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.