We believe business communication should be simple, flexible, and reliable, so founders and teams can focus on what really matters: growing their business.Over the past year, we've launched Rinkel in multiple European countries, introduced Rinkel AI Insights to help customers better understand their communication, and expanded our offering with fixed-line telephony. As a Senior Software Engineer (Laravel), you'll play a key role in maintaining and expanding Rinkel's Laravel-based backend platform. You'll work closely with frontend developers, product, and support colleagues across the Netherlands and Spain to deliver reliable, data-driven solutions.This is a hands-on role with a strong focus on quality, scalability, and ownership. You won't just implement features, you'll help shape how our backend systems evolve.Design, build, and maintain backend services and internal APIs using Laravel.Develop and improve data-driven features for invoicing, customer insights, and internal support tools.Integrate with a wide range of external APIs, including billing, CRM, analytics, and marketing platforms.Work with and combine multiple data storage systems such as MySQL, Redis, and MongoDB.Build and maintain background processes using Laravel queues and jobs (Redis-based), cron scheduling, and real-time data streams with MongoDB.Collaborate closely with frontend developers to ensure clean, well-documented, and reliable API integrations.Work in containerised environments (Docker) for local development and integration testing.Contribute to internal documentation and actively share backend best practices with the team.Advanced experience with Laravel, including queues, jobs, event bus, service containers, and Eloquent performance optimisation.Hands-on experience with MySQL, Redis, and MongoDB in production environments.Solid understanding of Git-based version control and common branching strategies.Working knowledge of automated testing, using frameworks such as PHPUnit or Pest.Comfortable communicating in English with colleagues across multiple locations and disciplines.We move quickly, but not at the expense of quality. We're a group of friendly colleagues who motivate and challenge each other, and aren't afraid to just do it (sadly, that slogan was already taken).An annual learning and development budget of €750~25 days of paid holiday~ Daily catered lunch at the office and regular Wednesday afternoon drinks (our famous WoMiBo)~ A small, diverse, and informal team where your voice really matters~ Travel expense reimbursement (reiskostenvergoeding)~ We'll invite you for a second interview with our CTO and our Senior Software Engineer Dennis, who you'd be working with closely.