, providing ample scope for skill enhancement and career advancement.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex cross-platform mobile feature you've developed using React Native. What were the key technical challenges, and how did you overcome them?" (Focus on technical execution, problem-solving, and code quality).

• "How do you approach integrating a mobile application with a BFF or complex API layer? What strategies do you use to ensure optimal performance and data flow?" (Focus on API integration, optimization, and system architecture).

• "Walk me through your process for establishing and enforcing coding standards and conducting code reviews within a mobile development team." (Focus on technical leadership, best practices, and team collaboration).

Company & Culture Questions:

• "How do you stay updated with the latest trends and best practices in the React Native ecosystem?" (Focus on continuous learning and industry awareness).

• "Describe a time you had to translate a complex technical decision or trade-off to a non-technical stakeholder. How did you ensure they understood?" (Focus on communication and collaboration skills).

• "How do you approach mentoring junior engineers and fostering a culture of learning within a team?" (Focus on leadership and team development).

Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, clearly outline the problem, your role and contributions, the technical solutions implemented (highlighting specific tools/libraries), the challenges faced, and the measurable outcomes or impact.

• Showcase Code Quality: If presenting code samples (e.g., via GitHub), ensure they are well-organized, commented, and demonstrate clean, maintainable code.

• Demonstrate Technical Depth: Be ready to dive deep into the technical intricacies of your projects, explaining architectural decisions, performance optimizations, and integration strategies.

• Highlight Collaboration: Explain how you worked with designers, product managers, and other engineers, emphasizing your communication and teamwork skills.

• Focus on Impact: Quantify your achievements whenever possible (e.g., performance improvements, successful feature launches, user adoption rates).

📝 Enhancement Note: Preparation should focus on articulating technical expertise, problem-solving abilities, and collaborative strengths. Candidates should be ready to speak confidently about their experience with the specific technologies mentioned in the job description and how they've applied them in real-world scenarios.

📌 Application Steps

To apply for this Senior UI Engineer position:

• Submit your application through the provided link on Greenhouse.

• Tailor Your Resume: Emphasize your experience with React Native, JavaScript, TypeScript, and the specific tools and libraries mentioned (Redux Toolkit, RTK Query, Nativewind, Tamagui, Fastlane, Jest, Detox). Quantify your achievements with metrics where possible, focusing on mobile development, UI engineering, and cross-platform solutions.

• Prepare Your Portfolio: Compile examples of your best work, such as links to apps you've developed on app stores, a GitHub profile showcasing relevant projects, or a personal website with case studies. Be ready to discuss your contributions, technical decisions, and the impact of your work.

• Research HugeInc: Understand the company's mission, design philosophy, and approach to technology. Familiarize yourself with their client work and company values to articulate your interest and cultural fit during interviews.

• Practice Technical Explanations: Rehearse explaining complex technical concepts, architectural decisions, and problem-solving approaches clearly and concisely, as you will likely face technical interviews and a portfolio review.

⚠️ 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.