Back End Developer (Python/GO/AWS) - Hybrid from Zaragoza

A fantastic opportunity for a driven Backend Software Developer to join fast-growing deep-tech company, who provide hyper-efficient software to global companies across finance, energy, manufacturing and cybersecurity to gain an edge with quantum computing and artificial intelligence.

• 2-5 years of experience developing and maintaining backend systems in Python or Go.
• Strong understanding of RESTful API or gRPC design, versioning, and performance optimization.
• Experience with Docker and basic familiarity with Kubernetes for deploying scalable services.
• Solid understanding of relational databases (PostgreSQL/MySQL) and schema design.
• Experience integrating or automating workflows across multiple systems (data, CI/CD, ML).
• Proficiency with Git, testing frameworks, and CI/CD pipelines (GitLab, GitHub Actions).
• Experience with AWS or cloud-based deployment environments.
• A product-oriented mindset - able to turn R&D scripts or prototypes into stable, usable APIs or microservices.

Bonus Experience

• Experience with ML workflow orchestration (Flyte, Airflow, MLflow, or Kubeflow).
• Exposure to LLM inference/deployment tools (vLLM, Hugging Face Hub, NVIDIA NIM, or Triton).
• Experience building or integrating benchmarking, evaluation, or data automation pipelines.
• Demonstrated ability to collaborate with product and design teams to define backend contracts that enable intuitive user experiences.