Senior Full Stack Developer Barcelona 3–6 Month Engagement I’m currently working with a high-growth AI-focused technology team looking for a Senior Full Stack Developer to join them on an initial 3–6 month engagement . This is a great opportunity for someone who wants to get involved in a technically interesting environment, working across modern frontend, backend, and cloud technologies. What you’ll be doing: Building and maintaining web applications using Next.js and React Developing responsive and intuitive interfaces with Tailwind CSS Working closely with backend engineers to design, integrate and test Fast API services Developing backend components in Python , with a strong focus on quality and testing Deploying and managing applications across AWS Improving application performance, scalability and security Troubleshooting and optimising existing applications Working within a Scrum/Agile environment ,



contributing to sprint planning, stand-ups and retrospectives Collaborating with designers, developers and product managers to deliver new features Supporting and mentoring more junior developers and providing technical guidance Tech stack: Next.js & React Tailwind CSS Python & Fast API AWS – EC2, S3, Lambda, RDS Playwright, Cucumber & pytest Git & Agile/Scrum Looking for: 4–5+ years of experience with React / Next.js and full-stack development Strong Tailwind CSS experience Solid Python backend experience Hands-on AWS experience Strong testing and engineering practices Comfortable working in an Agile environment Nice to have: Docker, Git Hub Actions, serverless architectures, Sonar Cloud/Snyk, Turbo Repo and Storybook.

📌 Full stack engineer (Madrid)
🏢 SustainRecruit Talent
📍 Madrid