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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full-Stack Developer - **Company:** Sigma Consulting Group - **Location:** London, UK - **Experience:** Experienced - **Salary:** £50,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), PHP (Programming Language), Agile Methodology, Artificial Intelligence, Amazon Web Services, Application Integration Architecture, Browser Compatibility, Continuous Integration, Database Design, DevOps, PostgreSQL, MySQL, Payment Gateway, Secure Coding, Software Systems, WooCommerce, WordPress, ReactJS, System Availability, Backend, Stripe, Front End Software Development, Restful APIs, Docker, Service Stack - **Published:** May 21, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=c0549da2f431b6c4 ## About the Role Do you have experience in WordPress?, * Minimum of 3+ years' experience in full-stack development * Strong proficiency in PHP with hands-on WordPress/WooCommerce development experience * Solid frontend development skills using JavaScript and frameworks such as React * Experience with database design and optimisation (MySQL or PostgreSQL) * Strong understanding of RESTful API design and integration * Knowledge of secure coding practices and data protection (GDPR) * Ability to work independently, take ownership, and make pragmatic technical decisions Preferred / Advantageous Experience * Experience building marketplace or e-commerce platforms * Hands-on experience with payment gateway integrations (e.g., Stripe, PayPal) * Experience developing B2B or enterprise-grade software solutions * Familiarity with WooCommerce plugins (e.g., YITH or similar tools) * Exposure to healthcare or regulated industries * DevOps experience (e.g., AWS, Docker, CI/CD pipelines) ## Description 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., * Develop, customise, and enhance a WordPress/WooCommerce-based marketplace platform * Build core features such as quote request systems, supplier matching, and order workflow management * Design and implement scalable backend services supporting marketplace operations, * Develop responsive, high-quality user interfaces using modern JavaScript frameworks (e.g., React) * Optimise user experience across buyer and supplier journeys * Ensure cross-browser compatibility and mobile responsiveness AI Integration & Innovation * Integrate AI-driven capabilities such as visual search and pricing optimisation into the platform * Collaborate on the implementation of intelligent features that enhance procurement decision-making, * Design, develop, and maintain RESTful APIs * Integrate third-party services including payment gateways, compliance verification systems, and analytics tools * Implement secure payment processing and escrow functionalities Performance, Security & Compliance * Optimise platform performance, scalability, and reliability * Apply secure coding practices and ensure compliance with GDPR and data protection standards * Maintain high availability and system integrity Collaboration & Technical Strategy * Work closely with the CTO on architecture, technical design, and system scalability * Contribute to technical decision-making, documentation, and engineering best practices * Participate in agile development processes and continuous improvement initiatives ## Related Videos - [Navigating Growth, Scaling Challenges, and Office Expansions with David Singleton, CTO at Stripe](https://www.wearedevelopers.com/videos/100362-navigating-growth-scaling-challenges-and-office-expansions-with-david-singleton-cto-at-stripe) - [Kill Your WordPress. 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