Senior Fullstack Developer (.NET/Java & React)

Role overview

Nexton seeks a Senior Fullstack Developer to join their Web & Cloud team in Paris. The role focuses on building scalable e-commerce platforms and complex business tools, ensuring seamless integration between backend systems and React-based frontends. You will design robust APIs for web and mobile ecosystems while maintaining technical excellence across the stack.

Responsibilities

• Architect and deploy high-performance e-commerce solutions
• Lead full-stack development using .NET, Java, and React
• Design and maintain RESTful APIs for cross-platform applications
• Collaborate with product teams to implement business requirements
• Optimize system scalability and reliability
• Mentor junior developers and share technical expertise

Requirements

• 5+ years of full-stack development experience
• Expertise in .NET/Java backend and React frontend
• Strong API design and integration skills
• E-commerce platform development experience
• Proficiency in agile methodologies
• Problem-solving mindset with code quality focus

Benefits

• Competitive salary and career growth
• Modern Paris office with flexible hours
• Tech stack flexibility and innovation budget
• Team of experienced engineers
• Professional development stipend