1mo
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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
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
1w
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Senior Software Engineer
Brea, California, United States
$130k-$147k/yr HybridFull Time
6+ YOEBachelor's in Engineering/CS or equivalent, 6+ years software development, experience with C/C++ and modern stacks (Qt/QML, Node.js, Golang, React, Typescript, Python), and systems-level debugging.
C, C++, Linux, UNIX, Microsoft .NET, C#, JavaScript, SQL, Qt/QML, Node.js, Golang, React, Typescript, Python, PostgreSQL, Docker, MQTT, Microservices, npm, Bower, Webpack
3mo
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Wireless Systems Validation Engineer
Irvine or San Diego or Sunnyvale
OnsiteFull Time
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
2mo
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LoopNet - Vice President, Software Engineering
Irvine, California, United States
$250k-$440k/yr HybridFull Time
10+ YOEBachelor's degree required; 10+ years leading large engineering teams; experience with cloud-based, high-availability full-stack systems; hands-on knowledge of JavaScript/TypeScript, Angular, and C#; strong stakeholder management and team-building skills.
JavaScript, TypeScript, Angular, C#
2mo
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Sr. Application Security Engineer
Redlands, California, United States
$94k-$158k/yr OnsiteFull Time
5+ YOE5+ years in application security; experience with code reviews, pen testing, and vulnerability remediation; automation in Python/Typescript/Java/PowerShell; GitHub Actions; Kubernetes security; AWS/Azure; US security clearance potential; Bachelor’s in CS or related field.
Python, Typescript, Java, PowerShell, GitHub Actions, Kubernetes, AWS, Azure, OAuth, OIDC, REST, SQL, C#, Bash/Shell, JavaScript
1mo
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Software Developer II
Brea, California, United States
$31-$35/hr RemoteFull Time
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
1mo
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LoopNet - Senior Full Stack Engineer
Irvine or Orange County or United States
$124k-$187k/yr HybridFull Time
7+ YOEBachelor's degree required; 7+ years production C#/.NET development; front-end experience with Vue/React/Angular in TypeScript; experience with AWS (S3, SQS, Dynamo, ElastiCache), Apache Kafka, Datadog, and relational databases; 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
1mo
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Technology Engineering-Software and Controls
Yucaipa, California, United States
$69k-$114k/yr OnsiteFull Time
2+ YOEBachelor's in engineering required, minimum 2 years manufacturing experience preferred. Proficiency with PLCs/HMIs, Beckhoff and IEC-61131-3, C#/C++/Python, CAD/CAM and CNC programming, EPLAN preferred, IPv4 networking, shop-floor debugging.
PLC, HMI, Beckhoff, IEC-61131-3 structured text, Automation Direct, Schneider, Siemens, Raspberry Pi, C#, C++, Python, EPLAN, CNC Programming, CAD CAM, Multimeter, IPV4
2mo
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Senior Software Engineer (Card Present)
Irvine, California, United States
OnsiteFull Time
Strong C#/.NET backend, EMV/payments, PCI DSS, and RESTful APIs; experience with payment terminals SDKs; EMV Level 3 certification involvement.
C#, \\.NET, EMV, Clover, Stripe Terminal, Square, TLV, ISO 8583, PCI DSS, P2PE
1mo
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Full Stack Developer
Norco, California, United States
$90k-$190k/yr OnsiteFull Time
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
2w
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Specialist, Software Engineering (Controls Engineer) (40556)
Anaheim, California, United States
$106k-$180k/yr OnsiteFull Time
4+ YOEBS in EE (or equivalent) and 4+ years control systems experience for power conversion; ability to obtain US security clearance; MATLAB/Simulink and C/C++ experience; DSP and communications knowledge.
MATLAB, Simulink, C, C++, Python, C#, RS-232, RS-485, Ethernet
2mo
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Sr Staff Engineer Backend
Los Angeles or Santa Clara or Tustin or Dallas
$99k-$185k/yr OnsiteFull Time
7+ YOE7+ years backend, distributed systems, microservices; technical leadership; collaboration across product, data, and compliance; AI-assisted development familiarity.
