C# jobs in San Diego, CA

C#/Duck Creek Developer (Field Engineer)

Remote or Hybrid

•

Today

Precision is seeking TWO (2) Duck Creek/C# Developers for a contract position with our Fortune 100 client. This fully remote role supports software applications and platform enhancements using Duck Creek Policy, C# .NET, Kafka, and API development. You will analyze requirements, create programming specifications, develop and test code, support production applications, and maintain technical documentation. The role requires strong troubleshooting, problem-solving, organization, and communication

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Contract

DOE

Need Mainframe developer with C#/.net experience

Remote

•

Today

Position: Mainframe Developer (C#/.NET) Required Skills: Strong experience in Mainframe technologies (COBOL, JCL, CICS, DB2, VSAM).Hands-on experience in C#/.NET development.Experience with SQL Server and database design.Knowledge of mainframe modernization, integration, and API development.Ability to analyze, maintain, and enhance legacy mainframe applications.Experience with system troubleshooting, performance tuning, and production support.Understanding of SDLC, Agile methodologies, and versi

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Contract

Depends on Experience

Mainframe Developer with C# (W2 Contract)

Remote

•

Today

Hiring, Greetings from Modern Agile Technologies. Position: Mainframe Developer with C# Experience Location: Remote (Fine to work in AZ time zone) Type : Contract Required Skills: Strong experience in Mainframe technologies (COBOL, JCL, CICS, DB2, VSAM).Hands-on experience in C#Migration project experience mainframe with C#healthcare industry must

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Contract

Depends on Experience

Lead Dotnet Developer - Remote (Must have: Google Cloud Platform, C#, ASP.NET, Web API) Direct client - 12+ months contract...

Remote

•

Today

Must have: Technical Lead / .NET Lead, C#, ASP.NET, and ASP.NET Web API.Google Cloud Platform (Google Cloud Platform)services, specifically -Google Cloud Run-Google Cloud Run Jobs-Google Pub/Sub. Strong hands on coding, Familiarity with CI/CD pipelines, DevOps practices and modern software engineering methodologies and cloud deployment strategies. Leading a scrum team Requirements 10+ years of experience in software development with strong expertise in the Microsoft technology stack.Proven expe

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Contract

Depends on Experience

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

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Today

Job ID: 2616718 Location: Remote Work, TX, US Date Posted: 2026-09-10 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

C#.NET Developer with Trading And Capital Market Exp

Remote

•

Today

JOB DESCRIPTION: Please apply only if you have Investment banking/Capital market experience. Role: C#.NET Developer with investment banking and Capital Market exp.Location: NY(Remote)Job Type: W2 / Fulltime Client is looking for a reliable full stack Dot Net developer ASAP.Wealth Management & Capital Market (Trading, Equities, , Portfolio) Exp. Must.SQL, C#, .NET, Full stack developer with 8+ years of experienceProficiency in C#, .NET framework, and object-oriented programming principles.Experie

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Full-time

Depends on Experience

Sr. .Net Developer

Hybrid in San Diego, California

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Today

Job Title: Sr. .Net Developer / Lead/ Architect Job Location:San Diego, CAHybridFull timeAbout the RoleWe are looking for a highly skilled Sr. .NET Developer with strong experience in enterprise application development using .NET technologies, cloud-native architecture, and modern frontend frameworks. The ideal candidate should have hands-on experience with AWS cloud services, Angular, and exposure to Agentic AI or other AI-driven development tools/platforms. Prior experience in the Wealth Manag

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Full-time

Depends on Experience

C#/VB.NET Developer

Remote or Hybrid

•

Today

Our Fortune 100 client is seeking a Senior IT Software Developer for a 12-month contract assignment. This remote role focuses on developing software solutions, with approximately 80% back-end development and 20% front-end development. The developer will analyze requirements, write and modify complex code, test applications, support production systems, and maintain technical documentation. The role requires strong experience with VB.NET, C#, SQL Server, integration and reporting services, SQL Alw

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Contract

DOE

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

•

Today

Job ID: 2616245 Location: Remote Work, TX, US Date Posted: 2026-08-28 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

Sr. Engineer, AI Platforms

San Diego, California

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Today

Company:Qualcomm Incorporated Job Area:Engineering Group, Engineering Group > Software Engineering General Summary: We are looking for a hands-on Senior Software Engineer for our Qualcomm?s Enterprise AI Platform and Solutions team. In this role, the candidate will contribute to the design, development, and delivery of next-generation AI-powered developer tools and platform capabilities that enhance productivity and user experience across enterprise applications. This is a fast-paced, execution

