Senior .NET Developer

About the project:

We are building a modern, centralized SaaS solution for US-based home medical equipment (HME) providers and hospitals.The platform streamlines daily operations such as appointment scheduling, invoicing, documentation management, and medical item deliveries. You’ll join a long-term initiative aimed at improving healthcare workflows, efficiency, and service delivery.

Does this relate to you?

— 5+ years of experience in backend software development with a strong focus on REST API design and implementation.
— Proven experience with .NET Core technologies (C#, ASP.NET Core Web API).
— Solid knowledge of microservices architecture and inter-service communication.
— Proficiency with MySQL and/or PostgreSQL databases; experience writing optimized queries, Dapper, DDD.
— Understanding of OOP, OOD, SOLID, and common design patterns.
— Experience with API documentation and testing tools (Swagger, Postman).
— Knowledge of authentication, authorization, and API security best practices.
— Experience with the full SDLC and agile methodologies (Kanban/Scrum).
— English level: Upper-Intermediate or higher.

Nice to Have:
— Experience with Docker and Kubernetes.
- Familiarity with AWS service.
— Experience building high-load or healthcare-related APIs.
— Understanding of Ukrainian or Russian.
— Relevant certifications (e.g., AWS Certified Developer).

A new team member will be in charge of:

— Design, develop, and maintain RESTful APIs and backend microservices using .NET Core (.NET 6.0 / 8.0 / 3.1).
— Build efficient and reusable API endpoints, focusing on scalability, performance, and security.
— Collaborate with frontend, mobile, and DevOps teams to ensure smooth API integration and deployment.
— Create and maintain API documentation using tools like Swagger / OpenAPI.
— Optimize existing endpoints and database queries for better response times.
— Implement API versioning, request validation, and error handling standards.
— Ensure API security through authentication and authorization mechanisms (JWT, OAuth2).
— Participate in code reviews and contribute to improving coding standards and best practices.
— Support continuous integration and delivery (CI/CD) processes for API deployment