Caitlyn Carmabella Nayeli

Espoo, Finland
caitlyn.c.nayeli@gmail.com | carmabella.com | linkedin.com/in/caitlyn-carmabella

Professional Summary

Full-Stack Engineer and UX Designer who ships fast. Proven track record of delivering solutions that outperform traditional agency work—redesigning complex platforms in days rather than months. Specializes in accessible, user-centered experiences with expertise in React, Node.js, PostgreSQL, and TypeScript. Currently expanding skills through Bachelor's studies while available for remote freelance and full-time opportunities.

Suomeni ei ole vielä kovin hyvää, mutta opiskelen ja parannan aktiivisesti.

Skills

UX/Design: User Experience Design • UI Design • Wireframing • Prototyping • User Research • Usability Testing • Accessibility • Responsive Design

Development: JavaScript • TypeScript • React • Next.js • HTML • CSS • Tailwind CSS • SQL • MariaDB • Git • API Integration

Technology selection based on project needs: vanilla JavaScript for simpler implementations and maintainability; React/Next.js for complex, dynamic applications requiring component architecture, Vue if the approach needs more streamlined UI.

Tools & Platforms: Figma • FigJam • Adobe Suite • Canva • Miro • PyCharm • Jira • Slack • Google Analytics

Professional Experience

Contract Web Developer | Divergent Realms 

May 2025 - Present

  • Redesigned and developed two-sided e-commerce marketplace connecting neurodivergent TTRPG players with professional game masters

  • Rebuilt homepage in 5 hours that outperformed previous agency's 3-month, $3,000+ version in A/B testing

  • Created three distinct user journey paths to serve different discovery and booking needs through user-centered design

  • Migrated from WordPress to Squarespace, implementing custom booking systems, payment flows, and maintaining SEO rankings

  • Provide ongoing technical consultation and optimization based on user feedback

  • Developed interactive Easter egg feature (dungeon-crawl text adventure) using advanced JavaScript and DOM manipulation

Technologies: Squarespace, JavaScript, HTML/CSS, Figma

Freelance Web Developer & Designer

July 2023 - Present

  • Managed 4+ client projects simultaneously, delivering end-to-end full-stack solutions from user research through deployment

  • Transformed disorganized websites into fully functional, user-centered digital experiences through iterative UX redesigns

  • Implemented responsive designs using React, JavaScript, and modern CSS frameworks ensuring cross-device compatibility

  • Optimized site performance and SEO during platform migrations, maintaining search rankings and improving load times

  • Integrated APIs and managed databases using SQL to deliver dynamic, data-driven user experiences

  • Applied UX best practices and WCAG accessibility standards to optimize user engagement and site usability

  • Utilized version control (Git) for all projects to maintain code quality and enable collaboration

Featured Projects:

Meeplr Tabletop Gaming Matchmaking App | In Active Development

  • Designed and building full-stack cross-platform mobile app from UX research through production deployment

  • Architected backend with complex matchmaking algorithm (game libraries, location-based matching, availability overlap)

  • Optimized PostgreSQL queries from 3-5 seconds to sub-500ms through strategic indexing and query optimization

  • Implemented real-time features using Supabase subscriptions for instant connection updates across devices

  • Built comprehensive Row Level Security policies for secure multi-user data architecture

  • Currently completing in-app messaging system for closed beta launch

Technologies: React, Ionic, TypeScript, Node.js, PostgreSQL, Supabase, FCM, Android Studio

Divergent Realms Marketplace | store.divergentrealms.com

  • Redesigned two-sided e-commerce marketplace connecting neurodivergent TTRPG players with professional game masters

  • Rebuilt homepage in 5 hours that outperformed previous agency's 3-month, $3,000+ version in A/B testing

  • Created three distinct user journey paths to serve different discovery and booking needs through user-centered design

  • Migrated from WordPress to Squarespace, implementing custom booking systems, payment flows, and maintaining SEO rankings

  • Optimized site performance and implemented version control for ongoing iterative improvements

