Backend Engineer – .NET Microservices & APIs

towerloan; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

Tower Loan is seeking a Software Engineer to design, develop, and maintain scalable backend services in .NET Core / C#. You will contribute to a modern microservices architecture alongside product and engineering teams.

Responsibilities include refactoring legacy components into APIs, building SQL Server schemas, and integrating payment, document management, analytics, and internal APIs while ensuring security and regulatory compliance.

Qualifications

• Bachelor's degree in a relevant field required.
• 3+ years of professional software development experience in .NET Core / C#.
• Experience with SQL Server (DDL, performance tuning, views, indexing).
• Proven experience integrating third-party APIs and building internal SDKs.
• Understanding of domain-driven design (DDD) and clean architecture principles.

Responsibilities

• Design, develop, and maintain scalable backend services in .NET Core / C# as part of our new microservices architecture.
• Refactor legacy monolithic components into modern APIs, ensuring smooth migration and minimal business disruption.
• Collaborate with product and engineering on services supporting Account Inquiry, Workbox, Smart Comments, Unified Messaging, and Document/eSignature workflows.
• Build and maintain SQL Server schemas, stored procedures, and views with data integrity and performance focus.
• Develop and manage integrations across payment, document management, analytics, and business intelligence platforms, as well as internal APIs.
• Implement event-driven patterns (Kafka) for reliable communication and asynchronous processing.
• Participate in code reviews, sprint planning, and CI/CD pipeline optimization.
• Work with front-end teams using Blazor to deliver seamless, modern user experiences.
• Ensure compliance with security, privacy, and regulatory frameworks (TCPA, CAN-SPAM, GLBA).
• Contribute to technical documentation, ERDs, OpenAPI specs, and deployment scripts.
• Perform all other duties as assigned.

Skills

Microservices architecture

REST APIs

CI/CD pipelines

Debugging

Communication

Blazor or React

Education

Bachelor's Degree in CS/SE/IT

Tools

SQL Server

OpenAPI

Kafka

Job description

Tower Loan is seeking a Software Engineer to design, develop, and maintain scalable backend services in .NET Core / C#. You will contribute to a modern microservices architecture alongside product and engineering teams.

Responsibilities include refactoring legacy components into APIs, building SQL Server schemas, and integrating payment, document management, analytics, and internal APIs while ensuring security and regulatory compliance.