Top .NET Developer Jobs in Boston, MA

As a Software Engineer, you will design, develop, and deliver high-quality software, contribute to code reviews, monitor application performance, and ensure maintainability and consistency across products.

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

The .Net Developer will focus on P&C claims development and DCT claims, requiring a minimum of 5 years of relevant experience.

The Sr. .NET Developer will work on new web-based applications, developing from user stories in 2-week sprints, both independently and in teams.

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.

Join the IT team to develop, maintain, and enhance Windows, web, web-service, and mobile payroll applications using the Microsoft .NET stack. Duties include coding (VB.NET/C#/ASP.NET), debugging, testing, collaborating with analysts, QA and operations, following Agile practices, and learning new technologies.

As a Senior Software Product Engineer, you will enhance compliance solutions through advanced software development, performance optimization, and team collaboration to ensure high-quality outcomes and user experience.

Lead .NET Full Stack engineer responsible for architecting systems, driving technical strategy, leading multi-developer projects, mentoring engineers, improving processes, ensuring high-quality deliveries, and communicating with stakeholders. Must support emergency restoration work and travel regionally between MA/CT/NH.

As a Senior Software Engineer at PerfectServe, you'll design, build, and maintain high-quality code for healthcare communication systems, mentoring junior engineers and collaborating across teams to improve patient care and clinical workflows.

Lead backend development on the scheduling platform modernization, contribute across products, write APIs, and drive AI-accelerated software development workflows.

Lead backend development on the scheduling platform modernization. Contribute across Python and .NET ecosystems, write APIs, review code, and support AI-accelerated development workflows while collaborating in a remote team environment.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

The Staff Software Engineer will design .NET infrastructure, automate builds, maintain tooling for .NET libraries, and mentor peers while ensuring security and reliability.

The C#/.NET Developer will design, develop, and implement software solutions, collaborating in an Agile environment, and ensuring code quality and performance.

Expert-level full‑stack .NET engineer who designs, develops, tests, and supports secure, scalable enterprise applications. Leads large projects, authors technical specs, mentors engineers, enforces SDLC and security/audit requirements, participates in Agile/Scrum, and drives technical strategy and innovation. Availability for occasional travel and on-call support is required.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

Design, develop, test, and maintain scalable .NET web applications. Contribute to architecture and technical design, produce database objects, perform code reviews, mentor junior engineers, support production, and collaborate with cross-functional teams in Agile delivery.

Design, develop, and maintain scalable .NET-based applications. Contribute to solution architecture, write and unit test code, perform code reviews, mentor junior engineers, develop database objects, support production, and collaborate with product, data, and client teams in an Agile environment.

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.

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 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.

Develop and maintain scalable software solutions, mentor developers, and integrate AI tools. Collaborate on technical solutions aligned with business goals.