Hire the Best eBay API Developers
in the United Kingdom

I'm a highly skilled Web App Developer with 5+ years of experience building efficient, scalable, and dynamic web applications. My expertise lies in crafting robust web solutions that deliver seamless user experiences while meeting project goals. What Sets Me Apart: Technical Expertise Customer Service Languages & Frameworks: PHP, Python, JavaScript, Node.js, React.js Database Management: MySQL, MongoDB, PostgreSQL Skilled in designing optimized databases and implementing complex queries for efficient data handling. API Integration Third-Party APIs: Extensive experience with Stripe, PayPal, AWS, Google Cloud, and more. Ensure smooth data flow and enhanced functionality through seamless API integration. CRM Integration Expertise in Shipstation, HubSpot, Zapier, Zoho CRM Automate workflows and improve customer engagement through streamlined CRM integration. Security

Your API will become your biggest bottleneck before you hit your next growth milestone. Having scaled integrations inside Mastercard and Vodafone, I've seen exactly where systems snap under sudden volume. My solutions don't just rely on theoretical system architecture—they are built on hands-on delivery experience that keeps infrastructure ahead of growth. Who I am ✮ Expert-Vetted — Top 1% on Upwork ✮ Reliably committed for 11+ years to delivering solutions for large corporations like Mastercard & Vodafone. ✮ Experience working in large client facing consultancy ✮ Experienced solving enterprise-grade backend problems ✮ Integrated 50+ POS systems to enable accurate demand forecasting ✮ Data Driven decision making ✮ 100% customer satisfaction guarantee What I Bring • Deep Java + API architecture specialization, focusing on iPaaS and complex system integrations. • Ability to reverse-engineer and debug brittle legacy systems others avoid. • API security, management, automation, and observability built in from the start. • Honest scope-setting—I tell you exactly what's needed, what it costs, and challenge the standard approach when a better one exists. • I lead initiative, track delivery velocity (not just hours logged), and focus on delivered value over completed tickets. • Long-Term Focus: Built for embedded team collaboration and multi-year partnerships. How I use AI I openly leverage AI strictly as an efficiency tool to deepen accuracy, build relevant content, accelerate code delivery, and map systems quickly—never to replace the authentic strategy, human insight, and problem-solving drawn from my computer science background and years of field experience. From my experience this has led to protecting my customers investment, optimized costs and an increase in overall customer satisfaction. Let's talk: Message me directly or send a job invite — happy to hop on a call and walk through your setup.

🏆 𝗧𝗼𝗽-𝗿𝗮𝘁𝗲𝗱 𝗽𝗹𝘂𝘀 𝗲𝘅𝗽𝗲𝗿𝘁 𝘄𝗶𝘁𝗵 𝟭𝟬𝟬% 𝗝𝗦𝗦 🎖𝗦𝗲𝗻𝗶𝗼𝗿 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝘄𝗶𝘁𝗵 𝗼𝘃𝗲𝗿 𝟭𝟯 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 🔗 API Development: Google Ads API, Google Analytics API, Facebook API, Bing Ads API, LinkedIn API, Yahoo Gemini API, Twitter API, Apple Search Ads API, OpenAI and AI Design and API Integration, WhatsApp API with Gallabox, WhatsApp Automation with Gallabox 💻 PHP Laravel SaaS Projects developed in PHP/Laravel/MySQL 🛠️ AWS Certified Solutions Architect 🌍 Managed global teams and executed projects with precision, developing resilient and scalable applications 🌟 Led tech teams on UK National Lottery, GVMS, HMRC, and Universal Credit projects, contributing to successful government initiatives 💼 Previous clients include: Verizon, Pfizer, BT 𝗠𝘆 𝘀𝘁𝗮𝗰𝗸 𝗹𝗶𝘀𝘁 𝗶𝗻𝗰𝗹𝘂𝗱𝗲𝘀 🛠️ ✔PHP Development ✔Laravel Framework ✔MySQL/PostgreSQL/MongoDB/Airtable ✔API Development and Integration ✔ Custom API development using PHP and Laravel. ✔WordPress ✔SaaS Products ( C2C, B2B, App Design, Prototypes, MVP) ✔Amazon Web Services (AWS) ✔Cloud ✔Google Cloud Platform (GCP) ✔Docker ✔ OpenAI and AI Design and API Integration 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆: ➡️Adwords (Google Ads), Bing Ads ➡️Amazon Ads and Facebook Ads. (REST) ➡️ Twilio ➡️CRMs like Zoho, SugarCRM ➡️Payments like PayPal, stripe, Braintree ➡️ Invoicing -Xero, QuickBooks. ➡️ Amazon MWS (SP API) ➡️ OpenAI/ AI API ➡️ WhatsApp API with Gallabox Press the 🟢 "Invite" 🟢 button on my profile and let's communicate. I am easy and simple to speak with. ⚡ I've finished dozens of projects in Digital Marketing Software. Specialized in Google Ads, Amazon Ads, and Meta Ads. Automated reporting, bid management, and budget optimization. Also, PHP Laravel SaaS Projects developed in PHP/Laravel/MySQL with several pricing tiers and user types. Integrations with Google Ads API, Google Analytics, Google Business and all deployed as docker containers in Google Cloud/AWS. ⏰ 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆: 𝗖𝗼𝗻𝘁𝗿𝗮𝗰𝘁-𝗯𝗮𝘀𝗲𝗱 | 𝗙𝘂𝗹𝗹-𝘁𝗶𝗺𝗲 | 𝗣𝗮𝗿𝘁-𝘁𝗶𝗺𝗲 I respond fast, work well on my own, and love teamwork. I aim for top-notch results and want a lasting partnership. Feel free to reach out anytime 💬 𝗛𝗮𝘃𝗲 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 𝗼𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗻𝗲𝗲𝗱𝘀? 𝗜'𝗺 𝗵𝗲𝗿𝗲 𝘁𝗼 𝗵𝗲𝗹𝗽. 𝗥𝗲𝗮𝗰𝗵 𝗼𝘂𝘁 𝗳𝗼𝗿 𝗮 𝗳𝗿𝗲𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁.

