Full Stack Developer (.NET Core / Angular / SQL) – Payment Industry Experience

Job Title: Full Stack Developer (.NET Core / Angular / SQL) – Payment Industry Experience
Experience: 4–8 Years
Employment Type: Full-time
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Job Summary:
We are seeking a skilled Full Stack Developer with hands-on experience in .NET Core, Angular, and SQL who has worked on payment industry solutions such as payment gateways, transaction systems, or financial integrations. The candidate will be responsible for building scalable, secure, and high-performing applications for our payment platform.
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Key Responsibilities:
• Design, develop, and maintain end-to-end web applications using .NET Core (API layer) CSHtml, and Angular (UI layer).
• Integrate and maintain payment gateway APIs (e.g., MPGS, Fiserv, CyberSource, Stripe, Razorpay, PayFort, etc.).
• Work with secure payment flows, including tokenization, Credential-on-File (CoF), and Merchant-Initiated Transactions (MIT).
• Design efficient database structures and write optimized SQL queries and stored procedures.
• Implement role-based access control (RBAC) and JWT-based authentication for secure APIs.
• Collaborate with product, QA, and DevOps teams to ensure smooth deployment and testing cycles.
• Implement logging and monitoring using tools like NLog, Serilog, or Application Insights.
• Apply secure coding standards (PCI-DSS, PSD2, GDPR) for data protection and privacy.
• Develop and maintain microservices for payment, reconciliation, and reporting modules.
• Conduct code reviews and follow best practices for clean, maintainable code.
• Troubleshoot production issues and provide quick resolutions.
• Participate in Agile ceremonies (daily stand-ups, sprint planning, retrospectives).
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Technical Skills:
• Backend: .NET Core, C#, ASP.NET Core Web API, Entity Framework Core
• Frontend: Angular (v10+), TypeScript, HTML5, CSS3, Bootstrap
• Database: SQL Server / Oracle, Strong in T-SQL, stored procedures, triggers, and views
• Architecture: RESTful API design, Microservices, Layered Architecture
• Security: JWT, OAuth2, HTTPS, Data Encryption(AES, RSA, TLS), PCI-DSS awareness
• Version Control: Git, Azure DevOps, GitHub
• Deployment & CI/CD: Docker, IIS, Azure Pipelines (preferred)
• Logging & Monitoring: NLog / Serilog / ELK Stack
• Testing: Postman, Swagger, NUnit / xUnit
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Domain Expertise (Mandatory):
• Hands-on experience integrating payment gateways and understanding transaction flows.
• Exposure to reconciliation, refund, and chargeback processes.
• Awareness of PCI-DSS, ISO 8583, EMV ,tokenization mechanisms , recurring payments and secure payment handling standards.
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Soft Skills:
• Strong problem-solving and analytical skills.
• Excellent communication and teamwork.
• Ability to work independently in an agile, fast-paced environment.
• Strong attention to detail and commitment to quality.
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Preferred Qualifications:
• Bachelor’s Degree in Computer Science, Engineering, or related field.
• Experience with banking, fintech, or payment switch systems.
• Microsoft Certified: .NET Developer / Azure Developer Associate (preferred).