Senior .NET full-stack developer responsible for custom application development, API integrations, database optimization, deployments, troubleshooting, performance, security, and production support using .NET/C#, ASP.NET Core, SQL, modern frontend frameworks, cloud, and CI/CD.
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.
Role overview
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.
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
Technical Skills
- 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
Frontend Technologies & Frameworks
- Experience with modern frontend frameworks and libraries:
- Vue.js
- React.js
- Angular
- Glide
Reporting Tools
- Experience in developing and maintaining reports using:
- SQL Server Reporting Services (SSRS)
- Crystal Reports
DevOps & Version Control
- Experience with CI/CD pipelines and DevOps practices
- Proficient in source control and collaboration tools:
- Git
- Bitbucket
- Azure DevOps
Project Management & Collaboration Tools
- 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
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Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
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