Senior ASP.NET Developer jobs in San Francisco, CA

Remote

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Today

Education: A bachelors or masters degree from an accredited college or university in Computer Science, Information Systems, or other related field, Certifications in the field Required Skills: 1. Experience as a Full Stack developer -Full Stack development 2. Experience building RESTful APIs and Microservices-based architecture 3. Experience with Back-end: C#, .NET Core and Core 4. Experience with Front-end: React or Angular Databases 5. Experience with Azure SQL Server DevOps & Cloud 6. Exp

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Contract, Third Party

Depends on Experience

Ferries Application Developer (IT App Development - Senior/Specialist)

Remote or Seattle, Washington

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Today

Salary : $104,265.00 - $140,288.00 Annually Location : King County - Seattle - Downtown Business, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 26DOT-HQ-03581 Department: Dept. of Transportation Division: Headquarters Opening Date: 09/22/2026 Closing Date: 9/29/2026 11:59 PM Pacific Description About WSDOT The Washington State Department of Transportation (WSDOT) is a multimodal agency with a global reputation for excellence. Our dedicated workforce plans, de

Full-time

USD 104,265.00 - 140,288.00 per year

Senior .NET Developer

Remote or Hybrid in Vienna, Virginia

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15d ago

ITCON Services is seeking a highly experienced Senior Developer for a contingent position to provide operations, maintenance, and modernization of system that includes user forms, the entry, validation, certification, approval, and posting of data and centralized data warehouse to support reporting of program information. The Senior Developer will design, develop, enhance, deploy, and maintain Microsoft-based web applications, data integrations, databases, and reports using C#, ASP.NET/.NET, S

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Full-time

130,000 - 140,000

Enterprise Architect IV

Remote

•

Yesterday

Lead Full-Stack Application Developer (.NET / Azure)1-Year Contract-to-Hire -Remote / Hybrid Hourly Rate range is $83 -$96 Candidates requiring visa sponsorship now or in the future are NOT ELIGIBLE to apply for this opportunity. C2C or 1099 not available for this opportunity! Potential candidates will need to have the ability to work W2 on Prominent payroll during the contract period.Ready to Accelerate Your Career?We're looking for a Lead Full-Stack Application Developer who wants more than ju

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Contract

Depends on Experience

Sr .NET technical lead

Remote

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2d ago

Position: Sr. .NET Technical Lead EST Candidate only Experience: 15+ Years Job DescriptionWe are looking for a highly experienced Sr. .NET Technical Lead with strong hands-on coding and technical leadership experience. Required Skills15+ years of experience in .NET / Technical Lead rolesStrong hands-on experience with C# and .NETStrong experience with ASP.NET / ASP.NET CoreExperience with ORM frameworks such as Dapper or Entity FrameworkStrong experience in API / REST API development using C#/.N

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Full-time

130000 - 140000

Mid/Senior .NET Developer

Remote

•

Today

NMK Global Inc.is a global IT Services & Solutions company specializing in IT Staffing, Technology Consulting, Workforce Solutions, and Application Development Services. We help organizations build high-performing technology teams by connecting them with exceptional talent across a wide range of industries. Our expertise, industry knowledge, and consultative approach enable clients to achieve successful business outcomes while helping professionals advance their careers. Job Title: Mid/Senior

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Third Party, Contract

Depends on Experience

Sr .Net Developer

Remote

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21d ago

Must Haves: API Development experience, .Net core stack esponsibilities: Design, develop, and maintain high-quality, production-grade software solutions aligned with enterprise standards, using Microsoft .NET (Framework and .NET Core), C#, SQL Server, and integrated system components.Contribute across all phases of the software development lifecycle, ensuring adherence to documented processes, coding standards, and quality guidelines.Collaborate with cross-functional team members to design scala

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Full-time, Third Party

65 - 70

Senior .NET Developer

Remote

•

Today

Senior .NET Developer - W2/1099 Location: Sugarland, TX, United States - Remote Must Have Skills TOP 5 SKILLS NEEDED Experience developing applications using MVC / .NET Strong proficiency in C# Experience with JavaScript, jQuery, and modern front-end development practices Experience working with Microsoft SQL Server and database management tools such as SQL Server Management Studio (SSMS) Familiarity with Azure development and cloud-based application deployment Work with subject matter ex

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Contract

Depends on Experience

Senior Application Developer

Remote or Lynnfield, Massachusetts

•

Today

Job Description Senior Application Developer About the Role We are seeking a highly skilled Senior Application Developer / Technical Lead to design, develop, support, and enhance enterprise web applications using modern Microsoft technologies. The ideal candidate will have strong experience with Angular, C#, .NET, IIS, Identity Management solutions, GitHub, Azure DevOps (ADO), and application security remediation practices. This role requires a hands-on technical leader who can collaborate ac

