Senior Full Stack Developer | Multi-Vendor Ecommerce Platform

• Adrageous Media is looking for an experienced developer to take technical ownership of a multi-vendor marketplace connecting UK garden centres with customers.
• The platform brings together products from multiple garden centres into one storefront, with live stock and pricing, online payments, delivery and collection options, and dashboards for customers, merchants and administrators.
• Development is already underway. We need someone who can review the existing build, establish what is complete, identify any gaps and lead the remaining development through to launch.
• **The role**
• You will be responsible for:
• Reviewing the existing codebase, architecture and integrations.
• Building and completing the customer storefront, merchant portal and admin dashboard.
• Developing a shared product catalogue with listings from multiple sellers.
• Integrating POS data, including products, stock, prices and orders.
• Building reliable synchronisation processes with validation, retries, logging and error handling.
• Implementing multi-vendor baskets, checkout, order splitting, delivery and click and collect.
• Integrating Stripe Connect for merchant onboarding, payments, payouts and refunds.
• Developing product search, location-based seller selection and product matching.
• Completing account features, reviews, Q&A, content and reporting functionality.
• Managing deployment, security, testing, monitoring and technical documentation.
• **Technical environment**
• The project architecture currently specifies:
• Next.js, React, TypeScript and Tailwind

Css

• Node.js and Medusa.js.
• PostgreSQL.
• Redis / BullMQ for background jobs and integration queues.
• Algolia for search.
• Stripe Connect.
• AWS infrastructure and CI/CD deployment.
• You will need to validate the existing implementation against this architecture and recommend practical improvements where necessary.
• **What we’re looking for**
• Strong experience delivering full stack applications used by real customers.
• Experience with ecommerce or multi-vendor marketplaces.
• Hands-on experience with Stripe Connect or similarly complex payment integrations.
• Experience integrating external APIs, ideally POS, inventory or order management systems.
• A solid understanding of database design, background jobs and data synchronisation.
• Confidence reviewing and taking over an existing codebase.
• The ability to own delivery from technical planning through to production launch.
• Clear communication, realistic estimates and a practical approach to solving problems.
• Experience with Medusa.js, WinRetail, catalogue reconciliation or marketplace search would be particularly useful.
• **How to apply**
• Please send your CV and examples of relevant projects, explaining:
• Your role in building and launching them.
• Your experience with marketplaces, payments and inventory integrations.
• Your availability and preferred employment or contract arrangement.
• Your salary expectations or day rate.
• We are particularly interested in developers who can demonstrate ownership of a complex application from development through to launch.
• Pay: £33,700.00-£89,900.00 per year
• Work Location: In person