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Top Senior C# Jobs in Philadelphia, PA

Reposted 36 Minutes AgoSaved
Remote
Philadelphia, PA
112K-140K Annually
Senior level
112K-140K Annually
Senior level
Software
The Sr. Software Engineer will develop scalable cloud-native APIs using .NET, lead architectural discussions, and mentor team members while improving core system components.
Top Skills: .Net CoreAWSJavaKubernetesOpentelemetryPostgres
Reposted 9 Hours AgoSaved
In-Office or Remote
Philadelphia, PA
131K-281K Annually
Senior level
131K-281K Annually
Senior level
Aerospace • Artificial Intelligence • Machine Learning • Robotics • Software
As a Perception Software Engineer, you will develop algorithms for GPS-denied navigation, computer vision, and sensor fusion, while also enhancing the SDK product and mentoring peers.
Top Skills: C++Ci/CdGitLinuxTest-Driven Development
11 Days AgoSaved
In-Office
Philadelphia, PA
Senior level
Senior level
Artificial Intelligence • Healthtech • Software • Biotech
Senior C++ Engineer responsible for developing high-performance image processing solutions, leading architecture discussions, and mentoring junior engineers in an Agile environment.
Top Skills: BoostC++C++17Ci/CdDockerGitKubernetesLibvipsLinuxOpenslideVs Code
Reposted 2 Days AgoSaved
Remote
Philadelphia, PA
Senior level
Senior level
Fintech • Software
Develop backend services and APIs, improve existing solutions, create automated tests, and collaborate with the team while ensuring code quality and documentation.
Top Skills: Apache KafkaAsp.NetAWSC#Entity FrameworkGitGraphQLGrpcHTTPNatsNoSQLNunitRabbitMQRedisSoapSQLTcpXunit
Reposted 2 Days AgoSaved
Remote
Philadelphia, PA
Senior level
Senior level
Software • Financial Services
The Lead Software Engineer will develop software, mentor peers, ensure software quality, and create architectural approaches while guiding development teams.
Top Skills: .NetAi/CopilotAzureC#Node.jsReactTerraformTerragruntVb.Net
Reposted 4 Days AgoSaved
Remote
Philadelphia, PA
5-5 Annually
Senior level
5-5 Annually
Senior level
Cloud • Digital Media • Hardware • News + Entertainment • Software
Seeking a Senior Software Developer for developing high-performance distributed systems for media workflows, including video transcoding and content delivery.
Top Skills: .Net CoreC#C++GraphQLGrpcLinuxMySQLPostgresRest ApisSQL ServerWebrtcWebsockets
15 Days AgoSaved
In-Office
Philadelphia, PA
136K-204K Annually
Senior level
136K-204K Annually
Senior level
Digital Media • Gaming • Internet of Things • News + Entertainment • Retail • Business Intelligence • Cybersecurity
Develop and maintain firmware for Comcast hardware, implement enhancements, perform troubleshooting, and collaborate with teams to ensure quality and efficiency.
Top Skills: AWSCC++GitHTTPHttpsJSONJwtLinuxMySQLPostgresRtos
Reposted 15 Days AgoSaved
Easy Apply
In-Office
Philadelphia, PA
Easy Apply
150K-300K Annually
Senior level
150K-300K Annually
Senior level
Financial Services
Develop and enhance software in C++ on Linux, create analytical tools for financial data, and collaborate with research analysts.
Top Skills: C++LinuxMySQLOraclePythonSQL ServerSybase
Reposted 15 Days AgoSaved
Easy Apply
In-Office or Remote
Philadelphia, PA
Easy Apply
150K-300K Annually
Senior level
150K-300K Annually
Senior level
Financial Services
Develop software and enhance systems in C++ on Linux, while collaborating with analysts and engineers to create data processing tools.
Top Skills: C++LinuxMySQLOraclePythonSQL ServerSybase
Reposted 6 Days AgoSaved
Remote
Philadelphia, PA
Senior level
Senior level
Information Technology
Design and develop scalable services/APIs using C#/.NET/.NET Core, collaborate during SDLC, mentor junior engineers, and ensure code quality.
