Full Stack Engineer; Python

Full Stack Engineer (Python, React with Type Script)

Location: Barcelona, Spain – Full‑time, regular.

Datavant is the 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 for organizations across the healthcare ecosystem – including providers, health plans, researchers, and life sciences companies. By joining Datavant today, you’re stepping onto a driven and highly collaborative team that is passionate about creating transformative change in healthcare.

Join Us as We Build the Datavant 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 Software Engineer in our Life Sciences Tech Hub, you will design and build systems that enable secure, privacy‑preserving access to high‑quality healthcare data used by pharmaceutical companies, biotech innovators, and research organizations worldwide. Your work will directly support the development of new therapies, accelerate clinical trials, and improve patient outcomes by ensuring that critical data is interoperable, scalable, and trustworthy.

As a Full‑Stack Engineer, you will build and scale user‑facing applications and backend services that support complex data‑driven workflows. You will contribute across the stack, from designing APIs in Python to developing intuitive interfaces in React. This role provides meaningful ownership of features that directly impact customers and internal stakeholders.

• Design and implement backend services using Python and Django/Flask/FastAPI
• Build responsive, maintainable front‑end applications using React with Type Script
• Develop and maintain RESTful APIs and data models
• Collaborate with Product and Design partners to deliver high‑quality features
• Write automated tests and participate in code reviews to ensure reliability
• Optimize application performance, scalability, and security

• Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience
• 2+ years of full‑stack software development experience for junior candidates; 5+ years for senior candidates
• Professional experience building backend services in Python and Django/Flask/FastAPI
• Experience developing front‑end applications using React
• Experience working with relational databases and version control systems
• Experience integrating agentic code generation tools such as Claude Code or Codex into day‑to‑day software engineering practice

• Experience designing and maintaining RESTful APIs in production environments
• Familiarity with cloud platforms such as AWS, GCP, or Azure
• Experience implementing CI/CD pipelines
• Familiarity with architectures spanning cloud and on‑premises infrastructure
• 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

To ensure the safety of patients and staff, many of our clients require post‑offer health screenings and proof and/or completion of various vaccinations such as the flu shot, Tdap, COVID‑19, etc. Any requests to be exempted from these requirements will be reviewed by Datavant Human Resources and determined on a case‑by‑case basis. Depending on the state in which you will be working, exemptions may be available on the basis of disability, medical contraindications to the vaccine or any of its components, pregnancy or pregnancy‑related medical conditions, and/or religion.

Datavant is committed to a work environment free from job discrimination. We are proud to be an Equal Employment Opportunity employer and all…