Senior Full Stack Developer - E-commerce Platform en Madrid, España

About the role

We are seeking a Senior Full Stack Developer to join our dynamic team in Madrid, Spain. This is a Full-time, on-site position where you will take ownership of building and maintaining our cutting-edge e-commerce platform. You will work with modern technologies and collaborate with cross-functional teams to deliver high-quality solutions that serve thousands of customers daily. Your expertise will be crucial in architecting scalable backend systems and creating intuitive user interfaces that drive business growth.

Who are we looking for

We're looking for an experienced Full Stack Developer with a minimum of 6 years of professional development experience. You should have a strong passion for clean code, performance optimization, and user-centric design. The ideal candidate is a problem-solver who thrives in fast-paced environments, communicates effectively with both technical and non-technical stakeholders, and is committed to continuous learning. You should have experience leading junior developers and mentoring team members. Fluency in Spanish is essential for this role as you will be working closely with Spanish-speaking teams and clients.

Skills and competencies

• Proficiency in JavaScript/TypeScript, React, https://jobeax.com/link/JSd7UYCSg572jJDY, and https://jobeax.com/link/AfY7qZRjVtazPhHg
• Strong experience with relational databases (PostgreSQL, MySQL) and NoSQL solutions (MongoDB)
• Experience with RESTful APIs, GraphQL, and microservices architecture
• Proficiency in Git version control and CI/CD pipelines
• Understanding of cloud platforms (AWS, Azure, or Google Cloud)
• Strong knowledge of responsive design and frontend frameworks
• Experience with Docker and containerization
• Excellent problem-solving and debugging skills
• Strong communication skills in Spanish and English
• Experience with agile methodologies (Scrum, Kanban)

What we offer

• Competitive salary package with performance bonuses
• Comprehensive health and wellness benefits
• Professional development and training opportunities
• Flexible working hours within core business hours
• On-site work environment with modern facilities in Madrid
• Collaborative team culture with regular team building activities
• Career advancement opportunities within a growing company
• Access to latest development tools and technologies
• Annual leave of 25 days plus Spanish public holidays
• Pension scheme and life insurance coverage

Additional requirements

• Proven portfolio or GitHub repository showcasing your work
• Experience with e-commerce or fintech platforms is a plus
• Knowledge of payment gateways and security best practices
• Background in performance optimization and scalability
• Experience with testing frameworks (Jest, Mocha) preferred
• Willingness to mentor and guide junior team members

About us

We are a rapidly growing technology company focused on transforming the e-commerce landscape in Spain and beyond. Our mission is to empower businesses with innovative digital solutions that drive growth and customer satisfaction. We pride ourselves on fostering a collaborative, inclusive work environment where creativity and technical excellence are valued.