Full Stack Software Engineer (.NET / Angular / Azure)

About the role

Are you a full stack developer who enjoys solving complex problems, modernizing applications, and building tools that make a real impact? CSI is seeking a Full Stack Software Engineer to join our NuPoint Flex Team, a highly collaborative group that supports key initiatives across Deposits, Loans, Conversions, and internal operational applications. This team serves as a flexible engineering resource, stepping in where additional technical expertise is needed. You'll work on a wide variety of projects including customer-facing enhancements, internal business applications, APIs, automation initiatives, and modernization efforts that help move our technology platform forward.

As a forward-thinking software provider, Computer Services, Inc. (CSI) helps community and regional financial institutions solve their customers’ needs through open and flexible technologies. In addition to its award-winning core banking platform, these include the latest in lending, digital banking, payments, financial crime prevention and cybersecurity. Building on its 60-year track record of personalized service, CSI is shaping the future of banking and empowering its customers to rival their competition. For more information about CSI, visit www.csiweb.com

Responsibilities

• Design, develop, test, and maintain full stack applications using modern Microsoft technologies
• Build and enhance REST APIs that support internal and customer-facing products
• Develop intuitive user interfaces using Angular and modern web technologies
• Create scalable backend solutions using .NET, C#, and SQL Server
• Support modernization initiatives, technical debt reduction, and application upgrades
• Develop automation solutions that improve efficiency for operational and conversion teams
• Participate in code reviews, testing, troubleshooting, and production support activities
• Collaborate with developers, product managers, and business stakeholders to translate requirements into technical solutions
• Contribute to CI/CD, DevOps, and cloud-based initiatives as the organization continues its technology evolution
• Provide mentorship and technical guidance to junior team members as appropriate
• Work on internal applications that automate repetitive business processes
• Develop conversion tools that enable teams to perform data-related activities more efficiently
• Enhance Deposit and Loan APIs
• Implement customer-requested product improvements that development teams have not yet had capacity to prioritize
• Undertake modernization projects focused on upgrading legacy applications and technology platforms
• Engage in emerging initiatives involving AI-assisted development tools and engineering productivity improvements

Qualifications

Required Qualifications

• 3+ years of professional software development experience
• Strong experience with .NET / .NET Core C#
• SQL Server or other relational databases
• Angular, React, or similar modern JavaScript framework
• HTML and CSS
• Experience developing and consuming RESTful APIs
• Experience with source control and modern software development practices
• Strong problem-solving and debugging skills
• Excellent communication and collaboration abilities
• Ability to work independently while contributing to a team-oriented environment

Preferred Qualifications

• Experience with Angular
• Experience with API testing tools such as Postman or ReadyAPI
• Experience with Azure cloud technologies, Azure DevOps, App Configuration, or Key Vault
• Experience with containerization technologies
• Banking, fintech, or financial services experience
• Exposure to AI-assisted development tools such as GitHub Copilot, Claude, or similar technologies

Benefits

We also offer a comprehensive range of benefits. To learn more about our benefits, visit: Benefits Summary