Backend Engineer with DevOps Skills (AWS + Kubernetes) - Spain Remote
2 days ago
Valencia
Design, develop, and operate backend services and cloud infrastructure based on AWS and Kubernetes, ensuring availability, scalability, and security across the platform. ResponsibilitiesBackend & Microservices • Develop and maintain backend services (ideally Python / FastAPI or similar)., • Design APIs, data pipelines, and internal services., • Integrate services with relational or time-series databases (MariaDB, InfluxDB, QuestDB). DevOps & Cloud • Operate and deploy services on Kubernetes (manifests, Helm, Kustomize)., • Build and maintain Docker images and container workflows., • Implement CI/CD pipelines (GitHub Actions, GitLab CI, Bitbucket Pipelines)., • Manage infrastructure in AWS (IAM, VPC, S3, ECR, EC2/EKS, CloudWatch)., • Apply Infrastructure-as-Code principles (Terraform or Ansible). Observability & Security • Configure logging, metrics, and monitoring (Grafana, Prometheus, Loki, CloudWatch)., • Apply security best practices in deployments, networking, and API design., • Manage backups, restore procedures, and data retention policies. Collaboration • Work closely with engineering and R&D teams to integrate sensors, services, and data sources., • Document system architecture, data flows, operational procedures, and deployments., • Proactively propose improvements in cost efficiency, reliability, automation, and developer experience. Required Skills (Hard Skills) • Strong experience in backend development (ideally Python; Go, Java, or Node also welcome)., • Proficiency with Docker and secure container image creation., • Hands-on experience in Kubernetes operations (manifests, Helm, Kustomize, debugging)., • Solid knowledge of AWS (IAM, VPC, S3, EC2/EKS, logging/monitoring)., • Good understanding of networking fundamentals: TCP/UDP, firewalls, load balancers, DNS., • Experience with relational or time-series databases (MariaDB, InfluxDB, QuestDB)., • Comfortable using Git and working with CI/CD pipelines., • Bash scripting and strong documentation practices., • Experience using AI-assisted coding tools (GitHub Copilot, Claude, Cursor, etc.). Soft Skills • Self-starter: able to take initiative and move projects forward independently., • Team player with strong communication skills., • Comfortable in remote-first, distributed working environments., • Strong ownership mentality: takes responsibility end-to-end., • Able to deliver quickly with solid quality, balancing speed and engineering rigour., • Comfortable with changing requirements and fast-paced environments., • Enjoys fast feedback loops, iterative delivery, and continuous improvement., • Thrives in a startup environment where flexibility and autonomy matter. What We Offer • A technical project with real-world impact in industrial and research environments., • High autonomy and direct influence on technical decisions., • A small, manageable team with low bureaucracy., • Full remote work., • A long-term growth opportunity. Salary & Compensation • €40,000 gross annual salary, • Stock options as part of the long-term incentive plan Recruitment Process • Introductory Interview (30 min) Get to know each other, discuss your experience, and explain the role and product., • Take-Home Technical Test (4–6 hours, to complete within 1 week) A practical backend/DevOps exercise you complete at your own pace., • Technical Review Interview (1 hour) Deep dive into your solution, architecture reasoning, and approach., • Founders Interview & Cultural Fit (30 min) Alignment on values, expectations, and working style., • Final Alignment Call (30 min) Clarify compensation, logistics, and next steps before the offer.