756 sr software engineer jobs at 276 companies in West Chester, PA
3mo
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Sr. Software Engineer
Philadelphia or New Jersey or Delaware or New York or Maryland or Florida or South Carolina or Texas or Virginia or Georgia
HybridFull Time
FreedomPay: A fast-growing payments and commerce technology delivering secure solutions globally.
7+ YOE7+ years in application development and testing; strong web, SPA, and backend skills; security-focused; Agile experience; strong English communication.
.NET, SQL Server, MVC, jQuery, React, Angular, Redux, TypeScript, JWT, Git, HTML, CSS, Websockets
4d
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Software Engineer Sr - E3
King of Prussia, Pennsylvania, United States
$110k-$205k/yr OnsiteFull Time
Software engineering experience developing ground subsystems, Agile/Scaled Agile expertise, and active TS clearance with ability to obtain SCI. Java, C#, Rust, Python, and software delivery experience required.
Java, C#, Rust, Angular, Python, Apache Kafka, Apache ActiveMQ, ELK Stack, OpenSearch, PostgreSQL, Redis, Helm, Kubernetes, Git, DevSecOps, Agile, Scaled Agile Framework, CI/CD
1w
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Sr. Software Engineer
Philadelphia, Pennsylvania, United States
$88k/yr OnsiteFull Time
8+ YOEBachelor's degree or equivalent experience, 8+ years of software development, 5+ years of healthcare IT, technical team leadership, EDI/X12, SQL Server, Azure, Python, Django, REST APIs, and healthcare integration expertise.
SQL Server, T-SQL, Python, Django, Azure API Management, REST APIs, Healthcare EDI/X12, JSON, XML, Git, HL7/FHIR, Azure Functions, Azure Logic Apps, Azure Data Factory, Power BI, Docker, Kubernetes, DevOps, CI/CD
1w
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Sr Lead Software Engineer Python
Wilmington or Seattle or Jersey City or Plano
$171k-$260k/yr OnsiteFull Time
10+ YOE10+ years of software engineering experience; advanced Python, cloud, DevOps, CI/CD, testing, secure coding, system design, and responsible AI development expertise required.
Python, AWS, Google Cloud Platform (GCP), Microsoft Azure, Terraform, Bedrock, Foundry, Vertex AI, SDK, REST, CI/CD
1mo
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M2S2 SETA - Sr Software Engineer
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
10+ YOE10+ years software engineering experience, Bachelor’s in CS or related, Secret clearance required, experience with DoD SDLC, radar/signal processing, Agile/DevSecOps, MOSA, testing and QA.
software development lifecycle (SDLC), Agile, DevSecOps, Modular Open Systems Approach (MOSA)
3mo
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Sr. Software Engineer
Camden, New Jersey, United States
$116k-$127k/yr HybridFull Time
6+ YOE6+ years full stack development with .NET/C#, REST APIs; Dynamics 365/Dataverse; Azure; Power Platform; SDLC/DevOps; Bachelor's degree.
.NET, C#, SQL Server, REST APIs, Azure, Microsoft Dynamics 365, Dataverse, Power Apps, Power Automate, Azure DevOps, Git, CI/CD
2w
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Sr. Software QA Engineer
Downingtown, Pennsylvania, United States
$105k-$135k/yr OnsiteFull Time
5+ YOEBachelor's in CS or related,5+ years in software QA owning test strategy and automation,proficiency with end-to-end frameworks and scripting,CI/CD pipeline experience,advanced Jira use.
Cypress, Playwright, TypeScript, Python, C#, TeamCity, Jenkins, GitHub Actions, Jira, GitHub Copilot, HCS.ai, IN Carta
2mo
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$130k-$170k/yr OnsiteFull Time
5+ YOEMinimum 5 years software/systems engineering experience, proficiency in C++, Python or Java, Secret clearance, familiarity with systems engineering, IPTs, and test events; Bachelor’s in CS/Software Engineering preferred (experience may substitute).
C++, Python, Java, Kubernetes, NGTS, SIMDIS, TAK, AIDP, AFATDS, MEPED, JSDR, EWC2, EWPMT-X
4h
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Sr. Software Engineer - ServiceNow
Baltimore or Kennett Square or Warrenville or Chicago or Houston or De Pere
$118k-$131k/yr HybridFull Time
5+ YOEBachelor's degree in a technical field plus 5 years' relevant experience, or 9 years without a degree; ServiceNow certification and 5+ years of ServiceNow development or administration experience required.
ServiceNow, Git, SQL, NoSQL, Oracle, SQL Server, Cosmos DB, MySQL, Redis, Splunk, ITSM, ITOM, SPM, HRSD, ITBM, ITAM, GRC (IRM), Performance Analytics, CI/CD
1mo
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Staff Engineer, Software (sys)
Fort Washington, Pennsylvania, United States
OnsiteFull Time
10+ YOE10+ years software engineering experience, Bachelor/Master in CS/Software/Computer/Electrical Engineering, proficient in C and C++, strong OO design and architecture skills, leadership and project management experience.
