Resume / Full-stack & UI/UX

Roberto Sabanal

About

Full-Stack and Frontend Developer and UI/UX Designer with 10+ years of experience designing and building web apps, platforms and marketing sites. Built the Goleansigma lean-audit web app (frontend and part of the backend, designed in Figma) for 50+ enterprise clients, and shipped features such as Chat Poll and a redesigned Artist Dashboard at Moment (acquired by Patreon in 2023). Strong in React, Next.js, Vue/Nuxt, Node.js and Webflow. Uses AI tools such as Claude, ChatGPT and GitHub Copilot every day for coding, refactoring, agentic coding and pair programming across most projects.

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( 01 ) Skills

Core Skills

AI Tools

Claude, ChatGPT, GitHub Copilot, agentic coding, AI pair programming, AI-assisted refactoring, prompt engineering

Frontend

JavaScript (ES6+), React, Next.js, Vue, Nuxt.js, Angular, Redux, HTML5, CSS3, Sass, Tailwind CSS, Styled Components, Framer Motion, Responsive Design

Backend

Node.js, Express.js, PHP, Laravel, API Integration, Prisma, Mongoose, PostgreSQL, MySQL, MongoDB, Supabase, Firebase

CMS and Platforms

Webflow, Shopify, WordPress, Relume

Cloud and Tools

AWS, DigitalOcean, Vercel, Webpack, Git

Testing

Jest

Design

UI/UX Design, Figma, Sketch, Photoshop, Illustrator, Animation, Blender, SketchUp

Growth

Technical SEO, Page Speed Optimization, Google PageSpeed Insights, A/B Testing, Personalization, Monetate, SiteSpect

( 02 ) Experience

Professional Experience

Apr 2026 - Present

Freelance Web and Mobile Developer / Designer / SEO Specialist

Self-Employed (Ting Software Development Services)Remote

  • Design, build and launch websites, web apps and mobile apps for clients, handling UI/UX design, development and deployment.
  • Work with Figma, Webflow, React, Next.js and Node.js, and use Claude, ChatGPT and GitHub Copilot daily for coding, refactoring, agentic coding and pair programming.
  • Work directly with clients on scope, timelines and feedback.
  • Create plans for software development and design projects, covering scope, deliverables and timelines.
  • Execute the plan, or run it through AI agents, to build and ship the work.
  • Handle SEO and website optimization, improving performance and search visibility.

Nov 2025 - Apr 2026

Customer Experience Developer (Contract)

Monetate ↗Remote, USA

  • Built A/B tests, personalization and product recommendation experiences in Monetate and SiteSpect using JavaScript, HTML and CSS.
  • Worked with Customer Success, product and analytics teams to plan, launch and analyze experiments for client websites.
  • Reviewed client tech stacks and optimized them to improve web performance.

Sep 2025 - Nov 2025

Webflow Developer / UI/UX Designer (Contract)

Disfire.com.au ↗Remote, Australia

  • Led the redesign of disfire.com.au and other Disfire Australia sites: designed pages in Figma and built them in Webflow and Shopify.
  • Improved technical SEO and page performance for better search visibility and engagement.

Jun 2024 - Jul 2025

Webflow Developer / UI/UX Designer (Contract)

Rupa Health (acquired by Fullscript) ↗Remote, USA

  • Designed in Figma, built and maintained rupahealth.com and rupauniversity.com in Webflow, serving thousands of monthly visitors.
  • Cut page load time by about 50% (measured with Google PageSpeed Insights) and grew organic traffic by 20% through code optimization and technical SEO.
  • Worked with marketing and SEO teams to redesign high-converting pages and increase lead capture.

Nov 2021 - May 2024

Full-Stack Developer / UI/UX Designer (Contract)

Goleansigma.de ↗Remote, Germany

  • Designed in Figma and built the goleansigma.de website in Webflow.
  • Designed in Figma and built the lean-audit web app, owning the frontend and part of the backend: Audit Dashboard, 5S/6S Audit, Task Management, Multi-Moment Analysis, User Management.
  • Used by 50+ enterprise clients; reduced bug-related downtime by 40% through reliability and scalability work.
  • Also designed and built pictiva.de and app.lebosol.de.

Feb 2021 - Oct 2021

Software Engineer (Frontend, Web App Design)

Moment.co (acquired by Patreon, 2023) ↗Remote, USA

  • Built and maintained features for a live-streaming and events platform serving millions of users worldwide.
  • Launched Chat Poll and Artist Onboarding, and redesigned the Artist Dashboard to improve engagement.
  • Enabled international expansion by implementing the Moment House Japan integration.

May 2019 - Nov 2020

Frontend Developer / UI/UX Designer

Kicksta.co ↗Remote, USA

  • Designed the app and led frontend development of url.bio using Vue and Nuxt.js.
  • Integrated real-time analytics and custom theming, driving a 25% increase in daily active users.

Oct 2018 - Aug 2019

Frontend Developer

Snagshout.com ↗Remote, USA

  • Designed and built 20+ pages across snagshout.com and merchant.snagshout.com.
  • Integrated APIs and improved frontend workflows, cutting feature delivery time by 30%.

Apr 2015 - Oct 2018

Frontend Developer / Designer

TAS Tradesoft Corporation ↗Bacolod City, Philippines

  • Designed and built custom websites and web applications for client business needs, plus branding and marketing assets.
  • Improved the security and performance of company platforms through regular updates and optimization.

( 03 ) Education

Education

Jun 2011 - Apr 2015

Bachelor of Science in Information Technology

University of Negros Occidental - Recoletos ↗Bacolod City, Philippines

Capstone project
Physics Eye: Physics CAI and Simulations. A tool that helps students learn classical physics in an interactive way using built-in simulations and games.