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Senior Backend Engineer at Lodgify. Location Information: . ⭐. Who we are. . Lodgify is a fast-growing scale-up company leading the vacation rental industry. Backed by $30M in funding, our platform empowers property owners and managers worldwide to efficiently manage and grow their business through technology. . . Headquartered in sunny Barcelona, we're now a team of 380+ people representing over 60 nationalities, united by a passion for transforming the future of short-term rentals.. ⭐️ Role Overview. . As a Senior Backend Developer in our Reservations Squad, you will take ownership of the financially critical heart of Lodgify’s platform—the booking lifecycle, financial calculations, and real-time availability calendar. You will tackle technical challenges head-on by advancing our event-driven architecture and completing critical database migrations while playing a key role in raising the bar for engineering reliability and team mentorship.. ⭐ How will you make an impact?. . Architect and evolve the booking core, managing the end-to-end lifecycle, quotes, taxes, fees, and financial ledger logic.. . Drive event-driven messaging using RabbitMQ outbox/inbox patterns and Kafka (Avro) to guarantee reliable data fan-out across payments, messaging, and channel managers.. . Lead the architectural transition from EF6/SQL Server to EF Core 8/PostgreSQL, executing zero-downtime schema updates that pave the way for continuous delivery.. . Decouple high-churn aggregates by strengthening anti-corruption boundaries and isolating cross-domain communication.. . Optimize our calendar backend-for-frontend service to deliver real-time availability and overbooking protection under strict latency requirements.. . Elevate system reliability by defining SLOs, implementing robust idempotency patterns, and refining observability in Datadog.. . Empower and mentor fellow engineers through constructive peer reviews, architectural documentation, and shared ownership of critical systems.. . ⭐ What makes you a great fit?. . 7+ years of professional experience building scalable backend services in C# and .NET Core / .NET 8.. . 3+ years of proven hands-on experience designing and operating distributed, event-driven architectures with RabbitMQ or Kafka.. . Deep practical knowledge of database internals, Entity Framework / EF Core, and executing zero-downtime schema migrations on PostgreSQL or SQL Server.. . Experience applying Domain-Driven Design (DDD), CQRS, onion/layered architecture, and Anti-Corruption Layer (ACL) patterns.. . Strong focus on operational excellence, testing, logging/APM instrumentation (Datadog), and idempotency design.. . A collaborative mindset focused on mentoring teammates, writing clear documentation, and solving complex problems pragmatically.. . ⭐ How can you earn extra bonus points?. . . Experience working in a microservices architecture.. . Knowledge use of DevOps tech. (K8s, Docker, Helm, GCP, ...).. . . Why you’ll love us:. . You’ll be part of a growing, dynamic company with a truly international team. At Lodgify, we are full of contagious energy, hard work, and passion for what we do. We celebrate diversity and are proud to acknowledge a variety of backgrounds, perspectives and skills in our team; committed to creating a workplace where everyone is heard and feels a sense of belonging.. . What's in it for you?. . 🏠 . Remote Flexibility:. The freedom to work from home.. . 🌴 . Time to Recharge:. 25 working days of paid vacation and Jornada Intensiva in August.. . 🛡️ . Alan Health Insurance:. Premium health, dental, and mental health support via Alan. Pre-existing conditions are covered.. . 💸 . Tax-Free Savings:. Increase your take-home pay by using . Flexible Remuneration. for meal costs (up to €220/mo) and public transport (up to €136/mo).. . 🖥️ . Home Office Gear:. We provide a table, ergonomic chair, and monitor for your home setup.. . 🇪🇸 . Language Learning:. Free Spanish classes.. . 🤑 . Referral Program:. Cash rewards for bringing in new talent.. . ✈️ . Annual Offsite:. We bring the whole team together in . Barcelona once a year. for an unforgettable company offsite!. . 🎯 . Dynamic Hub: . A high-energy, inclusive environment designed for collaboration and connection with a team that represents over 60 countries.. . So, what are you waiting for?. Apply now!. . All applications and CVs must be submitted in English 😉