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