Founding Engineer — Python, AWS & Infra Lead

Harrington Starr; España; Hybrid; EUR 65,000 - 95,000; Full time

Job summary

Harrington Starr is scouting a Software/Infrastructure Engineer in Spain to own both software development and cloud infrastructure. You will build tooling in Python, deploy AWS resources and shape the architecture while working in a genuinely hybrid startup setting.

You'll take ownership of the environment, improve reliability and performance, and implement CI/CD pipelines. The role suits someone who enjoys hands-on coding as well as designing scalable systems.

Qualifications

• 3–7 years of experience across software engineering, cloud infrastructure or DevOps.
• Hands-on experience with AWS infrastructure and networking.
• Strong Python skills and automation mindset.
• Comfortable working independently and taking ownership.

Responsibilities

• Build Python-based tooling to improve infrastructure operations.
• Design, deploy and manage AWS infrastructure (EC2, VPC, S3, IAM, ECS/EKS).
• Own AWS networking (routing, VPC Peering, Transit Gateway, VPNs, Direct Connect).
• Improve system reliability, scalability, monitoring and performance.
• Build and maintain CI/CD workflows and deployment automation.
• Troubleshoot Linux, cloud infra and networking issues.

Skills

Python

AWS

DevOps

Cloud infrastructure

Tools

Jenkins

GitLab CI

Job description

Harrington Starr is scouting a Software/Infrastructure Engineer in Spain to own both software development and cloud infrastructure. You will build tooling in Python, deploy AWS resources and shape the architecture while working in a genuinely hybrid startup setting.

You'll take ownership of the environment, improve reliability and performance, and implement CI/CD pipelines. The role suits someone who enjoys hands-on coding as well as designing scalable systems.