Top C# Jobs in San Diego, CA

Reposted 2 Days AgoSaved
In-Office
San Diego, CA
Senior level
Senior level
Professional Services • Consulting • Industrial
Senior .NET developer to deploy ASP.NET applications to Amazon Web Services, build real-time vessel tracking and reporting views, and work with C#, SQL Server, MVC, Windows Communication/Services, and firmware in an Agile environment. 6-month contract-to-hire based in San Diego.
Top Skills: .NetAmazon CloudAsp.NetAsp.Net MvcAWSC#FirmwareSQL ServerWindows Communication (Wcf)Windows Services
Reposted 2 Days AgoSaved
In-Office
San Diego, CA
71K-187K Annually
Senior level
71K-187K Annually
Senior level
Healthtech • Biotech • Pharmaceutical
The role involves maintaining lab automation equipment, supporting workflow in protein therapeutic discovery, and collaborating on automation-driven research workflows.
Top Skills: C#Colony/Pick SystemsElectronic Lab Notebook (Eln)GenedataIntegrated Robotic SystemsJavaJmpLimsLiquid HandlersMicro-DispensersPlate ReadersPostgresPower BIProtein Quantification InstrumentsPythonSpotfireSQLTableau
Reposted 22 Days AgoSaved
Remote or Hybrid
San Diego, CA
141K-229K Annually
Senior level
141K-229K Annually
Senior level
Consumer Web • eCommerce • Machine Learning • Software • Sports • Analytics
Design, build, and operate scalable AWS-based backend services and APIs for the Collectors Vault. Own architecture and delivery, improve performance and reliability, mentor engineers, and leverage modern AI tools to accelerate development and engineering velocity.
Top Skills: APIsAWSC#Claude Code CliCodexEvent-Driven ArchitecturesJavaServerless
Reposted 22 Days AgoSaved
Remote or Hybrid
San Diego, CA
141K-229K Annually
Senior level
141K-229K Annually
Senior level
Consumer Web • eCommerce • Machine Learning • Software • Sports • Analytics
Lead backend and full-stack work on the Payments team, building multi-gateway integrations (Stripe, PayPal), payment APIs, and customer payment UIs. Ensure secure, compliant (PCI-DSS) payment flows, reliability, observability, and scalability across AWS/Kubernetes microservices. Partner cross-functionally to design architecture, implement settlement/reconciliation, and maintain high availability.
Top Skills: .NetAi-Assisted Development ToolsAWSC#DatadogDynamoDBKafkaKubernetesPaypalPci-DssPostgresReactStripeSvelteTypescript
Reposted 4 Days AgoSaved
In-Office
San Diego, CA
211K-297K Annually
Expert/Leader
211K-297K Annually
Expert/Leader
Information Technology • Real Estate • Analytics
The Principal Software Engineer will design and oversee architecture for software systems, collaborate with teams, and ensure robust, secure solutions for debt solutions products.
Top Skills: AWSC#React
Reposted 4 Days AgoSaved
In-Office
San Diego, CA
Junior
Junior
Healthtech • Biotech • Pharmaceutical
Develop scientific software for AI-native drug discovery, building data pipelines, APIs, and lab automation integrations while collaborating with scientists.
Top Skills: AirflowAWSAzureC#DockerGCPGoJavaKubernetesNextflowPrefectPythonSQLTypescript
Reposted 5 Days AgoSaved
In-Office or Remote
San Diego, CA
Mid level
Mid level
Agency • Gaming • Professional Services • Design
Design, implement, and optimize gameplay mechanics and systems. Collaborate with designers, artists, and developers to troubleshoot and refine code, optimize performance across platforms, and maintain clean modular code while staying current with game technologies.
Top Skills: C#C++UnityUnreal Engine
Reposted 6 Days AgoSaved
In-Office
San Diego, CA
141K-229K Annually
Senior level
141K-229K Annually
Senior level
Healthtech • Biotech • Pharmaceutical
Design and develop software for automated laboratory workflows, build data pipelines, implement machine learning models, and integrate various systems to enhance biotherapeutics discovery.
Top Skills: AWSAzureBashC#C++GitGitlabJavaScriptJmpMatlabPower BIPythonRSASSpotfireSQLTableauVBA
7 Days AgoSaved
In-Office
San Diego, CA
160K-220K Annually
Senior level
160K-220K Annually
Senior level
Financial Services
Lead design, development, and modernization of a proprietary Loan Management System. Build and refactor full-stack features, improve scalability, reliability, CI/CD, and observability, troubleshoot production issues, and collaborate with Product, QA, DevOps, and engineering teams while mentoring peers and driving engineering best practices.
