Backend Engineer; Python

Backend Engineer (Python, Kubernetes, AWS)

Barcelona, Spain
• Full-time regular application live.

Datavant is a data collaboration platform trusted for healthcare. Guided by our mission to make the world’s health data secure, accessible and actionable, we provide critical data solutions across the healthcare ecosystem—including providers, health plans, researchers, and life sciences companies.

As part of our Life Sciences Tech Hub in Barcelona, we are seeking talented technical professionals who are product‑oriented, impact‑driven, and motivated to help shape the future of healthcare technology.

As a Backend Engineer, you will design and build scalable services that power mission‑critical applications in a cloud‑native environment. You will develop Python‑based systems deployed on Kubernetes and AWS, focusing on reliability, performance, and security. This role offers strong ownership of backend architecture and the opportunity to shape platform standards and best practices.

• Design and implement backend services and APIs using Python frameworks.
• Build and deploy containerized applications on Kubernetes in AWS.
• Leverage specific AWS services (e.g., Clean Rooms, Event Bridge) to power those applications.
• Extend infrastructure as code and improve CI/CD pipelines.
• Optimize system performance, scalability, and fault tolerance.
• Collaborate with cross‑functional teams to define service contracts and architecture.
• Monitor production systems and resolve reliability and performance issues.

• Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience.
• 2+ years of backend software development experience for junior candidates; 6+ years for senior candidates.
• Professional experience developing production backend services and APIs in Python.
• Hands‑on experience with Kubernetes and containerized workloads.
• Experience deploying and operating services in AWS.
• Experience integrating agentic code generation tools such as Claude Code or Codex into day‑to‑day software engineering practices.

• Experience with infrastructure as code tools such as Terraform, Cloud Formation, or Pulumi.
• Familiarity with observability tools for logging, metrics, and tracing.
• Experience implementing secure authentication and authorization mechanisms.
• Understanding of architectural considerations for on‑premises deployments, including networking and security constraints.
• Knowledge of application security best practices (vulnerability management, security posture management, and risk assessment) and compliance frameworks (HIPAA, GDPR, HITRUST).

• Competitive and equitable salary.
• Hybrid work model, with two days per week based in our Gràcia office.
• Daily in‑office lunch stipend and access to a fully stocked kitchen.
• Comprehensive private health insurance, including out‑of‑network reimbursement options.
• 25 days of annual paid leave.
• Six‑week “Work from Anywhere” policy.

This job is not eligible for employment sponsorship.

Datavant is committed to a work environment free from job discrimination. We are proud to be an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.

At the end of this application, you will find a set of voluntary demographic questions. If you choose to respond, your answers will be anonymous and will help us identify areas for improvement in our recruitment process.