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Westminster • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Westminster • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Westminster • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Westminster • 50 milesRemote · Hybrid · Onsite · Field · All Environments

156 dotnet developer jobs at 80 companies in Westminster, CA

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2mo

CRM Developer

Long Beach, California, United States

$106k-$154k/yr OnsiteFull Time

SCAN Health Plan

SCAN Health Plan: Providing Medicare Advantage plans and integrated healthcare for seniors.

5+ YOEDesign, develop, configure, and support Microsoft Dynamics 365 CRM; integrate with enterprise apps; implement AI/ML capabilities; ensure HIPAA compliance.

Microsoft Dynamics 365, C#, .NET, Power Platform, Azure, REST, SOAP, Azure Functions, Logic Apps, Service Bus, API Management, Power Apps, Power Automate, Power Pages, JavaScript, Plugins

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1mo

Senior Salesforce Developer

Jacksonville or Dallas or Cincinnati or Los Angeles or Sacramento or Richmond or Minneapolis or Boston or Kansas City or Chicago or Tampa or Washington or San Antonio or Houston or Colorado Springs or Nashville or San Diego or Pittsburgh or Tacoma or New York or Phoenix or Miami or Fayetteville

HybridFull Time

Wounded Warrior Project

Wounded Warrior Project: Provides support services and mental health programs for veterans.

7+ YOE7+ years designing and implementing Salesforce solutions; 5+ years with Apex, LWC, Visualforce and integrations; Salesforce Platform Developer II required; Bachelor’s in CS/IS/software engineering or equivalent.

Salesforce CRM (Sales and Service Cloud), Force.com, Visualforce, Apex, Lightning Web Components, Cascading Style Sheets (CSS), HTML, Java, .NET, Data Loader, AppExchange, React, React Native, SQL

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Software Developer II

Brea, California, United States

$31-$35/hr RemoteFull Time

HdL Companies

HdL Companies: Provide revenue management and software solutions for local governments.

5+ YOEBachelors in Computer Science or related, 5+ years developing and testing code, experience with .Net C#, Visual Basic, RDBMS/SQL, MVC, AngularJS, Crystal Reports, GIS, APIs, Microsoft Internet Information Server, and debugging tools.

.Net, C#, Visual Basic, RDBMS/SQL, MVC, AngularJS, Crystal Reports, GIS, APIs, Microsoft Internet Information Server, source debuggers, visual development environments

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4w

Senior Software Engineer

Lake Forest or Houston or Philadelphia

$124k-$207k/yr HybridFull Time

AVEVA

AVEVA: Industrial software for engineering and operational performance management.

Strong software development in C# (.NET) or Node.js; hands-on Microsoft Azure cloud experience; CI/CD, DevOps, container experience; knowledge of cloud architecture, networking, and secure development practices.

Microsoft Azure, C#, .NET, Node.js, CI/CD

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LoopNet - Lead Software Engineer

Irvine or Orange County

$144k-$222k/yr HybridFull Time

CoStar Group

CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.

9+ YOEBachelor's degree required; 9+ years production C#/.Net development; experience with TypeScript front-ends (Vue/React/Angular), AWS services (S3, SQS, Dynamo, ElastiCache), Kafka, Datadog, SQL and database development; unit-testable development and mentoring experience.

C#, .Net, .Net Core, TypeScript, Vue, React, Angular, AWS S3, SQS, Dynamo, ElastiCache, Apache Kafka, Datadog, Claude Code, GitHub Copilot, MS SQL, MySQL, Git, SQL

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Illustrations Applications Developer

Newport Beach, California, United States

$103k-$126k/yr OnsiteFull Time

Pacific Life

Pacific Life: Provides life insurance, annuities, and investment products for financial security.

2+ YOE2+ years application development experience; bachelor\u0002s degree or equivalent; strong skills in .NET, VB.NET, C#, JavaScript, HTML, CSS, SQL and Microsoft Excel; knowledge of life insurance/annuity products preferred.

Microsoft Excel, .NET, VB.NET, C#, JavaScript, HTML, CSS, jQuery UI, Bootstrap, SQL

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Full Stack Developer

Chino or United States

OnsiteFull Time

Harrington Process Solutions

Harrington Process Solutions: Distributes and fabricates industrial fluid process and flow control products.

6+ YOE6+ years full stack development with C#, .NET Core, ASP.NET Core, SQL Server and JavaScript; experience with React/Angular/Vue, Azure, Docker, CI/CD, Git, EMR not required; Bachelor's or equivalent.

