Senior .NET Developer – Payments Projects

About Synechron:

Synechron is a leading digital transformation consulting firm for the financial services industry. We combine innovative technology with deep domain expertise to drive growth and deliver excellence to our clients worldwide. Join us in shaping the future of FinTech, Payments, and Digital Innovation.

Role Overview:

We are looking for a .NET Developer with strong experience in REST API development, AWS cloud services, and Payments or Digital Payment integrations. This role will play a key part in building scalable, secure, and high-performance payment systems for global banking and financial clients.

Key Responsibilities:

• Design, develop, and maintain RESTful APIs using .NET Core/.NET 6+.
• Integrate with various digital payment gateways (e.g., Visa, Mastercard, UPI, PayPal, Stripe) and banking APIs.
• Develop cloud-native solutions using AWS services such as Lambda, S3, API Gateway, DynamoDB, and ECS.
• Collaborate with cross-functional teams to gather requirements and implement payment workflows.
• Ensure security, compliance, and data protection in payment-related transactions.
• Optimize backend systems for performance, scalability, and fault tolerance.
• Write unit tests and participate in code reviews and continuous integration pipelines.
• Monitor applications using tools like CloudWatch, Splunk, or Datadog.

Required Skills & Experience:

• 5+ years of hands-on experience in .NET Core / .NET Framework development.
• Strong experience in REST API design and development.
• Experience with AWS cloud – Lambda, S3, SNS/SQS, API Gateway, etc.
• Solid understanding of Payments domain, including payment processors, tokenization, PCI compliance, and real-time transaction flows.
• Exposure to ISO 8583, ISO 20022, or similar payment messaging standards (preferred).
• Good understanding of OAuth2.0 / JWT and securing APIs.
• Familiarity with CI/CD tools like GitHub Actions, Jenkins, or Azure DevOps.
• Experience in Agile/Scrum environments.

Nice to Have:

• Experience with microservices architecture.
• Exposure to banking and financial services clients.
• Familiarity with DevSecOps practices.
• Basic knowledge of SQL / NoSQL databases (e.g., SQL Server, DynamoDB).

Why Join Synechron?

• Be part of global digital transformation projects in banking and finance.
• Work with cutting-edge technologies and cloud platforms.
• Opportunity to work with top-tier financial institutions.
• Great workplace culture with a strong focus on learning and growth.

Apply Now!

If you're passionate about technology and payments, and want to work on impactful projects with top financial clients, we'd love to hear from you.