Python Backend Developer

Requirements:

• Degree or equivalent background in engineering, mathematics, computer science, data science, physics, or a related discipline
• Professional experience developing backend software with Python
• Strong understanding of software development lifecycle best practices
• Experience with API design tools and frameworks such as Swagger, OpenAPI, and FastAPI
• Experience with cloud computing and Kubernetes or similar orchestration tools
• Experience with containerization tools such as Docker
• Experience with relational databases such as PostgreSQL or MySQL and ORM libraries such as SQLAlchemy
• Experience with load testing, latency profiling, and backend performance optimization
• Experience with infrastructure-as-code tools such as Terraform
• Experience working with new and complex data sources
• Interest in applying emerging technologies, including large language models, in production environments
• Ability to collaborate effectively across engineering, data science, underwriting, product, and customer success teams
• Employment-based visa sponsorship is not available, including for OPT, CPT, H-1B, or similar statuses
• Corp-to-corp candidates will not be considered

Responsibilities:

• Help shape API architecture for real-time decision-making with complex medical data
• Collaborate with data scientists, underwriters, customer success partners, and product managers to develop and deliver the product roadmap
• Improve backend performance and scalability for large volumes of structured and unstructured health data
• Adapt the product as the use of machine learning models and large language models evolves
• Build maintainable software, write unit and integration tests, and implement automated testing
• Participate in code reviews and help continually improve development practices

Technologies:

• AI
• API
• Backend
• Cloud
• Docker
• FastAPI
• Kubernetes
• Machine Learning
• MySQL
• OpenAPI
• PostgreSQL
• Python
• Swagger
• Terraform

More

We are CBTS, seeking a Senior/Staff Software Engineer for our New York City team. In this role, you will build scalable, secure, high-performance APIs and services supporting data-driven solutions and mission-critical systems that use AI, electronic health records, and other sensitive medical data to help people obtain essential life insurance coverage. You will join a small, high-impact team developing an advanced medical risk assessment solution, with the opportunity to shape a new product, deliver quickly, and make an immediate impact. This is a direct, full-time hybrid position based in the Grand Central area of New York, with three onsite days per week. Target salary is $147,000–$170,000, plus bonus and benefits. We provide equal employment opportunities in accordance with applicable federal, state, and local laws.

last updated 43 week of 2026