C#, .NET Core, ASP.NET Core, REST APIs, HTML, CSS, JavaScript, React, Angular, Vue.js, SQL Server, Entity Framework Core, ColdFusion (CFML), Microsoft Azure, Docker, CI/CD, Git, LLM

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SOFTWARE DEVELOPER (.NET/C#)

Norco, California, United States

$95k-$150k/yr OnsiteFull Time

VSolvit

VSolvit: Providing technology services and data solutions for government agencies.

3+ YOEOn-site Norco role requiring 3+ years software development experience with C#/.NET desktop applications, OOP, multi-threading/TPL, Git, strong communication, U.S. citizenship, and ability to obtain a U.S. government security clearance.

C#, .NET, Delphi, Unity, Git, Jira, Confluence, Avalonia UI, WPF, WinUI, MAUI, Task Parallel Library (TPL), SAFe, Scrum

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Software Engineer / Principal Software Engineer (AHT)

Manhattan Beach, California, United States

$92k-$138k/yr OnsiteFull Time

Northrop Grumman

Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.

2+ YOEUS citizen with DoD Top Secret clearance; Bachelor's in STEM (or Master's) with relevant experience; proficiency in C#/Java, CI/CD (Bamboo, Jenkins), scripting (YAML, Python, PowerShell), Windows technologies, and automated test development.

Bamboo, Jenkins, C#, Java, Microsoft Windows, YAML, Python, PowerShell, Batch, TypeScript, TestComplete 4, BitBucket, git, CVS, Microsoft .NET Framework, Windows Presentation Foundation (WPF), SQL, Jira, Confluence, Crucible, Fish-eye, Azure, AWS, Docker, Kubernetes, Ansible, Terraform, Chef, Puppet, DOORS, JMPS Framework, gRPC, REST

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Senior Developer (IBM Sterling B2B Integrator) (REMOTE)

Glenview or Pittsburgh or Los Angeles County

$90k-$121k/yr RemoteFull Time

Wesco

WescoNYSE: WCC: Distributes electrical and industrial products and supply chain solutions.

5+ YOE5+ years development experience in enterprise environments; experience with IBM Sterling B2B Integrator, .NET (C#), Java, JavaScript, SDLC and Agile; strong communication, troubleshooting, and documentation skills.

.NET, C#, Java, JavaScript, IBM Sterling B2B Integrator

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Senior Software Engineer

Ontario, California, United States

$115k-$140k/yr RemoteFull Time

PAR Technology

PAR TechnologyNYSE: PAR: Provides unified software and hardware for restaurant operations.

6+ YOE6+ years development experience with C# and .NET, strong database and cloud experience, debugging and mentoring skills, experience with highly available web applications and AI coding assistants.

C#, .NET, Brink Point-of-Sale, Microsoft Teams, AI coding assistants

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Full Stack Developer

Norco, California, United States

$90k-$190k/yr OnsiteFull Time

CACI International

CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.

5+ YOEBachelor's degree or equivalent, 5+ years software development experience, proficiency in Java/C#/Python/JavaScript/HTML/CSS, React/Angular, Node.js/.NET, cloud platforms, Microsoft SQL Server, Git; CompTIA Security+ and ability to obtain DoD SECRET; U.S. citizenship; onsite in Norco, CA.

Java, C#, Python, JavaScript, HTML, CSS, React, Angular, Node.js, .NET, AWS, Azure, Google Cloud, Microsoft SQL Server, Git, Docker, Kubernetes, CI/CD

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Software Engineer - AI

Irvine, California, United States

$99k-$158k/yr HybridFull Time

Ingram Micro

Ingram MicroNYSE: INGM: Distributes information technology products and provides supply chain solutions.

3+ YOEBachelor's degree and 3+ years experience. Strong Python required; proficiency in Java or .NET (C#). Experience with LLMs, agent development, RAG, vector databases, cloud platforms, data processing, and APIs.

Python, Java, .NET, C#, Agent Development Kit (ADK), LangChain, NumPy, Pandas, Scikit-learn, NLTK, SpaCy, PostgreSQL, pgvector, Pinecone, Weaviate, ChromaDB, Google Cloud Platform (GCP), Amazon Web Services (AWS), Microsoft Azure (Azure), ReactJS, OpenAI, Google DeepMind, Anthropic, MCP (Model Context Protocol), LangGraph, CrewAI, Semantic Kernel, AutoGen, Docker, Kubernetes, REST APIs, JSON, XML, CI/CD

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Senior Full Stack Developer

Calabasas, California, United States

$120k-$145k/yr OnsiteFull Time

AmaWaterways

AmaWaterways: Provides luxury river cruise vacations on international waterways.

