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Senior Software Engineer
South Milwaukee, WIMarch 23rd, 2026
Senior Software Engineer (C# / .NET | AWS | AI-Driven SaaS) If you’re looking to solve complex problems with modern technology—and actually see the impact of your work—this is an opportunity worth exploring. About the Role This is a hands-on engineering role focused on building and scaling a modern SaaS platform using cloud-native architecture and AI-driven capabilities. You’ll be part of a team working on next-generation systems designed to automate complex workflows and support a growing ecosystem of enterprise applications. This is a true build and expand environment, not a maintenance or support-driven role. What You’ll Do Design and develop scalable, high-performance backend systems Build and maintain APIs and services used across multiple applications Collaborate with engineering teams to integrate AI-driven features into core products Contribute to system architecture and technical direction Take ownership of features from concept through production Help improve engineering processes, tooling, and overall platform scalability What We’re Looking For 8–12+ years of experience building production software (web or SaaS platforms) Strong expertise in C# / .NET (backend services and APIs) Proven experience designing and building RESTful APIs Experience mentoring engineers and contributing to technical leadership Strong understanding of relational databases and data modeling Experience with CI/CD pipelines, monitoring, and modern deployment practices Ability to own and deliver features end-to-end Nice to Have Experience integrating AI/ML capabilities into production systems Familiarity with event-driven architectures or workflow automation Experience improving developer productivity (tools, testing, architecture) Previous team leadership or mentorship experience Technology Stack Backend: C# / .NET 8, ASP.NET Core Web APIs Cloud: AWS (ECS, Lambda, RDS, S3, SQS) Data: SQL Server, OpenSearch, event-driven systems AI: Multi-model integrations, agent-based automation DevOps: CI/CD pipelines, containerization, observability tools Why This Role High-impact work on a growing platform Exposure to modern cloud and AI technologies Strong ownership and visibility across engineering initiatives Opportunity to influence architecture and technical direction
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