# Resume

Electronics Engineer · Full-Stack Developer

I’m a Full-Stack Web Developer with 10+ years of experience in Ruby on Rails and Shopify, former Head of Engineering for an e-commerce SaaS company, and now Team Leader for the Colombian branch of a leading Shopify Partner.

[Download PDF](https://juanvisbal.com/resume.pdf)

## Work Experience

### Senior Web Engineer · Team Leader — SLTWTR (2023–present)

- Lead the agency’s Colombian branch, bridging product management and engineering while mentoring junior developers.
- Develop and support Shopify Plus stores with advanced features and integrations.
- Integrate Shopify Plus stores with third-party providers including Searchspring and Nosto.

### Web Engineer · Head of Engineering — Pasilobus (2016–2023)

- Built responsive full-stack web applications for the Shopify App Store.
- Led engineering efforts and product feature development.
- Provided technical support for Shopify merchants.
- Mentored engineering interns and participated in expos and conferences.

## Skills

| | |
|---|---|
| Main | HTML5, CSS, JavaScript, Ruby, Ruby on Rails, Shopify, Tailwind, Hotwire (Stimulus & Turbo) |
| Code | SCSS, jQuery, Sidekiq, Redis, RSpec, SQL, Postgres, JSON, Git, GitHub, GitHub Actions, DigitalOcean |
| Design & Collaboration | Office Suite, Notion, Figma, Zeplin, Adobe XD |

## Education & Training

- ‘Enterprise coaching and PNL’ Seminar — Coomeva (2015)
- Electronics Engineering Degree — Universidad del Norte (2014)
- ‘Systems & Signals’ Class Monitor — Universidad del Norte (2013)
- High School Degree — International Berckley School (2009)

## Languages

- Spanish (native)
- English (professional)

## About

| | |
|---|---|
| Nationality | Colombian |
| Date of Birth | November 4, 1992 |

## Portfolio

- SLTWTR — [sltwtr.com/blogs/work](https://sltwtr.com/blogs/work)
- Pasilobus Apps — [apps.shopify.com/partners/pasilobus](https://apps.shopify.com/partners/pasilobus)
- MAVI (2017) — [mavicol.org](https://mavicol.org/)
- Pierrot Theater Academy (2015)
- Malinche Barranquilla (2016)
- Álvarez & Asociados (2016)