Sr. UI Developer

📍 Job Overview

Job Title: Sr. UI Developer

Company: RainFocus

Location: Lehi, Utah, United States

Job Type: Full Time

Category: Front-End Development / Software Engineering

Date Posted: 2026-05-04

Experience Level: Senior (5-7+ years)

Remote Status: Remote OK

🚀 Role Summary

• Lead the architectural integrity and strategic direction of RainFocus's user interfaces, ensuring a high-quality attendee experience for diverse event formats.

• Drive innovation by evaluating and integrating new technologies and industry best practices to maintain a cutting-edge platform.

• Architect, scope, and develop new features to address complex business needs and technical gaps within the software suite.

• Mentor and elevate junior and mid-level developers through code reviews, paired programming, and fostering a culture of continuous improvement.

• Design and implement scalable, performant, and maintainable front-end systems using modern JavaScript/TypeScript frameworks.

📝 Enhancement Note: While the title is "Sr. UI Developer," the responsibilities heavily lean into Front-End Architecture and Technical Leadership, emphasizing strategic input, system design, and mentorship beyond typical UI development tasks. This role is critical for defining the technical direction of the user-facing aspects of the RainFocus platform.

📈 Primary Responsibilities

• Spearhead the design and implementation of robust, scalable theming solutions for enterprise white-labeling, enabling seamless brand identity integration for clients.

• Proactively identify and champion technical initiatives, collaborating with engineering guilds and promoting knowledge sharing across the development teams.

• Partner closely with Product Management and UX/UI Designers to translate product vision into scalable technical solutions and ensure seamless API integrations.

• Architect front-end systems using modern frameworks like React, Svelte, or Web Components, ensuring they meet global, enterprise-grade demands.

• Conduct thorough code reviews, provide constructive feedback, and engage in paired programming to elevate the technical capabilities of the development team.

• Optimize front-end performance and user experience by implementing best practices, including Core Web Vitals optimization.

• Contribute to the strategic planning of the core product's future, ensuring technical feasibility and alignment with business objectives.

• Manage technical debt effectively and advocate for responsible resource management within large-scale epic development.

📝 Enhancement Note: The emphasis on "Enterprise White Labeling & Theming" and "Architect Scalable Systems" indicates a significant focus on building flexible, reusable UI components and architectural patterns that can be customized by enterprise clients. This goes beyond standard UI implementation and requires a deep understanding of design system principles and scalable architecture.

🎓 Skills & Qualifications

Education: While no specific degree is listed, a Bachelor's degree in Computer Science, Engineering, or a related field is typically expected for senior-level roles requiring architectural expertise.

Experience: 5–7+ years of professional front-end development experience, with a strong preference for SaaS, enterprise, or high-traffic environments.

Required Skills:

• Expert-level proficiency in modern JavaScript/TypeScript.

• Advanced experience with React and/or Svelte.

• Deep understanding of advanced CSS/SASS architectures and responsive design principles.

• Proven experience architecting scalable, maintainable front-end systems.

• Strong knowledge of modern web standards, including Core Web Vitals optimization.

• Expertise in state management solutions such as Redux or React Context API.

• Demonstrated ability to mentor junior and mid-level developers through code reviews and guidance.

• Exceptional communication skills, capable of translating complex technical concepts to non-technical stakeholders and executive leadership.

Preferred Skills:

• Experience with Web Components.

• Familiarity with front-end testing frameworks (e.g., Jest, React Testing Library, Cypress).

• Experience with email templating and web page theming.

• Experience in client-facing conversations and strategic planning sessions.

• Ability to thrive in a fast-paced, agile, and evolving environment.

• Collaborative team player with a strong sense of ownership.

📝 Enhancement Note: The requirement for "Expert-level proficiency" in JavaScript/TypeScript and modern frameworks, coupled with the emphasis on architectural design and mentorship, positions this role as a senior individual contributor with significant technical leadership responsibilities. Candidates should be prepared to demonstrate deep technical knowledge and a strategic approach to front-end development.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase of complex front-end architecture designs, detailing decision-making processes and scalability considerations.

• Examples of reusable UI component libraries or design systems, highlighting their impact on development efficiency and brand consistency.

• Case studies demonstrating successful white-labeling or theming implementations for enterprise clients, detailing the technical approach.

• Projects that exhibit advanced state management strategies and performance optimization techniques (e.g., Core Web Vitals improvements).

Process Documentation:

• Documented examples of how you've architected and implemented scalable front-end systems, including workflow diagrams or technical specifications.

• Demonstrations of your code review process, highlighting how you provide constructive feedback and ensure code quality for team members.

• Examples of technical documentation for new features or architectural changes, emphasizing clarity for both technical and non-technical audiences.

