JONA LAINEZ

Jonathan Lainez

Senior Product Designer | Design Systems · AI Workflows · Front-End Aware

📍 Remote · Full-time | English & Spanish

📍 San Salvador, El Salvador · Open to relocation

📧 hello@jonalainez.me

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Summary

Product Designer with a hybrid background in UX/UI design and front-end development, focused on building scalable digital products and high-performing user experiences.

Experienced in designing conversion-driven interfaces, simplifying complex workflows, and creating structured design systems that improve consistency and speed across teams. Strong collaboration with engineering to ensure efficient design-to-code execution.

Actively integrating AI into design workflows including research, ideation, UI generation, and QA to accelerate delivery while maintaining quality and usability.

Core Skills

  • ProductDesign (Web & Mobile)
  • Design Systems& Component Architecture
  • Conversion-Focused UX & Landing Pages
  • AI-Assisted Design Workflows
  • Wireframing & Prototyping (Figma)
  • Interaction Design & Usability
  • Responsive Design & Accessibility
  • Developer Handoff & Design-to-Code Execution
  • Cross-functional Collaboration

Experience

CGS (Computer Generated Solutions)

Senior UI / Product Designer

May 2024 — Jun 2025

  • Led UI redesign efforts for an enterprise platform, focusing on simplifying complex workflows and improving usability across critical user flows
  • Redesigned multi-step processes into structured, intuitive interfaces, reducing cognitive load and improving task completion efficiency
  • Contributed to the development of a scalable design system with reusable components and standardized layout patterns
  • Collaborated closely with engineering teams to ensure clean implementation and alignment between design and production
  • Delivered high-fidelity UI and interaction patterns aligned with usability and business goals

Ortus Solutions

Senior Designer

Nov 2020 — Present

  • Designed and developed web-based applications, landing pages, and product interfaces focused on clarity, usability, and scalability
  • Created conversion-driven landing pages optimized for performance and engagement
  • Built wireframes, user flows, and high-fidelity UI using Figma
  • Collaborated directly with developers to ensure efficient design-to-code implementation
  • Contributed to design systems and component libraries
  • Improved workflows between design and development teams

Paradise Solutions

Web Designer & Front-End Developer

Nov 2017 — Nov 2020

  • Designed and optimized UI for high-traffic websites and platforms
  • Improved layout clarity and visual hierarchy for better usability and conversions
  • Developed responsive front-end implementations
  • Collaborated across teams to deliver scalable UI solutions

Avianca

Designer & Front-End Developer

Dec 2015 — Oct 2017

  • Designed digital interfaces and assets for regional platforms
  • Ensured UI consistency aligned with brand and usability standards
  • Collaborated with distributed teams across Latin America
  • Contributed to internal systems and marketing platforms

Freelance

Web Designer & Front-End Developer

May 2010 — Nov 2015

  • Delivered web design and front-end solutions for diverse clients
  • Adapted to multiple industries and project scopes
  • Built strong foundations in end-to-end product delivery

SiscompNetwork

Front-End Developer

Feb 2009 — May 2010

  • Developed and maintained front-end interfaces for internal and client systems
  • Built structured UI implementations using core web technologies
  • Strengthened understanding of scalable development practices

Tools & Technologies

Figma · FigJam · Design Systems · Prototyping · HTML5 · CSS3 · Sass · JavaScript · Bootstrap · Tailwind · Alpine.js (basic) · Vue.js (basic) · Adobe Creative Suite · GitHub · SEO · Web Optimization · Design Documentation · Collaboration with Engineering Teams

Additional

Education & Training

  • Interaction Design Foundation (IxDF) — UX Design Certification
  • Technical Degree in Systems and Computer Networks — ITCA Fepade
  • Graphic Design (coursework completed) — Universidad Francisco Gavidia
  • Technology & Business Management (coursework completed) — ESI School of Management

Additional Strengths

  • Ability to translate complex problems into clear, usable interfaces
  • Balance between speed, quality, and scalability in fast-paced environments
  • Strong systems thinking applied to UI architecture and product design
  • Continuous learning mindset with focus on AI and emerging design workflows