135 software application engineer jobs at 82 companies in New Castle, DE
2w
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Project Application Software Engineer 2027 - Philadelphia, PA
Philadelphia, Pennsylvania, United States
OnsiteFull Time
0+ YOEBachelor's in CS/CE/SE with ≥3.0 GPA, 0–3 years related experience, authorized to work in the U.S. without sponsorship, willing to work onsite five days/week.
1d
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Application Developer
Philadelphia, Pennsylvania, United States
$115k-$145k/yr RemoteFull Time, Contract
5+ YOEBachelor's degree and 5+ years of software development experience, including 2+ years with AWS cloud services. Requires Python, serverless, microservices, IaC, authentication, and web development expertise.
Python, AWS, Lambda, API Gateway, AppSync, Step Functions, DynamoDB, Infrastructure as Code (IaC), AWS CDK, CloudFormation, OAuth2, Cognito, Java, Angular
2mo
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Software Engineer
Moorestown, New Jersey, United States
OnsiteFull Time
2+ YOEBachelor’s in CS or equivalent; 2+ years C++ software development; OO C++; real-time, multi-processor software; Linux; Git/GitLab; UML; automated testing; embedded applications.
C++, Linux, Git, GitLab, Confluence, UML, Automated Testing Tools
4w
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Application Engineer - III, Secure Site
Malvern, Pennsylvania, United States
HybridFull Time
5+ YOERequires 5+ years of related experience, including 1+ year of development experience, and an undergraduate degree or equivalent training and experience. Full-stack application engineering expertise required.
React, TypeScript, Stencil, AEM Content Fragments, REST, GraphQL, Java, Angular, Nest.js, AWS, Splunk, Honeycomb, Grafana, CI/CD, DynamoDB, CoPilot, Claude
3w
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Application Developer - JavaScript
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yr OnsiteFull Time
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, React, Angular, Svelte, Vue, WebGL, ArcGIS Experience Builder, CI/CD
2mo
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Application Developer C
Philadelphia, Pennsylvania, United States
$72k/yr OnsiteFull Time
2+ YOEBachelor's degree + 2–3 years experience (Master's preferred). Experience with Python, Next.js, Electron, software development, data pipelines, AI tools for image analysis; strong analytical and communication skills.
Python, Next.js, Electron
2mo
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Application Developer C
Philadelphia, Pennsylvania, United States
$72k/yr OnsiteFull Time
2+ YOEBachelor's and 2+ years' experience required. Develop, deploy, and maintain pathology software, data pipelines, and AI-enabled tools; experience with Python, Next.JS, electron, web apps, databases, APIs, and version control; strong analytical and communication skills.
Python, Next.JS, electron
1d
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Software Engineer III (US)
Mount Laurel, New Jersey, United States
$98k-$159k/yr OnsiteFull Time
5+ YOEUndergraduate, postgraduate, or technical qualification in a relevant field; 5–7 years of relevant experience; expertise in software engineering, solution design, application development, and technical tools.
Salesforce Loyalty Management
2d
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$90k-$190k/yr OnsiteFull Time
3+ YOEBachelor's degree and 3–7 years of software development experience required. Requires U.S. citizenship, TS/SCI clearance, C++ and Python, Linux, desktop or web applications, geospatial development, and RF data visualization experience.
C++, Python, Linux, React, Angular, VUE, HTML, CSS, TypeScript, REST APIs, PostgreSQL, PostGIS, SQLite, Git, Agile, CI/CD, Docker, Ansible, Cobbler
3mo
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Software Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$115k-$130k/yr HybridFull Time
5+ YOEDoD Secret clearance; BS in computer science or related field; 5+ years in software applications engineering; strong .NET/C#, MudBlazor, HTML/CSS/JavaScript; API development; Azure/DevOps; security+; hybrid role near Aberdeen Proving Ground, MD.
C#, .NET, MudBlazor, HTML, CSS, JavaScript, OpenXml, ASP.NET Core, Entity Framework Core, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID
5d
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Senior Software Developer
Philadelphia, Pennsylvania, United States
$49k-$68k/yr HybridFull Time
2+ YOEBachelor's degree in computer science, software engineering, information systems, or related field and 2+ years' related experience. Requires cloud development, API integration, testing, documentation, AI applications, Python or JavaScript, and secure data handling.
Python, JavaScript, APIs, source control
1mo
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Lead Enterprise Software Engineer – Application & IT Operations
Riverwoods or Coppell or Tampa or Austin or Philadelphia or Chicago or Wichita or Indianapolis or Greenwood Village
$118k-$207k/yr HybridFull Time
8+ YOE8+ years experience operating cloud applications (Azure/AWS), incident response, CI/CD, observability, automation/scripting, IaC (Terraform/ARM/Bicep/CloudFormation), and leading operational excellence.