5+ YOE5+ years software development experience or bachelor's degree; strong ASP.NET (C# or VB.NET), MVC, SQL, web technologies, cloud/DevOps (Azure), CI/CD, secure coding, and CompTIA Security+ required.

ASP.NET, Model-View-Controller (MVC), C#, VB.NET, Microsoft Visual Studio, Azure DevOps, Team Foundation Server, Git, GitHub Actions, SQL Server, Oracle, JavaScript, jQuery, Ajax, HTML, DHTML, CSS, XML, XSL, JSON, SOAP, LDAP, Telerik, Microsoft Internet Information Services (IIS), Microsoft Azure, ARM templates, Bicep, Terraform

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3mo

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3mo

Application Software Engineer

Hawthorne, California, United States

$125k-$175k/yr OnsiteFull Time

SpaceX

SpaceX: Designs and launches advanced rockets and satellite internet constellations.

1+ YOEBachelor's or 2+ years software experience; 1+ years full-stack development; strong programming in multiple languages.

Python, C#.NET, Go, Scala, Java, UNIX, Terraform, Ansible, Puppet, Docker, Kubernetes, Apache Kafka, RabbitMQ, ActiveMQ, React, Angular, PostgreSQL, SQL Server, Make, Bazel, Pants, Buck, Gradle, pip, npm

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Software Engineer, Lead

Long Beach, California, United States

$142k-$189k/yr OnsiteFull Time

Rocket Lab

Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.

5+ YOE5+ years software development; proven team leadership; full-stack skills; experience with REST APIs and SQL.

HTML/CSS, TypeScript, Angular, React, Vue, SQL, REST APIs, NodeJS, C#/.Net, Linux

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Lead Software Engineer

Los Angeles, California, United States

$160k-$180k/yr HybridFull Time

AXS

AXS: Provides digital ticketing and marketing solutions for live events.

7+ YOE7+ years software development experience with technical lead responsibilities; BS in CS or related; strong front-end expertise (JavaScript/TypeScript, React), full-stack experience, distributed systems, DB familiarity, and excellent communication.

JavaScript, TypeScript, React, C#/.NET, Node.js, Python, Go, Microsoft SQL Server, Oracle, MySQL, PostgreSQL, AWS, GCP, Azure, Docker, Kubernetes, Git, CI/CD, Kafka, TDD, BDD, Elasticsearch, AWS DynamoDB

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3mo

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3mo

Software Engineer II (AI Focus)

Anaheim, California, United States

$145k-$165k/yr OnsiteFull Time

Parsec Automation

Parsec Automation: Provides software to manage and optimize manufacturing operations.

3+ YOE3–5+ years software development; .NET (C#, ASP.NET); SQL Server; API design; on-prem enterprise software; AI feature development.

ASP.NET, .NET, SQL Server, REST, JSON, Azure OpenAI, OpenAI, Anthropic, Semantic Kernel

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2w

Software Engineer / Principal Software Engineer (TS Clearance) (AHT)

Manhattan Beach, California, United States

$92k-$138k/yr OnsiteFull Time

Northrop Grumman

Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.

2+ YOEUS citizen with adjudicated Top Secret clearance, STEM degree (or equivalent experience), 2+ years software experience, proficiency in C#/Java, Agile and CI/CD (Bamboo/Jenkins), scripting (yaml, Python, PowerShell), and test procedure development.

Bamboo, Jenkins, C#, Java, Microsoft Windows, yaml, Python, PowerShell, Batch, Typescript, TestComplete, BitBucket, git, CVS, .NET Framework, WPF, gRPC, REST, SQL, Jira, Confluence, Docker, Kubernetes, Ansible, Terraform, Chef, Puppet, Azure, AWS, DOORS, JMPS

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LoopNet - Senior Software Engineer

Irvine, California, United States

$124k-$187k/yr HybridFull Time

CoStar Group

CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.

7+ YOE7+ years production C#/.NET development, bachelor's degree, experience building APIs/backends, testing, cloud (AWS) experience, mentoring, and familiarity with AI coding tools.

C#, .NET, .NET Core, Claude Code, GitHub Copilot, Vue.js, React, TypeScript, Microsoft SQL, MySQL, AWS S3, SQS, DynamoDB, ElastiCache, Apache Kafka, Datadog, Docker, Kubernetes, CI/CD, BigQuery, Databricks, Snowflake, Python

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