LEAD FULLSTACK DEVELOPER (M/W/D) - SCAYLE PROJECT DELIVERY ADD-ONS - HAMBURG OR BERLIN (HYBRID)

LEAD FULLSTACK DEVELOPER (M/W/D) - SCAYLE PROJECT DELIVERY ADD-ONS - HAMBURG OR BERLIN (HYBRID) Gehaltsrahmen: From 80.000 € Anstellung: Berufserfahrene Start: immediately Standort: Hamburg oder Berlin (hybrid) As part of SCAYLE’s Add-on Unit, we build modular, plug-and-play e-commerce solutions that extend the SCAYLE commerce engine and enable additional capabilities for our tenants. As a Lead Fullstack Developer, you take full technical ownership of the unit’s output. You architect, build, release, and operate scalable add-ons across the entire stack using Laravel and Vue.js 3. You ensure performance, security, and maintainability while guiding the team through complex technical decisions. This is a senior, hands-on leadership role requiring 10+ years of experience in building and operating scalable web applications in production environments. PHP Laravel Vue.js TypeScript WHAT YOU WILL DO Own the end-to-end architecture of modular add-ons (backend, frontend, integrations) and ensure scalability, security, and maintainability Design and implement advanced backend logic (Laravel, queues, events) and complex database schemas optimized for high-traffic e-commerce environments Oversee frontend integration within a micro-frontend setup (SingleSpa), ensuring seamless performance and UX consistency Lead CI/CD, semantic versioning, Docker-based environments, and release processes with stable rollouts Ensure production reliability through monitoring, alerting, and proactive incident response (e.g., DataDog, AWS environments) Act as technical lead and final reviewer, mentoring engineers, enforcing high code quality standards, and driving architectural consistency WHO YOU ARE 10+ years of experience building, scaling, and operating complex fullstack web applications in production environments, ideally within e-commerce or SaaS ecosystems Expert proficiency in PHP (8.x) and Laravel (including Middleware, Queues, Events, Gates/Policies), along with strong experience in Vue.js 3, TypeScript, and modern state management (e.g., Pinia) Deep architectural expertise in designing secure, multi-tenant, and distributed systems, with strong understanding of SOLID/DRY principles and long-term maintainability Advanced database and performance engineering skills (MySQL/RDS, complex schema design, indexing strategies, Redis caching) in high-traffic environments Proven ownership of DevOps-adjacent responsibilities, including Docker-based environments, CI/CD pipelines, semantic versioning, AWS infrastructure awareness, and production monitoring/alerting Strong technical leadership skills: mentoring senior engineers, conducting high-quality code reviews, decomposing complex problems, and translating technical decisions into clear business impact