Senior Software Engineer (10+ yrs - Python, Django, LLM )

About DoctusTech
DoctusTech is a fast-growing technology company focused on driving innovation in the US
Healthcare domain. We build impactful AI-driven solutions that solve real-world problems for our
clients. Our team is agile, collaborative, and passionate about technology, and we're looking for
strong engineering leaders who thrive in a high-ownership environment.
Job Summary
We are looking for a highly experienced Principal Software Engineer with 10+ years of hands-on
backend engineering experience in Python ecosystems. This is a pure IC (Individual
Contributor) role focused on architecture, hands-on coding, scalability, and building
next-generation AI-powered systems.
The ideal candidate must have strong expertise in Python, Django, FastAPI, distributed backend
systems, and Agentic AI/LLM-based application development. You will work closely with product
and engineering teams to design, develop, and scale intelligent healthcare solutions.
Key Responsibilities

1. Design, develop, and scale high-performance backend systems using Python, Django, and FastAPI.
2. Build secure, scalable, and production-grade RESTful APIs and microservices.
3. Lead architecture decisions and implement complex technical solutions.
4. Develop AI-powered applications leveraging Agentic AI, LLMs, RAG pipelines, and orchestration frameworks.
5. Write clean, maintainable, reusable, and testable production-quality code.
6. Optimize application performance, reliability, scalability, and security.
7. Mentor engineering teams through technical leadership and best coding practices.
8. Collaborate with cross-functional teams in an agile development environment.
9. Drive innovation and evaluate emerging AI technologies/frameworks.
10. Participate in code reviews, debugging, and system design discussions. Required Skills ● 10+ years of software development experience. ● Strong hands-on coding expertise in Python. ● Deep expertise in Django and FastAPI. ● Experience building scalable backend architectures and REST APIs. ● Strong understanding of distributed systems and microservices architecture. ● Hands-on experience with Agentic AI, Generative AI, LLM applications, RAG pipelines, LangChain, CrewAI, AutoGen, or similar frameworks. ● Strong understanding of AI orchestration and prompt engineering concepts. ● Expertise with PostgreSQL/MySQL and database optimization. ● Strong knowledge of Django ORM, SQL queries, and performance tuning. ● Experience with cloud platforms and deployment practices. ● Strong debugging, analytical, and problem-solving skills. ● Deep understanding of system design, design patterns, data structures, and OOP concepts. ● Familiarity with Linux environments and DevOps fundamentals. Preferred Qualifications ● Experience in US Healthcare domain, EHR/EMR, HL7, or FHIR integrations is a plus. ● Experience working in high-scale SaaS product companies. ● Strong communication and stakeholder management skills. ● Ability to work independently in a remote environment. Candidate Requirements ● Own laptop/system (minimum 8GB RAM and i5 processor or above) ● Stable internet connectivity/Wi-Fi ● Power backup during outages