Top Senior .NET Developer Jobs in San Francisco Bay Area, CA

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.

Responsible for designing, developing, testing, and maintaining secure Java applications, providing leadership and mentorship, and ensuring compliance with SDLC frameworks.

The Senior Claude Code Engineer will build a B2B GTM product using Claude Code, executing from detailed specs and working full-stack across various technologies. The role involves significant equity sharing and requires commitment with little initial salary.

Seeking a Senior Full Stack .NET Developer to work on a social good project, with strong skills in C#, AngularJS, design, and UX. Requires 5+ years of experience.

Lead design and implementation of scalable .NET Core + Angular applications. Communicate with stakeholders, estimate work, drive agile delivery, ensure code quality, mentor engineers, and collaborate across product, QA, and design to deliver client-facing solutions.

Develop and maintain web and desktop applications using .NET technologies. Requires strong programming skills, experience with databases, and project management.

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 Engineer will leverage 5+ years of experience in C#, JavaScript, and frameworks to lead and innovate solutions in a collaborative environment.

Develop and maintain high-quality software solutions, analyze requirements, and collaborate with project leaders to ensure deadlines are met while adhering to coding standards.

Looking for an experienced .NET Developer with strong skills in Asp.Net, C#, JavaScript, Entity Framework, SQL, and knowledge of Agile methodologies.

The .Net Developer will focus on creating web applications using Asp.Net and C#, along with database management, and lead integration efforts while adhering to Agile methodologies.

Lead a team to develop SaaS solutions while coding and mentoring engineers. Responsible for technical leadership and team management.

Design and develop scalable services/APIs using C#/.NET/.NET Core, collaborate during SDLC, mentor junior engineers, and ensure code quality.

The .NET developer will lead a small team, work independently, and assist junior developers while utilizing technologies like ASP.NET and SQL Server.

Design, build, and maintain scalable customer-facing web applications using Vue and .NET. Collaborate with cross-functional teams, participate in code reviews, improve CI/CD/testing/monitoring, contribute to architecture, and communicate progress while supporting product and quality goals.

The Senior Backend Engineer will develop backend solutions using .NET/C# and modern architecture, focusing on cloud services and databases, while managing client projects.

The Senior Software Engineer will focus on integrating Sage Intacct with core business processes, developing backend services, and maintaining integration systems. Responsibilities include designing, building, and supporting secure integration solutions, as well as collaborating with stakeholders on technical requirements.

As a Senior .NET Developer, you will design, develop, and maintain scalable backend services and APIs, implement architecture decisions, and communicate with clients.

As a Senior Software Engineer, you'll design and deliver high-quality solutions, collaborate across teams, mentor junior engineers, and implement scalable software systems.