Sr. Dot Net Developer

United States Digital Space LLC; Maharashtra; On-site; INR 1,015,560 - 1,216,440; Full time

Benefits offered by this job

Health insurance

Paid sick time

Provident Fund

Job summary

United States Digital Space LLC is seeking a senior .NET/Fintech engineer to develop and maintain payment gateway and switch applications. You will build scalable APIs and microservices, implement diverse payment integrations, and ensure PCI-DSS compliance.

Ideal candidates have 5-8 years of Fintech experience, strong C#/.NET Core skills, and a collaborative approach with BA, Product, and Ops teams.

Qualifications

• 5-8 years of experience in Fintech projects.
• Strong experience with .NET Core / C#.
• Experience integrating payment gateways and switch applications.
• Knowledge of XML and JSON formats.
• Familiarity with PCI-DSS compliance and security.
• Collaboration with BA, Product and Ops teams.

Responsibilities

• Develop and maintain payment gateway & switch applications using .NET Core / C#.
• Build and optimize high-performance APIs, microservices, and transaction routing engines.
• Implement XML, JSON, UPI, IMPS, RuPay, Visa, MasterCard integrations.
• Ensure security, scalability, and PCI-DSS compliance in payment applications.
• Work with BA, Product, and Ops teams to translate requirements into technical solutions.
• Debug, troubleshoot, and resolve transaction failures, settlement/reconciliation issues.
• Participate in SIT, UAT, and production support for payment projects.
• Contribute to code reviews, best practices, and process automation.

Skills

C#

NET Core

APIs

Microservices

Payment gateway

PCI-DSS

XML

JSON

UPI

IMPS

RuPay

Visa/MasterCard

Job description

Key Responsibilities

5-8 Years of experience required of Fintech Project

Develop and maintain payment gateway \\& switch applications using .NET Core / C#.

Build and optimize high-performance APIs, microservices, and transaction routing engines.

Implement XML, JSON, UPI, IMPS, RuPay, Visa, MasterCard integrations.

Ensure security, scalability, and PCI-DSS compliance in payment applications.

Work with BA, Product, and Ops teams to translate requirements into technical solutions.

Debug, troubleshoot, and resolve transaction failures, settlement/reconciliation issues.

Participate in SIT, UAT, and production support for payment projects.

Contribute to code reviews, best practices, and process automation.

Pay: Up to ₹100,000.00 per month

Benefits:

• Health insurance
• Paid sick time
• Provident Fund

Work Location: In person