Top Skills: .NetAi-Assisted DevelopmentAngularApplication MonitoringAzure Cloud ServicesC#Ci/CdEntity FrameworkEvent-Driven ArchitectureMicroservicesMicrosoft Sql ServerObservabilityReactRest ApisTypescript
7 Days AgoSaved
In-Office
San Diego, CA
150K-180K Annually
Entry level
150K-180K Annually
Entry level
Legal Tech
Design, develop, and maintain integrations, SharePoint Online sites, and AI-driven automation. Build data pipelines (SSIS/SSRS/SQL), Copilot Studio agents, and custom solutions (C#, .NET, PowerShell). Ensure secure Azure-hosted environments, troubleshoot integrations, and collaborate with stakeholders to deliver scalable workflows.
Top Skills: .NetAderant ExpertApplication InsightsAzure AdAzure App ServicesAzure Data FactoryAzure DevopsAzure Logic AppsAzure SqlC#CleanDataverseDell BoomiDynamics 365Imanage WorkIntappLitera CompareMicrosoft 365Microsoft Copilot StudioMicrosoft TeamsPeppermint (Crm)Power AutomatePowershellSharepoint OnlineSQLSQL ServerSsisSsrs
Reposted 8 Days AgoSaved
In-Office
San Diego, CA
Senior level
Senior level
Software • Analytics • Semiconductor
The Sr. Vision Software Engineer will design, test, and integrate machine vision solutions, develop computer vision algorithms, and troubleshoot production issues while collaborating with engineering teams.
Top Skills: .NetC#C++OpencvPythonTensorFlowWpf
4 Minutes AgoSaved
Remote
San Diego, CA
125K-160K Annually
Mid level
125K-160K Annually
Mid level
Fintech
Build, own, and operate cloud-native .NET services powering real-time trading, market data, and brokerage integrations. Ship features end-to-end, write tests, participate in on-call rotations, improve observability, and occasionally contribute to React/TypeScript frontend work.
Top Skills: .NetC#RestSQL
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An Hour AgoSaved
Remote
San Diego, CA
120K-261K Annually
Senior level
120K-261K Annually
Senior level
Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
Design and implement PostgreSQL internals and indexing strategies for large-scale document workloads. Extend query engine with BSON-aware operators and custom scan nodes, optimize index pruning, profile distributed system performance, collaborate with open-source communities, and lead design/code reviews.
Top Skills: AzureAzure Cosmos DbAzure Data FactoryAzure Sql DbAzure Synapse AnalyticsBsonCC#C++Distributed SystemsDocumentdbIndexingJavaJavaScriptLinuxMongoDBNoSQLPostgresPower BIPythonQuery Engine
An Hour AgoSaved
Remote
San Diego, CA
143K-304K Annually
Senior level
143K-304K Annually
Senior level
Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
Design and implement PostgreSQL internals, indexing, query engine extensions, and storage-layer features to support large-scale document workloads on Azure. Profile distributed systems, tune performance, collaborate with open-source communities, conduct design/code reviews, and drive cross-team alignment for mission-critical database features.
Top Skills: AzureAzure Cosmos DbAzure Data FactoryAzure Event GridAzure PostgresqlAzure Service BusAzure Sql DbAzure Synapse AnalyticsBsonCC#C++DocumentdbJavaJavaScriptLinuxMicrosoft FabricMongoDBNoSQLPostgresPower BIPython
An Hour AgoSaved
Remote
San Diego, CA
120K-261K Annually
Senior level
120K-261K Annually
Senior level
Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
Design and implement PostgreSQL internals and indexing/query features for large-scale document workloads, extend query engine with BSON-aware operators and custom scan nodes, tune index pruning and storage, profile distributed systems for performance, collaborate with open-source DocumentDB/PostgreSQL communities, and participate in design/code reviews.
Top Skills: AzureAzure Cosmos DbAzure Data FactoryAzure Event GridAzure PostgresqlAzure Service BusAzure Sql DbAzure Synapse AnalyticsBsonCC#C++DocumentdbJavaJavaScriptLinuxMongoDBPostgresPower BIPython
Reposted An Hour AgoSaved
Remote
San Diego, CA
113K-188K Annually
Mid level
113K-188K Annually
Mid level
Consulting
Design, configure, and develop custom solutions on Microsoft Power Platform and Dynamics 365. Implement full life-cycle D365 deployments, monitor batch jobs and integrations, build BI solutions (SSIS/SSAS/SSRS), and support Microsoft Portals. Work with clients, provide technical leadership, and maintain ERP and CRM integrations using tools like Scribe, Power Automate, C#, SQL, and .NET.
Top Skills: .NetC#Crm PluginsCrm SdkCustomer EngagementDynamics CrmErpField ServiceMarketingMicrosoft Dynamics 365Microsoft PortalsMicrosoft Power AppsMicrosoft Power PlatformPaasPower Automate (Flow)Power BIProject Service AutomationSaaSSalesScribeSQLSsasSsisSsrs
2 Hours AgoSaved
Remote
San Diego, CA
Senior level
Senior level
Software • Automation
Design, architect, and implement cloud-first full-stack software using Java/C# and JavaScript frameworks. Provide technical leadership, mentor engineers, improve architecture and performance, promote CI and automated testing, and support customer implementation and cloud platform operations.
