.NET Specialist Software Engineer (C#)

Location: Hybrid position requiring three days per week in a U.S. hub location: Philadelphia, Pennsylvania; Cedar Rapids, Iowa; or Denver, Colorado. Moderate travel of 10–25% may be required. Applicants must be authorized to work for any employer in the United States. Visa sponsorship is not available, and relocation assistance will not be provided.

Salary: $141,000–$165,000 annually, plus potential eligibility for an annual bonus.

Company

hirify.global provides insurance, retirement, investment, and financial solutions as part of the international Aegon group.

What you will do

• Set technical direction for the architecture, development, deployment, and operational support of business-critical Windows Services built with C# and .NET Framework 4.8.
• Design and resolve complex multithreading, synchronization, concurrency, service stability, memory, and resource-containment issues.
• Build self-managing services with startup validation, worker orchestration, heartbeat monitoring, dead-thread recovery, controlled escalation, and visible blocked states.
• Define transaction-integrity, dead-letter, replay, and recoverable-processing patterns so in-flight work is not lost.
• Lead SQL Server architecture and performance practices, including execution plans, indexing, isolation levels, deadlock handling, connection resiliency, and bounded-memory data access.
• Establish observability, deployment, runbook, reference-design, code-review, and engineering standards across teams while mentoring senior developers.

Requirements

• At least six years of professional software engineering experience with substantial C# and .NET Framework 4.x expertise.
• Deep hands-on experience with multithreading, synchronization primitives, deadlocks, race conditions, and resource contention.
• Production experience building and operating Windows Services using ServiceBase, Service Control Manager, InstallUtil or ProjectInstaller, lifecycle management, and Windows Event Log.
• At least five years of advanced SQL Server engineering experience, including transactions, isolation levels, concurrency, execution plans, indexing, deadlock resolution, and connection resiliency.
• Experience with LLBLGen or a comparable ORM, Visual Studio, Git or Bitbucket, SQL Server Management Studio, NUnit or comparable testing tools, and build/deployment pipelines.
• Bachelor’s degree in a technical field or equivalent experience, with strong design, analytical, documentation, communication, and independent problem-solving skills.

Nice to have

• Master’s degree or technology and platform certifications.
• Financial services or insurance industry experience, including ACORD, commissions, or regulated audit requirements.
• Experience with formal change management, L3 production support, and observability tools such as AppDynamics, Splunk, Elasticsearch, or CloudWatch.
• Exposure to messaging, integration, cloud, containerization, CI/CD, REST APIs, or modern frontend frameworks.

Culture & Benefits

• Hybrid office environment with regular in-office collaboration on Tuesdays, Wednesdays, and Thursdays.
• Medical, dental, vision, disability, pension, 401(k) matching, employee stock purchase, and tuition reimbursement benefits.
• Paid time off starting at 160 hours annually, paid holidays, parental leave, adoption assistance, and backup care.
• Career training, development opportunities, wellness programs, employee resource groups, and inclusion and diversity initiatives.
• Work outside normal business hours may occasionally be required.