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 - €55,000About 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 suitableAI platforms, frameworks, and toolsto support Conversational Commerce use cases, prioritizingcost-effectiveness, scalability, and rapid deployment. AI Agents & Intent Recognition: Build and deploy advanced AI-drivenconversational agentscapable of detecting user intent, managing complex flows, and delivering personalized experiences acrosstext, audio, and imageinterfaces. Sentiment Analysis & Dynamic Flows: Integratereal-time sentiment analysisto personalize conversations dynamically and improveuser satisfaction and conversion rates. Conversational Commerce (cCommerce): TransformWhatsAppand other messaging platforms into powerful commerce channels by integratingrecommendations, payments, and seamless customer journeys. Retrieval-Augmented Generation (RAG): Design and implementRAG pipelinescombining 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. Driveexperimentation, prompt design, and model evaluation, contributing to Spoki’s evolving AI strategy. Scalability & Security: Ensure AI systems comply withEU 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 least75% of development AI-assisted. Focus onarchitecture, orchestration, and reviewrather 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 inPython(and optionallyGolang). Databases: Solid understanding ofSQLandNoSQLdatabases (PostgreSQL, Firestore, DynamoDB). Experience withVector Databases(Milvus, FAISS, Pinecone, etc.). AI & LLM Development: Skilled inPrompt Engineering(instruction tuning, chain-of-thought, multi-shot prompts). Understanding ofRAG architectures,embeddings, andknowledge retrieval systems. Experience withreal-time sentiment analysisand conversational flow adaptation. System Design & Architecture: Expertise inevent-driven, distributed systemsandmicroservice architectures. Knowledge ofasynchronous 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 withLoRA,QLoRA, or full model fine-tuning pipelines. Automation Tools:Familiarity withAI-assisted development(Cursor, Windsurf, GitHub Copilot). Prompt Evaluation:Experience designing automatedprompt testing frameworks. Monitoring:Use ofLangSmith,Weights & Biases, or similar tools for LLM performance tracking. Security Awareness:Knowledge ofdata 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.