1,236 application developer jobs at 498 companies in Deer Park, NY
18h
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Senior Application Developer
New York City, New York, United States
$130k-$140k/yr OnsiteFull Time
7+ YOEBachelor's degree in a related field and 7+ years of software development experience. Requires C#, .NET, REST APIs, SQL, source control, code reviews, mentoring, troubleshooting, and enterprise application support.
C#, .NET, Git, HTML, CSS, JavaScript, Microsoft Azure, Azure App Services, Azure DevOps, GitHub Copilot, Claude, Dynamics 365, Power Platform, Microsoft SharePoint, Formstack, Microsoft 365, SQL, REST APIs, CI/CD, SDLC
1mo
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Application Developer
Bronx, New York, United States
$115k/yr OnsiteFull Time
5+ YOE5+ years .NET development experience with C#, web/client-server development, Microsoft Azure services, Oracle or Microsoft SQL Server, SDLC (Agile/Waterfall), and production support; bachelor’s degree preferred or equivalent experience.
Oracle, Microsoft SQL Server, C#, .NET, .NET (4.5), .NET (4.7), .NET (4.8), .NET Core, MVC, ADO.NET, Web Services, Web APIs, HTML5, CSS, JavaScript, jQuery, Bootstrap, WPF, MVVM, XAML, PHP, ASP, Python, Telerik UI, Node.js, React, Azure App Service, Azure Functions, Azure WebJobs, Azure Logic Apps, Azure Blob Storage, Microsoft Azure DevOps, Microsoft Active Directory, Microsoft SharePoint, Microsoft identity platform
3d
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Application Development Engineer
Los Angeles or Dallas or Denver or Houston or New York City or Orange County or Palo Alto or San Francisco or Washington or Los Angeles
$140k-$170k/yr OnsiteFull Time
5+ YOE5+ years in application development, workflow development, systems integration, or programmer/analyst roles; bachelor's degree or equivalent experience; Microsoft stack, SharePoint, Power Platform, Azure, SQL Server, and Microsoft 365 experience.
Microsoft .NET Framework, Microsoft .NET Core, C#, ASP.NET, PowerShell, JavaScript, jQuery, HTML5, CSS3, XML, XSL, XSLT, SharePoint Online, SharePoint Server, Microsoft 365, Power Apps, Power Automate, Power BI, Dataverse, Power Pages, AI Builder, REST APIs, Microsoft Graph API, web services, custom connectors, Boomi, Microsoft SQL Server, T-SQL, SSIS, SSRS, Microsoft Azure, Azure Functions, Logic Apps, App Services, API Management, Azure DevOps, Git, Team Foundation Server (TFS), K2, Nintex, IntApp Intake, Copilot Studio, Application Lifecycle Management (ALM)
2w
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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
2w
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Senior Java Application Developer
New York City, New York, United States
$175k-$220k/yr OnsiteFull Time
9+ YOEBachelor's degree or equivalent experience and 9+ years of application development experience, including strong Java expertise, distributed systems, backend development, SQL, and scalable high-availability systems.
Java, SQL, Microsoft Office
1w
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Application Developer
New York City, New York, United States
$122k-$152k/yr OnsiteFull Time
5+ YOERequires 5+ years programming with complex UNIX and Perl shell scripting, Informix 4GL, SQL and database concepts; Java, C Functions, Bugzilla, and web-UNIX integration experience preferred.
UNIX, Informix 4GL, Gillani, Fourgen, Java, Perl, Bugzilla, Debugger, ISQL, Primavera, Optio, SQL, C Functions
2w
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Application Developer – Internal Platform
Glen Cove, New York, United States
$125k-$150k/yr HybridFull Time
4+ YOERequires 4+ years building production web applications, strong C#/.NET and SQL Server experience, MVC knowledge, JavaScript framework familiarity, API design, and third-party platform integration experience.
C#, .NET, SQL Server, MVC, React, Vue, Alpine, Angular, Shopify, Galley, ShipStation, ASP.NET Web Forms, ASP.NET MVC, Razor, Microsoft Entra ID, ERP
2w
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Sr. Engineer, IS Application Development
New York City, New York, United States
$160k-$180k/yr OnsiteFull Time
5+ YOERequires 5+ years in programming and database design, application development in Windows environments, Microsoft web technologies, HTML, JavaScript/jQuery, and a technical bachelor's degree or equivalent.
Visual Studio, ASP, .NET, HTML, JavaScript, jQuery, Microsoft Exchange APIs, Microsoft Office Add-ins, COM, Visual Studio Tools for Office, Microsoft Azure, Windows
2mo
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Java Web Application Developer
Greenwich, Connecticut, United States
HybridFull Time
3+ YOEMaster's in CS or related, 3+ years web application development, knowledge of Oracle/PL/SQL and Java, experience with Spring (Boot/MVC), SPA frameworks (Angular/Vue.js), HTML5/CSS3/TypeScript, Bitbucket/Gerrit, Gradle, UNIX/Linux; familiarity with AI-assisted coding tools.
