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INT Tech -.Net Core Developer - Payment Gateway

INT TECH PRIVATE LIMITEDThane

11 days ago

Job description

ONLY FOR MUMBAI : .NET Core Developer - Payment Gateway / Switch Development (Fintech) - Dombivli - Palawa

Immediate Joiner

No. of openings : 10

Inttech Pvt Ltd is a next-generation fintech technology company dedicated to transforming how financial institutions operate and grow. We specialize in delivering secure, scalable, and compliant platforms tailored for banks, NBFCs, and other financial entities. With deep expertise in core banking systems, digital payments, cross-border transactions, fraud risk management, onboarding, and financial operations, we provide end-to-end solutions that support seamless financial journeys.

Our cloud-native, API-first architecture empowers clients to stay agile, adapt quickly to evolving market needs, and scale effortlessly. From UPI and IMPS switches to card lifecycle management, integrated accounting, and regulatory compliance, every solution we build is designed to simplify complexity while ensuring reliability, performance, and security. At Inttech, we pride ourselves on our strong domain knowledge, innovation-led approach, and commitment to client success.

Job Description :

We are hiring an experienced .NET Core Developer with expertise in payment gateway and switch development. The role involves designing, developing, and optimizing high-performance payment processing systems with a focus on ISO 8583 messaging, API-based integrations, and transaction processing for fintech platforms.

Key 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.

Desired profile of the candidate :

3- 8 years of development experience in .NET Core / C# / ASP.NET Core.

Strong experience in payment systems, fintech, banking technology, or switch development.

Hands-on expertise with ISO 8583 messaging, transaction routing, host-to-host integrations.

Proficiency in Web API, REST, microservices, SQL Server, Entity Framework, LINQ.

Familiarity with cloud platforms (Azure / AWS) preferred.

Knowledge of RBI / PCI-DSS standards, security & encryption in financial applications.

Strong debugging, performance tuning, and problem-solving skills.

Education qualification : Bachelors degree in Computer Science / Engineering / IT. Certifications in .NET, Cloud, or Payment Systems : Mumbai, Thane, Kalyan

(ref : hirist.tech)

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