Senior Full Stack Engineer – Drupal/React

Things to know before applying: • You must have your own work equipment • You are able to work remotely • You can work full-time for this role under independent contractor arrangement • Experience working with clients/companies outside PH is an advantage • Only candidates who meet the requirements will be contacted • You can start ASAP Job Description: We are seeking a Drupal Developer to take ownership of two Drupal CMS-based web platforms serving healthcare organisations across Australia and the UK. This is a hands-on role spanning day-to-day maintenance, feature delivery, and technical quality, while also helping shape the platforms' evolution toward a modern, AI-augmented member experience. The role works across the full stack — from Drupal backend and API integrations through to React/TypeScript front-end development and AWS cloud infrastructure — in close collaboration with the Technical Lead and product stakeholders. Key Responsibilities: Platform Maintenance and Support • Own proactive maintenance across both platform environments (DEV, UAT, PROD for AU and UK) • Monitor and apply Drupal core, module, and third-party plugin upgrades on a defined schedule • Manage database health, SSL renewals, uptime monitoring, and cybersecurity pen test cycles • Integrate platform infrastructure with cloud security tooling for continuous vulnerability detection • Respond to and resolve support tickets across P1–P4 priorities within agreed SLA windows • Prepare monthly maintenance and security remediation reports for stakeholders Feature Development and Enhancements • Deliver incremental enhancements to the member portal and application under a structured SOW process • Build and maintain Drupal-based integrations with Salesforce, Tableau, Databricks, Flatfile, and payment gateways • Develop and extend React/TypeScript front-end components across the member portal • Implement and iterate on user-facing features including personalisation, onboarding flows, event management, document libraries, and search • Ensure all work progresses through DEV → UAT → PROD with appropriate testing and release documentation AI and Platform Evolution • Contribute to the roadmap for AI-powered features, including natural language search, content recommendations, and intelligent member experiences • Integrate LLM-based capabilities (e.g., OpenAI, Anthropic, or AWS Bedrock) into the member portal where appropriate • Build AI-augmented tools for content management, search, and member engagement • Stay current with AI/ML tooling relevant to healthcare data platforms and member engagement use cases Technical Quality and Security • Conform to the client's Platform and Product Security Policy SOP and ISMS requirements across all development activity • Write and maintain unit, regression, and integration tests as part of the release process • Conduct and participate in code review, maintaining standards across the team • Manage all changes through Git; no direct production changes • Maintain STG environments as mirrors of PROD for accurate pre-release testing Qualifications: • Senior-level experience in full-stack development, with strong fundamentals across backend and front-end work • Proven experience owning and maintaining production web platforms end-to-end • Experience integrating third-party services and APIs into a CMS-based application • Strong understanding of secure development practices and release/testing discipline • Comfortable working directly with technical leads and product stakeholders in a distributed team setup • Not every skill below needs to be a perfect match — strong fundamentals and drive to grow into the full scope matter most Tech Stack requirements: Drupal CMS • Drupal 9/10 — module development, contrib, custom theming (Essential) • Drupal API integrations (REST/JSON:API) (Essential) • Drupal security hardening and update management (Essential) • Drupal multisite configuration and environment management (Preferred) Backend Development • PHP — Drupal-idiomatic development patterns (Essential) • RESTful API design and integration (Essential) • Salesforce integration (CRM / Experience Cloud) (Preferred) • Payment gateway integration (Preferred) • Third-party integrations — Tableau, Databricks, Flatfile, Eventbrite (Advantageous) Front-End Development • React — component architecture, hooks, state management (Essential) • TypeScript — strong typing, interfaces, generics (Essential) • Responsive and accessible UI development (WCAG 2.0 AA) (Essential) • CSS/SCSS theming within Drupal (Preferred) • UX implementation — onboarding flows, personalisation, dynamic views (Preferred) AI / Machine Learning • LLM API integration (OpenAI, Anthropic, or AWS Bedrock) (Preferred) • Prompt engineering and RAG patterns for knowledge-base search (Preferred) • AI-powered content recommendations or personalisation features (Advantageous) • Familiarity with AI tooling in healthcare or data-heavy domains (Advantageous) Infrastructure and De