Edu is available for hire
Hire EduEdu Wass
Verified Expert in Engineering
Web Developer
Andorra la Vella, Andorra
Toptal member since March 2, 2017
Bio
Edu is a polyglot generalist engineer with 12+ years across TypeScript, PHP, and Rust—a long-term partner to startups from early stage through growth and acquisition, including TrueLark (acquired by Weave for $35 million) and MailCharts (acquired by Validity). He recently architected EventIntel, an AI-powered travel platform, solo: 580+ production PRs in six months by orchestrating AI agent fleets. Edu also built Microsoft's Windows 10 Italy campaign site and taught at Harbour.Space University.
Portfolio
Goldflower
WordPress, PHP, JavaScript, Cloudflare, APIs
EventIntel
TypeScript, React, Node.js, Stripe, PostgreSQL
Wass Tech, SLU
WordPress, PHP, WooCommerce, React, Stripe
Experience
- PHP - 12 years
- JavaScript - 10 years
- WordPress - 10 years
- React - 10 years
- APIs - 8 years
- Stripe - 7 years
- TypeScript - 6 years
- PostgreSQL - 2 years
Work Experience
Full-stack Developer
2025 - PRESENT
Goldflower
- Served as sole developer for goldflowerfl.com, a multi-store Florida cannabis retail chain—WordPress block themes integrated with the Sweed POS eCommerce platform through a Cloudflare Worker proxy.
- Built an S3-to-Postgres data pipeline for live menu and product data, geolocation-based nearest-store routing, and Google Places review integration across all store locations.
- Authored the store-launch runbook and shipped new store sites end-to-end, including a caching strategy with stale-data fallback and alerting, on an ongoing feature and maintenance retainer.
Technologies: WordPress, PHP, JavaScript, Cloudflare, APIs
Lead Engineer
2025 - PRESENT
EventIntel
- Architected and built EventIntel (eventintel.ai), an AI-powered event intelligence and travel platform, from scratch as sole engineer—AdonisJS, React, Postgres with pgvector, deployed on DigitalOcean with Sentry and OpenTelemetry.
- Built the AI layer end-to-end: tool-calling concierge and trip planner, entity resolution, an eval harness with rubric judges, and nightly runs—shipping 580+ production PRs in six months by orchestrating AI agent fleets.
- Integrated Stripe billing, RateHawk/ETG hotel inventory (passed supplier certification), Victory Live ticketing (HMAC-signed API and webhooks), Ticketmaster data, and Resend transactional email.
Technologies: TypeScript, React, Node.js, Stripe, PostgreSQL
Senior Full-stack Engineer
2017 - PRESENT
Wass Tech, SLU
- Delivered 25+ engagements via Toptal and directly for clients, including TrueLark, CAROL Bike, Girls Who Code, MailCharts, Harver, and MediaMath—full-stack web development, eCommerce, and API integrations.
- Led TrueLark's web platform for six years through its $35 million acquisition by Weave, and migrated CAROL Bike to a WooCommerce multisite serving UK, US, and Australia stores.
- Integrated payment and marketing systems, including Stripe, Authorize.net, NetSuite, HubSpot, and CallRail; contributed to WordPress core (Interactivity API proposal) with a merged Gutenberg pull request.
Technologies: WordPress, PHP, WooCommerce, React, Stripe
Lecturer and Developer
2017 - 2017
Harbour Space
- Lectured on a course teaching students what technology makes sense for early and MVP stage, late stage, and scaling the infrastructure, stack, UI/UX, mobile, and back end.
- Helped rebuild parts of the Harbour Space marketing website.
- Implemented a new stack for the website update based on Docker.
Technologies: CSS, JavaScript
CTO
2016 - 2017
Container Studio
- Created a WordPress API wrapper for React to read values from a WordPress back end and render them in client-side JavaScript.
- Built a Docker image with PHP7, Nginx, Git, and webhooks for site deployment and development ease.
- Developed custom WordPress themes and back-ends for several clients.
- Designed and developed new wireframes for pages for Harbour Space, Europe's state-of-the-art university for technology and design.
- Planned and developed the new website for Ubiqum, a well-known international coding bootcamp.
