Who we are Lodgify is a fast-growing startup focused on building vacation rental software that enables property owners and managers to independently manage and market their business online. We are an international team of more than 290 people and 50 different nationalities in the heart of Barcelona, and we've been featured twice in Wired's 100 Hottest European startups list. About the role We are looking for a skilled and experienced Senior Backend Developer (C#/.NET) to work in an international and rapidly growing company. We are looking for a highly motivated developers who wants to lead the technical excellence of three of the company’s key projects: Core XP, Connect and Trust. A professional willing to be challenged and strive for better problem solutions; committed and willing to participate in Lodgify’s growth and success. What you will be doing Write code that meets high-quality standards, fully covering the code with tests Drive and support the initial solution design for critical features or complex refactors Participate in architectural discussions with the team Use best practices to improve existing code Collaborate in separating features into independent services to improve code stability and maintainability Actively participate in teamwork (Scrum, BE Tribe) Drive and support team’s focus on technical OKRs Actively contribute to elevating the technical knowledge of backend engineers Determine, document and prioritize technical debt and areas of improvement Flag technical debt and areas of improvements, making sure they are properly documented and taken into account when defining priorities. Requirements Minimum 5 years of experience with C# and.NET Core Very good grip on  SOLID principles Good practices on Unit Testing, Integration Testing, etc Good knowledge of  Domain-Driven Design Experience working with Entity Framework & PostgreSQL Experience working with container managers (e.g.: Docker, K8s) Excellent analysis skills to understand existing code Good communication and collaboration skills to openly discuss the best solutions with other tech leads and to present architecture and design decisions to the rest of the team Good level of spoken and written English Experience working with  Microservices architecture Good grasp on security best practices related to APIs and data privacy