Senior Full Stack Developer - E-Commerce Platform en Barcelona, España

About the role

We are seeking an experienced Senior Full Stack Developer to join our dynamic tech team in Spain. You will be responsible for designing, developing, and maintaining our cutting-edge e-commerce platform that serves thousands of customers daily. This is a Full-time, on-site position where you'll work with modern technologies and collaborate with cross-functional teams to deliver high-quality solutions. You'll take ownership of both frontend and backend development, ensuring seamless integration and optimal performance across all systems.

Who are we looking for

We're looking for a passionate developer with at least 7 years of professional experience in full stack development. You should have a strong background in JavaScript/TypeScript, React, https://jobeax.com/link/JSd7UYCSg572jJDY, and database management. The ideal candidate is proactive, detail-oriented, and thrives in a collaborative environment. You must have excellent problem-solving skills, be comfortable with agile methodologies, and have a proven track record of delivering projects on time. Spanish language proficiency is required for this position.

Skills and competencies

• Advanced proficiency in JavaScript/TypeScript and modern frameworks (React, https://jobeax.com/link/tzGekrj9a8ToGEDv)
• Strong backend development experience with https://jobeax.com/link/JSd7UYCSg572jJDY, Python, or Java
• Database design and optimization (SQL and NoSQL)
• RESTful API design and microservices architecture
• Version control systems (Git) and CI/CD pipelines
• Cloud platforms (AWS, Azure, or Google Cloud)
• Testing frameworks and quality assurance practices
• Web security best practices and OWASP compliance
• Leadership and mentoring capabilities for junior developers
• Fluent Spanish and professional English communication

What we offer

• Competitive salary package with performance bonuses
• Comprehensive health insurance coverage
• Professional development and training opportunities
• Flexible working hours with work-life balance
• Modern office equipment and collaborative workspace
• Team building activities and company events
• Career advancement opportunities within growing company
• Pension plan and life insurance benefits

Project Details

You will work on projects involving complex e-commerce systems, payment gateway integrations, and real-time analytics dashboards. The role involves architectural decisions, code reviews, and mentoring junior team members. This position requires on-site attendance in our Barcelona office with occasional flexibility for important team meetings. Full-time commitment is essential, typically 40 hours per week.

Additional Requirements

Bachelor's degree in Computer Science or related field preferred. Valid work authorization in Spain is required. You should be comfortable with performance optimization, system scalability, and implementing best practices in software development. Experience with e-commerce platforms is a plus. Willing to stay updated with emerging technologies and industry trends.