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84 net engineer jobs at 53 companies in Fairfield, CA

1mo
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Senior .NET Engineer
Toronto or Canada or San Francisco or New York City or Chicago or Manila
$110k-$150k/yr RemoteFull Time
Derivative Path
Derivative Path: Provides cloud-based software for managing financial derivatives and hedging.
7+ YOE7+ years building production software; strong C# and ASP.NET; React and database experience (Postgres, MS SQL, MongoDB); CI/CD and automated testing; DDD/SOA/microservices experience; mentoring experience; CS degree or equivalent.
C#, ASP.NET, Postgres, MS SQL, MongoDB, React, CI/CD, Docker, Kubernetes, AWS CDK, Terraform, Blazor
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4d
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Senior Full-Stack Developer (.NET/React)
Berkeley, California, United States
OnsiteFull Time
Access Softek
Access Softek: Provides digital banking software for credit unions and banks.
5+ YOE5+ years experience; strong C#, .NET/ASP.NET Core, TypeScript, React; HTML/CSS/SQL/MS SQL; API design, unit/integration testing, CI/CD; experience with legacy and service-based systems.
React, TypeScript, C#, .NET, ASP.NET Core, HTML, CSS, SQL, Microsoft SQL Server, AWS, Docker, Kubernetes, GitHub Copilot, Cursor, JetBrains AI, Claude
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1mo
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Senior Device Engineer - Lifecycle Management
Irvine or Pleasanton
$125k-$237k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
8+ YOE8+ years engineering design experience, 5+ years embedded Windows programming with C#/.NET, medical device/regulatory experience preferred, knowledge of IEC 62304, experience with RS232/SPI/USB and PID control, proficiency with Microsoft Word and Excel.
C#, .NET, .NET Framework, Windows, Windows Embedded, RS232, SPI, USB, IEC 62304, Microsoft Word, Microsoft Excel
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1mo
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Senior Lead Software Engineer - Windows Server Infrastructure
San Francisco, California, United States
$171k-$260k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience, formal training/certification, deep Windows Server/IIS/SQL Server knowledge, expertise in automation, cloud and distributed systems, proficiency with C#, .NET, Ansible, PowerShell, Python, and enterprise integration.
Microsoft Windows Server, Microsoft IIS, Microsoft SQL Server, C#, .NET, Ansible, PowerShell, Python, VMware, Microsoft Hyper-V, KVM, Gremlin
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2mo
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Systems Engineer
Sacramento, California, United States
$95k-$125k/yr HybridFull Time
Grantek
GrantekNYSE: COR: Provides integrated automation and smart manufacturing engineering solutions.
4+ YOEEntry-level to mid-level engineer with hands-on experience in automation tech and strong problem-solving skills.
PLC Programming, SCADA, HMI, Networking, Database, C#, HTML5, NET, SQL, VB, VBA, Microsoft Office
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1w
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Senior Software Engineer, Identity
San Francisco or New York City or Washington
$216k-$270k/yr OnsiteFull Time
Scale AI
Scale AI: Provides data and infrastructure for training artificial intelligence models.
5+ YOE5+ years engineering experience with identity and infrastructure; expertise in IAM, authentication/authorization standards, cloud platforms, and ownership of engineering projects.
OpenFGA, Authzed, Cedar, Topaz, Terraform, Pulumi, OAuth 2.0, OIDC, SAML, JWT, EntraID, Okta, AWS, Java, Python, Node.js, .NET
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1mo
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Sr .Net Full Stack Lead (.Net/Azure/React)
San Francisco, California, United States
$95k-$151k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
12+ YOE12+ years experience building scalable enterprise applications; strong leadership; expertise in Microsoft Azure, C#/ .NET, React, SQL; experience with DevSecOps, Agile/SAFe and managing onshore/offshore teams.
Microsoft Azure, C#.NET, C#, ADF, Python, Snowflake, Oracle, MSSQL, Microsoft Power BI, .NET Core, Entity Framework, React, Bootstrap, CSS, TypeScript, JavaScript, REST APIs, SQL, Azure App Services, Azure Functions, Logic Apps, Storage, Microsoft Active Directory, ADO, DevSecOps, JIRA, SAFe
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1mo
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Software Engineer
Sacramento, California, United States
OnsiteFull Time
SBM Management Services
SBM Management Services: Provider of commercial facility maintenance and janitorial services.
