Position Summary

We are seeking a .NET Core API & Integration Developer to design, build, and maintain high-throughput APIs and middleware integrations for our fintech platform. You will be responsible for connecting core financial services, payment gateways, credit bureau systems, and third-party APIs while maintaining strict security and database performance standards.

Key Responsibilities

- API Development: Design, build, and deploy secure, high-performance RESTful APIs and SOAP services using .NET Core.
- System Integrations: Integrate internal finance engines with external third-party providers (e.g., payment gateways, credit scoring/SIMAH, government portals, identity verification).
- Database Operations: Write optimized SQL Server stored procedures, transactions, and queries to support heavy financial transaction loads reliably.
- Security & Authentication: Implement robust API security protocols (OAuth2, JWT, mTLS/Client Certificates, API Keys).
- Version Control:



Manage code repositories, feature branching, and pull requests via Bitbucket.
- Performance Tuning: Troubleshoot API latency, handle payload parsing (JSON/XML), and ensure zero data loss during high-concurrency requests.

Technical Requirements

- Core Stack: 4 years of hands-on experience in .NET Core (C#), ASP.NET Web API, Entity Framework, and LINQ.
- Integrations: Proven track record of developing and consuming complex REST and SOAP APIs, handling XML/JSON parsing, and implementing mTLS security.
- Database: Robust command of MS SQL Server (indexing, query tuning, transaction management).
- Tools: Proficiency in Bitbucket / Git, Postman, and Swagger/OpenAPI documentation.
- Domain: Direct experience developing backend services or API middleware for Fintech, Banking, or Financial Institutions.

📌 .NET Core API & Integration Developer (Fintech) (Gurugram)
🏢 Quara Ai Tech
📍 Gurugram