Yrefy, LLC · 2 months ago
Mid-Level Back-End Developer
Phoenix, AZ
Full-time
Onsite
Mid Level
$90K/yr - $120K/yr
3+ years expYrefy, LLC is seeking five Mid-Level Back-End Developers to enhance their platform's API and service capabilities. The role involves designing, implementing, and supporting high-performance code while collaborating with various teams to ensure seamless delivery.
Consumer LendingFinanceFinancial ServicesLending
No H1B
Responsibilities
Design, build, and maintain RESTful APIs and background services in C#/.NET
Implement integrations with internal systems and external financial APIs
Optimize data access and storage using Entity Framework, SQL Server, and efficient query design
Follow and enforce clean architecture, SOLID principles, and code quality standards
Profile, tune, and refactor slow endpoints and database queries
Contribute to CI/CD pipelines and deployment automation via Azure DevOps
Collaborate with QA and UAT teams to ensure production reliability
Participate in design sessions, code reviews, and sprint ceremonies
Communicate clearly across disciplines — UI, QA, DevOps, and Product
Contribute to team documentation and shared coding practices
Qualification
Required
3–6 years professional experience in C# and .NET Core/.NET Framework
Strong understanding of RESTful API design and microservice patterns
Experience with Microsoft SQL Server, stored procedures, and performance tuning
Familiarity with Azure services (App Service, Key Vault, Service Bus, Functions)
Competence with Git, branching strategies, and pull requests
Experience integrating with CI/CD pipelines (Azure DevOps preferred)
Strong debugging, analytical, and communication skills
Ability to balance shipping features with maintaining system stability
Must be authorized to work in the U.S. (no visa sponsorship available)
Benefits
100% Employer Paid Medical for Employee AND Whole Family Includes the Mayo Clinic
Safe Harbor 401k/ROTH Plan with a 4% Company Match
Dental Insurance
Vision Insurance
Company Paid Term Life Insurance
Company Paid Short-and Long-Term Disability Insurance
Voluntary Pet Discount Plan
Fully Subsidized LifeTime Gym Membership*
Student Loan Repayment
Tuition Reimbursement
Catered Friday Lunches
Stocked Kitchens
Opportunity to Work at a Fast-Growing Company
Company
Yrefy, LLC
Yrefy, LLC is a national specialty consumer finance lender, focusing explicitly on distressed private student loans.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$7.04MKey Investors
KG Investments
2021-04-30Debt Financing· $7.04M
2020-01-01Series Unknown
Leadership Team
Don Fenstermaker
Managing Partner
Laine Schoneberger
Managing Partner & Chief Investment Officer
Recent News
2025-07-23
2025-01-16
Company data provided by crunchbase