> Markdown version of [/jobs/ext/3636982-principle-software-engineer](https://www.wearedevelopers.com/jobs/ext/3636982-principle-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principle Software Engineer - **Company:** Advinow, Inc. - **Location:** Paradise Valley, AZ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, DevOps, Distributed Systems, Django Web Framework, Graph Database, Medical Software, Python (Programming Language), PostgreSQL, Machine Learning, MongoDB, Neo4j, Object-Relational Mapping, Software Architecture, Queueing Systems, Next.js, Service-Oriented Architecture, Software Construction, Software Engineering, SQLAlchemy, Strategies of Testing, Model-Driven Development, ReactJS, Backend, Fastapi, Event Driven Architecture, Kubernetes, Production Code, Restful APIs, Docker - **Published:** October 8, 2026 - **Apply:** https://www.disabledperson.com/jobs/75908169-principle-software-engineer ## About the Role * 10+ years of professional software engineering experience, including senior technical roles * Deep expertise in Python, with significant production experience using Django and/or FastAPI * Strong full-stack experience with React and Next.js * Proven track record designing and scaling complex, distributed systems * Advanced understanding of RESTful APIs, async processing, and service-oriented architectures * Extensive experience with PostgreSQL, MongoDB, and ORM-based data modeling * Hands-on experience integrating AI/ML-powered features into real-world production systems * Strong grounding in software architecture patterns, testing strategies, and system scalability * Comfortable working in fast-moving startup environments with high ownership and ambiguity Nice-to-Have * Experience with Neo4j or other graph databases to architect and optimize complex, highly connected datasets * Experience building software in regulated environments (healthcare, medical devices, fintech, etc.) * Familiarity with AWS, Docker, and Kubernetes * Experience with event-driven architectures, background jobs, or message queues * Prior experience helping scale an early-stage or growth-stage product * Exposure to probabilistic systems, Bayesian reasoning, or clinical decision support platforms ## Description As a Principal Engineer at AdviNOW Medical, you will serve as a senior technical thought leader responsible for driving engineering standards and delivering scalable, AI-enabled healthcare software. This is a deeply hands-on role for someone who thrives in startup environments, owns problems end-to-end, and enjoys building systems that matter. You will work closely with senior leadership, product, clinical experts, and engineering teams to shape both what we build and how we build it. Hands-On Engineering * Design, build, and maintain scalable backend services using Python, Django, and FastAPI * Contribute to and guide development of modern front-end applications using React and Next.js * Write clean, maintainable, and well-tested production code * Diagnose and resolve complex system, performance, and reliability issues Data & AI Systems * Design and optimize data models using Django ORM / SQLAlchemy * Architect and maintain solutions using PostgreSQL and MongoDB * Integrate AI/ML models into production workflows supporting probabilistic reasoning, inference, and decision logic * Design APIs that support intelligent workflows, embeddings, and model-driven features Collaboration & Mentorship * Act as a technical mentor and force multiplier for senior and mid-level engineers * Partner with Product and clinical stakeholders to translate requirements into scalable technical solutions * Collaborate closely with DevOps to ensure reliable deployments, observability, and compliance readiness