Omega CRM Consulting is looking for a Lead Full-Stack Architect that would like to collaborate with one of the top global pharmaceutical companies. Architect and build our next-generation e-commerce platform from scratch. You'll design the entire system, establish technical standards, and lead a growing team. 5+ years Next.Js & React in production (App Router, Server Components, SSR/SSG)~ Expert TypeScript (generics, conditional types, strict mode)~ Microservices architecture (designed and scaled production systems)~ PostgreSQL + Redis at scale (1M+ rows, indexing, caching strategies)~ AWS/GCP containers (ECS/EKS/GKE, CI/CD pipelines)~ E-commerce experience (built complete platform: cart, checkout, inventory, payments) Frontend: Next.Js 15, React 19, TypeScript, Tailwind CSS, Radix UIBackend: NestJS, Node.Js, PostgreSQL, RedisInfrastructure: Nx Monorepo, AWS (ECS, RDS, CloudFront), Dynatrace NestJS framework experienceOpen source contributions (Next.Js, React, TypeScript)Led technical teams (2-5 developers)Permanent contract.Trainings & Certifications. Home Office.Health insurance.Omega CRM, a Merkle Company, is a global digital company specialising in accelerating the Business Experience (BX) of our clients through customer-centric solutions, technology, and data – all enhanced by AI.Together with Merkle, we form the largest Customer Experience Management (CXM) agency in Spain, and as part of the dentsu group, we offer end-to-end solutions that integrate media, creativity, content, technology, and strategy to deliver real business impact.With over 23 years of experience, a team of 580+ professionals from 24 nationalities, and 2,500+ certifications, Omega CRM is a recognised leader in the Salesforce ecosystem in Spain.Client satisfaction is at our core (rating: 4.9/5), and we've been recognised with awards such as Salesforce Partner of the Year FY23 and Most Innovative Project (Iberia).At Omega CRM, we believe in growth through people – guided by our values: #