Technologies: JavaScript, PHP, React, WordPress
Full-stack Developer
2015 - 2016
The George
- Designed and developed the Microsoft Windows 10 Italy promotional site, featuring some of Italy's most talented YouTubers helping boost sales and popularity of Windows 10 in Italy.
- Planned, developed, and provided creative input for the new Monza website, a WordPress site with heavy traffic loads during the F1 season, which we successfully supported using caching methods and load balancing techniques.
- Worked on developing the Wall Street English multisite network, with about 25 different country sub-sites with custom features and functionalities.
- Planned and developed the core back-end of AskCucu, an Airbnb-like housing platform to help students find places to stay in Asia.
- Developed the new Amfivia event company website focused on marketing, resulting in a vast improvement in web conversion rates.
Technologies: JavaScript, PHP, WordPress
Full-stack Developer
2013 - 2015
Poliwin Software
- Participated in the design and development of a web-based service for online gym and sport center management.
- Developed web control access systems connected to physical gate hardware that tracked every user's access and time.
- Made critical pieces of accounting-related software for regular usage on the platform.
- Created a tracking system for popular hours of usage and other useful data, which could generate live graph data and PDF reports.
Technologies: CSS, MySQL, PHP
Project History
MailCharts
http://mailcharts.comI developed the marketing website for MailCharts.com, an email analytics tool for marketers featuring Chart.js dashboards and API integrations.
I developed a custom WordPress theme built 100% from scratch, using designer-provided Sketch multiple-screen designs.
Achievements:
• Enhanced user data visualization.
• Streamlined dynamic data presentation.
• SEO-focused.
I developed a custom WordPress theme built 100% from scratch, using designer-provided Sketch multiple-screen designs.
Achievements:
• Enhanced user data visualization.
• Streamlined dynamic data presentation.
• SEO-focused.
TrueLark
https://truelark.comMailCharts is an email marketing intelligence platform. I developed the marketing website for MailCharts.com, building a custom WordPress theme 100% from scratch from designer-provided Sketch designs, with Chart.js dashboards and API integrations. MailCharts was acquired by Validity in 2022.
Achievements:
• Enhanced user data visualization with dynamic, API-driven charts.
• Partnered with the team across multiple engagements as the product matured toward acquisition.
Achievements:
• Enhanced user data visualization with dynamic, API-driven charts.
• Partnered with the team across multiple engagements as the product matured toward acquisition.
CAROL Bike
Migrated CAROL Bike's website to a high-performance WordPress and WooCommerce multisite with individual stores for the UK, USA, and Australia. CAROL has since grown into a leading AI-driven fitness bike brand selling worldwide.
Achievements:
• Dramatically improved site speed and efficiency.
• Enabled smooth handling of thousands of dollars in daily transactions.
• Streamlined updates and maintenance across all sites, supporting CAROL's international growth.
Achievements:
• Dramatically improved site speed and efficiency.
• Enabled smooth handling of thousands of dollars in daily transactions.
• Streamlined updates and maintenance across all sites, supporting CAROL's international growth.
Harver.com
https://harver.com/Harver is a pre-employment assessment platform helping companies of all sizes hire at scale. I redesigned parts of the website with a focus on performance and user experience, working with the team across multiple engagements as Harver grew into a leading player in the talent-assessment space.
Achievements:
• Improved site performance.
• Reduced bounce rates.
Achievements:
• Improved site performance.
• Reduced bounce rates.
Harbour.Space
I designed and developed parts of the Harbour.Space University website, focusing on user experience and multimedia integration.
Achievements:
• Created an intuitive user interface.
• Enhanced multimedia content display.
Achievements:
• Created an intuitive user interface.
• Enhanced multimedia content display.
BeFit
BeFit is a well-known fitness brand that provides fitness programs, workout plans, supplements, and exercise videos.
I developed BeFit's website, a fitness brand focusing on interactive workout plans and mobile responsiveness.
Achievements:
• Introduced interactive subscription features.
• Improved mobile user experience.
I developed BeFit's website, a fitness brand focusing on interactive workout plans and mobile responsiveness.
Achievements:
• Introduced interactive subscription features.
• Improved mobile user experience.
