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We're looking for a seasoned .NET developer to join the Coulter Software team on a full-time remote basis. You'll work on a mix of client engagements and internal product development including legacy application modernization, cloud migrations, and AI-powered platform builds. This role is a great fit for someone who's done real work in transportation or rail systems and is ready to bring both deep .NET expertise and modern cloud/Python skills to a lean, capable team.
5-8 years of professional .NET software development experience
Strong SQL Server skills (schema design, stored procedures, query optimization)
WinForms experience, comfortable maintaining and extending desktop applications
ASP.NET (Web Forms and/or MVC/Core)
Prior experience in the transportation industry, ideally rail
Experience modernizing or migrating legacy applications
At least one of: active AWS certification, Python/Django development experience, or DevOps/CI-CD pipeline experience
Strong written and verbal communication skills, client-facing work is part of the role
Develop, maintain, and modernize .NET applications for clients across transportation, logistics, and manufacturing sectors
Work with legacy WinForms and ASP.NET codebases, improving stability, performance, and extensibility
Design and optimize SQL Server databases and stored procedures
Contribute to cloud migration and AWS deployment efforts
Build or support Python/Django components where applicable
Participate in DevOps practices, CI/CD pipelines, deployments, and infrastructure automation
Collaborate directly with clients and internal team members throughout the project lifecycle
Document technical decisions, architecture, and processes
