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.