C# /.Net Developer

About the role

We are looking for a skilled backend software engineer to maintain, extend, and improve our Pipelines integration platform - a distributed data pipeline system built on .NET Framework 4.8 that ingests, parses, stages, and reports on operational data from multiple third-party systems across the energy/drilling industry. The successful candidate will also take the lead in migrating the current .NET Framework application to .NET Core.

Responsibilities

• The platform is a C# / .NET Framework 4.8 Windows Service solution consisting of:
• Customer adapter services - customer-specific integration services that orchestrate data pipelines
• Reusable API libraries - shared integration adapters for third-party systems including Graph API, REST API, SQL, and NoSQL
• Pipeline stages - each managed via Azure Service Bus message queues
• Key Technologies
• Runtime
• C# / .NET Framework 4.8
• Messaging
• Azure Service Bus
• Storage
• Azure Data Lake Storage (Gen2)
• Database
• MongoDB (via MongoDB.Driver), Azure SQL / on-premises SQL Server
• Secrets & Auth
• Azure Key Vault
• Monitoring
• Azure Application Insights
• Migration Target
• C# / .NET Core
• Maintain and extend the multi-customer Windows Service pipeline executables
• Add new customer adapter projects following established patterns
• Develop new third-party integrations (ingest adapters, parse services, staging jobs)
• Extend the custom grammar expression engine for new mapping scenarios
• Manage Azure infrastructure components: Service Bus queues/topics, Data Lake paths, Key Vault secrets, App Insights monitoring
• Diagnose performance and reliability issues using Application Insights and logs
• Write and maintain unit and integration tests
• Manage NuGet package upgrades and resolve dependency conflicts
• Lead the migration of the .NET Framework application to .NET Core
• Required Skills & Experience
• 8+ years with C# and .NET Framework (4.x) - comfort with async/await, DI, and service-oriented patterns
• 8+ years with C# and .NET Core
• Knowledge of Azure Data Factory or similar orchestration tools
• Experience integrating with Azure services: Service Bus, Key Vault, Data Lake Storage, Application Insights
• Proficiency with SQL Server (Azure SQL and on-premises)
• Familiarity with MongoDB driver and BSON pipeline queries
• Understanding of OAuth 2.0 / JWT authentication flows and certificate-based auth
• Experience consuming REST APIs with HttpClient

Requirements

• Broader Azure platform experience beyond the core services listed above
• Experience with Windows Services and long-running background service patterns
• Familiarity with custom DSL / grammar expression engine design
• Recruitment Notice
• Beware of Recruitment Scams
• We have been made aware of individuals fraudulently posing as members of our Talent Acquisition team and extending fake job offers. These scams may involve requests for personal information or payment for equipment.
• Protect yourself by following these steps:
• Verify that all com

Benefits

Additional Information

Banyan Software is the best permanent home for software businesses that serve specialized industries, their employees, and their customers. We are on a mission to acquire, build, and grow great companies worldwide, helping them modernize through shared AI expertise and operational discipline. The Banyan Software Foundation, endowed with $100 million in Banyan stock, leverages technology to build a greener and more equitable world. Banyan is Great Place to Work Certified, a five-time Inc. 5000 honoree, and a top 10 company on the Deloitte Technology Fast 500. Founded in 2016 and headquartered in Atlanta, Banyan operates more than 100 portfolio companies across North America, the UK, EU, and APAC.

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