Location: London, United Kingdom (Hybrid)Employment Type: Full-TimeDepartment: EngineeringCompensation: £50,000 + EquityAbout ZenroxZenrox Healthcare UK is building an AI-powered marketplace that connects healthcare providers with MHRA-compliant medical equipment suppliers. Our flagship platform, ZenroxIQ, transforms procurement through intelligent supplier matching, automated compliance workflows, and predictive analytics—serving NHS trusts and private healthcare organisations across the UK.The OpportunityWe are seeking a talented Full-Stack Developer to join as a Founding Engineer, playing a key role in designing, building, and scaling our marketplace platform.This is a hands-on role offering end-to-end ownership across the technology stack—from crafting seamless user experiences to developing robust backend systems. You will work closely with the CTO to shape architecture, implement core features, and deliver a high-performance platform that drives efficiency in healthcare procurement.Key ResponsibilitiesPlatform DevelopmentDevelop, customise, and enhance a WordPress/WooCommerce-based marketplace platformBuild core features such as quote request systems, supplier matching, and order workflow managementDesign and implement scalable backend services supporting marketplace operationsFrontend & User ExperienceDevelop responsive, high-quality user interfaces using modern JavaScript frameworks (e.g., React)Optimise user experience across buyer and supplier journeysEnsure cross-browser compatibility and mobile responsivenessAI Integration & InnovationIntegrate AI-driven capabilities such as visual search and pricing optimisation into the platformCollaborate on the implementation of intelligent features that enhance procurement decision-makingAPI & System IntegrationDesign, develop, and maintain RESTful APIsIntegrate third-party services including payment gateways, compliance verification systems, and analytics toolsImplement secure payment processing and escrow functionalitiesPerformance, Security & ComplianceOptimise platform performance, scalability, and reliabilityApply secure coding practices and ensure compliance with GDPR and data protection standardsMaintain high availability and system integrityCollaboration & Technical StrategyWork closely with the CTO on architecture, technical design, and system scalabilityContribute to technical decision-making, documentation, and engineering best practicesParticipate in agile development processes and continuous improvement initiativesRequirementsMinimum of 3+ years' experience in full-stack developmentStrong proficiency in PHP with hands-on WordPress/WooCommerce development experienceSolid frontend development skills using JavaScript and frameworks such as ReactExperience with database design and optimisation (MySQL or PostgreSQL)Strong understanding of RESTful API design and integrationKnowledge of secure coding practices and data protection (GDPR)Ability to work independently, take ownership, and make pragmatic technical decisionsPreferred / Advantageous ExperienceExperience building marketplace or e-commerce platformsHands-on experience with payment gateway integrations (e.g., Stripe, PayPal)Experience developing B2B or enterprise-grade software solutionsFamiliarity with WooCommerce plugins (e.g., YITH or similar tools)Exposure to healthcare or regulated industriesDevOps experience (e.g., AWS, Docker, CI/CD pipelines)Why Join ZenroxFounding engineering role with meaningful ownership and equity participationOpportunity to build critical infrastructure for healthcare procurementHigh level of autonomy to design and implement end-to-end solutionsDirect collaboration with a visionary founding teamClear pathway to technical leadership roles as the company scalesHow To ApplyInterested candidates should submit their:CVGitHub profileLink to a relevant project (or a brief project description)https://www.zenroxmed.co.uk/jobs/full-stack-developer/Email Subject Line: Full-Stack Developer Application

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