• Case studies detailing the process of identifying and solving technical gaps within a software suite, from ideation to implementation.

📝 Enhancement Note: Given the senior and architectural nature of this role, a portfolio is crucial. It should not only showcase developed features but also the underlying architectural thinking, problem-solving methodologies, and leadership contributions, particularly in areas of scalability, maintainability, and client customization.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior UI Developers with 5-7+ years of experience in the Lehi, Utah area, a competitive annual salary range is estimated to be between $120,000 - $160,000. This estimate considers the high-demand skills in React, Svelte, TypeScript, and architectural leadership, as well as the cost of living in Utah.

Benefits:

• Competitive Compensation package.

• Immediately vested 401k with company match potential.

• Generous Paid Time Off (PTO) policy.

• Comprehensive health, dental, and vision insurance plans.

• Opportunities for professional development and continuous learning.

• A safe, collaborative, and growth-oriented work environment.

Working Hours: Standard full-time working hours are expected, approximately 40 hours per week. Flexibility may be offered, allowing for adjustment around core business hours to accommodate effective collaboration and personal needs, especially given the remote-friendly nature of the role.

📝 Enhancement Note: Salary estimation is based on aggregated data from industry salary reports (e.g., Glassdoor, LinkedIn Salary) for similar roles in the specified geographic region and experience level. The "immediately vested 401k" is a significant benefit that should be highlighted to candidates.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, specifically Event Technology/SaaS. RainFocus provides a platform for managing in-person, virtual, and hybrid events, catering to large-scale clients.

Company Size: Likely mid-sized to growing, indicated by the need for senior leadership roles and a focus on scaling. The company is actively hiring, suggesting growth and expansion.

Founded: Founded in 2016, RainFocus is a relatively established but still growing company, meaning it likely balances innovation with a structured approach to product development.

Team Structure:

• The Senior UI Developer will be a critical technical pillar within the engineering and branding teams.

• Expected to work closely with Product Management, UX/UI Designers, and Backend Engineering teams.

• Will likely lead or contribute significantly to technical guilds and cross-functional initiatives.

Methodology:

• Emphasis on innovation and evaluating new technologies points to an agile and forward-thinking development methodology.

• Proactive identification of technical gaps and architectural design suggests a structured approach to problem-solving and feature development.

• Collaboration with Product and Design indicates a user-centered design and development process.

• Focus on scalability and enterprise-grade demands implies adherence to robust software engineering principles.

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

📝 Enhancement Note: The "people first" company culture and the "FOCUS" values (Forward-Thinking, Optimistic, Customer-Centric, Unified, Stewards) are key cultural indicators. Candidates should look for roles that align with these values, especially "Forward-Thinking" and "Unified" for a senior technical contributor.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior-level role, often referred to as a Senior Front-End Engineer, Lead Front-End Developer, or Front-End Architect. It involves significant technical ownership, strategic input, and leadership in the UI domain.

Reporting Structure: The Senior UI Developer will likely report to an Engineering Manager, Director of Engineering, or Head of Frontend. They will work collaboratively with Product Managers and UX/UI Designers.

Operations Impact: This role directly impacts the user experience of the RainFocus platform, which is crucial for client adoption and retention. By ensuring a high-quality, scalable, and branded interface, the Senior UI Developer contributes significantly to client satisfaction and the platform's overall success, directly influencing revenue through client acquisition and retention.

Growth Opportunities:

• Technical Specialization: Deepen expertise in front-end architecture, specific frameworks (React, Svelte), or emerging web technologies.

• Leadership Path: Transition into a Tech Lead role, managing a team of front-end developers, or an Engineering Management track.

• Architectural Influence: Become a key decision-maker in defining the future technical direction of the platform's UI layer.

• Cross-functional Exposure: Gain deeper insights into product strategy, UX design, and backend systems through close collaboration.

• Mentorship & Training: Develop leadership and coaching skills by mentoring junior engineers.

📝 Enhancement Note: The role is positioned for individuals who want to be deep technical experts and leaders, rather than solely managers. Growth opportunities emphasize expanding technical influence and potentially moving into dedicated architectural or lead roles.

🌐 Work Environment

Office Type: While the role is listed as "Remote OK," RainFocus has a physical presence in Lehi, Utah. This suggests a hybrid work model is possible, allowing for remote work with occasional in-office collaboration, or a fully remote setup for eligible candidates.

Office Location(s): Lehi, Utah, United States. This location is part of Utah's tech corridor, known as Silicon Slopes.

Workspace Context:

• Remote work setup implies a need for strong self-discipline, effective communication tools, and a dedicated home office environment.

