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
Similar Jobs
Information Technology • Software
Design, develop, and maintain scalable, secure .NET microservices and full-stack Angular applications. Optimize SQL Server schemas and queries, write unit/integration tests, use AI-assisted tools, contribute to CI/CD, troubleshoot production issues, and collaborate with Agile teams to deliver enterprise SaaS solutions.
Top Skills:
.NetAngularAWSC#Claude CodeCSSCursorGitGithub CopilotHTMLLlmsMs Sql ServerRetrieval-Augmented Generation (Rag)SQL
Information Technology • Software
The Senior Full-Stack Engineer will develop and maintain a .NET platform, focusing on frontend Angular applications and backend ASP.NET Core Web APIs, ensure security and performance, and optimize data management and CI/CD processes.
Top Skills:
AngularAsp.Net CoreC#CSSDockerEf CoreGitHTML5JestLessNgrxRxjsScssSQL ServerTypescriptXunit
Artificial Intelligence • Marketing Tech • Software • Conversational AI • Generative AI
Part-time Revenue Operations contractor to design and run GTM tools, evaluate and integrate tech stack (HubSpot-centric), build outbound sequences, maintain enrichment and data quality, manage HubSpot workflows and reporting, and document systems for operational continuity.
Top Skills:
AIApolloClayHubspotNooksOutreachUnify
What you need to know about the Boston Tech Scene
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.
Key Facts About Boston Tech
- Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
- Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
- Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
- Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories


