Senior Software Engineer

Alliance Laundry System•Ripon, WI

17d

About The Position

The Senior Software Engineer will design, develop, and maintain backend services and APIs that power our digital product ecosystem—including applications that integrate with and run on edge gateway devices. This senior-level individual contributor role requires deep technical expertise in .NET development, strong problem-solving skills, and the ability to deliver high-quality, scalable solutions while collaborating effectively with cross-functional teams.

Requirements

5-8 years of professional software engineering experience
Strong experience with .NET (C#) and ASP.NET Core required
Experience with edge gateway/IoT communication patterns
Experience with SQLite and PostgreSQL databases
Deep understanding of RESTful API design and integration patterns
Experience with Entity Framework Core or similar ORMs
Proficiency with Git-based workflows and CI/CD pipelines
Understanding of software testing practices (unit, integration, end-to-end)
Demonstrated prior experience using AI-assisted development tools (e.g., Claude Code, Cursor, Windsurf, Codex, GitHub Copilot) in daily engineering work
Ability to effectively leverage AI tools while maintaining code quality and security standards

Nice To Haves

Distributed systems experience
Experience with React.js or other modern frontend frameworks
Familiarity with AWS cloud services
Experience with message brokers (MQTT, RabbitMQ, AWS SQS)
Familiarity with containerization (Docker) and orchestration
Trunk-based development experience

Responsibilities

Design, develop, and maintain ASP.NET Core APIs and backend services that support edge gateway and IoT device communication
Build and optimize applications that interface with firmware over TCP sockets, local WiFi, and offline-tolerant architectures
Write clean, maintainable, and well-tested code following established coding standards and best practices
Participate in code reviews, providing constructive feedback and ensuring code quality across the team
Collaborate with architects, product managers, firmware engineers, and other stakeholders to translate requirements into technical solutions
Troubleshoot and debug complex issues across distributed systems
Contribute to technical documentation, API specifications, and system design decisions
Participate in sprint planning, estimation, and delivery commitments
Stay current with .NET ecosystem developments and recommend adoption of new tools and patterns where appropriate
Support CI/CD pipeline improvements and DevSecOps practices