Senior Backend Engineer (.NET) — Costa Rica Remote
Software MindBuild .NET microservices on AWS for Software Mind’s white-label B2B e-commerce platform, connecting Shopify with marketplace, payment, and tax systems.
Open
Software Mind is a technology company delivering software development and digital transformation services for organizations across artificial intelligence, SaaS, and telecommunications. Its work includes custom software, mobile applications, cloud consulting, and AI-focused solutions designed around the needs of clients in sectors such as financial services, telecom, biotech, and media. With a team of more than 1,000 employees, Software Mind supports technology initiatives and digital growth for businesses operating across global markets.
Senior .NET Backend Engineer — Software Mind, Costa Rica Remote
Build .NET microservices for Software Mind’s B2B e-commerce clients. Integrate AWS services, marketplaces, and legacy systems.
Description
- Build scalable REST microservices using ASP.NET Core Web API, .NET 8, and CQRS.
- Lead development of order management, inventory, pricing, catalog synchronization, and notification services.
- Connect Amazon and Walmart marketplace APIs with ERP platforms, payment gateways, and tax services.
- Help maintain legacy services through phased or partial migrations.
- Create unit, integration, and BDD tests with xUnit, Reqnroll, and FluentAssertions.
- Work with the Team Lead to define API contracts and service communication through SQS and EventBridge.
- Contribute to code reviews and architecture decisions.
- Help uphold engineering standards.
- Assist DevOps with AWS environment setup and infrastructure as code.
- Take part in sprint planning, stand-ups, and technical discussions with the client.
Requirements
- At least 4 years of backend development experience and strong C#/.NET skills, including ASP.NET Core and .NET 6 or later.
- A solid understanding of clean architecture, including DDD, CQRS, the repository pattern, and dependency injection.
- Experience building and integrating REST APIs, including use of OpenAPI or Swagger.
- Working knowledge of AWS services such as Lambda, SQS, S3, and RDS or DynamoDB.
- Experience with relational databases such as PostgreSQL or SQL Server, and NoSQL databases such as MongoDB.
- Knowledge of JWT or OAuth 2.0 authentication.
- Experience integrating new services into existing systems.
- Experience with Docker and containerized workflows.
- Strong written and spoken English.
- Experience working with Agile/Scrum and Jira.
Benefits
- Option to work remotely.
- Full-time employment.
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