Full Stack Engineer

SustainRecruit Talent; Cataluña; Presencial; EUR 70.000 - 90.000; A tiempo parcial

Descripción de la vacante

SustainRecruit Talent is seeking a Senior Full Stack Developer to join a high-growth AI-focused tech team in Barcelona on a 3–6 month engagement. You will work across frontend, backend, and cloud across Next.js, React, Tailwind, Python and AWS to deliver high-quality software.

You’ll collaborate with designers, product managers and backend engineers, mentor junior developers, participate in Agile ceremonies, and contribute to performance, security and testing.

Formación

• 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.

Responsabilidades

• Build and maintain web applications using Next.js and React.
• Develop responsive interfaces with Tailwind CSS.
• Collaborate with backend engineers to design and test FastAPI services.
• Develop backend components in Python, with a focus on quality.
• Deploy and manage applications on AWS.
• Improve performance, scalability and security.
• Troubleshoot and optimize existing applications.
• Work within a Scrum/Agile environment, contributing to ceremonies.
• Collaborate with designers, developers and product managers to deliver features.
• Mentor junior developers and provide technical guidance.

Conocimientos

React / Next.js expertise

Tailwind CSS

Python backend development

AWS experience

Testing practices

Agile / Scrum

Herramientas

Next.js

React

Tailwind CSS

Python

FastAPI

AWS

Playwright

Cucumber

pytest

Git

Agile/Scrum

Descripción del empleo

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.