3+ YOEBackend software development experience; 3-8 years for software engineers; Python, Django, SQL, Postgres; AWS and DevOps practices; .NET experience for associate roles.
Python, Django, SQL, PostgreSQL, AWS, DevOps, .NET
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2mo
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Software Engineer II
Benicia, California, United States
$108k-$149k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
2+ YOEBachelor's in related field, 2+ years experience, proficiency in C/C++, .Net, C#, Python and operating systems; strong software engineering, debugging, and communication skills.
C/C++, .Net, C#, Python, Operating Systems
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2mo
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Quality Engineer
San Francisco or Oakland
$105k-$130k/yr HybridFull Time
Workers' Compensation Insurance Rating Bureau of California
Workers' Compensation Insurance Rating Bureau of California: Collects and analyzes California workers' compensation insurance data.
5+ YOEBachelor's in CS/engineering required, 5+ years in software quality engineering, strong .NET/C# and Visual Studio experience, automated testing with Playwright/Cypress/Selenium, API testing, Azure DevOps, CI/CD, SQL, unit test frameworks, and strong communication skills.
Playwright, Cypress, Selenium, .NET, C#, Visual Studio, SoapUI, Postman, Fiddler, Azure DevOps, Azure, NUnit, XUnit, MSTest, PowerShell, Splunk, SQL
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3mo
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Software Engineer
San Francisco, California, United States
$140k-$225k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
5+ YOE5+ years backend software engineering; 1+ year frontend; cloud-native microservices; SQL/NoSQL; Microsoft stack (C#, .NET); Azure or AWS; MVC/angular/javascript; Windows services; UI with React/Typescript.
C#, Java, C++, .NET, ASP.NET, Azure, AWS, MVC, Angular, JavaScript, TypeScript, React, SQL, Cosmos DB, Windows Services, Microservices
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6d
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Software Engineer Support - SOC Security Information Management
Rancho Cordova or Sacramento or Vacaville or San Jose
OnsiteFull Time
Anvaya Solutions
Anvaya Solutions: Provides cybersecurity consulting and information security assessment services.
5+ YOE5+ Mgmt5+ years cloud and software engineering experience (.Net/.Net Core), database and analytics, REST/SOAP APIs, SQL/KQL, GIT, cloud security, automated testing, and SIEM/SOAR training.
.Net, .Net Core, REST, SOAP, SQL, Kusto Query Language (KQL), GIT, GitHub, Azure DevOps, GitHub Actions, Docker, SIEM, SOAR
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3mo
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Software Engineer
Atlanta or Denver or New York or Albany or Baltimore or Boston or Greenville or Charleston or Columbia or Winston-Salem or Greensboro or Raleigh or Charlotte or Durham or Charlottesville or McLean or Houston or Huntsville or San Francisco or Walnut Creek or Irvine or San Diego or Glendale or Sunnyvale or Reno or Las Vegas or Nashville or Tucson or Phoenix or Washington or Wilmington
$72k-$121k/yr RemoteFull Time
Womble Bond Dickinson
Womble Bond Dickinson: Transatlantic law firm providing comprehensive legal services to businesses.
5+ YOE5+ years data engineering with Microsoft technologies; strong C#, .NET, Blazor, React, TypeScript; SQL Server/T-SQL; Azure Data Factory, Microsoft Fabric, Delta Lake; production AI/RAG experience; Git and Azure DevOps.
C#, .NET, Blazor, React, TypeScript, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Dataverse, Azure Data Factory, Microsoft Fabric, Delta Lake, Dataflow Gen2, Azure SQL, Azure Synapse, SQL Server, T-SQL, SSRS, SSAS, Boomi, Azure AI Foundry, Microsoft Agent Framework, Copilot Studio, Microsoft Copilot, Microsoft Teams, Microsoft Office add-ins, Git, Azure DevOps
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3w
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Sr Engineer
Pleasanton, California, United States
$156k-$196k/yr HybridFull Time
BlackLine
BlackLineNASDAQ: BL: Provides cloud software to automate financial close and accounting.
