586 csharp jobs at 202 companies in Benicia, CA

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Software Development Engineer, AWS HealthOmics
Mountain View, California, United States
$165k-$224k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOE3+ years of software development, design/architecture experience, OO design, proficiency in C#/C++/Java/Perl, bachelor’s in CS/engineering/math.
C#, C++, Java, Perl
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Principal Engineer - Cloud
Scottsdale or Chicago or San Francisco or New York City
$173k-$242k/yr HybridFull Time
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
15+ YOEBachelor's in CS or related (or equivalent experience), ~15 years cloud/infrastructure experience with 5+ years designing and operating AWS solutions, deep Kubernetes and Terraform expertise, security/compliance experience, background and drug screen required, must be authorized to work in the U.S.
EC2, Lambda, S3, RDS, EKS, IAM, VPC, KMS, Terraform, Kubernetes, Linux, Prometheus, Grafana, ELK Stack, Splunk, AppDynamics, Python, Java, C#, Ruby, Shell
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Principal Security Software Engineer, Application Security
San Mateo, California, United States
$326k-$385k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
8+ YOE8+ years in cybersecurity with a focus on application security, cryptography, and secure SDLC; ability to influence senior engineers and lead security initiatives.
Python, Golang, C#, Bash
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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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Software Engineer - Sr Consultant level
Foster City, California, United States
$169k-$271k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
8+ YOE8+ years software engineering; AI/ML and cloud experience; API/microservices; distributed systems; collaboration across teams.
Java, C++, C#, React, Angular, Kubernetes, Docker, AWS, Azure, GCP, LLMs, AI agent frameworks, GitHub Copilot, APIs, Microservices, Distributed systems, Payment platforms
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EY-Parthenon - Strategy & Execution - Deal Technology - Health - Enterprise Architect - Director (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Hoboken or Los Angeles or McLean or New York or San Francisco
$205k-$235k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
5+ YOEDirector-level IT strategy and healthcare deal technology expert with enterprise architecture, cost optimization, digital transformation, and AI-enabled growth experience.
Epic, Cerner, Cloverleaf, Mirth Connect, Boomi, Java, C#, Python, Snowflake, Databricks, Azure Synapse Analytics, Azure Databricks, Fabric, LAN/WLAN, Zero Trust Security, SD-WAN, Azure AD, EntraID, MFA, PAM/IAM
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Sr Engineer, Automation Applications/Surgical Robotics - OTTAVA
Santa Clara, California, United States
$109k-$154k/yr OnsiteFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Global healthcare providing pharmaceuticals and medical technologies.
5+ YOEBachelor's in engineering, 5+ years delivering industrial automation/robotics in manufacturing; hands-on robot and PLC integration, industrial networking (Ethernet/IP, OPC UA, MQTT), machine safety, systems engineering, sensors/vision, debugging, digital engineering and vendor management.
ABB, KUKA, UR, Mecademic, Rockwell/Allen-Bradley, Beckhoff, Ethernet/IP, OPC UA, MQTT, REST APIs, MES, Python, C#, structured text
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Cloud Solution Architect - Cloud & AI Applications
United States or San Francisco or New York City
$86k-$170k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
2+ YOEBachelor's degree or equivalent experience and 2+ years in cloud/infrastructure or related roles; US work authorization required; proficiency with Microsoft Azure AI Foundry, AKS, App Service, APIM, GitHub; customer-facing and technical delivery experience preferred.
Microsoft Azure AI Foundry, AKS, Microsoft App Service, APIM, GitHub, C#, Python, .NET
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Senior Robotics Systems Engineer
San Francisco, California, United States
$176k-$242k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
7+ YOE7+ years software development, strong programming in Python/C++/Java/C#, robotics system-level ownership, knowledge of state estimation/localization/planning/controls, strong diagnostics and field deployment experience.
Python, C++, Java, C#, Linux, Git, CI/CD, CAN
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Principal Software Engineer
Santa Clara, California, United States
$114k-$196k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
15+ YOE15+ years software engineering experience developing automated process and test systems; skilled in C#, C, C++; familiarity with motion control, machine vision, and optical communications; able to support production and travel occasionally.
C#, C, C++
2w
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Senior Software and AI Engineer
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$182k-$242k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
3+ YOE3+ years professional programming; full‑stack development with React/TypeScript and backend services in Node.js or Go; experience with GenAI/LLM frameworks (LangChain, ChatGPT API, Glean API); cloud, Kubernetes, and CI/CD familiarity.
