Backend Software Engineer - C#/NET, GraphQL & PostgreSQL

Multistack, LLC; Wisconsin; On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life insurance

401(k) match

Paid holidays

Paid vacation

Job summary

Multistack is seeking a software engineer to build and maintain internal and customer-facing applications, focusing on our backend-driven Next.js/C# platform and related tooling within a connected system.

You will collaborate with senior developers and product stakeholders to deliver reliable features, write clean code, participate in code reviews, and help refine requirements. The role is based in Wisconsin with on-site work expectations.

Qualifications

• 3–5 years of professional software development experience.
• Experience with C#/.NET for backend development.
• Experience with React and modern JavaScript frameworks; JS experience is a strong plus.

Responsibilities

• Design, develop, and maintain software applications using our core stack (C#/.NET, js, GraphQL, PostgreSQL).
• Collaborate with senior engineers and stakeholders to implement new features and improvements.
• Develop scalable applications within our connected system; write clean, well-tested code; perform code reviews; document and share knowledge.

Skills

C#/.NET

React

GraphQL

PostgreSQL

Git

CI/CD

Docker

SQL

Unit testing

Education

Bachelor’s degree in CS or related field

Tools

Azure

Kubernetes

Terraform

Azure DevOps

GitHub Actions

Job description

Multistack is seeking a software engineer to build and maintain internal and customer-facing applications, focusing on our backend-driven Next.js/C# platform and related tooling within a connected system.

You will collaborate with senior developers and product stakeholders to deliver reliable features, write clean code, participate in code reviews, and help refine requirements. The role is based in Wisconsin with on-site work expectations.