• Collaboration will heavily rely on digital tools like Slack, Zoom, Jira, and code repositories.

• The culture fosters high-trust stewardship, suggesting autonomy and responsibility in managing one's work.

• Opportunities for collaboration exist through virtual channels, technical guilds, and planned team meetings.

Work Schedule: Standard full-time hours (approx. 40 hours/week), with potential for flexibility. The emphasis on innovation and complex problem-solving may require focused deep work periods.

📝 Enhancement Note: The "Remote OK" status is a key differentiator. Candidates should clarify expectations regarding any required in-office presence or specific remote work policies. The Silicon Slopes environment is known for its tech-centric culture and growing talent pool.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Screening: A call with a Senior Engineer or Engineering Manager to dive deeper into technical skills, experience with specific technologies (React, Svelte, TypeScript), and architectural thinking.

• Portfolio Review & Technical Deep Dive: A session dedicated to walking through selected projects from your portfolio. Expect detailed questions about your architectural decisions, problem-solving approaches, challenges faced, and how you mentored others. This may include live coding or system design exercises.

• Cross-Functional Interview: Discussion with Product Management or UX/UI Design to assess collaboration skills, understanding of user needs, and ability to translate requirements into technical solutions.

• Final Interview: Often with a senior leader (e.g., VP of Engineering, CTO) to discuss strategic vision, leadership potential, cultural alignment, and overall fit for the company's mission.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 projects that best showcase your senior-level front-end architecture, leadership, and problem-solving skills. Prioritize examples demonstrating scalability, white-labeling, or complex state management.

• Focus on Architecture & Impact: For each project, clearly articulate the problem, your architectural solution, the technologies used, the challenges overcome, and the measurable impact (e.g., performance improvements, development efficiency gains, client satisfaction).

• Highlight Mentorship: Include examples of how you've guided or mentored other developers, perhaps by showcasing code review feedback or collaborative problem-solving sessions.

• Be Ready to Code: While not always a formal coding test, be prepared to whiteboard or discuss code snippets related to your portfolio projects.

• Tell a Story: Structure your portfolio presentation with a clear narrative for each project, emphasizing your role and contributions.

Challenge Preparation:

• System Design: Prepare to discuss how you would design scalable front-end systems, handle complex theming, or optimize for enterprise-level performance.

• Problem-Solving: Anticipate questions about how you've debugged complex issues, managed technical debt, or implemented challenging features.

• Mentorship Scenarios: Be ready to describe how you would approach mentoring a junior developer facing a specific technical challenge.

• Company Values: Align your responses with RainFocus's FOCUS values, demonstrating how you embody "Forward-Thinking," "Optimistic," "Customer-Centric," "Unified," and "Stewards."

📝 Enhancement Note: The portfolio review is a critical component for this senior technical role. Candidates should prepare to present their work not just as completed features, but as examples of architectural decision-making, technical leadership, and process-driven development.

🛠 Tools & Technology Stack

Primary Tools:

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

• React/Svelte: Primary JavaScript frameworks for building user interfaces. Candidates should have expertise in at least one, with familiarity in the other being a plus.

• CSS/SASS: For styling and layout. Advanced architecture understanding is key.

• Web Components: Potentially used for reusable, framework-agnostic components.

Analytics & Reporting:

• Core Web Vitals: Essential for understanding and optimizing front-end performance metrics.

• Browser Developer Tools: For debugging, performance profiling, and network analysis.

• Potential for analytics libraries: (e.g., Google Analytics, Amplitude) for tracking user behavior within the platform.

CRM & Automation:

• API Integrations: Experience integrating with backend APIs is critical.

• Version Control: Git is standard for code management and collaboration.

• Project Management Tools: Likely Jira or similar for task tracking and workflow management.

📝 Enhancement Note: Expertise in React and Svelte is highly valued. A strong understanding of CSS architecture and performance optimization (Core Web Vitals) is crucial. Familiarity with Web Components is a plus, especially for enterprise-level theming and white-labeling solutions.

👥 Team Culture & Values

Operations Values:

• Forward-Thinking: Embrace innovation, challenge the status quo, and continuously seek simpler, better solutions. Demonstrate a proactive approach to evaluating new technologies and improving existing processes.

• Optimistic: Assume positive intent, maintain a positive attitude when facing challenges, and strive to improve outcomes. Show adaptability and a growth mindset.

• Customer-Centric: Focus on delivering value and success for clients. Understand their needs and how technical solutions directly impact their experience and business goals.

• Unified: Work collaboratively as part of a team, supporting individual contributions to group efforts. Champion balance and effective teamwork.

• Stewards: Manage yourself and company resources responsibly within a high-trust environment. Demonstrate ownership and accountability.

