Sr. Software Engineer

Ledgent Technology; Woodbury (MN); Hybrid; USD 110,000 - 130,000; Full time

Job summary

Ledgent Technology in Woodbury, MN is seeking a Sr. Software Engineer to design, develop, and support backend systems and APIs using C#.NET in a hybrid environment with at least three days onsite.

You will build RESTful APIs, document with OpenAPI/Swagger, mentor teammates, and drive architectural improvements while collaborating with product and business stakeholders.

Qualifications

• 5+ years of professional software development experience.
• Strong backend development expertise with C#.
• Experience mentoring and providing technical leadership.
• Experience building RESTful APIs and OpenAPI/Swagger docs.
• Ability to design scalable, maintainable software solutions.
• Excellent analytical, troubleshooting, and communication skills.

Responsibilities

• Design, develop, and support backend systems and APIs powering platforms.
• Develop and maintain high-performance C# backend services.
• Build RESTful APIs using OpenAPI/Swagger standards.
• Drive architectural improvements and optimize performance.
• Mentor teammates and collaborate with cross-functional teams.
• Troubleshoot production issues and assist integrations.

Skills

C# backend

REST APIs

OpenAPI/Swagger

Leadership

Troubleshooting

Communication

Tools

PostgreSQL

IIS/Windows Server

GitHub

Containers

React (nice to have)

Job description

Sr. Software Engineer (JN -032026-416389) Woodbury, Minnesota

Salary: USD110000 - USD130000 per year

Senior Software Engineer – C#.NET

Woodbury, MN (Hybrid – minimum 3 days onsite per week)
Full-Time | $110,000–$130,000

We are seeking a Senior Software Engineer to help design, develop, and support the backend systems and APIs that power both internal platforms and customer-facing applications. This role is ideal for an experienced engineer who enjoys building scalable solutions, improving system reliability, and partnering with cross-functional teams to solve complex technical challenges.

In this role, you will develop and maintain high-performance backend services using C#, build and support RESTful APIs following OpenAPI/Swagger standards, and leverage AI-assisted development tools to improve efficiency and code quality. You will contribute to system modernization efforts, drive architectural improvements, optimize application performance, and support integrations with both internal systems and third-party vendors. The position also involves troubleshooting production issues, collaborating with business and product stakeholders, and providing technical leadership and mentorship to fellow team members.

This is an opportunity to play a key role in the evolution of critical technology platforms while influencing technical direction and engineering best practices. You'll work with a collaborative team focused on innovation, quality, and continuous improvement while helping build solutions that have a direct impact on the business and its customers.

Required Qualifications

• 5+ years of professional software development experience
• Strong expertise in backend development with C#
• Experience with mentoring and technical leadership
• Experience building and supporting RESTful APIs and OpenAPI/Swagger documentation
• Proven ability to design scalable, maintainable software solutions
• Strong analytical, troubleshooting, and problem-solving skills
• Excellent communication skills with the ability to collaborate across technical and non-technical teams

Technical Environment

• C#, .NET, and ASP.NET
• REST APIs and OpenAPI/Swagger
• PostgreSQL and other relational databases
• IIS, Windows Server, and containerized services
• GitHub
• Virtualized and container-based deployment environments
• AI-powered software development tools
• React experience is a plus