Full-time

Compensation information provided in the description

Full Stack Developer (.NET / C# + React)

Remote

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28d ago

About the Role Our client, a company in the payments/fintech space, is seeking an experienced Full Stack Developer to join their engineering team. You'll build and maintain secure, high-throughput services on a modern .NET + Azure stack, working across the backend and the React front end. This is a fully remote, contract or direct-hire for candidates already based in the U.S and authorized to work. What You'll Do Design, build, and maintain backend services in C# / .NETDevelop responsive, user-f

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Full-time

$80

Sr. Software Engineer (C# .NET/Azure/React/API

Remote

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23d ago

Title: Sr. Software Engineer (C# .NET/Azure, React, APIs, Kafka and Kubernetes) Location: REMOTE Duration: one year with possible extensions Compensation: 70-80/hr Work Requirements: , Holders or Authorized to Work in the US Job Description: Seeing a motivated Software Development professional passionate about NET/Azure development and integrations. You excel at software development and have experience in .NET, specifically C#, React, API, and Eventing. You are optimistic, proactive, analytica

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Third Party, Contract

$65 - $70

Software Engineer III : Golang / C#

Remote

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Today

At Jack Henry, we're more than a technology company, we're a force for good in financial services. We're redefining how community banks and credit unions connect with the people they serve. Our mission is rooted in people inspired innovation, empowering financial institutions to deliver seamless, secure, and human centered experiences. We deliver cutting-edge solutions that are paving the way for the next generation of digital banking and payments, but our true impact begins with our associates.

Full-time

USD 78,400.00 - 123,450.00 per year

Windows Software Engineer C# - C++

Remote or Phoenix, Arizona

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Today

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world

Full-time

Software Engineer (SQL/C#)

Remote or Schenectady, New York

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9d ago

LTI (Logic Technology, Inc.) the "Pro People" company is a privately held technology solutions provider that offers best in class services to local, national and global organizations. Now after three decades, these initials have come to represent more than just our company name. They've also come to represent our hard earned reputation for Leadership, Technology and Integrity. At LTI, we believe confident, motivated employees produce superior work, ensuring our existing client relationships cont

Full-time

Senior Software Engineer - iCloud Messaging Identity Services

San Diego, California

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Today

Ever wondered what turns an iMessage bubble blue? The IDS Server (Messaging Identity) team provides the identity and discovery backend services that power Messages, FaceTime and hundreds of other messaging, sharing, and sync features between Apple devices. We connect billions of devices around the world, and their users, with each other in a secure, reliable, and privacy-protecting way. We are a small team with big impact, tackling a wide breadth of challenges across account and phone number au

Full-time

XR Software Engineer, Senior - Customer Engineering

San Diego, California

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Today

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Applications Engineering General Summary: Qualcomms XR Customer Engineering group is seeking a Solutions Architect to join a world class team developing the next generation of Augmented and Virtual reality (XR) technologies. The solutions architect will support ecosystem partners, including enterprise solutions providers, XR technology partners, and device OEMs in creating innovative solutions using

Full-time

USD 108,300.00 - 185,900.00 per year

#Windows Performance Engineer, Senior

San Diego, California

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Today

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: ** This position is not eligible for Qualcomm immigration sponsorship. ** Qualcomm is looking for an experienced Windows Power/Performance Developer with passion for analyzing and optimizing software running on Windows on Snapdragon. Ideal candidate has background to understand and identify/implement software optimizations across multiple layers of Software, Windows Ope

Full-time

USD 111,300.00 - 166,900.00 per year

XR Software Engineer, Staff - Customer Engineering

San Diego, California

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Today

Company: Qualcomm Innovation Center, Inc. Job Area: Engineering Group, Engineering Group > Software Applications Engineering General Summary: Qualcomms XR Customer Engineering group is seeking a Solutions Architect to join a world class team developing the next generation of Augmented and Virtual reality (XR) technologies. The solutions architect will support ecosystem partners, including enterprise solutions providers, XR technology partners, and device OEMs in creating innovative solutions

Full-time

USD 130,400.00 - 217,600.00 per year

Programmer Engineer - Level III

San Diego, California

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Today

This position requires an ACTIVE DoD security clearance. Applicants who do not currently hold an active clearance will not be considered. At PMAT, we work on mission critical systems that directly support the warfighter, designing, building, and securing modern digital capabilities across cloud, data, and software environments. Our teams tackle complex, real-world challenges where delivery matters more than theory, and innovation is driven by curiosity, collaboration, and purpose. In this role,

Full-time

USD 150,000.00 - 205,000.00 per year

C# jobs in San Diego, CA, USA