Artificial Intelligence Developer

Artificial Intelligence Engineer Company: Spoki Location: Barcelona, Spain We require on-site presence at our San Vito dei Normanni (BR) office one week 4 times / year Salary Range: €30,000 - €55,000 About Us Spoki is a Conversational Platform that helps companies build authentic relationships with their customers through WhatsApp and Artificial Intelligence. We believe in the value of genuine connections and provide tools that enable marketing, sales, and customer care teams to communicate in a direct, effective, and personal way. Our culture is built on four key principles: an unwavering passion for what we do, putting customer success first, working as a united and collaborative team, and approaching challenges with an entrepreneurial and results-driven mindset. Key Responsibilities Adopt & Develop AI Solutions: Evaluate and implement the most suitable AI platforms, frameworks, and tools to support Conversational Commerce use cases, prioritizing cost-effectiveness, scalability, and rapid deployment. AI Agents & Intent Recognition: Build and deploy advanced AI-driven conversational agents capable of detecting user intent, managing complex flows, and delivering personalized experiences across text, audio, and image interfaces. Sentiment Analysis & Dynamic Flows: Integrate real-time sentiment analysis to personalize conversations dynamically and improve user satisfaction and conversion rates. Conversational Commerce (cCommerce): Transform WhatsApp and other messaging platforms into powerful commerce channels by integrating recommendations, payments, and seamless customer journeys. Retrieval-Augmented Generation (RAG): Design and implement RAG pipelines combining embeddings, vector databases, and retrieval systems to enhance AI context awareness. Collaboration & Integrations: Work closely with product, design, and engineering teams to integrate AI models into existing APIs, workflows, and microservices. Innovation Leadership: Stay ahead of the latest AI and LLM trends. Drive experimentation, prompt design, and model evaluation, contributing to Spoki's evolving AI strategy. Scalability & Security: Ensure AI systems comply with EU data privacy standards, remain scalable under heavy load, and are optimized for cost and performance. Startup Mentality: Work hands-on, move fast, and contribute directly to a growing AI-driven product ecosystem. AI-Driven Development (Vibe Coding): Work closely with AI coding assistants to generate, refactor, and maintain production-ready code — with at least 75% of development AI-assisted. Focus on architecture, orchestration, and review rather than manual coding. Design effective prompts, validate AI-generated code, and ensure compliance with performance and security standards. Help evolve our internal "Vibe Coding" workflows and best practices for human–AI collaboration. Must To have Experience: 3+ years in AI software development, delivering production-grade solutions. Programming Languages: Strong proficiency in Python (and optionally Golang). Databases: Solid understanding of SQL and NoSQL databases (PostgreSQL, Firestore, DynamoDB). Experience with Vector Databases (Milvus, FAISS, Pinecone, etc.). AI & LLM Development: Skilled in Prompt Engineering (instruction tuning, chain-of-thought, multi-shot prompts). Understanding of RAG architectures, embeddings, and knowledge retrieval systems. Experience with real-time sentiment analysis and conversational flow adaptation. System Design & Architecture: Expertise in event-driven, distributed systems and microservice architectures. Knowledge of asynchronous processing, real-time data, and message queues. Frameworks & Tools: AI/LLM: MCP, LangChain, LangGraph, or custom agent orchestration frameworks. Web Frameworks: FastAPI, Django. ORM & Testing: SQLAlchemy, PyTest. Cloud & Storage: AWS or GCP (S3, Lambda, API Gateway, etc.). Task Queues: Celery, Dramatiq, AWS SQS, or Redis. External APIs: OpenAI, Anthropic, and transcription/image analysis services. Multilingual Environment: Comfortable working in an English-first, distributed, async-friendly team. Nice to have Fine-Tuning: Experience with LoRA, QLoRA, or full model fine-tuning pipelines. Automation Tools: Familiarity with AI-assisted development (Cursor, Windsurf, GitHub Copilot). Prompt Evaluation: Experience designing automated prompt testing frameworks. Monitoring: Use of LangSmith, Weights & Biases, or similar tools for LLM performance tracking. Security Awareness: Knowledge of data anonymization, secure API design, and GDPR compliance. Work Policy for Barcelona This is a on site position based at the Aticco Bogatell coworking space in Barcelona. Employees working from the Barcelona office must spend 1 full week at the San Vito dei Normanni (Italy) office every 3 months (i.e., at least 4 times per year). The travel schedule will be defined in agreement with the manager. Expenses: 100% of travel and accommodation expenses are reimbursed by Spoki. What we offer Be part of building a cutting-edge Conversational Commerce platform poised for global expansion. Competitive compensation Work with an international, passionate, supportive, and talented team dedicated to excellence. The latest Apple MacBook Pro and all necessary tools. Career Levels: continuous growth with clear key points to help you design your personal and professional development in the direction you desire Permanent, full-time contract. Regular team-building events and celebrations. Access to cutting-edge technologies and resources to stay at the forefront of engineering and innovation.