Workato, LangChain, LangGraph, ChatGPT agentflow, ChatGPT API, OpenAI API, Gemini agent flow, Glean API, React, TypeScript, Node.js, Go, Python, C++, C#, Java, FastAPI, gRPC, Next, Cursor, Claude, Copilot, ChatGPT Codex, Ray, Kafka, Spark, Kubernetes, AWS, Azure, GCP, Workato, Boomi, ERP, HRIS, DCIM, Data Warehouse
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Software Engineer ||
Santa Clara or San Jose or Mountain View or Fremont or Newark or Fairfield
$124k-$171k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
2+ YOEBachelor's degree required, 2+ years related experience, proficiency in C/C++, .Net, C#, and strong skills in algorithms, multi-threading, networking and software troubleshooting.
C/C++, .Net, C#
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Lead Engineer
San Mateo, California, United States
$207k-$258k/yr HybridFull Time
Xero
XeroASX: XRO: Cloud-based accounting software for small businesses and advisors.
Experienced backend engineer with strong OOP and system-design skills, expertise building distributed high-throughput APIs, on-call/operational maturity, CI/CD-driven releases, and payments/fintech experience preferred.
C#, Java, Go
3mo
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Wireless Systems Validation Engineer
Irvine or San Diego or Sunnyvale
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Bachelor’s degree; strong wireless knowledge (WiFi; cellular a plus); programming in Python, Shell, C++, or C#.
Python, Shell, C++, C#, RF test equipment, signal generators, spectrum analyzers, emissions testing tools
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Software Engineer I
San Ramon, California, United States
$68k-$102k/yr RemoteFull Time
Robert Half
Robert HalfNYSE: RHI: Provides specialized staffing and global business consulting services.
1+ YOEBachelor's degree or 2+ years in related IT; 1+ years in programming; SDLC knowledge; RESTful APIs; AI tools familiarity; strong communication.
C#, Java, JavaScript, SQL, Azure OpenAI, AWS Bedrock, Google Vertex AI, RESTful API
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Senior Staff, Software Engineer
Palo Alto or United States
$185k-$260k/yr HybridFull Time
DELFI Diagnostics
DELFI Diagnostics: Developing blood-based tests for early cancer detection.
10+ YOESenior-level software engineer with cloud, Python and a compiled language, life sciences exposure, and leadership experience.
Python, Rust, Java, C++, C#, AWS, Jira, Git, CI/CD
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Senior Software Engineer (Tech Lead), Marketplace Middleware Engineering
New York City or Denver or San Francisco
$209k-$240k/yr HybridFull Time
Forge Global
Forge GlobalNYSE: FRGE: Marketplace for trading private shares and pre-IPO stock.
8+ YOE8+ years software engineering, technical lead experience, API design with C#/.NET, event-driven systems, SQL databases, fintech domain knowledge.
C#, .NET, Kafka, RabbitMQ, Event Sourcing, CQRS, SQL, Relational Databases, Marten, CI/CD
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Senior Software & AI Engineer
Sunnyvale, California, United States
$110k-$190k/yr OnsiteFull Time
Covalent
Covalent: Provides advanced analytical laboratory services for materials characterization.
10+ YOE10+ years building production software; strong multi-language skills; hands-on DL/AI in products; cloud infrastructure experience; ownership and delivery responsibility.
C# .NET, Python, Java, C++, Go, AWS, GCP, serverless, SQL, NoSQL
1mo
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Senior Software Engineer, Autonomous Lab
Boston or Emeryville or West Sacramento
$134k-$190k/yr HybridFull Time
Ginkgo Bioworks
Ginkgo BioworksNYSE: DNA: Designs custom microorganisms and cells for industrial manufacturing.
5+ YOE5+ years software development experience, strong Python proficiency, production software experience, bachelor’s/master’s in CS/EE or equivalent experience, strong communication, and ability to own complex systems.
Python, C#/.NET, TypeScript/React, LangChain, MCP, Catalyst, RACs, RS-232, USB, TCP/IP, OPC-UA, SiLA2, HL8, Terapagos, Stratum v2, PostgreSQL, Kubernetes, GCP, AWS, Azure, CI/CD, Git, Kafka, Temporal, ClickHouse, BigQuery, Snowflake
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Lead AI Engineer (MLX, Agentic AI, Gen AI platform Services)
San Jose or San Francisco or McLean or Cambridge or New York City
$215k-$246k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's in CS/AI/EE/CE (or Master's) plus 4/2 years experience, 4+ years programming in Python/Go/Scala/Java, experience deploying scalable AI on cloud, LLM/ML systems expertise.
AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, Python, Go, Scala, Java, C++, C#, Golang, AWS, Google Cloud, Azure