Collaboration Style:

• Cross-functional Integration: Work seamlessly with Product Management, UX/UI Designers, and Backend Engineers to achieve shared goals.

• Knowledge Sharing: Actively participate in and contribute to technical guilds, code reviews, and knowledge-sharing sessions.

• Mentorship & Support: Foster a supportive environment where team members can learn from each other and grow technically.

• Open Communication: Engage in passionate debate to find the best solutions, followed by committed execution.

📝 Enhancement Note: Candidates should be prepared to articulate how their work and approach align with these specific company values. Demonstrating a proactive, collaborative, and solution-oriented mindset will be key to cultural fit.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Innovation with Stability: Integrating new technologies while maintaining the stability and performance of a large-scale SaaS platform.

• Enterprise Customization Complexity: Architecting flexible theming and white-labeling solutions that cater to diverse enterprise brand requirements without compromising code maintainability.

• Mentoring Diverse Skill Levels: Effectively guiding and elevating developers with varying levels of experience and technical backgrounds.

• Keeping Pace with Evolving Web Technologies: Continuously learning and adapting to the rapid advancements in front-end frameworks, tools, and best practices.

• Managing Technical Debt: Proactively identifying and addressing technical debt in a growing, dynamic codebase.

Learning & Development Opportunities:

• Advanced Architectural Training: Opportunities to deepen expertise in front-end architecture patterns, design systems, and performance optimization.

• Exposure to Emerging Technologies: Work with and evaluate cutting-edge front-end frameworks and tools.

• Leadership Development: Gain experience in leading technical initiatives, mentoring teams, and influencing product roadmaps.

• Industry Conferences & Certifications: Potential support for attending relevant industry events or pursuing certifications.

• Cross-functional Project Involvement: Deepen understanding of product strategy and business objectives through collaboration.

📝 Enhancement Note: The role presents significant opportunities for growth by tackling complex architectural challenges and contributing to the strategic direction of a growing SaaS product. Candidates should view these challenges as opportunities to develop new skills and advance their careers.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to architect a complex front-end system from scratch. What were your key considerations for scalability, maintainability, and performance?" (Focus on architectural decision-making, trade-offs, and process.)

• "How would you approach building a robust white-labeling or theming solution for enterprise clients on our platform? What are the main technical hurdles you foresee?" (Demonstrate understanding of customization, scalability, and client needs.)

• "Tell me about a time you mentored a junior developer through a challenging technical problem. What was your approach, and what was the outcome?" (Highlight your mentorship style, patience, and ability to foster growth.)

Company & Culture Questions:

• "How do you embody RainFocus's 'Forward-Thinking' value in your day-to-day work?" (Connect your actions to the company's core values.)

• "Describe a situation where you had to collaborate with non-technical stakeholders (e.g., Product, Design) to deliver a technical solution. How did you ensure clear communication and alignment?" (Assess your communication and cross-functional collaboration skills.)

Portfolio Presentation Strategy:

• Start with the 'Why': Clearly articulate the business problem or user need each project addressed.

• Detail the 'How': Explain your architectural approach, the specific technologies and patterns used, and why you made those choices. Use diagrams if helpful.

• Showcase 'Impact': Quantify the results wherever possible (e.g., performance improvements, development time saved, client satisfaction metrics).

• Highlight Leadership & Mentorship: Weave in examples of your contributions to team growth, code quality, or technical decision-making.

• Be Prepared for Deep Dives: Anticipate detailed questions about any aspect of your portfolio projects.

📝 Enhancement Note: Prepare specific examples that align with the job description's emphasis on architecture, innovation, mentorship, and enterprise solutions. Be ready to discuss your thought process and decision-making critically.

📌 Application Steps

To apply for this Sr. UI Developer position:

• Submit your application through the provided link on jobs.lever.co.

• Curate Your Portfolio: Select 2-3 key projects that best demonstrate your expertise in front-end architecture, modern JavaScript frameworks (React/Svelte), scalability, and mentorship. Focus on projects that highlight your ability to solve complex problems and deliver high-quality user experiences.

• Tailor Your Resume: Emphasize your 5-7+ years of experience, specific technical proficiencies (JavaScript, TypeScript, React, Svelte, CSS/SASS, Core Web Vitals), and any experience with enterprise-level theming or white-labeling. Quantify achievements where possible.

• Prepare Your Portfolio Presentation: Practice walking through your selected projects, clearly articulating your role, architectural decisions, challenges, and the impact of your work. Be ready to discuss your mentorship approach.

• Research RainFocus: Understand their product, target market (event technology), and company values (FOCUS). Prepare to discuss how your skills and approach align with their mission and culture.

⚠️ 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.