Job Summary: Design scalable microservices and participate in AI/GenAI solutions, working with Python, FastAPI, Docker, and Kubernetes in a demanding technical environment. Key Highlights: 1. Design of scalable microservices and integration of AI/GenAI. 2. Use of modern technologies: Python, FastAPI, Docker, Kubernetes. 3. Collaboration with AI specialists and management of CI/CD pipelines. DESCRIPTION Are you interested in designing scalable microservices and participating in the production deployment of AI/GenAI solutions? You will work with Python, FastAPI, Docker, and Kubernetes in a demanding technical environment, fully remote. **Conditions:** * Permanent contract * Work location: Madrid (100% remote) * Working hours: Full-time * Salary: Up to 45.000 € gross/year **Responsibilities:** * Design, develop, and maintain microservice-based architectures using **Python** and **FastAPI**. * Build APIs following OpenAPI specifications and manage inter-service communication via REST and gRPC. * Containerize applications with Docker and orchestrate them with Kubernetes (pods, deployments, services, configmaps, secrets). * Collaborate with AI specialists to expose ML/GenAI models as scalable production services. * Integrate and orchestrate GenAI components (LangChain, LangGraph). * Manage CI/CD pipelines together with the DevOps team. * Monitor and optimize production systems. * Write clean, tested, and well-documented code. REQUIREMENTS **Mandatory:** * +2 years of experience as a Software Engineer. * Solid backend development experience with Python. * Proven experience in designing and implementing microservices with FastAPI. * Knowledge of REST, gRPC, and OpenAPI standards. * Experience with Docker and containerization workflows. * Engineering best practices: version control, testing, code reviews, CI/CD. * Advanced English level (B2/C1). **Desirable:** * Experience with LangChain and LangGraph. * Experience with AWS (S3, EC2, Lambda, API Gateway). * Experience deploying ML models as APIs. * Knowledge of DevOps tools (GitHub Actions, AWS CodePipeline, Terraform, CDK). * Experience with Kubernetes. * Experience in regulated environments (e.g., financial sector). **Digital Group** We are a team of over 100 technology professionals, offering stable projects with leading national and international clients, developing solutions in Artificial Intelligence, Cloud, Cybersecurity, etc. We commit to supporting you throughout every project phase to ensure your professional growth alongside us and that your contribution truly matters. Do you want to stay up-to-date with the latest technologies and seek new challenges? Send us your CV and we’ll contact you!