Senior Software Engineer - .NET
Core
Architect and build scalable backend systems and APIs for the ShipStation API brand, serving millions of requests.
Role type
Senior IC backend software engineer (.NET)
Builds
Scalable backend services, microservices, and REST APIs for shipping logistics software
Domain
Logistics / SaaS / Cloud Infrastructure
Required skills
C#, .NET (ASP.NET Core, Entity Framework Core), AWS (EC2, Lambda, RDS, S3, CloudFront, SQS, API Gateway), REST API design, SQL/NoSQL database design, Docker, CI/CD pipelines, Git, OAuth/JWT authentication, microservices architecture, unit/integration testing
Preferred skills
TypeScript, event-driven architectures, message queues, Redis/CDN caching, AI-assisted development integration
Technologies
C#, .NET, ASP.NET Core, Entity Framework Core, AWS, React, Terraform, CloudFormation, CDK, Docker, Redis, GitHub Copilot, Claude, OpenAI API, AWS Bedrock
Responsibilities
Design and implement backend services and APIs; conduct code reviews and enforce engineering standards; mentor mid-level and junior developers; configure CI/CD pipelines and deploy to AWS; develop and maintain unit and integration tests
Seniority
Senior, hands-on IC
