Jonathan Tarrant

Storyteq

• Contributed heavily to an image and video analysis tool using named entity recognition for smart-tagging purposes.
• Designed and developed an AI natural language TTS service, following strict timings for advertisements in prescribed tones, across 20+ languages.
• Designed and developed a briefing critiquing system for marketing briefs at large multinational corporations.
• Heavily optimised a VueJS codebase bringing in state management and full testing suite.
• Heavily influenced ways of working to mature team and software development cycle.
• Created POCs using Google Vertex agent technology, enabling agentic workflows.

Key technologies: Python, GraphQL, Vue.js, Gemini, Vertex AI

Dunelm (UK market leader)

• Implemented a supplier international collaboration portal (1,000+ business users, 5,000+ supplier users).
• Implemented a new product data MDM.
• Implemented Google Vertex AI Search for retail.
• Pioneered Micro-frontends across Dunelm.com.
• Modernised a critical .NET SQL Server application, mitigating business risk.
• Created and led three agile engineering teams (including line management and coaching).
• Automated commercial systems improving KPIs such as time to market, supplier communication, and contract management.
• Heavily involved in RFP processes for business-critical systems.
• Worked with architects and other principal engineers to create enterprise, system, and application-level artifacts.
• Owned, tested, and delivered use of AI tooling for ~130 software engineers.
• Organised engineering leadership and innovation forums to encourage technology sharing.
• Worked closely with AWS, Google, Akeneo, Algolia partners.

• Integrated a new Product Information Management (PIM) system, architecting all supporting infrastructure and transitional states.
• Architected and implemented a new image management tool for the website, saving £120k annually by replacing a third-party tool.
• Implemented a dynamic, reusable email capture component integrated with Salesforce.
• Architected a solution to enable sale of bundled products on the website.
• Scoped and built a cookie consent mechanism to ensure legal compliance.
• Led a team of 11 senior engineers supporting 26 microservices and 11 business functions.

• Designed and developed an SEO management system.
• Championed and implemented accessibility and SEO standards into Dunelm.com.
• Mentored and coached engineers.
• Key contributor to stock and pricing systems.

Key technologies: ReactJS, NodeJS, TypeScript, GraphQL, AWS (Lambda, Serverless), Micro-frontends, IAAC, Vertex AI

Holiday Extras (UK market leader)

• Key member of SEO and PPC engineering team, focusing on page speed and technical SEO.
• Developed and owned Google AMP SEO strategy powering 8,000+ instant mobile pages across brands and languages.
• Built React-based static site generator improving SEO and conversion.
• Lead engineer in business innovation team creating a deals website on tight timelines.
• Developed white-label systems for clients such as Merlin Group and Warner.

Key technologies: ReactJS, NodeJS, PHP, Ruby, AMPHTML, IBM Cloudant, Kubernetes, SEO

Bryter Digital (Full-service agency)

Key technologies: PHP, .NET, JavaScript, Linux

GForces (UK market leader)

Key technologies: LAMP stack, SCSS Pattern Libraries