Senior Full-Stack Engineer (Spanish-speaking)

N-iX is recruiting for a Senior Full-Stack Engineer to join a client who is a leading global fashion retailer operating in over 200 markets with both e-commerce platforms and physical stores. The company manages the entire fashion value chain with a focus on flexibility, digital integration, and sustainability. Engineering teams work in small, autonomous product teams owning the full lifecycle of their solutions, collaborating directly with stakeholders and users.

• 5+ years of software development experience
• 4+ years of strong Java development experience with Maven
• 2–3 years of experience with Spring framework and building Spring-based web applications
• Solid understanding of microservices architecture and RESTful APIs (OpenAPI)
• Experience with modern frontend technologies including React, Redux, Redux-Saga, TypeScript, ES6
• Experience with HTML5, CSS3/SCSS, responsive design techniques, and frontend performance optimization
• Strong knowledge of OOP, OOD, DDD, and design patterns
• Experience with relational databases and NoSQL solutions (e.g., MongoDB)
• Experience with Kafka and event-driven architectures
• Experience working with cloud platforms such as AWS or Azure
• Experience working in Agile environments and understanding Agile development practices
• Experience actively using AI tools in the development workflow
• Spanish – Upper-Intermediate or higher (required)
• English – Upper-Intermediate or higher

• Participate actively and constantly in the design and development of APIs
• Ensure the availability and resilience of services supporting the company's business
• Ensure the quality of development and code cleanliness (Clean Code)
• Continuously improve style guides, design, code patterns, and React component library
• Implement scripts for test case automation
• Perform automatic and manual exploratory testing during development to verify acceptance criteria
• Maintain and evolve automated test cases with QA
• Work closely with the Product Owner to support technical definition of product backlog items
• Guarantee continuous deployment
• Write qualitative, maintainable code with extensive test coverage in a fast-paced environment
• Suggest technical and functional improvements to add value to the product