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.

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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.

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.Annual Offsite: We bring the whole team together in Barcelona once a year for an unforgettable company offsite xqbhyrx 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?All applications and CVs must be submitted in English

📌 Senior Backend Developer (España)
🏢 Lodgify
📍 España