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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.…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.

Paul Tero

Web Developer, Full Stack Developer, Programmer, +4

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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.…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.

Available to hire

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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Spanish; Castilian

Advanced

Work Experience

Part-time software developer (API integrations and operational automation) at Zenlo

October 1, 2017 - November 1, 2019

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) at Zenlo

October 1, 2017 - November 30, 2019

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 at Zenlo

October 1, 2017 - January 30, 2026

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 developer

March 1, 2017 - Present

Develop and maintain PHP/MySQL CMS and e-commerce systems, with frontend work in HTML/CSS/JavaScript and integrations with third-party APIs. Built a bespoke templating system (Stockashop) supporting over 100 online shops at peak scale. For newer sites, work with Wordpress or CakePHP foundations and integrate systems such as the Spetrix event management API. Create and maintain open-source projects and technical tutorials, and also write articles published on Smashing Magazine.

Freelance web developer at Freelance

March 1, 2017 - Present

Freelance development focused on PHP/MySQL content management and e-commerce systems, with front-end HTML/CSS and JavaScript work. Delivered a bespoke templating system (Stockashop) powering over 100 online shops at its peak. Builds new websites using WordPress or CakePHP as a base, including integrations with the Spetrix event management API. Also contributes technical articles and maintains open-source projects and tutorials.

Software and infrastructure developer (web services, performance, machine learning) at Existor

January 1, 2011 - March 1, 2017

Built and maintained chatbot services (Cleverbot and Eviebot) supporting up to ~80,000 visitors/day and up to ~100 chat requests/second. Upgraded public websites for ads and mobile experiences. Created a jQuery-based login and sharing platform with Node.js backend components. Configured nginx reverse proxies with bespoke PHP management systems. Rewrote the Cleverbot algorithm in C++ and enabled GPU execution. Coordinated communications between frontend sites and backend servers, and later applied machine learning models in Python (Keras) to analyze large datasets.

Software developer / systems upgrade and machine learning at Existor

January 1, 2011 - March 31, 2017

Company behind Cleverbot and Eviebot, supporting high-scale conversational traffic. Upgraded serving infrastructure and optimized public websites for ads and mobile. Built a jQuery login and sharing platform with some Node.js back-end components. Configured nginx reverse proxy infrastructure and bespoke PHP management systems. Reworked the Cleverbot algorithm in C++ (including GPU execution) and handled communication between the websites and back-end servers. In later years, applied machine learning using Keras to analyze collected data for sentiment/emotion-related work. Still supports Cleverbot maintenance for its inventor.

Freelance web developer

July 1, 2004 - August 1, 2012

Freelance web developer at Freelance

July 1, 2004 - August 31, 2012

Freelance Web Developer at Self-employed

May 1, 2004 - Present

As a freelance web developer, I focus on PHP/MySQL content management and e-commerce systems, along with front end HTML/CSS and Javascript coding. My biggest project was a bespoke website templating system called Stockashop which served over 100 online shops at its peak. Currently I use Wordpress or CakePHP as a base for all new websites, such as www.nickdavies.net for the ex-Guardian journalist Nick Davies, www.theatreroyalwindsor.co.uk and www.towngatetheatre.co.uk which are integrated with the Spetrix event management API. I have also written several technical articles for Smashing Magazine www.smashingmagazine.com/author/paul-tero, and I maintain a few open source projects and tutorials on my own website www.tero.co.uk.