Senior .NET Engineer: AI-Driven, Remote, Scalable Payments

Team Velocity Marketing, LLC; United States; Remote; USD 113,000 - 138,000; Full time

Job summary

Team Velocity Marketing, LLC is seeking a hands-on Senior Software Engineer to design, develop, and maintain scalable services for automotive pricing, incentives, and payments, leveraging AI-assisted development to boost productivity and code quality.

You will work on high-performance C#, .NET 8/10, and ASP.NET Core REST APIs, integrating external data providers and ensuring security, testing, and production reliability in a fully remote role.

Qualifications

• 7+ years of software engineering experience with production C#/.NET expertise.
• Strong ASP.NET Core, REST API, asynchronous programming, and backend design skills.
• Strong Microsoft SQL Server experience including data modeling and query optimization.
• Experience with distributed, high-volume, or multi-tenant applications.
• Knowledge of caching, concurrency, resilient design, and performance optimization.
• Experience integrating external APIs and implementing complex business logic.
• Hands-on proficiency with AI-assisted development tools.
• Ability to own design, implementation, testing, and production delivery.

Responsibilities

• Design and maintain high-performance C#, .NET 8/10, and ASP.NET Core services and REST APIs.
• Build services for vehicle inventory, pricing, incentives, and finance/lease payment calculations.
• Integrate third-party automotive data providers, OEM systems, and payment calculation services.
• Improve performance, scalability, reliability, and maintainability; troubleshoot production incidents.
• Modernize legacy .NET applications and contribute to service architecture decisions.
• Ingest, normalize, validate, and process vehicle inventory from multiple sources.
• Develop finance and lease calculations including taxes, fees, and rounding-sensitive financial logic.
• Translate automotive requirements into reliable multi-tenant software.

Skills

C#/.NET

ASP.NET Core

REST APIs

SQL Server

Distributed systems

AI tooling

CI/CD

Git

Tools

GCP

Kubernetes

Redis

Elasticsearch

Docker

Job description

Team Velocity Marketing, LLC is seeking a hands-on Senior Software Engineer to design, develop, and maintain scalable services for automotive pricing, incentives, and payments, leveraging AI-assisted development to boost productivity and code quality.

You will work on high-performance C#, .NET 8/10, and ASP.NET Core REST APIs, integrating external data providers and ensuring security, testing, and production reliability in a fully remote role.