Oracle, PL/SQL, Java, Spring Framework, Spring Boot, Spring MVC, Angular, Vue.js, HTML5, CSS3, TypeScript, Bitbucket, Gerrit, Gradle, Claude Code, UNIX, Linux
3mo
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HL7 Application Developer
Queens, New York, United States
$80k-$123k/yr HybridFull Time
3+ YOEFull stack development experience; DOT.NET C# with Visual Studio; SQL Server/SSIS; RESTful API; HL7/FHIR data exchange; health data systems; strong communication; independent and collaborative work style.
.NET C#, Visual Studio, SQL Server, SSIS, Stored Procedures, RESTful API, HL7, FHIR, Python, Microsoft Office Suite
1d
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Android Application Engineer
New York, New York, United States
$180k-$220k/yr HybridFull Time
3+ YOERequires 3+ years of Android development in Kotlin and/or Java, Android architecture, real-time data rendering, networking, performance profiling, memory management, and on-device debugging.
Kotlin, Java, MVVM, UDP, TCP, WebSockets, HTTP, RTSP, WebRTC, DJI, Autel, Bluetooth, USB
1w
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Intern Application Developer 2027 – DPE
New York City, New York, United States
$40k-$73k/yr OnsiteInternship, Contract
Currently pursuing a university degree with academic success; requires collaboration, communication, initiative, adaptability, leadership, and exposure to programming, systems development, cloud, or information technology.
Java, C++, Python, Scala, R, SAS, SQL, HTML, SPSS, VBA, Tableau, Oracle Cloud Infrastructure (OCI), REST, SOAP, FBDI, HDL, OTBI, BI Publisher, Power BI, Copilot, ChatGPT
4w
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Application Developer Level 1-5 - PeopleSoft (TCU)
New York City, New York, United States
$57k-$124k/yr HybridFull Time
Hands-on PeopleSoft development (PeopleCode, Application Engine, SQR, BI Publisher, Integration Broker, Component Interfaces), PeopleSoft HCM experience, SQL/PLSQL and Oracle knowledge, Windows/Linux familiarity; role spans levels 1–5 with increasing responsibility.
PeopleCode, Application Engine, Application Packages, Component Interfaces, Integration Broker, SQR, BI Publisher, PeopleSoft HCM, SQL, PLSQL, Oracle, Windows, Linux
5d
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Application Engineer
Danbury, Connecticut, United States
OnsiteFull Time
1+ YOEBachelor's degree in Mechanical or Electrical Engineering and 1–3 years of related experience required. Provides technical guidance, project coordination, product development, and customer support.
2mo
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Senior Application Security Engineer
Los Angeles or New York or San Francisco
$165k-$190k/yr HybridFull Time
Production Python experience, strong hands-on application security (SAST/DAST/SCA), threat modeling, CI/CD automation, container/AWS/Kubernetes security, API security, and LLM risk mitigation.
Python, Java, Rust, AWS, Kubernetes, CI/CD, SAST, DAST, SCA, OWASP Top 10, API Security Top 10, ASVS, SPVS, AISVS, LLM
3w
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Lead Application Security Engineer
San Francisco or New York City or Austin or United States or Canada
$220k-$320k/yr RemoteFull Time
6+ YOE6+ years application security experience, CS/Math/Physics degree, deep knowledge of distributed systems, multi-cloud security, multi-tenant isolation, authorization models, and privacy-adjacent controls.
TypeScript, Go, AWS, Azure, GCP, Okta
2mo
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Epic Tapestry Application Developer
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$48-$58/hr RemoteFull Time, Temporary
5+ YOERequires 5+ years of work experience, healthcare and EHR expertise, Tapestry UM and Claims implementation experience, Tapestry UM Epic certification, and strong workflow and clinical operations knowledge.
Epic, Epic EMR, EHR, Application Lifecycle Management (ALM)
2w
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AI Prompt Engineer / AI Application Engineer
New York City, New York, United States
$100k-$120k/yr HybridFull Time
4+ YOEBachelor's degree in a related field, 4+ years of software engineering, and 2+ years developing AI-powered applications or generative AI solutions. Requires full-stack, prompt engineering, LLM, and cloud development skills.
React.js, JavaScript, TypeScript, HTML5, CSS3, Python, Flask, REST APIs, SQL Server, PostgreSQL, MySQL, Oracle, OpenAI Codex, GPT, Claude, Gemini, Microsoft Copilot Studio, Git, GitHub, Azure DevOps, CI/CD
2mo
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Senior Application Security Engineer
United States or Canada or San Francisco or New York City or Seattle
$190k-$273k/yr RemoteFull Time
5+ YOE5+ years software engineering or application security experience; strong coding skills (Ruby, Python), Linux and GCP familiarity, deep AppSec/vulnerability management, pen-testing and SAST experience, AI security, and strong communication.
Ruby, Python, Linux, GCP, SAST
2mo
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Staff Application Security Engineer
San Francisco or New York City or Pittsburgh
$228k-$290k/yr HybridFull Time
10+ YOE10+ years in application security, expertise in threat modeling, secure code review, vulnerability management, incident response, programming (Python, NextJS), cloud security (GCP), Kubernetes, and AI/ML security; strong communication and leadership skills.
Python, NextJS, GCP, Kubernetes
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