Senior Software Engineer (.NET)

CPI Card Group • Roseville, MN • 12h ago

Senior Software Engineer (.NET) Job Locations US-MN-Roseville Job Category Information Technology ID 2025-10350 Shift US - Weekday days Overview This role is required to be in the Roseville, MN area. We are looking for a Senior .NET Software Developer to design, develop, and maintain systems that support prepaid card manufacturing operations. You'll demonstrate technical leadership on both new and legacy applications, collaborate with cross-functional teams, and drive best practices across development, DevOps, and system reliability. This role requires solid experience with .NET technologies, SQL, and a passion for mentoring and improving code and teams. You'll work in a hybrid environment and play a key role in ensuring application reliability, compliance (e.g., PCI/SOX), and modern deployment strategies. Responsibilities Design and implement secure, scalable, and maintainable systems using .NET and SQL Server Lead design sessions and code reviews, promoting sound design patterns and clean architecture Troubleshoot and resolve defects to minimize manufacturing downtime Support and maintain both modern and legacy manufacturing systems Independently manage assigned projects, delivering high-quality results on time Collaborate with stakeholders to gather requirements and deliver enhancements Contribute to and advance the DevOps strategy for automated CI/CD deployments Mentor junior developers through code reviews, pairing, and 1-on-1 support Implement monitoring and alerting for critical applications and infrastructure Partner with security and compliance teams to ensure PCI and SOX adherence Qualifications Required Qualifications Experience with web application development (ASP.net and Blazor) Strong understanding of object-oriented design and SOLID principles Familiarity with ORMs (Entity Framework, LINQ, Dapper) Experience implementing Dependency Injection (IOC) Experience with XML, JSON, REST APIs Proficient in Git, Visual Studio, and common SDLC tools Ability to influence stakeholders, leadership and peers through strong written and verbal communication skills Ability to manage multiple tasks independently in an agile environment Bonus Qualifications Experience in PCI-compliant or regulated environments (e.g., SOX) Exposure to DevOps tools and practices (CI/CD, pipelines, infrastructure as code) Experience with legacy .NET systems and modernization efforts Familiarity with monitoring and alerting tools (e.g., App Insights, ELK stack) Requirements: Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience) 7+ years of software development experience with .NET (C#, .NET Framework, .NET Core) 3+ years working with SQL Server (T-SQL, stored procedures, optimization) Physical Demands: Must be able to remain in a stationary position (sitting or standing) a majority of the time. Occasionally move about inside the office to access cabinets and office machines. Constantly operates a computer and other office productivity machinery. Frequently communicates with co-workers on project requirements, must be able to exchange accurate written or verbal communications. Must be able to assess information from computers. Works in indoor office conditions. Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time Company Overview: CPI Card Group is a payment technology company and leading provider of credit, debit and prepaid solutions delivered physically, digitally and on-demand. CPI helps our customers foster connections and build their brands through innovative and reliable solutions, including financial payment cards, personalization and fulfillment, and Software-as-a-Service (SaaS) instant issuance. Learn more at www.cpicardgroup.com. Benefits: Competitive pay rates and an inclusive, empowering and rewarding culture. Solid benefits package including Medical, Dental, Vision, Long Term Disability, Short Term Disability, Life Insurance, Accident Insurance, Critical Illness Insurance, FSA, HSA, Vacation and Holiday Pay, Tuition Reimbursement and 401(k) with a competitive company match percentage. CPI is an Equal Opportunity Employer, including disability/vets. A complete background including drug screen is contingent upon hire. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity, veteran status or national origin.

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