Backend Engineer (Python)

Datavant is expanding its global footprint with the development 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.

At Datavant, our Life Sciences technology powers clinical research, real-world evidence generation, pharmacovigilance, and data collaboration across the healthcare ecosystem. 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.

Careers at Datavant offer the chance to apply your technical expertise and problem-solving skills in support of our mission: enabling every healthcare decision to be powered by the right data, at the right time, in the right format. We’re looking for problem-solvers, game-changers, innovators, dreamers, doers - people who are ready to move the needle and build on our success.

Why join Datavant’s tech team? 

• You’ll collaborate with other engineering leaders on all matters that impact the Engineering team, including resourcing and building technology/product vision
• You’ll have the opportunity to coach and mentor colleagues, including code reviews, higher-level software design, and direct management
• The team works on a technical stack which includes both cloud and on-premise deployments, big-data ingestion and analytics, distributed systems, and algorithmic complexity.

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, with a focus 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 to power those applications (e.g. Clean Rooms, EventBridge, etc.)
• →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/CloudFormation/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)