  • Developed interactive Easter egg feature (dungeon-crawl text adventure) using advanced JavaScript and DOM manipulation

  • Technologies: Squarespace, JavaScript, HTML/CSS, Figma


Neurosweetspot Resource Hub | neurosweetspot.com

  • Delivered complete full-stack platform redesign and migration in 1 week for licensed therapist serving neurodivergent clients

  • Restructured 120+ scattered articles into intuitive, user-centered information architecture with 3-level hierarchy

  • Implemented WCAG AA accessibility standards including screen reader optimization, high contrast, and semantic HTML

  • Built custom site-wide search functionality and category filtering system for improved content discovery

  • Optimized site performance and SEO during WordPress to Squarespace migration

  • Developed 3,000+ line JavaScript creature-catching game with Supabase database integration (front-end and back-end) as engagement feature

  • Technologies: Squarespace, JavaScript (ES6+), HTML5/CSS3, Supabase, Figma

UX Designer | MNFurs (Non-Profit)

November 2022 - December 2023

  • Conducted user research and created wireframes for website redesign initiative to improve navigation and user experience

  • Collaborated with stakeholders to identify user pain points and propose UX improvements

  • Applied UX methodologies including user journey mapping and usability analysis

  • Volunteer role supporting local non-profit organization

Owner & Entrepreneur | Carmabella Creations

January 2016 - July 2023

  • Built and scaled personal brand business, managing all aspects from marketing strategy to full-stack technical implementation

  • Designed and developed e-commerce business website from concept to launch, incorporating market research and user-centered UX strategy

  • Optimized site performance and SEO to improve search rankings and user acquisition

  • Created cohesive brand identity through graphic design and strategic marketing initiatives

  • Managed customer acquisition, engagement, and retention through data-driven approaches using analytics tools

IT Consultant & Full-Stack Developer | UnVale

2021 - 2022

  • Embedded technical consultant with 3-person early-stage startup team, working directly with founders to build product from ground up. Collaborated on critical infrastructure and architecture decisions during formative technical phase.

  • Operated in fast-paced startup environment with limited resources and high velocity requirements.

  • Consulted on technology stack decisions and architecture choices for core platform

  • Developed full-stack web applications using JavaScript, HTML, CSS, and SQL

  • Collaborated directly with founders on technology stack decisions and implementation strategy

  • Shipped features end-to-end in resource-constrained environment requiring pragmatic tradeoffs

  • Provided technical consultation on architecture and infrastructure choices

  • Worked without PM layer

  • incorporated feedback directly from founders and early users

  • Technologies: JavaScript, HTML, CSS, SQL, React

IT Assistant, Researcher & Developer | Clemson University

2012 - 2016

  • Conducted independent research within Human-Centered Computing department, contributing unique perspectives on HCC projects

  • Collaborated with Virtual Reality Lab to design and develop educational summer camp program for young women in STEM

  • Developed VR applications and accompanying input platforms using C#, Java, and web technologies

  • Provided IT support and technical assistance across department initiatives

  • Technologies: SQL, JavaScript, HTML, CSS, Java, C, C++, C#

Education

Bachelor of Applied Science in Information Technology

Metropolia University of Applied Sciences | Espoo, Finland
August 2025 - Present

User Experience Design Certification

Prime Digital Academy | Minneapolis, MN
April 2023 - July 2023

  • Completed intensive, immersive UX program emphasizing practical application and real-world projects

  • Collaborated with stakeholders, designers, and researchers on mobile app designs, website redesigns, and UX strategy plans

  • Applied comprehensive UX methodologies: Kano Analysis, Competitive Audits, User Journey Maps, Wireframing, Prototyping, Cognitive Walkthroughs, Persona Generation, Surveys, Usability Testing, and Touch-Point Strategy Maps

Computer Engineering & Computer Science

Clemson University | Clemson, SC
2012 - 2016

  • Studied web design, software engineering, communication, and programming fundamentals

  • Focused on human-computer interaction and user-centered development approaches