Full-time

USD 96,250.00 - 125,000.00 per year

Senior Full Stack .NET Developer - California or Hawaii

Remote or Hybrid in Honolulu, Hawaii

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2d ago

Internal Position Title: Application Developer Come join our development team! We are a small, experienced and supportive team that enjoys solving challenging problems, reviewing ideas, sharing knowledge and building reliable solutions together. We value practical approaches, thoughtful technical discussions and an environment where everyone can contribute and continue developing professionally. We are looking for a hands-on Senior Full Stack .NET Developer to maintain and enhance business-crit

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Full-time

145000 - 160000

Senior Full Stack .NET Developer - California or Hawaii

Remote or Hybrid in Sacramento, California

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2d ago

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Full-time

145000 - 160000

Sr. Software Developer (Remote: Must Reside in OR, WA, ID, MT)

Remote or Hybrid in Portland, Oregon

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Yesterday

Sr. Software Developer (Remote) Our client, a leading Pacific Northwest utility provider committed to public service and environmental preservation, is looking for a Remote Sr. Software Developer. This assignment is Remote and is only open to candidates within the following states: Oregon, Washington, Idaho, and Montana. This position is located in the Asset Management and Engineering Applications organization within the IT department. The role will develop and support information systems. The

Contract

Application Developer - Senior

Remote

•

Today

Description Synergy Business Innovation & Solutions is a premier implementer of cutting-edge software solutions. Synergy brings the experience and expertise necessary to deliver capability that provides tangible ROI to our customers. Our core areas of expertise are in the fields of Digital Transformation, Cloud Solutions, SaaS and Low-Code/No-Code Solutions, Emerging Technologies, Data Analytics and Visualization, Information Assurance, and Business Process Re-Engineering. Synergy offers its e

Full-time

USD 100,000.00 - 120,000.00 per year

Senior .Net Developer (.NET, Node.js , Azure)

Remote

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13d ago

Job Title: Senior .Net Developer (.NET, Node.js , Azure) Location: REMOTE Duration: 6 Months Contract The ideal candidate has experience working in regulated, enterprise environments (such as healthcare), understands the importance of security, reliability, observability, and compliance, and can contribute at both a technical execution and solution design level. Key Responsibilities Application Development (Full Stack) Design, develop, and maintain full-stack applications using .NET (C#, ASP.NE

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Contract, Third Party

Depends on Experience

Senior Software Engineer – .NET

Remote

•

Yesterday

( Only W2 ) We Are , Role : Senior Software Engineer .NET Location : Remote Experience : 10+ Years Job Description We are looking for a Senior Software Engineer to develop high-volume, mission-critical web applications. The role requires strong hands-on coding experience, technical design skills, troubleshooting abilities, and the ability to mentor other developers while collaborating with engineering managers, product owners, and business teams.ResponsibilitiesFollow Agile/Scru SDLC methodo

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Third Party, Contract

Depends on Experience

Senior Software Engineer

Remote

•

Today

Overview Cotiviti is a leading solutions and analytics company that leverages unparalleled clinical and financial datasets to deliver deep insight into the performance of the healthcare system. These insights uncover new opportunities for healthcare organizations to collaborate to improve their financial performance, reduce inefficiency, and improve healthcare quality. The Sr Software Engineer is primarily responsible for the support of the existing software applications and enhance software c

Full-time

USD 111,000.00 - 150,000.00 per year

Senior .NET Developer / Cincinnati, OH/ Candidates - REMOTE

Remote or Cincinnati, Ohio

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Today

Greetings, We're seeking a Senior Full Stack Developer with strong backend expertise in .NET Core/.NET 8 and React.js on the frontend. Join a dynamic team building modern tech solutions for a leading financial and real estate client. Senior .NET Developer w/ React.js Application Developer Application Developer Cincinnati, OH - Hybrid Permanent IMPORTANT NOTE: This role requires the submission of a code exercise, which will take a senior developer 90 minutes (or longer) to complete. Please d

Full-time

Senior .NET Developer (Google Cloud Platform, BigQuery, Python, React, Azure Devops) with min 12+ Years Exp Required

Remote

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9d ago

Job OverviewWe are looking for an experienced .NET Developer with strong hands-on experience in Google Cloud Platform (Google Cloud Platform), BigQuery, AI/Generative AI, React.js, and Python. The ideal candidate will have a strong .NET development background combined with cloud-native application development experience. The candidate will be responsible for designing, developing, integrating, and deploying scalable applications leveraging .NET, Google Cloud Platform cloud services, AI technolog

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Contract

$60 - $70

Senior ASP.NET Developer jobs in San Francisco, CA, USA