Top Skills: AngularC#CloudContinuous IntegrationJavaJavaScriptNoSQLReactSQLTest AutomationVue
Reposted 2 Hours AgoSaved
Remote
San Diego, CA
145K-176K Annually
Senior level
145K-176K Annually
Senior level
Financial Services
Lead design, development, and deployment of scalable, fault-tolerant cloud-native microservices. Own architecture, mentor engineers, run on-call rotations, triage production incidents, optimize performance, and collaborate with product and stakeholders to deliver full‑stack and mobile solutions.
Top Skills: AngularApi-FirstAWSC#Cloud Native InfrastructureCSSFlutterHTMLJavaJavaScriptKubernetesMicroservicesNative SdkOpentelemetryReact
3 Hours AgoSaved
Remote
San Diego, CA
Senior level
Senior level
Financial Services
Design, build, test, deploy, and maintain responsive web applications and back-end services for mortgage origination, servicing, sales, and operations. Create and optimize RESTful APIs, integrations, databases, and reusable UI components; ensure security, accessibility, performance, and CI/CD-driven delivery while collaborating with stakeholders and participating in Agile processes.
Top Skills: .Net.Net CoreAPIsAutomated TestingAWSAzureC#Ci/CdCSSEncompass LosEvent-Driven MessagingGitHTMLJavaScriptNoSQLRestful ApisTypescriptWeb Services
3 Hours AgoSaved
Remote
San Diego, CA
143K-304K Annually
Expert/Leader
143K-304K Annually
Expert/Leader
Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
Lead and grow an engineering team that designs, builds, and operates hyperscale distributed systems and cloud-native platform services for Azure. Drive technical strategy, architecture, cross-team initiatives, operational excellence, and stakeholder collaboration to deliver scalable, reliable, secure, and observable infrastructure solutions.
Top Skills: AzureC#C++Cloud-Native ServicesDistributed SystemsGoJavaPython
3 Hours AgoSaved
Remote
San Diego, CA
129K-194K Annually
Senior level
129K-194K Annually
Senior level
Healthtech • Biotech
Design, implement, and maintain custom test frameworks for Illumina's primary analysis software. Create and expand automated tests, troubleshoot CI/CD pipelines, investigate failures, collaborate with developers to diagnose root causes, and ensure tests are reproducible, documented, and maintainable as analysis capabilities evolve.
Top Skills: BenchmarkingC#Ci/CdCustom Automation FrameworksPerformance MonitoringProduct Software Lifecycle ToolsPythonPython Data Visualization LibrariesSoftware Release Process Tools
4 Hours AgoSaved
Remote
San Diego, CA
Senior level
Senior level
Fintech • Payments • Financial Services
Design and develop native Sage Intacct payment integrations and AR/AP workflows, implement APIs/SDKs, ensure PCI-compliant secure architectures, troubleshoot integration issues, collaborate with product/support teams, produce documentation, and monitor/optimize integration performance.
Top Skills: .NetAchAzureC#MicroservicesNachaPayment GatewaysPci DssRest ApisSage IntacctSage Intacct Apis/Sdks/Web Services ApiSQL ServerTokenizationVirtual Cards
Reposted 5 Hours AgoSaved
Remote
San Diego, CA
143K-304K Annually
Senior level
143K-304K Annually
Senior level
Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
Lead and grow a software engineering team to design, build, and operate high-performance, scalable, observable networking systems for Azure AI/HPC infrastructure. Drive architecture, reliability, testing, automation, and cross-team collaboration to support large-scale distributed training and inference workloads.
Top Skills: AIAzureCC#C++HpcInfinibandJavaJavaScriptMrcNvlinkPythonRoceUalink
5 Hours AgoSaved
Remote
San Diego, CA
143K-304K Annually
Senior level
143K-304K Annually
Senior level
Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
Lead architecture and design for Azure capacity infrastructure, leveraging AI/Copilot to evolve platforms and tools. Guide virtual teams, define requirements and design documents, drive releases, optimize and refactor code, monitor systems as DRI, and ensure products meet scalability, performance, security, and reliability goals.
Top Skills: AzureCC#C++Cloud InfrastructureCopilotJavaJavaScriptPython
5 Hours AgoSaved
Remote
San Diego, CA
115K-145K Annually
Senior level
115K-145K Annually
Senior level
Consulting
Develop, enhance, test, deploy, and maintain Microsoft Power Platform solutions (Power Apps, Power Pages, Power Automate, Dataverse). Design data models and integrations using Azure services, REST APIs, and custom connectors. Support Agile delivery, testing, migrations, documentation, deployments, security, privacy, and Section 508 accessibility compliance.
Top Skills: .NetAzure FunctionsC#Custom ConnectorsLogic AppsMicrosoft DataversePower AppsPower AutomatePower PagesPower PlatformRest ApisSharepoint OnlineSQL Server
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