Senior Backend Developer - Quantum Ai Systems

Backend Software EngineerWe are seeking a skilled Backend Software Engineer to join our team in Zaragoza, Spain.This is a 9-month contract position that will play a key role in the development and maintenance of our backend systems.Key Responsibilities : - Design, develop, and deploy scalable and efficient backend services using Python or Go.- Collaborate with the team to identify and prioritize project requirements and ensure timely delivery.- Maintain and improve existing codebase, ensuring high-quality standards and adhering to best practices.- Work closely with cross-functional teams to integrate backend services with other systems and tools.- Participate in code reviews and provide constructive feedback to ensure high-quality code.Requirements : - 2-5 years of experience in developing and maintaining backend systems.- Strong understanding of RESTful API or gRPC design, including versioning and performance optimization.- Experience with Docker and basic familiarity with Kubernetes for deploying scalable services.- Solid knowledge of relational databases (PostgreSQL, MySQL) and schema design best practices.- Experience integrating or automating workflows across multiple systems (data pipelines, CI / CD, ML tooling).- Proficiency with Git, testing frameworks, and CI / CD platforms (GitLab, GitHub Actions).- Experience with AWS or other cloud deployment environments.Preferred Qualifications : - Experience with ML workflow orchestration tools (Flyte, Airflow, MLflow, Kubeflow).- Exposure to LLM inference and deployment tools (vLLM, Hugging Face Hub, NVIDIA NIM, Triton).- Experience building or integrating benchmarking, evaluation, or data-automation pipelines.- Familiarity with message queues or event-driven systems (Kafka, NATS, RabbitMQ).- Understanding of observability tooling (Prometheus, Grafana, OpenTelemetry).About the Role : This is an exciting opportunity to join a leading European deep-tech company at the forefront of quantum and AI innovation.The successful candidate will be part of a dynamic team that values collaboration, innovation, and continuous learning.Benefits : We offer a competitive compensation package, including benefits and opportunities for growth and development.Please note that we may collect your personal data as part of the application process.