Demo

Software Developer

Jefferson Capital Systems
Sartell, MN Full Time
POSTED ON 8/3/2026
AVAILABLE BEFORE 6/3/2031

JOB SUMMARY & RESPONSIBILITIES

  • Design, develop, and maintain applications using C#, .NET, ASP.NET Core, and related technologies
  • Collaborate with cross-functional teams to define technical requirements and architecture
  • Write clean, maintainable, and testable code following best practices and coding standards
  • Optimize application performance and troubleshoot complex technical issues
  • Participate in code reviews and mentor junior developers as needed
  • Contribute to system architecture decisions and technology evaluations
  • Work with SQL Server for database design, queries, and performance tuning
  • Stay current with emerging technologies and industry trends

REQUIREMENTS

  • Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience)
  • 5 years of experience with C# and the .NET framework, including .NET Core/.NET 6
  • Strong experience with ASP.NET Core MVC/Web API
  • Solid understanding of object-oriented programming and design patterns
  • Proficiency in relational databases (SQL Server, PostgreSQL, etc.) and writing complex queries
  • Experience with source control systems
  • Strong problem-solving skills and the ability to work independently or as part of a team
  • Self-motivated, requires little direct supervision or assistance to complete tasks
  • Able to contribute to a team-oriented, collaborative environment
  • Passionate about learning, embracing new challenges, and having fun

PREFERRED QUALIFICATIONS

  • Knowledge of CI/CD pipelines and DevOps practices
  • Experience with performance optimization and profiling tools
  • Exposure to Agile methodologies and working in cross-functional teams
  • Front-end experience with frameworks such as React, Angular, or Blazor
  • Proficiency in unit testing and automated testing frameworks
  • Background in high-performance, scalable system design
  • Experience with cloud platforms (Azure or AWS)

BENEFITS

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Disability insurance
  • Employee assistance program
  • Flexible spending accounts
  • Health insurance
  • Life insurance
  • Paid time off
  • Parental leave
  • Tuition reimbursement
  • Vision insurance
  • Pet insurance
  • Employee discount program.

Salary : $100,000 - $120,000

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