TL;DR

Backend Engineer (AI): Developing and maintaining backend systems and APIs for cutting-edge AI and quantum computing products with an accent on scalable microservices, API design, and cloud deployment. Focus on building efficient, production-ready backend services integrating ML workflows and optimizing performance in a hybrid work environment.

Location: Hybrid role based in Europe, likely Spain

Salary: €45,000+ annually

Company

%hirify_global% is a European deep-tech leader in quantum and AI, recognized as a top AI company globally and the largest quantum software company in the EU.

What you will do

Develop and maintain backend systems using Python or Go.
Design and optimize RESTful APIs and gRPC services.
Deploy scalable services using Docker and Kubernetes.
Work with relational databases like PostgreSQL and MySQL.
Integrate workflows across data, CI/CD, and ML systems.
Collaborate with product and design teams to deliver stable APIs and microservices.

Requirements

Must have 2–5 years experience in backend development with Python or Go.
Proficiency in API design, Docker, Kubernetes, and cloud deployment (AWS).
Strong understanding of relational databases and CI/CD pipelines.
English proficiency at least B2 level.
Hybrid work format in Europe.

Nice to have

Experience with ML workflow orchestration tools (Flyte, Airflow, MLflow, Kubeflow).
Familiarity with LLM inference/deployment tools and event-driven architectures.
Knowledge of observability tooling like Prometheus and Grafana.

Culture & Benefits

Competitive salary with signing and retention bonuses.
Relocation package available.
Flexible working hours and hybrid work model.
International, multicultural environment with strong focus on ethics, sustainability, and diversity.
Fast-scaling Series B startup with global impact.