Backend IA Engineer
Role details
Job location
Tech stack
Job description
Astek Iberia is seeking a passionate Backend Engineer to join our fintech partner in Valencia, Spain. You will help build scalable and secure AI-powered systems, maintaining robust services and designing GraphQL APIs., * Design and maintain robust services and GraphQL APIs.
- Integrate LLM/AI APIs into backend services.
- Collaborate with DevOps/MLOps to deploy services., * Bridge the gap between user-facing AI applications and core backend infrastructure by designing and maintaining robust services, GraphQL APIs, and data systems that power next-generation AI solutions on Azure.
- Integrate LLM/AI APIs (e.g., OpenAI, Anthropic) into backend services and optimize response latency.
- Design and develop GraphQL APIs using FastAPI and Strawberry.
- Architect and maintain relational databases, ensuring performance and data integrity.
- Collaborate with DevOps/MLOps to containerize and deploy services using Docker and CI/CD tools.
- Monitor production systems and continuously improve performance, scalability, and cost efficiency.
Requirements
The ideal candidate holds a degree in Computer Science or related fields, has 1-2 years of experience in backend development, and is fluent in both English and Spanish. Experience with Python, FastAPI, and LLM integrations is essential., * 1-2 years of experience in backend development or strong internships/projects.
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Professional working proficiency in English.
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Fluent in Spanish., Python FastAPI GraphQL (Strawberry) SQL & relational database design SQLAlchemy (or similar ORM) Git Docker & CI/CD fundamentals Monitoring and performance optimization Experience integrating LLM/AI APIs Secure tool/data integration English: fluent Spanish: fluent, * Degree in Computer Science, Software Engineering, or related field.
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1-2 years of experience (or strong internships/projects) in backend development or systems engineering.
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Professional working proficiency in English.
Required Skills
- Python
- FastAPI
- GraphQL (Strawberry)
- SQL & relational database design
- SQLAlchemy (or similar ORM)
- Git
- Docker & CI/CD fundamentals
- Monitoring and performance optimization
- Experience integrating LLM/AI APIs
- Secure tool/data integration (e.g., MCP)
- English: fluent (mandatory)
- Spanish: fluent (mandatory)
Nice to Have
- Experience with RAG (Retrieval-Augmented Generation)
- Knowledge of vector databases
- Hands-on experience with Azure cloud services