This is a remote position.
We are looking for a Senior .NET Full-Stack Developer / English level B2+, with 5–10 years of experience developing, maintaining, and supporting business-critical applications.
The role requires strong experience with .NET 8+, C#, ASP.NET Core, MVC, RESTful APIs, SQL Server, IIS, JavaScript, TypeScript, and at least one modern frontend framework: React, Angular, or Vue.
The candidate will be responsible for custom application development, API integrations, database optimization, deployments, troubleshooting, performance, security, and production support.
Experience with Git, CI/CD pipelines, AWS or Azure, SaaS environments, and enterprise collaboration tools is required.
A skilled team member for custom development of applications primarily using .NET / C#, ASP.NET, SQL, and Web technologies. The ideal candidate will ensure high availability, performance, and security.
Requirements
- In-depth knowledge of the .NET Framework and .NET Core/.NET 8+
- Strong proficiency in C# programming
- Extensive experience with ASP.NET Core
- Solid understanding of MVC (Model-View-Controller) Architecture
- Experience in designing and developing RESTful APIs and Web APIs
- Strong experience with Microsoft SQL Server
- In-depth knowledge of SQL and database query optimization
- Experience with IIS (Internet Information Services) Server administration and deployment
- Proficient in HTML5, CSS3, JavaScript, and TypeScript
- Knowledge of cloud hosting platforms such as AWS and Microsoft Azure
- Experience with Web Services and API integrations
- Strong database skills, including SQL Server and PostgreSQL
- Experience with modern frontend frameworks and libraries:
- Vue.js
- React.js
- Angular
- Glide
- Experience in developing and maintaining reports using:
- SQL Server Reporting Services (SSRS)
- Crystal Reports
- Experience with CI/CD pipelines and DevOps practices
- Proficient in source control and collaboration tools:
- Git
- Bitbucket
- Azure DevOps
- Experience working with:
- Jira
- ServiceNow
- SaaS & Enterprise Applications
- Experience working with Software-as-a-Service (SaaS) applications
- Strong understanding of application deployment, maintenance, and support in cloud-based environments
Skills Required
- 5-10 years developing, maintaining, and supporting business-critical applications
- .NET 8+ / .NET Core experience
- Strong C# programming proficiency
- Extensive experience with ASP.NET Core
- Solid understanding of MVC architecture
- Designing and developing RESTful APIs / Web APIs
- Strong Microsoft SQL Server experience
- In-depth SQL and database query optimization skills
- IIS server administration and deployment experience
- Proficient in HTML5, CSS3, JavaScript, and TypeScript
- Experience with at least one modern frontend framework (React, Angular, or Vue)
- Experience with Git and source control workflows
- Experience with CI/CD pipelines and DevOps practices
- Experience with cloud platforms (AWS or Microsoft Azure)
- Experience with SaaS applications and cloud-based deployments
- Experience with API integrations and web services
- Experience with PostgreSQL
- Experience with SSRS and Crystal Reports
- Familiarity with Bitbucket and Azure DevOps
- Experience using Jira and ServiceNow
- English level B2 or higher
What We Do
VELAIO is an IT services and consulting company specializing in custom software development, outsourcing, staff augmentation, and cloud solutions, with a focus on nearshore development teams from Latin America.