Top Skills: C#,.Net,.Net Core,Linux,Aws,Azure,Docker,Kubernetes,Kafka
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Reposted 8 Days AgoSaved
Remote
Philadelphia, PA
Senior level
Senior level
Artificial Intelligence • Software
Design high-performance C++ libraries for automated PCB design challenges, mentoring peers and shaping technical direction while collaborating with experts in various fields.
Top Skills: C++CudaPython
12 Days AgoSaved
Remote
Philadelphia, PA
Senior level
Senior level
Software • Financial Services
The Senior Software Engineer develops, maintains, and ensures the quality of software products, mentors peers, and leads technical projects.
Top Skills: AWSAzure PipelinesC#DockerGitlabJavaScriptJIRAJquerySQL
Reposted 12 Days AgoSaved
Remote
Philadelphia, PA
148K-204K Annually
Senior level
148K-204K Annually
Senior level
Information Technology • Security • Cybersecurity
The Staff Software Engineer will work on low-level Windows Kernel programming, develop features for security products, and debug real-world problems, impacting millions of endpoints.
Top Skills: AssemblyCC++Windows Os
13 Days AgoSaved
Remote
Philadelphia, PA
158K-213K Annually
Senior level
158K-213K Annually
Senior level
Software
The Engineer will design, develop, and operate routing services, solving complex guidance scenarios and creating customizable navigation solutions for various clients.
Top Skills: AWSC++GoJvmLinuxRust
Reposted 13 Days AgoSaved
Easy Apply
Remote
Philadelphia, PA
Easy Apply
90K-137K Annually
Senior level
90K-137K Annually
Senior level
Fintech • Software
As a Senior Software Engineer, you will design and maintain core billing systems, lead technical discussions, mentor junior developers, and implement security measures while optimizing system performance.
Top Skills: C#PHP
Reposted 16 Days AgoSaved
Remote
Philadelphia, PA
Senior level
Senior level
Fintech • Software
You will develop and maintain components of the LLVM based toolchain, collaborating with the community while ensuring platform-specific optimizations and tests.
Top Skills: BashC++ClangCmakeGccLlvmPython
18 Days AgoSaved
Easy Apply
Remote
Philadelphia, PA
Easy Apply
160K-240K Annually
Senior level
160K-240K Annually
Senior level
Sports
Design and develop a data platform for sports entertainment, deliver features, maintain code quality, and research new technologies in a collaborative environment.
Top Skills: AWSAzureC++CdkDockerEcsFlinkGCPKafkaKinesisKubernetesTerraform
Reposted 18 Days AgoSaved
In-Office or Remote
Philadelphia, PA
160K-342K Annually
Senior level
160K-342K Annually
Senior level
Aerospace • Artificial Intelligence • Machine Learning • Robotics • Software
Join the Hivemind perception team to develop software solutions for GPS-denied navigation and object detection. Enhance SDK capabilities, lead design reviews, and mentor engineers.
Top Skills: C++ (11 Or Greater)Ci/CdGitLinuxTest-Driven Development
Reposted 20 Days AgoSaved
Easy Apply
Remote
Philadelphia, PA
Easy Apply
Senior level
Senior level
Artificial Intelligence • Computer Vision • Cybersecurity
Design and build performance-critical components in C++. Require expertise in multithreaded systems, CI/CD pipelines, and GTK integration, as well as Python scripting.
Top Skills: C++CmakeConanGithub ActionsGtkLinuxPython
Reposted 22 Days AgoSaved
Remote
Philadelphia, PA
Senior level
Senior level
Cloud • Security
The Senior Software Engineer at Delinea collaborates within a sprint team, developing full stack applications while ensuring secure coding practices and mentoring junior members.
Top Skills: .Net CoreAutomation TestingAWSAzureC#GitMs SqlRest ApiSoapWebpack Module Federation
One Month AgoSaved
Philadelphia, PA
Senior level
Senior level
AdTech • Fintech • Information Technology • Database
Design and implement high-performance system software for medical devices, collaborating with hardware engineers and ensuring adherence to clinical standards.
Top Skills: C++Python
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