Senior Full Stack Developer Barcelona3–6 Month EngagementI’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 ReactDeveloping responsive and intuitive interfaces with Tailwind CSSWorking closely with backend engineers to design, integrate and test FastAPI servicesDeveloping backend components in Python, with a strong focus on quality and testingDeploying and managing applications across AWSImproving application performance, scalability and securityTroubleshooting and optimising existing applicationsWorking within a Scrum/Agile environment,



contributing to sprint planning, stand-ups and retrospectivesCollaborating with designers, developers and product managers to deliver new featuresSupporting and mentoring more junior developers and providing technical guidanceTech stack:Next.js & ReactTailwind CSSPython & FastAPIAWS – EC2, S3, Lambda, RDSPlaywright, Cucumber & pytestGit & Agile/ScrumLooking for:4–5+ years of experience with React / Next.js and full-stack developmentStrong Tailwind CSS experienceSolid Python backend experienceHands-on AWS experienceStrong testing and engineering practicesComfortable working in an Agile environmentNice to have: Docker, GitHub Actions, serverless architectures, SonarCloud/Snyk, TurboRepo and Storybook.

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