At Vivara, a vibrant and independent startup in Barcelona, we are on the lookout for a Senior Backend Engineer to join our incredible team. Backed by GCO Ventures, Vivara is all set to transform the rental management industry and bring a wave of confidence and ease to the housing rental game.Your role will be instrumental in shaping Vivara's unique ecosystem, dexterously navigating the world of apartment hunting, and making perfect matches between landlords and tenants. With a strong focus on tailoring our approach to individual needs, we are determined to create a delightful rental experience for everyone and become the preferred choice in the rental market.As a Senior Backend Engineer, you will be responsible for the system build and functionality of our platform, ensuring performance and scalability.What you will work onWrite efficient, reusable and self-documented codeTesting is in your mindset at any time (Units, acceptance...)Developing new features following DDD and solid principlesDelivery is an essential part of our daily operationsDeployment code to the live (customer) environmentCollaborate effectively with engineers and product managers during team brainstorming sessions, participate actively in the decision-making process, and contribute to the development of architectural structures for new featuresOur tech stackNode, Typescript, Vue, Cloud Hosting, GitHub, Docker, FirebaseRequirements4-7 years of experience in Backend Development with modern languages and frameworks (e.G., NestJS, NodeJS, TypeScript, JavaScript)Proficient in cache systems, NoSQL (Redis preferred), SQL databases, and Git-based trunk developmentStrong understanding of DDD/SOLID principles, data structures, and Big-O notation for code complexityExperience with Docker, cloud hosting, and testing best practicesAbility to work independently and collaboratively within agile, cross-functional teams, preferably in a startup environmentProduct-focused mindset, identifying problems and crafting simple solutionsFluency in English and Spanish (both written and spoken)Benefits28 days of holidays.100% remote role with quarterly events to meet the team.Flexible working hours.€2,000 training budget.Flexible compensation through Edenred for meal tickets, mobility tickets, and childcare tickets.