Senior Fullstack Developer | Next.js / React / Python | Barcelona Hybrid

About the Position

Senior Fullstack Developer | Next.js / React / Python | Barcelona Hybrid

Build scalable web solutions with Next.js, React, Python, and AWS in a collaborative Barcelona hybrid team, while shaping architecture and mentoring developers.

Responsibilities

• Develop and maintain web applications using Next.js and React.
• Build responsive and modern user interfaces using Tailwind CSS.
• Develop and maintain backend components using Python and FastAPI.
• Integrate frontend and backend services and ensure reliable application behavior.
• Implement automated testing using pytest, Gherkin, Cucumber, and Playwright.
• Work with data visualization and charting libraries such as ECharts, Chart.js, or Recharts.
• Deploy and manage applications on AWS, including services such as EC2, S3, Lambda, and RDS.
• Ensure applications meet performance, scalability, and security requirements.
• Troubleshoot, debug, and optimize applications.
• Participate in Scrum ceremonies, including daily stand-ups, sprint planning, and retrospectives.
• Collaborate closely with developers, designers, and product stakeholders.
• Contribute to technical decisions, coding standards, and best practices.
• Mentor junior Fullstack Developers and provide guidance on technical challenges.

Requirements

• 4-5 years of experience in Fullstack development.
• Strong experience with Next.js and React.
• Experience with Storybook for UI component development.
• Strong knowledge of Tailwind CSS and responsive web development.
• Experience developing backend applications with Python and FastAPI.
• Experience with automated testing and pytest.
• Knowledge of Gherkin, Cucumber, and Playwright.
• Experience with AWS, particularly EC2, S3, Lambda, and RDS.
• Experience with charting libraries such as ECharts, Chart.js, or Recharts.
• Good knowledge of Git.
• Experience working in Scrum Agile environments.
• Strong problem-solving and analytical skills.
• Excellent communication and teamwork skills.
• Ability to mentor junior developers.
• English: Advanced level (C1).
• Spanish: Professional working proficiency.

Nice to Have

• Experience with GitHub Actions and CI/CD pipelines.
• Knowledge of Docker and containerization.
• Experience with serverless architectures.
• Experience with SonarCloud or Snyk.
• Familiarity with TurboRepo and monorepo environments.
• Stronger experience with Storybook and component-driven development.

We Offer

• Competitive salary according to experience.
• 23 days of vacation per year.
• 14 payments, including 12 monthly payments and two additional payments in June and December.
• Flexible compensation options including childcare vouchers and medical + dental insurance.

About the Company

Joining THEWHITEAM means becoming part of a company made up of professionals with extensive experience in technology consulting.

We firmly believe that companies and clients set the direction of the industry, but people are the ones who build it. We consider our people our greatest asset and a key part of the value we provide.

About The White Team

Founded in 2012 by experienced consultants, The Whiteam was born as a quality technology consultancy with a clear mission: to help companies around the world optimize their business profitability through the efficient use of information technologies.