Headquartered in Irvine, California, EBizCharge specializes in developing integrated payment solutions that facilitate electronic payment processing within ERP, CRM, Mobile, and eCommerce applications. Our applications are PCI compliant and fully integrated with major ERP/accounting systems, including QuickBooks, Sage, SAP Business One, Microsoft Dynamics, NetSuite, Epicor, Acumatica, and major online shopping carts, including Magento and WooCommerce. EBizCharge offers its employees tremendous learning opportunities, career growth potential, and a dynamic work environment.

We are seeking a highly experienced Principal .NET Developer with deep expertise in REST and SOAP services, databases, Azure (or similar), and familiarity with modern engineering best practices. This role is ideal for someone who thrives in complex environments, understands how to stabilize and mature greenfield systems, and is passionate about writing clean, maintainable, and efficient code. You will play a key role in taking an existing greenfield project and guiding it into a robust, scalable, and production-ready application. A strong background in refactoring, architectural improvements, and error-handling strategies is essential.

Responsibilities:

• Enhance and maintain the backend Rest API based application built on .NET and deployed to Azure.
• Refactor existing code to improve readability, testability, and maintainability.
• Identify architectural gaps and propose long-term stable solutions.
• Implement efficient data-handling strategies to optimize performance.

• Build and consume RESTful APIs and SOAP services.
• Improve and standardize integration patterns to increase reliability.
• Ensure secure handling of sensitive data across service boundaries.

• Champion clean coding principles (SOLID, DRY, KISS, separation of concerns).
• Implement robust logging and helpful error-handling strategies.
• Introduce or improve automated testing where appropriate (unit, integration).

• Diagnose performance bottlenecks and optimize code paths.
• Enhance exception management, recovery processes, and fault tolerance.
• Work closely with the team to stabilize unstable components or workflows.

Required Skills & Qualifications

• 10+ years professional experience in .NET development (preferably .NET 6+).
• Strong hands-on experience with Azure Development.
• Deep familiarity with REST and SOAP service design and consumption.
• Expertise in refactoring legacy or greenfield codebases.
• Solid understanding of software architecture patterns (layered architecture, clean architecture, or similar).
• Experience with dependency injection, configuration management, and middleware pipelines.
• Strong knowledge of error handling, logging frameworks, and global exception strategies.
• Experience with asynchronous programming and state management.
• Comfortable working with SQL or ORM technologies (EF Core preferred).
• Experience working in highly regulated or security-sensitive environments.
• Familiarity with distributed systems and microservices concepts.
• Background in performance profiling and monitoring (e.g., Application Insights).

Compensation And Benefits

• Employer paid benefits (including Medical, Dental, Vision, & life insurance) for selected plans for the employee.
• Retirement 401(k) plan with company match
• Gym access, dry cleaners, car wash conveniently located within building.
• Generous PTO plan with an additional 9 Days Company Paid Holidays per year.

Job Type: Full-time

The Company is committed to compliance with all applicable laws providing equal employment opportunities. This commitment applies to all persons involved in Company operations. The Company prohibits unlawful discrimination against any job applicant, employee or unpaid intern by any employee of the Company, including supervisors and coworkers. Pay discrimination between employees of the opposite sex or between employees of another race or ethnicity performing substantially similar work, as defined by the California Fair Pay Act and federal law, is prohibited.