Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a general community of innovators, we foster a culture of growth, collaboration, and impact. With the right people and the right ideas, there’s no limit to what we can achieve Sounds awesome, right? Now, let’s make sure you’re a good fit for the role: Key Responsibilities Take full technical ownership of multiple products, including building new features, implementing technical improvements, and providing support to editorial teams. Develop and maintain Graph QL APIs using Node.js, with Nest JS experience as a plus. Design and optimize cloud-based applications and services using AWS . Work with Postgre SQL and other database technologies to build reliable and scalable data solutions. Lead and provide technical direction to a team of junior developers. Establish and enforce software engineering best practices, including coding standards,



code reviews, Git , CI/CD , and automated testing. Continuously optimize application architecture, performance, scalability, maintainability, and reliability. Build and promote reusable components and solutions that can be leveraged across multiple products and teams. Collaborate with stakeholders and technical teams to communicate solutions, demonstrate work, identify risks, and drive projects forward. Work effectively in a fast-paced, agile environment while meeting critical project timelines. Provide technical guidance and independently drive solutions while seeking feedback when appropriate. Must-have Skills 5+ years of experience architecting and building scalable web applications. Extensive experience building Graph QL APIs with Node.js . Strong experience with AWS , including: S3 EC2 RDS API Gateway Cloud Front Lambda In-depth knowledge of database technologies with hands-on experience using

📌 Lead fullstack engineer (Barcelona)
🏢 Wizeline
📍 Barcelona