Kevin Eduardo Herrera
Product Builder — Custom digital development
qevdesign@gmail.com
www.linkedin.com/in/kevin-herrera-qev/
GitHub
github.com/Qeven1996
Profile
Product Builder with 8+ years of experience shipping MVPs, SaaS platforms, and landing pages end-to-end — directing AI as my engineering team. Proven results: +20% conversion, +100% engagement for US & EU clients.
Experience
Product Builder — Freelance (Remote, US Client)
Feb 2025 – Present- Built an end-to-end drone-operations dashboard (React, Node.js, PostgreSQL, Docker, AWS): real-time pilot tracking, clients, calendars and lists — full operational visibility.
- Built an AI chat with SSE streaming that executes database actions directly; automated pipeline cut administrative overhead by 60%.
- Shipped an autonomous publishing and SEO app: posts researched and generated via API by AI, learning over time to improve search rankings.
- Led the frontend, SEO and storytelling overhaul of a legacy drone site, modernized end-to-end.
Digital Marketing & Visual Specialist — Gimnasio Campestre Los Cerezos
Apr 2024 – Feb 2025- Orchestrated visual campaigns that increased social reach by 100% and doubled video views.
- Unified B2B and B2C brand identity across the full creative lifecycle.
Senior Graphic Designer & Motion Graphics — Wildlife Works
Jan 2023 – Jan 2024- Boosted engagement by 30% via motion-graphics strategy; reduced production turnaround by 20%.
Digital Designer (Remote) — Yeesshh Ltd (Barcelona)
Mar 2022 – Dec 2022- Redesigned landing pages for a 20% conversion lift (CRO); managed visual identity for 8+ portfolios.
Earlier Roles
- Graphic & Web Designer — MTD Agencia · May 2021 – Feb 2022 · WordPress/Elementor sites; Google/Meta Ads support (+25% ad reach).
- Graphic Designer — Rise Latam · May 2019 – Feb 2021 · Rebranding with +40% brand visibility; advertising and editorial materials.
- Junior Designer — Tips Print · Apr 2017 – Mar 2019 · Large-format print production and optimized workflows.
Key Projects
ErQuickCalc — Genshin Impact Energy Calculator
React, TypeScript, Tailwind, Vite | 1,000+ active users | −80% optimization time, +95% accuracy vs manual
Drone Operations Platform — US Client
Job wizard, 5-stage pipeline, AI chat and client portal
Skills
Product & Delivery
- MVP & SaaS development
- End-to-end product delivery
- AI-augmented development workflows
- Rapid prototyping
Design
- Figma (variables, auto-layout)
- Design systems
- Branding & visual identity
- Motion graphics
- Adobe Suite (Ps, Ai, Ae, Pr)
Engineering
- React / TypeScript
- Node.js
- Tailwind CSS
- WordPress / Elementor
- HTML / CSS
Languages
Spanish — Native · English — Professional (C1)