Senior Full Stack Developer – Membership, Rewards & Affiliate Platform

Overview We are seeking a highly experienced Senior Full Stack Developer to take over, refine and complete an existing membership, rewards and promotional campaign platform currently under development. This is NOT a new build. The platform has already undergone substantial development and includes membership systems, campaign management, user dashboards, marketplace functionality, referral systems, campaign credit allocation systems and administrative tools. We are looking for a proactive, product-minded developer who can quickly assess an existing codebase, identify opportunities for improvement, refine the user experience and lead the platform through to launch. --- ## About The Platform The platform combines: • Membership subscriptions • Promotional campaigns • Campaign credit allocation systems • Credit package purchases • Referral reward systems • Affiliate partnerships • Marketplace offers and partner promotions • User dashboards • Automated email workflows • Winner management systems • Administrative management tools Members receive campaign credits which can be allocated across active campaigns. Additional credit packages can also be purchased and allocated by users across available opportunities. The platform is targeted towards the United States market and positioned as a premium member experience. --- ## Who We're Looking For We are not looking for a developer who simply completes tickets. We are looking for someone who is: • Senior level • Highly responsive • Proactive and solutions-focused • Product-minded • Strong communicator • Detail-oriented • Able to work independently • Comfortable making recommendations • Focused on quality and scalability You should be capable of identifying issues, suggesting improvements and contributing to the overall product rather than simply following instructions. --- ## Essential Experience Applicants MUST have proven experience with: • Membership platforms • Affiliate platforms • Referral systems • Loyalty and rewards programs • Subscription businesses • Marketplace platforms • Campaign management systems • User dashboard applications • Email automation systems • Marketing automation workflows Highly desirable experience includes: • Rewards clubs • Cashback platforms • Loyalty ecosystems • Member benefit platforms • Promotional campaign platforms • Credit, points or wallet-based systems --- ## Technical Requirements Strong experience with: • React • Next.js • Node.js • REST APIs • Database architecture • Authentication systems • Payment gateway integrations • Email automation platforms • CRM integrations • Affiliate tracking systems • Referral systems • Marketplace architecture --- ## Design & User Experience Strong frontend and UI/UX awareness is essential. You do not need to be a dedicated designer, however you must demonstrate: • Strong attention to detail • Understanding of modern UI/UX principles • Ability to implement premium designs accurately • Understanding of typography, spacing and hierarchy • Experience working from design systems • Responsive design expertise across desktop and mobile Please provide examples of platforms you have built with polished user experiences and strong frontend execution. --- ## Current Scope The successful candidate will: • Audit the existing codebase • Review architecture and scalability • Assess current development progress • Complete outstanding functionality • Refine frontend user experience • Improve platform responsiveness • Implement design refinements • Optimise performance • Assist with deployment and launch readiness • Provide recommendations for future scalability --- ## Application Requirements Please provide: • Portfolio • Relevant project examples • Affiliate platform experience • Membership platform experience • Rewards or loyalty platform experience • Marketplace platform experience • Referral system experience • Email automation experience • Availability • Hourly rate • Timezone • Weekly capacity Applications without relevant examples will not be considered. --- ## Important This is a takeover and completion project. Please explain: 1. Your experience taking over existing projects. 2. Your process for auditing another developer's codebase. 3. Your experience with affiliate, rewards or membership platforms. 4. Your experience with credit, points, wallet or allocation-based systems. 5. How quickly you can assess the project and provide recommendations. We are looking for a long-term technical partner who can contribute to product, technology and user experience, not simply complete isolated development tasks. --- ## Post-Launch Growth & Optimisation While the immediate objective is to complete and launch the platform, we are also looking for a developer who can contribute beyond MVP. Experience in the following areas is highly desirable: • Technical SEO • Site performance optimisation • Core Web Vitals optimisation • Analytics implementation and reporting • Conversion rate optimisation (CRO) • Email marketing automation • Customer lifecycle automation • Affiliate tracking and reporting • Referral program optimisation • Marketplace scalability • API integrations • AI and workflow automations • Ongoing platform enhancements The ideal candidate should be capable of contributing not only to development, but also to the long-term growth, performance and scalability of the platform post-launch.