Senior Software Engineer (.net)

Job Description

Job Description

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)

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