Wall Street English
https://www.wallstreetenglish.comWall Street English is the world's biggest English teaching school system.
I created a multisite network for Wall Street English, ensuring scalability and enhanced user experience.
Achievements:
• Managed sites for global locations efficiently.
• Optimized site speed.
I created a multisite network for Wall Street English, ensuring scalability and enhanced user experience.
Achievements:
• Managed sites for global locations efficiently.
• Optimized site speed.
MediaMath
http://www.mediamath.com/MediaMath is a global technology company leading the movement to revolutionize traditional marketing and drive transformative results.
I assisted in building MediaMath's internal product catalog, focusing on streamlining and user interface enhancement.
Achievements:
• Streamlined product management.
• Improved internal user interface.
I assisted in building MediaMath's internal product catalog, focusing on streamlining and user interface enhancement.
Achievements:
• Streamlined product management.
• Improved internal user interface.
Girls Who Code
https://girlswhocode.com/Girls Who Code is a nonprofit organization dedicated to fostering and empowering women in computer science. I played a vital role in developing their marketing website, contributing to its successful creation and implementation, further advancing their mission.
Achievements:
• Created a dynamic events section.
• Implemented intuitive navigation.
Achievements:
• Created a dynamic events section.
• Implemented intuitive navigation.
Ubiqum
https://www.ubiqum.com/Helped implement the first WordPress site for Ubiqum. They are now one of the biggest coding boot camps in Spain and have expanded to other countries.
I handled the full-stack development for Ubiqum's WordPress site, focusing on interactive and engaging course catalogs.
Achievements:
• Launched the first WordPress site.
• Developed user-engaging course features.
I handled the full-stack development for Ubiqum's WordPress site, focusing on interactive and engaging course catalogs.
Achievements:
• Launched the first WordPress site.
• Developed user-engaging course features.
Container Studio
The website for a boutique service that creates well-designed and exciting website experiences to captivate the user.
It was a small agency that I co-founded and led the technical aspects as CTO of the company in my time there.
Achievements:
• Implemented captivating design elements.
• Enhanced user engagement and session duration.
It was a small agency that I co-founded and led the technical aspects as CTO of the company in my time there.
Achievements:
• Implemented captivating design elements.
• Enhanced user engagement and session duration.
StackOverflow Profile
I also enjoy spending time looking for and answering questions in Stack Overflow, where I have actively participated in providing solutions in WordPress, PHP, JavaScript, and others.
Achievements:
• Answered diverse technical queries.
• Recognized as a top contributor in the community.
Achievements:
• Answered diverse technical queries.
• Recognized as a top contributor in the community.
GitHub Profile
https://github.com/eduwassCollected several open-source personal projects, plus contributions to other people's projects.
Achievements:
• Over the years, I have curated and contributed to multiple projects in the Open-Source ecosystem.
Achievements:
• Over the years, I have curated and contributed to multiple projects in the Open-Source ecosystem.
Personal Portfolio
https://eduwass.comA personal portfolio website showcasing my professional background, selected projects, and contact information. The site serves as a central hub for my work and open source projects, making it easy for clients and collaborators to explore projects and reach out.
Education
2014 - 2018
Bacherlor's Degree in Computer Science
Universitat de Barcelona - Barcelona
2007 - 2009
FP2 in Computer Systems Management
Joan Ramis Institute - Balearic Islands
2005 - 2007
FP1 Technician in Operating Systems
Joan Ramis Institute - Balearic Islands
Skills
Libraries/APIs
React, Vue, OpenAI API, Node.js, Stripe
Tools
Figma
Languages
CSS, PHP, JavaScript, TypeScript
Platforms
WordPress, WooCommerce, Docker
Frameworks
Laravel
Storage
MySQL, PostgreSQL
Other
eCommerce, APIs, Technical Leadership, User Experience (UX), User Interface (UI), Large Language Models (LLMs), AI Agents, Prompt Engineering, Artificial Intelligence (AI), Bun, Cloudflare, Retrieval-augmented Generation (RAG)
Collaboration That Works
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
1
Share your needs
Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2
Choose your talent
Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3
Start your risk-free talent trial
Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.
Top talent is in high demand.
Start hiring