Python Fastapi Developer Jobs in Austin, TX (NOW HIRING)

As a Senior Software Engineer II at Hello Patient, you’ll build the products that power Mia, our AI assistant for healthcare practices. You’ll work across our frontend applications, backend services, and AI-powered workflows to turn customer and product needs into reliable, scalable software.

You’ll partner closely with Product, Design, Operations, and other engineers to build features that improve how healthcare practices communicate with and support their patients. This role is a great fit for an engineer who is comfortable owning projects independently, enjoys solving ambiguous problems, and wants to have meaningful impact in a fast-moving startup environment.

• Design, build, test, and ship customer-facing features across our frontend applications, backend services, and AI workflows.

• Develop intuitive user experiences using React, Next.js, and TypeScript.

• Build reliable backend services and APIs using Python and FastAPI.

• Translate product requirements into thoughtful technical solutions.

• Work closely with Product and Design to understand problems, propose solutions, and iterate based on customer feedback.

• Take ownership of projects from technical design through implementation, testing, deployment, and iteration.

• Break down complex or ambiguous problems into manageable technical solutions.

• Make sound engineering decisions and know when to seek input from teammates.

• Build systems that are reliable, maintainable, and scalable as Hello Patient grows.

• Collaborate with other engineers to identify tradeoffs and find pragmatic solutions.

• Develop features powered by conversational AI, LLMs, and automation.

• Work on systems involving voice, SMS, chat, scheduling, and patient engagement workflows.

• Build integrations with healthcare systems and third-party APIs.

• Help improve the reliability, quality, and performance of AI-powered experiences.

• Write clean, maintainable, well-tested code.

• Participate actively in code reviews, technical discussions, and architecture decisions.

• Improve reliability, observability, testing, and engineering workflows.

• Share knowledge with teammates and contribute to a collaborative engineering culture.

• Help raise the quality and consistency of the systems you work on.

• 3+ years of professional software engineering experience building and shipping production applications.

• Experience owning and delivering meaningful product features end-to-end.

• Strong full-stack development experience or a strong primary focus in either frontend or backend with the ability to work across the stack.

• Proficiency with TypeScript, React, and modern frontend frameworks (Next.js preferred).

• Strong backend development experience with Python and API frameworks such as FastAPI.

• Solid understanding of databases, APIs, testing, and production reliability.

• Experience building and deploying cloud-based applications using AWS, Docker, and modern development workflows.

• Experience using AI-powered development tools (e.g., Claude Code, Cursor, OpenCode) to improve coding, debugging, testing, or overall engineering productivity.

• Ability to work independently, make thoughtful technical decisions, and ask for help when needed.

• Strong communication skills and the ability to collaborate effectively across teams.

• Experience building AI-powered applications, LLM workflows, agent-based systems, or RAG pipelines.

• Experience with healthcare technology, HIPAA, FHIR, HL7, or other regulated industries.

• Experience with event-driven architecture, real-time systems, or distributed applications.

• Experience working in an early-stage startup environment.

• Experience improving engineering processes, developer tooling, testing infrastructure, or technical documentation.

Base salary: $120,000 - $160,000

Equity: Meaningful ownership in a fast-growing healthtech startup

Hello Patient is transforming healthcare communication through advanced conversational AI. Our founding team spent 3.5 years scaling Carbon Health\'s technology during hypergrowth, where we saw firsthand how much clinical time gets wasted on basic communication—great clinicians buried in admin work, patients stuck in phone tag.

Our AI platform proactively engages patients through perfectly timed calls and texts, resolving complex interactions end-to-end—from scheduling to billing to retention. Built with security and compliance at its core, our technology integrates with existing healthcare infrastructure to deliver 24/7 patient engagement.

Backed by Scale and 8VC, we\'re building the future of healthcare communication, one conversation at a time.