Full Stack Developer

Key Responsibilities Design, develop, and maintain scalable, high-performance web applications. Integrate AI/ML models and APIs (including LLMs, embeddings, and vector databases) into full stack solutions. Collaborate with product managers, data scientists, and designers to build intelligent, user-centric features. Develop reusable, efficient, and testable code for both client-side and server-side components. Optimize applications for speed, scalability, and security. Troubleshoot, debug, and enhance both AI-enabled and traditional applications. Implement best practices in software development, including code reviews, automated testing, and CI/CD pipelines. Stay current with emerging AI technologies, frameworks, and development trends. Mentor junior developers and contribute to technical strategy. Required Qualifications 7+ years of professional software development experience. Strong hands-on experience with front-end frameworks (React, Angular). Solid experience with server-side technologies (Node.js, Express.js, or similar). Experience integrating AI/ML solutions into applications (e.g., OpenAI, Hugging Face, LangChain, RAG pipelines). Familiarity with vector databases for semantic search and retrieval. Understanding of RESTful APIs, GraphQL, and microservices architecture. Cloud experience with AWS, Azure, or GCP and containerization (Docker, Kubernetes). Strong problem-solving skills, attention to detail, and ability to work in fast-paced environments. Preferred Qualifications Experience with TypeScript for large-scale applications. Proficiency with databases (SQL and NoSQL, e.g., PostgreSQL, MySQL, MongoDB). Familiarity with LLM fine-tuning, embeddings, and prompt engineering. Knowledge of MLOps practices for deploying and monitoring AI models. Background in system design and architecture for AI-enabled platforms. Contributions to open-source projects or a strong technical portfolio. What We Offer Competitive salary and benefits package. Opportunity to work on impactful, large-scale projects. Collaborative and innovative team environment. Continuous learning and career growth opportunities. Remote work, with 1 day a month in the office in Barcelona. Include this role's title in your subject line (it will help us to sort through the emails) Send along links that best showcase the relevant things you have built and done