Senior IT NET Developer JOB SUMMARY:
This role focuses on designing and maintaining robust applications using .NET Core/C#, RESTful APIs, and microservices across both Azure cloud and on-premises environments. You will collaborate with cross-functional teams to integrate enterprise reporting tools, optimize SQL databases, and support solutions within the Microsoft Power Platform. Additionally, you will drive technical excellence through clean coding practices, performance optimization, and participation in Agile workflows to resolve complex production issues.
Senior IT NET Developer ESSENTIAL FUNCTIONS (RESPONSIBILITIES):
• Design, develop, and maintain robust applications using .NET Core / .NET 6+ and C#.
• Build and optimize RESTful APIs and microservices.
• Develop, deploy, and support applications in Microsoft Azure Cloud and on-premises environments.
• Work with Azure App Services, Azure Functions, and related Azure PaaS services.
• Support traditional server deployments (IIS, Windows Server, on-prem hosting environments).
• Collaborate with cross-functional teams including product, QA, DevOps, and BI/reporting teams.
• Integrate applications with enterprise reporting tools such as Cognos and Power BI.
• Support and extend solutions using the Microsoft Power Platform (Power Apps, Power Automate, Power BI).
• Write clean, maintainable, and well-documented code.
• Perform code reviews and mentor junior developers.
• Optimize application performance, scalability, and reliability across cloud and server environments.
• Identify high-value manual processes across business units and design end-to-end automated solutions that replace them with reliable, auditable systems.
• Evaluate where AI-assisted automation adds genuine value versus where simpler automation serves the need better — and build accordingly.
• Exercises awareness with regard to possible suspicious activity, money laundering or fraudulent behavior and reports any such incidents to the BSA department. Performs all job functions in compliance with all company policies and federal, state, and local laws and regulations as applicable to the position, including, but not limited to BSA/AML, OFAC and GLBA/privacy rules.
• Performs related responsibilities as required or assigned.
Senior IT NET Developer REQUIRED QUALIFICATIONS:
Knowledge/Skills/Abilities
• Advanced knowledge of Azure App Development (Azure App Services / AppDev)
• Advanced knowledge in SQL databases (SQL Server, PostgreSQL, Snowflake)
• Advanced skills using reporting tools such as Power BI and/or Cognos
• Familiarity with Microsoft Power Platform (Power Apps, Power Automate, Power BI)
• Ability to support data integration workflows
• Ability to quickly comprehend the capabilities of new technologies.
• Exemplifies the Gateway Values: Growth Oriented, Make a Difference, “Get it Done” Attitude, Team Player, and Do the Right Thing.
Equivalent Education/Experience
• Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
• 5 years of experience in C# .NET Core development.
• Experience with Azure App Development (Azure App Services / AppDev)
• Experience with traditional server-based deployments (IIS, Windows Server, on-prem systems)
• Strong experience with SQL databases (e.g., SQL Server, PostgreSQL, Snowflake)
• Experience with reporting tools such as Power BI and/or Cognos
Senior IT NET Developer SPECIAL JOB DIMENSIONS:
None.
NOTE: The essential job functions and associated qualifications contained in this document describe the general nature and level of the work performed. They are not intended to represent an exhaustive listing or be inclusive of all aspects of the job. The tasks and procedures involved in the performance of the essential job functions may vary from day-to-day. Major changes in areas of responsibility may occur, as directed by management, and will require revision of this job description.
Gateway First Bank is a leading financial institution that provides banking and mortgage services for consumers and commercial customers. Headquartered in Jenks, Oklahoma, Gateway is a $1.9 billion asset sized bank with a significant mortgage operation. Gateway is one of the largest banking operations in Oklahoma and mortgage operations in the United States with eight bank branches in Oklahoma, over 60 mortgage centers in 35 states, and over 600 employees.