3+ YOEMaster's in CS/Math (or BS+experience); 3+ years building SaaS/web apps and RESTful APIs; strong CS fundamentals; experience with C#, .NET/.NET Core, SQL/PostgreSQL, distributed systems, Docker/Kubernetes, cloud (Azure/GCP), and messaging platforms.
C#, .NET, .NET Core, HTML, JavaScript, CSS, JavaScript Frameworks, SQL, PostgreSQL, NoSQL, Docker, Kubernetes, Kafka, SQS, RabbitMQ, Azure, ASW, GCP
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2mo
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Developer Advocate
San Francisco, California, United States
RemoteFull Time
Diagrid
Diagrid: Develops APIs and tools for building distributed cloud-native applications.
5+ YOE5+ years software engineering; experience in developer relations/community; strong knowledge of distributed systems, cloud-native tech, Kubernetes; proficient in Python/Go/TypeScript/.NET; based in SF Bay Area.
Python, Go, TypeScript, .NET, Kubernetes, Docker, Git
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3w
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Software Engineer 3
Sacramento, California, United States
$144k-$183k/yr HybridFull Time
Berkshire Hathaway Homestate Companies
Berkshire Hathaway Homestate CompaniesNYSE: BRK.B: Provides commercial property, casualty, and workers' compensation insurance.
8+ YOEMinimum 8 years software engineering experience with C#/.NET and React; strong cloud/on‑prem/hybrid experience, CI/CD, IaC, containerization (Docker, Kubernetes), Agile, Jira, Git; bachelor's degree preferred; must be authorized to work in the US without sponsorship.
C#, .NET, React, Vue.js, Docker, Kubernetes, CI/CD, Infrastructure as Code (IaC), Terraform, Ansible, Jira, Git, Microsoft SQL Server, MongoDB, Microsoft Azure, AWS
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3mo
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Software Engineer II, Marketplace Middleware Engineering
Denver or New York City or San Francisco
$152k-$180k/yr HybridFull Time
Forge Global
Forge GlobalNYSE: FRGE: Marketplace for trading private shares and pre-IPO stock.
8+ YOE8+ years software engineering experience; API design with C#/.NET; event-driven systems; CQRS/Event Sourcing; SQL databases; fintech familiarity.
C#, .NET, Kafka, RabbitMQ, SQL, Relational Databases
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3w
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Senior Software Engineer, Back-End (Payments)
United States or Santa Ana or San Francisco or Oakland or Berkeley or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
Collectors
Collectors: Providing authentication and grading services for high-value collectibles.
6+ YOE6+ years engineering experience, deep C#/.NET backend skills, frontend experience with React/Svelte/TypeScript, payments/gateway and distributed-systems experience, observability and security mindset.
Stripe, PayPal, C#, .NET, React, Svelte, TypeScript, PostgreSQL, DynamoDB, Kafka, Kubernetes, AWS, Datadog
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1mo
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Senior Security Software Engineer, IAM
San Mateo, California, United States
$269k-$326k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
4+ YOE4+ years building scalable distributed backend systems; proficiency in Python, Java, Go, C++, or C# .NET; AI/LLM fluency; experience with IAM, OPA/Topaz/SPIFFE/SPIRE, PKI, PAM, REST APIs, and containerized microservices.
Python, Java, Go, C++, C# .NET, REST APIs, OPA, Topaz, SPIFFE, SPIRE, PKI, PAM, LLM
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3mo
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Instrument Control Software Engineer
Emeryville, California, United States
$147k-$178k/yr OnsiteFull Time
Ansa Biotechnologies
Ansa Biotechnologies: Manufactures custom synthetic DNA using enzymatic synthesis technology
5+ YOE5–8+ years in software engineering developing instrument control software for hardware; proficient in C#, .NET, with WPF experience; strong hardware integration and full software lifecycle experience.
C#, WPF, .NET, RS232, RS485, CAN, EF Core, SQL, OpenCV, C, C++, STM32
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