Senior Full Stack Drupal Developer

ZenSource is seeking a seasoned Senior Full Stack Developer (Drupal) to play a critical role in building, enhancing, and scaling cloud-native, content-driven solutions for our clients. This individual will be a hands-on senior contributor, providing immediate impact across Drupal back-end development while supporting modern cloud, serverless, and AI-enabled initiatives on our roadmap. This role is ideal for a highly capable engineer who is comfortable owning technical solutions end-to-end and helping establish best practices, as the team continues to grow. The Senior Engineer will collaborate closely with solution architects, product leaders, and clients, while setting a strong technical foundation ahead of future junior-level hires. **Measures**: - High-quality, production-ready Drupal solutions delivered efficiently - Successful support and enhancement of Drupal 10–11 platforms - Contribution to serverless and AI-enabled features aligned to the product roadmap - Strong collaboration and technical leadership within a growing engineering team - Scalable, secure, and maintainable architecture aligned with cloud best practices **Reports to**: SVP, product **RESPONSIBILITIES**: - Drupal & Full Stack Development - Design, develop, and maintain robust Drupal back-end solutions, with a focus on performance, scalability, and security, accessibility (WCAG AA), and Core Web Vitals. - Work across the full stack as needed, ensuring smooth integration between front-end experiences and back-end systems. - Architect integrations between Drupal and CRM/marketing platforms (e.g., Salesforce, HubSpot, Constant Contact) to support automated lead capture and marketing workflows. - Lead development efforts on Drupal 10–11 projects, including custom modules, integrations, and migrations. - Troubleshoot complex issues across environments and provide production support when required, including supporting other internal teams (e.g., the support department) with issue resolution and architecture guidance. - Cloud & Serverless Technologies - Contribute to serverless architectures supporting platform and product innovation. - Develop and maintain Python-based services and AWS Lambda functions. - Collaborate on cloud-native designs leveraging AWS services at a foundational level. - Ensure systems are secure, scalable, and cost-efficient. - AI-Enabled Development - Support and extend AI-related features and integrations across applications. - Collaborate with cross-functional teams to implement AI-driven functionality into client and platform solutions. - Apply experience with AI development to practical, production-ready use cases. - Technical Leadership & Collaboration - Serve as a senior technical resource and mentor to future junior developers, providing ad-hoc technical guidance and support across the broader engineering org and partner-agency developers. - Establish and follow engineering best practices, documentation, and coding standards. - Partner with architects, product managers, and stakeholders to translate business needs into technical solutions. - Lead client-facing pitch meetings and technical demos, communicating platform value and building stakeholder confidence. - Participate in code reviews, architecture discussions, and continuous improvement efforts. **What it takes to succeed in this roleQUALIFICATIONS:** 1. 4+ years of experience as a full stack developer, with strong back-end expertise. 2. 4+ years of hands-on Drupal development, ideally at a mid-to-senior level. 3. Comfort working primarily in Drupal back-end development, with full stack awareness. 4. Experience with Drupal 10 or 11 strongly preferred. 5. Familiarity with serverless technologies, including AWS Lambda. 6. Proficiency with Python for back-end and serverless development. 7. 2+ years of AI development experience, with practical application in real-world systems. 8. High-level working knowledge of AWS and cloud-native architectures. 9. Ability to work independently,…