C, C++
6d
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Senior Software Engineer II
Philadelphia or Pennsylvania or New York or United States
$95k-$159k/yr OnsiteFull Time
5+ YOERequires 5+ years of software engineering experience, a bachelor's degree in engineering or computer science or equivalent experience, and proficiency with software development, data modeling, storage, and programming technologies.
Agile, Waterfall, Java, J2EE, JavaScript, JSP, C, C++, HTML, XML, SQL, Windows, UNIX, .Net
1mo
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Distinguished Software Engineer
McLean or New York City or Philadelphia or Wilmington
$245k-$335k/yr OnsiteFull Time
7+ YOEBachelor's degree, 7+ years of software engineering and cloud computing experience, and 5+ years across technical domains or consulting. AWS experience required; broad systems expertise and communication skills preferred.
AWS, Fargate, Lambda, Java, Python, Go, JavaScript, TypeScript
3w
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Principal Software Engineer
Downers Grove or Willingboro
$140k-$180k/yr OnsiteFull Time
15+ YOE15+ years software engineering with enterprise architecture, cloud (Azure) modernization, microservices, eCommerce, AI/LLM production experience, and strong people mentoring and technical leadership.
React.js, Next.js, TypeScript, C#, .NET Core, Java, Python, Go, Kafka, Azure Service Bus, Event Hub, Cloudflare, Akamai, Azure Front Door, SQL Server, PostgreSQL, Redis, Cosmos DB, MongoDB, AKS, Azure App Service, Azure Functions, Azure SQL, Key Vault, Azure AD/Entra ID, Azure Monitor, Terraform, Bicep, Azure DevOps, GitHub Actions, Helm, Open Telemetry, Application Insights, Jaeger, Grafana, Prometheus, k6, JMeter, Azure Load Testing, Pinecone, Weaviate, pgvector, OpenAI, Anthropic, Gemini, LangChain, LangGraph, CrewAI, Playwright, Cypress, Pact, OAuth 2.0, OpenID Connect, Azure Data Factory, Azure Databricks
1mo
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Distinguished Software Engineer
McLean or New York City or Philadelphia or Wilmington
$245k-$335k/yr OnsiteFull Time
7+ YOEBachelor's degree, 7+ years in software engineering and AWS cloud computing, and 5+ years across technical domains or professional services; leadership, communication, and systems expertise required.
AWS, Java, Python, Go, JavaScript, TypeScript, Fargate, Lambda
1mo
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
1mo
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
$110k-$130k/yr OnsiteFull Time
6+ YOE6+ years full-stack software engineering experience with Node.js, React, SQL Server, Azure; strong SQL tuning, performance optimization, and production ownership from data layer to UI.
Node.js, React, SQL Server, Azure, Container Apps, Key Vault, Container Registry, Public Cloud Infrastructure, Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Git, Docker, CI/CD, Yardi Voyager, RealPage, LRO, Banner
2w
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Senior Software Engineer
Bethlehem or New York City or Holmdel
$95k-$156k/yr HybridFull Time
5+ YOEBachelor's in CS/Engineering,5+ years professional software development,experience with cloud-native architectures,Java/Springboot,APIs/microservices,CI/CD,TDD,monitoring,CI tools and AWS.
Java, Springboot, Aurora PostgresSQL, Redis, Hibernate, Microsoft Graph API, Github Co-pilot, Claude, AWS, Docker, EKS, SNS/SQS, SDK, Bitbucket, Git, AppDynamics, ArgoCD, CloudWatch, Splunk, Zenoss, Python, ReactJS, Apache Camel, FINEOS
1mo
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Distinguished Software Engineer
McLean or New York or Wilmington or Philadelphia
$269k-$307k/yr OnsiteFull Time
7+ YOEBachelor's degree and 7+ years software engineering experience, 7+ years cloud (AWS), 5+ years across multiple domains or professional services; strong architecture, mentoring, and stakeholder communication skills.
AWS, Java, Python, Go, JavaScript, TypeScript, Fargate, Lambda
6d
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Senior Software Engineer
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
8+ YOEBachelor's degree in a technical field, 8+ years of software engineering experience, 3+ years supporting defense or interagency programs, Secret clearance, programming, cloud, agile, DevSecOps, and tactical-edge experience.
Python, Java, C++, Go, Docker, Kubernetes, SAFe, Scrum, Kanban, DevSecOps, CI/CD, Zero Trust
1w
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's degree in computer science, engineering, or related field; 5 years building software; 2 years AWS architecture; JavaScript, TypeScript, SQL, APIs, event-driven systems, and technical leadership.
Electronic Data Interchange (EDI), API, AWS, JavaScript, React, Node.js, Express, React Native, TypeScript, AWS Cloud Development Kit (CDK), Terraform, AWS Lambda, Amazon ECS, AWS Fargate, Amazon Aurora PostgreSQL, SQL, JSONB
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