Senior Software Engineer at Alliance Laundry System LLC – Ripon, Wisconsin

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.

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

Education:

Bachelor’s degree in computer science, engineering, or a similar field. Equivalent experience considered

Experience:

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

Skills and Abilities

Technical Proficiency

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)

AI-Augmented Development

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

Preferred Experience

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

Travel:

Travel is less than 10%.

Standard and Physical Requirements:

Position involves sitting long periods, standing, manual dexterity, stooping, bending and minimal lifting.

Alliance Team Members Demonstrate DRIVE:

Dedicated: Follows through on commitments. Strong say/do.

Respectful: Acts with integrity and values diverse perspective.

Innovative: Always looking for a better way; leads change.

Versatile: Adapts quickly to changing circumstances. Demonstrates agility.

Engaged: Acts like an owner. Wants to create and grow a business which is tightly aligned with market needs.