Paul Tero

Available to hire

I’m Paul Tero, a long-time full stack developer and Linux systems administrator based in Hollingdean, Brighton.

About

I’m Paul Tero, a long-time full stack developer and Linux systems administrator based in Hollingdean, Brighton. I build and maintain PHP/MySQL content management and e-commerce systems, and I enjoy turning complex requirements into clear, reliable web solutions with strong attention to performance and maintainability. Over the last 25+ years I’ve worked across frontend and backend development, API integrations, nginx server setups, and production-grade operational improvements for websites and services.

I also bring an AI and data-focused edge to my work, including machine learning model development in Python (Keras) and large-scale infrastructure improvements. Alongside my professional work, I’m a musician—playing bass and singing in two bands—and I value calm, pragmatic problem-solving, whether it’s troubleshooting an urgent issue or delivering a larger project end-to-end for clients.

  • 22 years' experience
  • Joined November 2025

Languages

  • EnglishFluent
  • Spanish; CastilianAdvanced

Industry experience

  • Software & Internet
  • Computers & Electronics
  • Media & Entertainment
  • Professional Services
  • Education
  • Retail
  • Financial Services

More experts

Work experience· 10 roles

Part-time software developer (API integrations and operational automation) · ZenloOct 2017 – Nov 2019 · 2 yrs 2 mos

Developed in-house software for retailer operations using CakePHP MVC: communicating via APIs with Amazon, eBay, and Wordpress/WooCommerce sites; processing orders; printing labels; and submitting VAT returns and financial tasks. Implemented DHL/FedEx integrations handling nearly half a million shipments to date. Also supported hosting services and helped maintain a portfolio of around 20 Wordpress websites.

Part-time software developer (API integrations and operational systems) · ZenloOct 2017 – Nov 2019 · 2 yrs 2 mos

Worked part-time to develop in-house software for integrating with selling platforms (Amazon, eBay) and WordPress/WooCommerce sites. Built and maintained systems for processing orders, printing labels, submitting VAT returns, and other financial tasks. Implemented on the CakePHP MVC framework and created logistics integrations with DHL and FedEx to handle high volumes of shipments. Also supported hosting and helped maintain multiple WordPress sites.

PHP Developer · ZenloOct 2017 – Jan 2026 · 8 yrs 4 mos

Zenlo was on online retailer of personal safety items. I worked part-time to develop their in-house software for communicating via APIs with their selling platforms (Amazon, eBay and two Wordpress/WooCommerce websites), processing orders, printing labels, submitting VAT returns and other financial tasks. It was built on the MVC framework CakePHP. Another CakePHP project integrated with DHL and FedEx and has handled nearly half a million shipments to date. We also provided hosting services, and I helped to manage and maintain about 20 Wordpress websites. I still do freelance work for Tekate, the new name of Zenlo's software development arm.

Freelance web developerMar 2017 – Present · 9 yrs 9 mos
Freelance web developer · FreelanceMar 2017 – Present · 9 yrs 9 mos
Software and infrastructure developer (web services, performance, machine learning) · ExistorJan 2011 – Mar 2017 · 6 yrs 3 mos
Software developer / systems upgrade and machine learning · ExistorJan 2011 – Mar 2017 · 6 yrs 3 mos
Freelance web developerJul 2004 – Aug 2012 · 8 yrs 2 mos

Education· 6

MSc with distinction in Evolutionary and Adaptive Systems · University of Sussex2004 – 2006
BSc with Honours in Electrical Engineering and Computer Science · University of California at Berkeley1993 – 1997
Master's degree (Evolutionary and Adaptive Systems) · University of Sussex at Brighton2004 – 2006
Honours BSc (Electrical Engineering and Computer Science) · University of California, Berkeley1993 – 1997

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