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Looking for a Mid-Senior .NET Developer with skills in Aveva (formerly Wonderware), software development kit (SDK), and C#. Will be tasked with coming on as a Contract-type developer to help our client phase out, maintain, and support an outgoing software platform while FTE staff architects a new platform for company use. This position does have the opportunity to convert over permanently given the fit and skillset to support the new software.
Job Responsibility:
Design, develop, and maintain robust backend services and APIs using C# and .NET Core / .NET 6+
Write clean, maintainable, and well-tested code following SOLID principles and best practices
Develop and optimize complex SQL queries, stored procedures, and database schemas (SQL Server)
Integrate and extend functionality using the AVEVA (formerly Wonderware) Software Development Kit (SDK), InTouch, System Platform, Historian, or OMI
Work with industrial protocols (OPC UA, OPC DA, SuiteLink, etc.) when interfacing with AVEVA products
Collaborate with SCADA engineers, automation teams, and frontend developers to deliver end-to-end solutions
Participate in code reviews, architectural discussions, and agile ceremonies
Troubleshoot, debug, and upgrade existing systems
Contribute to CI/CD pipelines and DevOps practices
Help client phase out, maintain, and support an outgoing software platform while FTE staff architects a new platform for company use
Requirements:
5+ years of professional software development experience with C# and the .NET ecosystem
Strong proficiency in .NET Core / .NET 5+ (ASP.NET Core Web API, Entity Framework Core, etc.)
Advanced SQL Server skills (T-SQL, performance tuning, indexing strategies)
Hands-on experience with AVEVA (Wonderware) SDKs – especially ArchestrA, InTouch, Application Server, Historian Client, or OMI SDK
Solid understanding of object-oriented programming, design patterns, and clean architecture
Experience with version control (Git) and modern development workflows
Familiarity with RESTful API design and microservices architecture
Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience
Excellent problem-solving and communication skills
Ability to work independently and in a collaborative team environment
MUST be U.S. based
Nice to have:
Experience in industrial automation, SCADA, HMI, or manufacturing environments
Knowledge of AVEVA System Platform, AVEVA Edge, or AVEVA Plant SCADA
Front-end skills (Blazor, Angular, React, or JavaScript/TypeScript)