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 FastAPI 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 & FastAPI

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, GitHub Actions, serverless architectures, SonarCloud/Snyk, TurboRepo and Storybook.

📌 Full Stack Engineer (Barcelona)
🏢 SustainRecruit Talent
📍 Barcelona