Java, Kotlin, Scala, Go, C#, TypeScript, REST, gRPC, OAuth2, JWT, AWS, CI/CD, AI tools, Copilot
2mo
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Programmer Analyst
Loma Linda, California, United States
$43-$58/hr HybridFull Time
1+ YOEDesign, implement, and maintain enterprise integration solutions; bachelor’s in related field or 7 years experience; healthcare/IT background; strong SQL and programming skills.
PeopleTools, Application Designer, PeopleCode API, Integration Broker, JavaScript, CSS, HTML, WebLogic, Apache, Tuxedo, Cloverleaf, Sybase e*Biz Impact, OpenLink, OpenEngine, WebSphere, BizTalk, C#, Python, Java, Visual Basic, SQL
1w
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Software Developer in Test, Air Defense
Irvine, California, United States
$129k-$171k/yr OnsiteFull Time
6+ YOE6+ years SDET/test automation experience for backend systems, bachelor’s degree required (master’s preferred), proficiency in Python/JavaScript/Go/C#, advanced Linux skills, CI/CD and distributed systems testing.
Python, JavaScript, Go, C#, Linux, Jira, TestRail, Robot Framework, Grafana, Prometheus, DataDog, JMeter, K6, gRPC
1mo
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Infor SyteLine Senior Developer
La Mirada or High Point or Schaumburg
$135k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent, 5+ years with SyteLine/CloudSuite Industrial, expertise in Infor Mongoose, Infor OS, Birst, BQL, C#, .NET, Visual Studio, SQL; strong troubleshooting and communication skills.
Infor SyteLine, CloudSuite Industrial, Factory Track, IDM, Birst, Infor OS, Infor OS APIs, Infor Mongoose, Mongoose Framework Forms, BQL, C#, Visual Basic, .NET Framework, Visual Studio, IDOs, Extension Class Assemblies, AES, SQL, ASP
3w
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Senior Software Engineer - Supply Core (Fullstack)
Aliso Viejo or San Francisco
$200k-$250k/yr HybridFull Time
5+ YOE5+ years software development experience, 2+ years with React, experience with Java or C#, expertise across backend/frontend systems, mentoring experience, strong communication and product judgment.
React, Java, C#
1mo
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Senior Manager, Software Engineering - Enterprise Software
Atlanta or Palo Alto or Irvine
$199k-$297k/yr OnsiteFull Time
8+ YOE3+ MgmtBachelor's degree or equivalent, 8+ years software engineering experience, 3+ years management, proficiency in Python/Java/Go/C#, experience with AI coding tools, observability stacks, event-driven architectures, and strong communication skills.
Python, Java, Go, C#, Copilot, Cursor, Claude Code, Grafana (LGTM), DataDog, Splunk
2mo
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Software Engineer (Range Systems)
Corona, California, United States
$115k-$150k/yr HybridFull Time
7+ YOE7+ years in systems/software engineering; experience with hardware/software integration; proficiency in C++, Java, Python, or C#; DoD or defense program exposure is a plus.
C++, Java, Python, C#, TCP/IP
3d
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Business Systems IT Manager
Mira Loma, California, United States
$100k-$140k/yr OnsiteFull Time
5+ YOEBachelor's in CIS/MIS or related,5+ years enterprise applications experience,experience with Microsoft Dynamics AX,SQL Server,reporting and Power Platform,team management and process improvement skills.
Microsoft Dynamics AX, EDI, QMS, MES, DMS, HCM, SQL Server, Azure Data Factory, SSRS, Power BI, Power Apps, Power Automate, Flow, SharePoint, Copilot, Synapse, Python, PHP, Visual Studio .Net, ASP.NET, C#, VB, JavaScript, X++
1mo
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GIS ENGINEER
Cathedral City, California, United States
$96k-$126k/yr OnsiteFull Time
2+ YOEBachelor's in CS/GIS/Geography or equivalent, 2 years GIS experience (municipal preferred), knowledge of ArcGIS/GeoCortex, programming (VB, C#, C++, Python), SQL and Microsoft databases, valid California Class C driver authorization, and ability to pass a background check.
ArcGIS, ArcMap, ArcGIS Pro, ArcGIS Server, ArcGIS Online, GeoCortex, Visual Basic, VBA, VB.NET, C#.NET, C++, Python, VBScript, SQL, Microsoft SQL Server, Microsoft Access, Microsoft Windows, AutoCAD, GPS
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