Fullstack Software Engineer

About the Fullstack Engineer Offer.

Our client, a fast-growing organization leveraging AI-driven technology, is looking for a motivated Full Stack Developer to join our product and engineering team.

If you are passionate about building scalable applications that generate real impact and want to work in a dynamic, data-driven environment, this is the opportunity for you.

What are the roles and responsibilities of a Fullstack Engineer?

As a Fullstack Engineer with a frontend emphasis, you will work closely with product, data, and computer vision teams to deliver responsive, intuitive, and scalable user interfaces.

• Develop modern, dynamic frontend applications using React (Next Js), with a strong eye for user experience and performance.
• Collaborate in the design and refinement of backend APIs and data models to support seamless frontend integration.
• Implement efficient state management, reusable components, and responsive design principles for cross-device compatibility.
• Contribute to backend logic and integration, primarily with Node.js services and RESTful APIs, when needed.
• Optimize application behavior to ensure fast load times, efficient performance, and smooth user experiences.

What skills should I have to be a good Fullstack Engineer?

• Minimum of 3 years of hands-on experience with React and Node. * If you only work with one of the technologies, don’t hesitate to apply anyway.*
• Bachelor's degree in Computer Science, Engineering, or a closely related technical field is required. Applications from candidates who do NOT meet this requirement WILL NOT BE CONSIDERED.
• Strong proficiency in front end development using React and/or Node Js.
• Solid understanding of RESTful APIs, asynchronous programming, and real-time technologies like WebSockets.
• Hands-on experience with MongoDB and MySQL, working across both NoSQL and relational database environments.
• Familiarity with DevOps tools such as GitHub Actions, Docker, and cloud infrastructure including AWS.
• Fluent in English and Spanish, both written and spoken. (Catalan is a plus)

Why should I apply for the Fullstack Engineer Offer?

• A high-impact role in a growing company.
• Flexible working hours and hybrid model. (Barcelona city based)
• Flat hierarchy and agile, collaborative environment.
• Access to exciting international projects.
• Competitive salary based on experience and qualifications, with expectations starting from €30,000 gross annually.