About ImaginandoImaginando is an independent music software company building creative tools used by electronic musicians worldwide. Our products span iOS, Android, and desktop platforms, serving a global audience of producers, sound designers and visual artists. We are a focused, engineering-driven team working in a relaxed but serious environment. We are looking for a Senior Fullstack Engineer to help maintain and evolve our web platform and backend systems. The Role You will work on the backend and web infrastructure that powers: Online product sales Customer accounts and licensing Payment processing Invoicing integration Internal business workflows This role involves maintaining existing systems, improving reliability, and implementing new features when needed. You will collaborate closely with the founder and product team. Responsibilities Maintain and extend our Node.js / TypeScript backend Work with PostgreSQL (queries, migrations, optimization) Maintain and improve our Vue.js frontend Manage Stripe and PayPal integrations Maintain Moloni API integration (Portuguese invoicing system) Integrate third-party APIs Debug production issues Improve logging, monitoring, and error tracking (Sentry) Work with Docker-based deployments Support Cloudflare and basic server infrastructure Required Experience 5+ years professional experience Strong Node.js backend experience (TypeScript preferred) Solid PostgreSQL knowledge Experience with Knex and/or Bookshelf (or similar query builders/ORMs) Experience integrating Stripe & Paypal (required) Experience working with external APIs Comfortable debugging production issues Experience with Docker Linux / server understanding Familiarity with logging and monitoring tools Nice to Have Familiarity with Cloudflare Experience with DigitalOcean Experience with Moloni API (Portugal-specific) Experience working in small teams Profile Responsible and reliable Organized and detail-oriented Comfortable working independently Able to prioritize and solve problems calmly Interested in music technology (strong plus) Compensation €35,000 – €45,000 gross/year Depending on experience and level of autonomy. Work Environment On-site in Braga Full-time with exclusive dedication Small, focused team Relaxed but professional environment Direct impact on products used worldwide How to Apply Send your CV and a short introduction toTell us about the most complex backend feature you implemented and maintained.