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68 dotnet engineer jobs at 46 companies in Petaluma, CA

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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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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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3w
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Senior Solutions Engineer - West
San Francisco or California or Colorado or Connecticut or Nevada or New York or Rhode Island or Washington or United States or North America
$128k-$165k/yr HybridFull Time
OneTrust
OneTrust: Software platform for data privacy, security, and compliance governance.
8+ YOEBA/BS in CS or equivalent; 8+ years relevant enterprise cloud/software experience; expertise in demos, integrations, REST APIs, JavaScript, FreeMarker, HTML, CSS; Powershell/ASP.NET/C# a plus; Kubernetes/Docker/OpenShift preferred; Salesforce.com CRM; willingness to travel (~25%).
REST APIs, JavaScript, FreeMarker, HTML, CSS, Powershell, ASP.NET, C#, Kubernetes, Docker, OpenShift, Salesforce.com CRM
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1mo
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Lab Robotics Engineer
San Francisco, California, United States
$175k-$235k/yr OnsiteFull Time
Plasmidsaurus
Plasmidsaurus: Provides fast DNA and RNA sequencing services for scientists.
3+ YOE3+ years Python experience, 1+ years lab and liquid-handling automation experience, familiarity with molecular biology protocols; experience with Docker/Ansible, cloud (AWS)/Terraform, Raspberry Pi/Arduino, Linux, and QA/monitoring systems.
Python, Flask, Django, Raspberry Pi, Arduino, OpenTrons, Hamilton, Docker, Ansible, AWS, Terraform, Linux, Fusion 360, OpenCV, C#, .NET
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1d
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Controls Software Engineer
Berkeley, California, United States
$157k-$192k/yr OnsiteFull Time
Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory: Conducts multidisciplinary scientific research for the U.S. Department of Energy.
8+ YOE8+ years experience (B.S.) or 6+ with M.S.; expertise with EPICS and control systems, SQL, Angular, .NET, C#, JavaScript/TypeScript, Python, Linux; technical leadership and system architecture skills.
EPICS, SQL, Angular, .NET, C#, JavaScript, TypeScript, Python, C/C++, Linux, TCP/IP, TANGO Controls
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3w
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Senior Software Engineer - New Revenue
San Francisco or Seattle
$158k-$266k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
8+ YOEB.S./M.S. in Computer Science or similar; 8+ years full‑stack experience (React, TypeScript, C#, Java); 4+ years designing backend APIs (REST, GraphQL); 3+ years CI/CD (Jenkins, GitHub Actions); experience with Azure/AWS, SQL and NoSQL.
JavaScript, TypeScript, React, C#, Java, REST, GraphQL, CI/CD, Jenkins, GitHub Actions, Microsoft Azure, AWS, Azure SQL Database, Microsoft SQL Server, Cosmos DB, Git, Microsoft .NET, Microsoft ASP.NET
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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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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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2mo
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Software Engineer
Fairfield, California, United States
OnsiteContract
ISHIR
ISHIR: Provides custom software development and enterprise AI services.
7+ YOEContract Software Engineer with 7-10 years of experience in ASP.NET, C#, .NET, jQuery/React, PostgreSQL, REST APIs, MVVM; on-site in Fairfield, CA; 4-6 month contract.
ASP.NET, C#, DOTNET, jQuery, React, SQL, PostgreSQL, REST APIs, MVVM
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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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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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3w
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Senior Quality Engineer
Budapest or Berlin or Paris or San Francisco or Singapore
HybridFull Time
greehill
greehill: Provides digital twin technology for urban forest management.
Strong software engineering background, experience building test automation frameworks, familiarity with Playwright/Cypress/Selenium, static code analysis, API and web testing, CI/CD integration, and mentoring developers.
Playwright, Cypress, Selenium, TypeScript, NodeJS, React, .NET, GitHub Actions, Azure DevOps, Docker, CI/CD
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1d
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Engineer
San Ramon, California, United States
$100k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE8+ years .NET development experience with strong C# and OOP, SQL/T-SQL, Entity Framework, ADO.NET, WCF, WinForms; Agile experience and bachelor's in computer science required.
.NET 4.5, .NET Core, C#, Entity Framework, ADO.NET, LINQ, Task Parallel Library (TPL), WinForms, T-SQL, WCF, React, Web API, Microsoft Azure, Snowflake
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4w
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Software Engineer 3
Walnut Creek, California, United States
$168k-$207k/yr HybridFull Time
Berkshire Hathaway Homestate Companies
Berkshire Hathaway Homestate CompaniesNYSE: BRK.B: Provides commercial property, casualty, and workers' compensation insurance.
8+ YOEMust be legally authorized to work in the U.S. Minimum 8 years software engineering experience with C# and .NET, cloud/on-prem/hybrid expertise, DevOps/CI-CD, Docker/Kubernetes, and experience leading projects; bachelor's degree preferred.
C#, Microsoft .NET, React, Angular, Vue.js, Docker, Kubernetes, Jira, Git, Microsoft SQL Server, MongoDB, Terraform, Ansible, Azure, AWS, CI/CD, Infrastructure as Code (IaC)
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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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Sr. Software Engineer, Backend
San Francisco or Phoenix
$173k-$205k/yr HybridFull Time
Prosper
Prosper: Peer-to-peer lending marketplace for personal loans and credit.
6+ YOE6+ years backend engineering experience (MS+6 or BS+8), deep Java/Kotlin and Spring Boot expertise, distributed microservices, REST/GraphQL, GCP experience, strong testing and collaboration skills.
Java, Kotlin, Spring Boot, .NET, GCP, GCP Pub/Sub, Firestore, Spanner, Cloud Functions, REST, GraphQL, CI/CD, Cursor, Copilot, Udemy, Beneplace
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4w
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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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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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4w
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In-Fab Wafer Test Engineer
Santa Rosa, California, United States
$93k-$155k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
2+ YOEBachelor's in Electrical Engineering (or equivalent) with 2+ years testing/troubleshooting RF, analog, and digital circuits; microwave and semiconductor device knowledge; experience with electrical test instrumentation; strong communication and problem-solving skills.
C#, .NET, Visual Studio, SPECS Test Framework
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1w
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Software Engineer ||
Santa Clara or San Jose or Fremont or Mountain View or Newark or Fairfield
$124k-$171k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Produces equipment and services for chip and display manufacturing.
2+ YOEBachelor's degree in related field, 2+ years' related experience, proficiency in C/C++, .Net, C#, operating systems, networking, algorithms, multithreading; strong communication and critical thinking.
C/C++, .Net, C#, Operating Systems, Networking, Algorithms, Multi-threading
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