.Net Core API Developer - C# Programming

Description :

Note : Candidates must be open to travel to Saudi and experience in the investment banking and capital markets is mandatory requirement and automation.

Candidates from Mumbai only.

Capital market experience is a must.

Experience : 4+ Years

Job Overview :

We are looking for a highly skilled .NET Core API Developer with 4+ years of professional experience and a strong focus on external service integrations. The ideal candidate will have hands-on experience in building and consuming RESTful APIs, integrating third-party services, and ensuring secure, high-performance communication between systems.

Key Responsibilities :

- Design and develop robust, scalable, and secure RESTful APIs using .NET Core.

- Integrate APIs with various external services such as payment gateways, authentication providers, and third-party data sources.

- Implement service-to-service communication using industry-standard protocols (REST, SOAP, gRPC).

- Ensure secure integration using OAuth2, JWT, API keys, and other security mechanisms.

- Collaborate with cross-functional teams to define and implement integration requirements.

- Optimize integration processes for performance, scalability, and reliability.

- Monitor and maintain integrations with proactive error handling and logging.

- Write unit and integration tests for all developed services.

- Document APIs and integration workflows using Swagger/OpenAPI and internal tools.

Technical Skills :

- Strong hands-on experience with C# and .NET Core/.NET 5+.

- Proficient in building and consuming RESTful APIs.

- Experience with external services integration (e.g., payment processors, SMS/email providers, identity providers, etc.).

- Knowledge of OAuth2, JWT, API throttling, rate-limiting, and security best practices.

- Familiarity with Postman, Swagger/OpenAPI, and API testing/debugging.

- Experience with Entity Framework Core, LINQ, and SQL databases (SQL Server/MySQL/PostgreSQL).

- Experience with asynchronous programming, error handling, and logging (e.g., Serilog, NLog).

- Working knowledge of TFS, Git, CI/CD pipelines, and containerization (Docker).

- Experience with Azure/AWS APIs, message queues (e.g., RabbitMQ, Kafka), or GraphQL.

Qualifications :

- Bachelors degree in Computer Science, Engineering, or related field.

- 4+ years of experience in .NET Core API development.

- Proven experience in integrating and managing multiple external services.

- Strong analytical, debugging, and communication skills.

Nice to Have :

- Experience in microservices architecture.