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

About the job
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 Sr. Software Engineer with 10+ years of hands-on backend engineering experience in Python ecosystems. This is 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.
   1. Mentor engineering teams through technical leadership and best coding practices.
7. Collaborate with cross-functional teams in an agile development environment.
8. Drive innovation and evaluate emerging AI technologies/frameworks.
9. 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