Sr. Software Engineer

Ledgent Technology; Woodbury (MN); Hybrid; USD 120,000 - 160,000; Full time

Job summary

Ledgent Technology in Woodbury, MN, is seeking a Senior Software Engineer to design and maintain backend systems and APIs using C#.NET. The role is hybrid (minimum 3 days onsite per week) and full-time, offering a $120,000-$160,000 salary.

You will lead backend development, API design, and cloud integration across Azure and AWS. The ideal candidate has 8+ years of experience, strong leadership, and proven ability to deliver scalable software with OpenAPI/Swagger documentation.

Qualifications

• 8+ years of professional software development experience.
• Strong expertise in backend development with C#.
• Experience with modern technologies and cloud migration (Azure preferred).
• Experience with mentoring and technical leadership.
• Experience building and supporting RESTful APIs and OpenAPI/Swagger documentation.
• Proven ability to design scalable, maintainable software solutions.

Responsibilities

• Design, develop, and support backend systems and APIs powering internal platforms and customer applications.
• Build and maintain high-performance backend services using C# and RESTful APIs.
• Lead architectural improvements, enhance performance, and support integrations with internal and third-party systems.
• Mentor teammates and collaborate with cross-functional stakeholders.
• Troubleshoot production issues and contribute to engineering best practices.

Skills

C#

Backend development

REST APIs

OpenAPI/Swagger

Azure/AWS

Mentoring/leadership

Tools

PostgreSQL

GitHub

Azure

Job description

Senior Software Engineer - C#.NET

Woodbury, MN (Hybrid - minimum 3 days onsite per week) Full-Time | $120,000-$160,000

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.

Candidates must be eligible to work in the United States without sponsorship, both now and in the future.

Required Qualifications

• 8+ years of professional software development experience
• Strong expertise in backend development with C#
• Experience with modern technologies and cloud migration (Azure preferred)
• 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
• Azure and AWS
• IIS, Windows Server, and containerized services
• GitHub
• Virtualized and container-based deployment environments
• AI-powered software development tools
• React experience is a plus

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, Los Angeles County Fair Chance Ordinance, and San Francisco Fair Chance Ordinance.