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# Mid-Level Software Developer

- **Company:** MULTISTACK, LLC
- **Location:** Sparta, WI, United States
- **Experience:** Experienced
- **Salary:** $75,000.0 - $95,000.0
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Software Applications, Microsoft Azure, C Sharp (Programming Language), Code Review, Continuous Integration, Relational Databases, Github, PostgreSQL, Next.js, Software Engineering, SQL Databases, Web Application Frameworks, Network Routers, ReactJS, Backend, Git, Containerization, Kubernetes, Information Technology, Code Testing, Graphql, Terraform, Docker, Key Vault
- **Published:** August 24, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=570f200de679b2ee

## About the Role

· 3-5 years of professional experience as a software developer.

· Experience with C#/.NET for backend development.

· Experience with React and a solid understanding of modern JS frameworks; Next.js experience is a strong plus.

· Experience building or consuming GraphQL APIs.

· Experience with PostgreSQL or relational databases, including writing raw SQL queries.

· Familiarity with modern development practices: Git, code reviews, CI/CD pipelines.

· Familiarity with Docker and containerized deployments.

· Ability to work independently on well-defined tasks with minimal supervision.

· Solid understanding of core mathematical principles.

Nice to Have:

 * Experience with Next.js App Router, Apollo Client, or TanStack Query.
 * Familiarity with Kubernetes (K8s) and cloud-managed container workloads.
 * Experience with Azure services (AKS, ACR, Key Vault, Entra ID / MSAL authentication).
 * Experience with Terraform or other Infrastructure-as-Code tooling.
 * Experience with Azure DevOps or GitHub Actions.
 * Background or interest in the HVAC industry.
 * Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).

## Description

This role will focus on building and maintaining internal and customer-facing applications that support key areas of our business. You will work closely with senior developers, product stakeholders, and cross-functional teams to deliver reliable and scalable solutions with a primary focus on our backend-driven Next.js/C# application and new tooling built within a larger connected system., · Design, develop, and maintain software applications using our core stack (C#/.NET, Next.js, HotChocolate GraphQL, PostgreSQL).

· Collaborate with senior engineers and stakeholders to implement new features and enhancements.

· Design, develop, and maintain scalable applications within our connected system; writing clean, well-tested code; troubleshooting and improving existing systems; participating in code reviews; refining technical requirements and implementation approaches; and contributing to documentation and team knowledge sharing.


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