> Markdown version of [/jobs/ext/3278926-senior-full-stack-developer-backend-focus-spanish-native-or-conversational](https://www.wearedevelopers.com/jobs/ext/3278926-senior-full-stack-developer-backend-focus-spanish-native-or-conversational). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Developer (Backend Focus) - Spanish: Native or Conversational - **Company:** Publica Partners, LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** PHP (Programming Language), Software as a Service, Static Program Analysis, Software Quality, Code Review, Digital Content, Digital Libraries, Distributed Systems, Laravel, OAuth, Open Source Technology, Payment Gateway, Redis, Security Assertion Markup Language (SAML), SQL Databases, Systems Integration, User-Centered Design, Web Application Frameworks, System Availability, Phpunit, Backend, Stripe, Front End Software Development, Data Pipelines, Serverless Computing - **Published:** September 27, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=275cd9b44405e13f ## About the Role * 6+ years of full stack development experience with strong backend focus. * Deep expertise in PHP and Laravel framework (at least 3 years with Laravel). * Strong SQL database knowledge. * Experience building and scaling multi-tenant SaaS applications. * Solid understanding of queue-based architectures and background processing. * Experience with testing frameworks (PHPUnit/Pest) and static analysis tools. * Native Spanish speaker or conversational-level proficiency required. Strong written communication skills in English and Spanish (most of our communication is async and written). Portuguese is a plus. * Proactive mindset and ability to work effectively in a remote team environment. Nice to have * Understanding of UX principles and ability to collaborate with designers. * Frontend experience with modern JavaScript frameworks and component-based architectures. * Experience with SingleStore or other distributed SQL databases (TiDB, CockroachDB). * Livewire and Alpine.js development experience. * Laravel Nova administration panel experience. * Experience with AWS Lambda and serverless architectures. * Payment gateway integration experience (Stripe, MercadoPago). * Experience with content processing pipelines (PDF, EPUB, audio files). * Familiarity with SAML 2.0 and OAuth implementations. * Experience with e-commerce platforms and subscription billing. * Contributions to open-source Laravel packages or projects. How we work * 100% remote team working across different time zones. * Async-first communication with clear written documentation. * We value code quality, testing, and maintainability. ## Description publica.la is a B2B SaaS platform trusted by hundreds of publishers, bookshops, and libraries worldwide to power their digital content sales. Our multi-tenant platform processes millions of transactions across 156 countries, managing digital libraries, subscriptions, and e-commerce at scale. We're looking for a Senior Full Stack Developer with strong backend expertise to help us build and scale the core systems that power this growth. You'll work with Laravel/PHP, SingleStore, multi-tenant architecture, and distributed systems., * Design and develop new features for our multi-tenant SaaS platform, with focus on backend services. * Build and maintain scalable Laravel applications with PHP, SingleStore, and Valkey/Redis. * Work with distributed SQL databases (SingleStore) and implement efficient multi-tenant data isolation patterns. * Develop and optimize queue-based background processing for content ingestion, payments, and analytics. * Collaborate with frontend developers on Livewire and Alpine.js integration. * Ensure code quality through testing (PHPUnit/Pest), static analysis (PHPStan), and code reviews. * Participate in architecture decisions and technical planning for platform scalability. * Work directly with customers to understand their needs and improve the product. * Maintain and improve existing features, ensuring platform reliability and performance.