Top .NET Developer Jobs in Boston, MA

Lead and mentor an engineering team building GovIntel and GovChannel product capabilities. Own technical direction, design and deliver scalable SaaS features, APIs, integrations, and platform reliability. Partner with Product, QA, Cloud Ops, and stakeholders to prioritize work, drive CI/CD and observability practices, lead reviews and incident response, and apply AI-assisted tools to improve development speed and quality.

Maintain and improve Advisor360°'s SaaS platform by diagnosing complex issues, optimizing performance and availability, designing serviceability tooling, and collaborating with Engineering, QA, DevOps, and Infrastructure. Mentor teammates, ensure coding standards, participate in on-call rotations, and support global infrastructure deployment and scalability.

Develop and maintain .NET/SharePoint applications using C#, ASP.NET, WCF/REST services and .NET MVC. Work with front-end technologies (HTML5, CSS, jQuery, Kendo, Bootstrap), T-SQL/SQL Server tuning, source control (VSS/TFS), and apply design patterns. Ensure performance, security, scalability and collaborate in a global delivery environment.

Design, develop, and maintain SharePoint solutions using C#/.NET and front-end technologies. Build workflows (Nintex/Designer), conduct code reviews, produce technical documentation, support testing, and collaborate across global teams to meet functional and non-functional requirements.

Design, develop, and maintain SharePoint solutions using C#, ASP.NET and client-side technologies. Implement OOTB SharePoint features, workflows (Nintex/Designer), REST/WCF services, perform code reviews, create technical documentation, and support global delivery and testing activities.

Design, develop, and maintain SharePoint solutions using C#, ASP.NET, WCF, REST and front-end technologies. Participate in requirements, design, code reviews, testing, documentation, and technical escalation. Work in a global delivery environment, ensure best practices for performance, security, and scalability, and support knowledge management and business development activities.

Develop and maintain .NET/SharePoint solutions using C#, ASP.NET, WCF/REST services, jQuery and SQL Server. Optimize database queries, implement web UI with modern HTML/CSS frameworks, follow design patterns, and collaborate in a global delivery environment.

Design, develop, and maintain .NET and SharePoint solutions (2010/2013). Produce technical designs, code, tests, and documentation; perform code reviews; troubleshoot databases and performance; collaborate with onshore/offshore teams; and support deployment, QA, and technical escalation.

The .Net Developer will design, develop, test, and maintain complex applications using various technologies and tools, while ensuring high quality and adherence to standards.

The Cloud .NET Developer will design, develop, and implement cloud-based enterprise web services, focusing on the .NET framework and working with teams to meet requirements through agile methodologies.

The .NET Developer will work on backend and frontend development using C#, ASP.NET, and various JavaScript frameworks, alongside Git for version control.

The .NET Developer will lead web application development, supervise an offshore team, manage client deliverables, and support UAT and production deployment.

The .NET Developer will lead web application development projects, supervise an offshore team, and manage client deliverables while ensuring a smooth end-user experience.

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.

Designs, codes, tests, and documents .NET applications; follows SDLC and Agile/Scrum practices; supports Tier 3 incidents; works on system integration and CI/CD (Jenkins, GitHub); collaborates with product owners and vendors; participates in production releases and mentors junior developers.

The .NET Developer will design, develop, and enhance web-based applications, maintain ERP solutions, and collaborate with cross-functional teams to support software throughout its lifecycle.

Maintain and enhance a portfolio of .NET web applications: write C#/.NET Core code, unit tests, and documentation; develop SQL queries and stored procedures; perform debugging, defect resolution, and ATO vulnerability remediation; ensure accessibility (Section 508/WCAG) compliance; use Azure DevOps for source control and CI/CD; participate in code reviews and technical working sessions under senior developer guidance.

Provide technical leadership to design, modernize, and sustain a portfolio of .NET web applications and Azure infrastructure. Develop and migrate WebForms to ASP.NET Core and SSRS to Power BI, maintain SQL Server databases, enforce secure coding and ATO compliance, ensure accessibility (Section 508/WCAG), and mentor junior developers while coordinating with VA stakeholders.

Design and build scalable web applications and RESTful APIs in C# (.NET/.NET Core). Develop front-end UIs with React/HTML5/CSS3/JavaScript, implement microservices, NoSQL and SQL databases, use containers/Docker and CI/CD pipelines, and write automated tests. Participate in complex system design and implementations.

Contract remote .NET/Kentico web developer to build interactive, dynamic websites. Requires front-end web development experience and familiarity with the Kentico CMS. Six-week engagement.

Design, build, and maintain scalable web applications for payroll and accounting. Collaborate with engineers and product partners, write tested code, participate in code reviews, contribute to architecture, improve CI/CD and monitoring, support production (including on-call), and communicate progress while continuously learning.

Design, develop, test, and deploy .NET solutions (APIs and web apps). Build and consume RESTful services, work with SQL and NoSQL databases, use cloud (Azure/AWS) and Docker, apply unit/integration/performance testing, participate in code reviews, define features via spikes, and architect scalable, high-performance systems. Support occasional after-hours and on-call rotation.

Looking for a .Net Developer with very good experience in .Net and work experience in CDO Suite.

The Back End Software Engineer will design and build scalable services for a SaaS platform, collaborate with teams, and contribute to quality code and architecture discussions.

The .Net Developer will lead development efforts using C#, .NET, and SQL, focusing on SOA framework implementation, web services, and UI integration.