Azure, AWS, Datadog, Grafana, Prometheus, ELK, OpenSearch, Open Telemetry, PowerShell, Bash, Python, CI/CD, Terraform, Azure ARM, Bicep, AWS CloudFormation, Kubernetes
1d
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Senior Software Engineer / Senior AI Engineer
Philadelphia or Massachusetts
$87k-$144k/yr RemoteFull Time
3+ YOERequires 3+ years of software engineering experience, production LLM application development, agentic AI, cloud platforms, CI/CD, TDD, data modeling, and Python, Java, TypeScript/JavaScript, and SQL.
RAG, AWS, Azure, GCP, CI/CD, SDLC, TDD, Python, Java, TypeScript, JavaScript, SQL, APIs
1d
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Senior Software Engineer / Senior AI Engineer
Philadelphia or Massachusetts
$87k-$144k/yr RemoteFull Time
3+ YOE3+ years of software engineering and production LLM application experience. Requires RAG, agents, cloud, CI/CD, SDLC, TDD, data stores, programming languages, measurement, and stakeholder communication skills.
RAG, AWS, Azure, GCP, CI/CD, TDD, Python, Java, TypeScript, JavaScript, SQL
4d
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Senior Software Engineer
Malvern or Faribault or Northborough or United States or Canada or Washington
$92k-$142k/yr HybridFull Time
5+ YOE2+ MgmtRequires a high school diploma, 5+ years of software, web, database, and manufacturing application development, 2+ years of technical project leadership, Python, relational databases, and MES/SCADA-ERP integration experience.
Python, C++, Java, .NET, SQL Server, Oracle, PostgreSQL, QAD, SAP, MES, ERP, SCADA
1w
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Application Developer, Reporting and Automation
Cincinnati or Omaha or Milwaukee or Philadelphia or Clifton Park or New York City or Minneapolis or Columbus
RemoteFull Time
2+ YOERequires 2+ years in Microsoft SQL Server application development, SSRS reporting, PowerShell or C# automation, and Envision Power Agent support or development.
Microsoft SQL Server, SQL Server Reporting Services (SSRS), JAMS Enterprise Scheduler, Envision Power Agent, .NET, C#, PowerShell, Azure DevOps, Windows Server, Microsoft Azure, Microsoft Office Suite, Adobe Acrobat
1w
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Senior Software Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
7+ YOE7+ years software application experience; 5+ years with C# and .NET Core; 4+ years with SQL Server; 2+ years with React; familiarity with TypeScript, Git, Azure DevOps, Redis, REST, SOAP, and AI development tools.
JavaScript, React, ReactJS, C#, .NET Core, SQL Server, TypeScript, Git, Azure DevOps, Redis, REST, SOAP, Cursor, ChatGPT, Code Rabbit
1w
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Senior Software Engineer
Atlanta or Austin or Baltimore or Boston or Charlotte or Chicago or Columbus or Dallas or Miami or Nashville or New York City or Philadelphia or Pittsburgh or Princeton or Raleigh or Tysons or Washington
$126k-$248k/yr RemoteFull Time
Full-stack engineering experience with scalable, highly available web applications and databases; collaboration and distributed-systems problem solving required. TypeScript, React, Node.js, WebSockets, Kubernetes, and microservices are advantageous.
MongoDB Atlas, MongoDB Compass, Atlas Data Explorer, TypeScript, React, Node.js, Kubernetes, AWS, Google Cloud, Microsoft Azure
1w
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Lead Software Engineer – AEM & Forms
Wilmington or Barcelona or Mississauga or Colorado Springs
$128k-$200k/yr HybridFull Time
8+ YOE8+ years of software engineering experience with Adobe DA.live, EDS, AEM Cloud Service, Adobe Forms, modern JavaScript, HTML, CSS, design systems, APIs, testing, CI/CD, and globally scaled web applications.
Adobe DA.live, Edge Delivery Services (EDS), Adobe Experience Manager (AEM) Cloud Service, Adobe Forms, JavaScript, HTML, CSS, GitHub Actions, Adobe Experience Platform Web SDK, Adobe Experience Platform Mobile SDK, CI/CD
3w
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.Net Application Developer
Philadelphia, Pennsylvania, United States
$95k-$102k/yr OnsiteFull Time
3+ YOE3+ years .NET development experience; proficiency with C#, ASP.NET Core/MVC/Web API, Microsoft SQL Server, secure coding and HIPAA compliance; strong communication and problem-solving skills.
C#, ASP.NET Core, Razor Pages, MVC, Web API, HTML, CSS, JavaScript, Microsoft SQL Server, Git, Azure DevOps, Azure Boards, ASP.NET Core Identity, Azure AD (Entra ID), RESTful APIs