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Software Developer

Jefferson Capital, Inc. (NASDAQ: JCAP)

Sartell, MN · $100k–$120k a year · Posted June 3, 2026

More in Minnesota job market · Financial Services & Banking · Engineering jobs

About the job

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.