Over 16 years commercial experience in eCommerce with focus on Basket and Checkout integration to include WorldPay, Pay360, Amazon Payments, PayPal, Stripe and Klarna and full Marketplace Integration to MS SQL Database Servers via APIs with Amazon Merchant Services, eBay Trading, Large Merchant Services and Sell APIs, Rakuten, CDiscount, FNAC, Game and other web services using both RESTful and SOAP interfaces. Projects including Data Access and Business Logic Layer Design as well as Database Architecture and Maintenance, Server Configuration and performance monitoring via pingdom and SSMS.

If you are looking for a Full Stack/API Integration Specialist or a Customer Support Expert, you have found just the right person! I have been working in customer support for nearly 15 years, and in Full Stack development and API Integration for over 20 years. Below is a list of my most recent work experience. For specialty-related information please refer to the “Full Stack Development” and “Email, Phone & Chat Support” profiles on the left/above. July 2024 to Present: I am currently working as a freelance web developer specializing in PHP, Laravel, software development on Android mobile apps, Google Apps Script, and AI development using Python. May 2023 to July 2024: Under The SaaSy People, I worked as an Expert Consultant in Zendesk and monday.com solutions. This work involved training in and receiving certification as expert consultant in both the Zendesk and monday.com platforms. As a Zendesk consultant I was responsible for designing, building, and configuring Zendesk solutions for a number of clients from across the Middle East, UK and America. This included creating Zendesk instances from scratch, setting up the brands, organizations, forms, users, and groups for Zendesk Support, as well as setting up and configuring Zendesk Talk with automated voice messages. I also worked on creating reports using Zendesk Explore, and was involved in setting up and configuring Zendesk Sell. A number of these solutions involved configuring API calls for communication with third party platforms such as Facebook, WhatsApp, and Microsoft Teams. As a monday.com consultant I was responsible for designing, building, and configuring monday.com solutions for a sizable number of clients from a similar region. This included creating monday.com instances from scratch, setting up boards and solutions for clients in the fields of veterinary care, carpeting, software development, corporate reporting, property management, show organization, etc. for the purposes of event management, sales funnels, marketing campaigns, letting management, agile project management, etc. The solutions I developed included various monday.com products such as Work Management, CRM, and Dev. From December 2022 to May 2023: Under The SaaSy People, I worked with a number of different clients. The main client was a privacy security platform. This role involved handling customer queries related to product information, sales, billing, and technical support via email, online chat, and Discord channels. I also wrote articles related to this product, created and ran regular Zendesk reports on customer feedback and interaction, updated statistics on Google Sheets, and produced troubleshooting guides. I created animated gifs for these articles on Canva. I also used the Zendesk platform for another client in the field of satellite TV. I worked on the Intercom platform for other clients in the field of nursing home care, and market-related surveys. These roles involved resolving customers’ questions related to billing, sales, and technical support. I also handled live customer inbound phone calls for a shopping catalogue company, and another company that provided a luxury limousine taxi service in London. Skills: Zendesk Support, Guide, and Explore, Intercom, Discord, Google Sheets, Canva. November 2020 to March 2022: I worked as an Ecommerce Site and App Developer for various clients carrying tasks ranging from the enhancements of, to the full creation, design and implementation of entire Shopping sites. This involved the use of specialist languages such as Shopify Liquid as well as the design tools and resources within the Shopify development environment. This also involved bespoke data processing work involving the importing of product data from wholesellers into the retailers site. This role also involved full-stack front and back end development using technologies such as PHP, Node.js, MySQL and MongoDB. I also developed Shopify apps using Shopify API that provided inventory and product import and export tools for storeholders. This role involved detailed communication with client in the capture, and design of their requirements from the beginning to the delivery. Skills: PHP, MySQL, Node.js, MongoDB, Shopify Liquid, HTML5, CSS3, JavaScript, Shopify Rest API, Design capture and Communication with client. September 2016 to November 2020: I worked as an Android App Developer developing Android apps. I developed apps ranging from a unit conversion utility, a musical MIDI app, language learning games, and website submission apps, using HTML, CSS and JavaScript embedded into WebView, inside Android, and also using Android Studio Java. I have also developed PHP-based websites that receive posts from these apps. The latest app that I have developed allows the User to create a wiki on their smart device, and which will work as a fully functioning website on the internet, when uploaded onto the internet. Skills: PHP, HTML5, CSS3, JavaScript, Android Studio, Java

I am a full-time Elance software developer with 30 years experience. In that time I have developed hundreds of individual solutions each with their own specific requirements and problems. I am still here after 30 years because I get things done. I am not moonlighting. This is my fulltime job. You will get my full attention. I specialise in developing and using APIs and building custom tools that move data between them. I have worked on many of the popular APIs including merchantos,selleractive,fitbit,workflowmax,box,hermes,capsule,google,afflow,infusionsoft,cratejoy,chartmogul,pipedrive,salesforce,zillow,airtable,crunchbase,connectwise,freshdesk,pensionpro,handshake,dnagenotek,zoho,1ticket,skybox,mailchimp,hubspot,pipelinedeals,belimo,xero,zapier,hubplanner, channel advisor, taxjar and many others