Backend Engineer with DevOps Skills (AWS + Kubernetes) - Remote (only Spain)

VoltAI Innovations; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading tech firm in Spain seeks a backend developer specializing in cloud infrastructure. The candidate should have strong experience with Python and AWS and be proficient in deploying services on Kubernetes. The role offers full remote work, a competitive salary of €40K, and stock options. The ideal applicant is a self-starter who thrives in a distributed team and enjoys taking ownership of projects.

Servicios

High autonomy in project decisions

Stock options

Opportunity for long-term growth

Small team with low bureaucracy

Formación

• Strong experience in backend development, preferably with Python, Go, or Java.
• Proficiency with Docker and secure container image creation.
• Hands-on experience in Kubernetes operations.
• Solid knowledge of AWS services.
• Experience with relational or time series databases like MariaDB or InfluxDB.
• Comfortable using Git and working with CI/CD pipelines.
• Familiarity with Bash scripting and documentation practices.

Responsabilidades

• Design and develop backend services and cloud infrastructure based on AWS.
• Operate and deploy services on Kubernetes.
• Document system architecture, data flows, and operational procedures.
• Work with engineering and R&D teams to integrate services.

Conocimientos

Backend development (Python)

Docker

Kubernetes operations

AWS

Relational or time-series databases

CI / CD pipelines

Bash scripting

AI-assisted coding tools

Descripción del empleo

Responsibilities

• Design, develop, and operate backend services and cloud infrastructure based on AWS and Kubernetes, ensuring availability, scalability, and security across the platform.
• 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).

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).
• 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: capable of taking initiative and moving projects forward independently.
• Team player with strong communication skills.
• Comfortable in remote‑first, distributed working environments.
• Strong ownership mentality: takes responsibility end‑to‑end.
• 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

• €40K - gross annual salary.
• Stock options as part of the long‑term incentive plan.

Recruitment Process

1. Introductory Interview (30 min) – Get to know each other, discuss your experience, and explain the role and product.
2. Take‑Home Technical Test (4–6 hours, to complete within 1 week) – A practical backend / DevOps exercise you complete at your own pace.
3. Technical Review Interview (1 hour) – Deep dive into your solution, architecture reasoning, and approach.
4. Founders Interview & Cultural Fit (30 min) – Alignment on values, expectations, and working style.
5. Final Alignment Call (30 min) – Clarify compensation, logistics, and next steps.