Senior Backend Engineer

What you'll do

About Powerful Medical

About the Role

You’ll work closely with Product, Frontend, and AI to ship new features, improve system reliability, and shape backend architecture that scales with our growth. This is a role for someone who wants real ownership: making architectural decisions, solving hard backend challenges, and building production systems where reliability, security, and correctness truly matter. We are changing cardiology healthcare globally. If you want to solve meaningful engineering challenges and help bring AI into everyday clinical practice, this role is for you.

Your Role

• Design and build reliable, secure, and scalable backend services and APIs
• Own architectural decisions for core backend systems and help shape how our platform evolves
• Design data models and database schemas that remain robust as the product and team scale
• Collaborate closely with Product, Frontend, and AI teams to deliver new features end to end
• Build systems that handle scale, concurrency, asynchronous workloads, and high availability in production
• Drive improvements in reliability, performance, and maintainability across the backend stack
• Write automated tests and help raise the bar for backend best practices and engineering standards

What you need

Your Profile

• Proven experience designing and scaling backend systems used by large numbers of users
• Strong understanding of scalable system design, backend architecture, and database-backed applications
• Experience owning technical decisions and building systems that need to be reliable, secure, and maintainable over time
• Comfortable dealing with concurrency, asynchronous processing, and distributed system challenges
• Strong Python experience in production; experience with typed Python and frameworks such as FastAPI is a plus
• Strong engineering judgment, clear communication, and a collaborative mindset when working across teams