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0TESTOPIA SPAIN S.L.
Barcelona, ES
Software Engineer (Backend & AI)
TESTOPIA SPAIN S.L. · Barcelona, ES
Javascript HTML Git xml Inglés Back-End Inteligencia artificial Infraestructura Requisitos técnicos Python Docker Cloud Coumputing
About This Role
We are looking for a Software Engineer who is passionate about the intersection of robust backend architecture and cutting-edge AI. You will build the digital infrastructure for modern engineering, designing scalable services and advanced AI agents. We value core engineering excellence (Clean Code, APIs, Databases) and a deep interest in modern AI patterns like RAG and Graph-based reasoning. Domain knowledge is a plus, but a strong engineering mindset is our priority.
- Design and maintain scalable backend services and APIs (REST/GraphQL).
- Develop and optimize agentic AI workflows and multi-agent systems.
- Implement advanced RAG pipelines and integrate Knowledge Graphs for structured reasoning.
- Build reliable data processing pipelines to feed AI models and engineering analytics.
- Collaborate with domain experts to translate complex technical requirements into elegant software.
- Maintain high standards of code quality through testing, CI/CD, and peer reviews.
- Strong foundation in Software Engineering (Architecture, Clean Code, Git).
- Proficiency in Python and/or TypeScript/Node.js.
- Hands-on experience with AI orchestration frameworks (e.g., LangChain, LangGraph).
- Experience with RAG (Retrieval-Augmented Generation) and Vector Databases.
- Familiarity with Prompt Engineering and Knowledge Graphs (e.g., Neo4j, RDF, or semantic modeling).
- Fluent English communication skills.
- Experience or interest in the automotive domain (vehicle signals, test workflows) is a plus.
- German language skills are a plus.
- Proficiency with Docker and modern Cloud infrastructure (Azure/K8).
- Creative freedom to innovate across different industries.
- Individual professional development paths.
- Flexible working hours and hybrid work options.
- A high-impact role within a motivated, international team in Barcelona.