Senior Software Engineer - Banking API & Microservices

Northwest Bank; Town of Texas (WI); On-site; USD 110,000 - 150,000; Full time

Job summary

Northwest Bank in McKinney, TX seeks a senior software engineer to optimize, extend, and support online banking solutions built on Fiserv Architect. You will lead development of full-stack features using C#, .NET Core, and ASP.NET to create robust microservices and Web APIs.

Join a team focused on data integration, production reliability, and API enhancements for SecureNow, RDC, and ACH/Wire modules, with emphasis on SSIS and T-SQL automation to modernize legacy datasets.

Qualifications

• Bachelor's degree in computer or software engineering.
• 5 years experience optimizing Fiserv Architect online banking applications.
• Experience building advanced POCs for online banking SDK.
• Customization of Architect Online Banking experience.
• Architect SSIS and transition of clients to Architect online banking.
• Develop API enhancements for Signature core; build integrations and SSO using C#, .NET Core, ASP.NET.

Responsibilities

• Optimize, enhance and develop online banking solutions using Fiserv Architect.
• Improve productivity of mobile and online banking applications.
• Lead development, maintenance, incident management and health checks automation.
• Architect SSIS packages and T-SQL procedures to automate legacy data ETL processes.
• Develop microservices and Web APIs using C#, .NET Core and ASP.NET.

Skills

C#

ASP.NET

.NET Core

Web APIs

SSIS

T-SQL

Education

Bachelor's Degree in Computer or Software Engineering

Tools

Fiserv Architect

SQL Server

REST/SOAP

Job description

Northwest Bank in McKinney, TX seeks a senior software engineer to optimize, extend, and support online banking solutions built on Fiserv Architect. You will lead development of full-stack features using C#, .NET Core, and ASP.NET to create robust microservices and Web APIs.

Join a team focused on data integration, production reliability, and API enhancements for SecureNow, RDC, and ACH/Wire modules, with emphasis on SSIS and T-SQL automation to modernize legacy datasets.