106 application developer jobs at 71 companies in Mount Joy, PA
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Application Engineer - II
Malvern, Pennsylvania, United States
HybridFull Time
Proficiency with Python/Node.js/Angular/SQL and AWS; hands-on experience in agile application development, APIs, CI/CD, automated testing, observability, and production support; undergraduate degree or equivalent.
AWS, Python, Node.js, Angular, SQL, APIs, CI/CD, automated testing, Confluence, JIRA, Git, GitHub Enterprise, Claude Code
2w
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Application Engineer
Hanover, Pennsylvania, United States
OnsiteFull Time
Provide technical support for sales, develop/qualify welding solutions, support product introductions, read blueprints, qualify procedures to AWS/ASME, and travel domestically (~50%).
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, AutoCad
2mo
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Application Engineer
East Petersburg, Pennsylvania, United States
$65k-$90k/yr OnsiteFull Time
0+ YOEBS in mechanical or electrical engineering; 0-5 years engineering experience; knowledge of HVAC/Ventilation; proficiency with Excel; strong communication; self-starter; not a remote role.
2mo
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Application Engineer
Salt Lake City or Bowmansville
OnsiteFull Time
7+ YOEBachelor preferred; 7+ years in a similar field; aftermarket automotive system design experience preferred; hydraulic and pneumatic systems experience preferred.
AutoCAD, 3D modeling, CAD, 3D layouts
2mo
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Application Engineer
Salt Lake City or Bowmansville
OnsiteFull Time
7+ YOEBachelor's degree preferred; minimum seven years of experience; aftermarket automotive system design and hydraulic/pneumatic experience preferred.
AutoCAD, 3D modeling
1mo
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Application Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
Technical degree (2-year minimum), experience with sensors and controls, technical support experience preferred, strong verbal/written communication, ability to learn cutting-edge sensor technologies.
Webchat, Microsoft Teams
2w
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Application Engineer
York, Pennsylvania, United States
RemoteFull Time
2+ YOEBachelor's in EE/CE or equivalent,2+ years in industrial networking/automation,strong knowledge of industrial protocols,excellent problem-solving and communication skills.
PROFINET, EtherNet/IP, EtherCAT, Modbus, Python, C/C++
1mo
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.NET Application Support Engineer
Ashburn or Harrisburg or Pennsauken
OnsiteFull Time
3+ YOE3+ years supporting or developing .NET applications, strong C# debugging, PowerShell scripting, IIS management, T-SQL/MS SQL proficiency, and experience with monitoring and automation; bachelor’s degree or equivalent.
C#, .NET Core, .NET Framework, ASP.NET MVC, Web API, PowerShell, IIS, T-SQL, Microsoft SQL Server, Event Viewer, Serilog, Log4Net, Azure, Google, AWS, Docker, Azure DevOps, Jenkins, GitHub Actions, Jira
1mo
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Senior Application Engineer I
Middletown, Pennsylvania, United States
HybridFull Time
7+ YOEBachelor's in engineering, 7+ years application or network engineering experience, deep Industrial Ethernet and network architecture knowledge, IEC/ISA 62443 familiarity, relevant networking/security certifications preferred, willingness to travel up to 30%.
Industrial Ethernet, IDS/IPS, next-generation firewalls, log collection, SCADA systems, CRM, cloud platforms, IEC/ISA 62443, IEC 61850
2mo
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Application Security Engineer
Harrisburg, Pennsylvania, United States
OnsiteFull Time
3+ YOEDesigns and implements secure software practices; assesses application security; supports SDLC; proficient in at least one programming language; familiar with OWASP Top 10; experience with security assessments and vendor security.
OWASP, OAUTH, ADFS, PowerShell, Python, Perl, Java, .NET, C#, SIEM, Security
3w
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Industrial Sales Engineer / Application Engineer (Manufacturing)
New Freedom or Pennsylvania or Virginia or Maryland
HybridFull Time
0+ YOEBachelor's in engineering or related field, 0–5 years technical or application experience, valid driver’s license, willingness to travel regionally 3–4 days/week, ability to lift up to 50 lbs, Microsoft Office proficiency.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
1mo
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Automotive Application Engineer
Lyon Station, Pennsylvania, United States
OnsiteFull Time
Provide engineering support across manufacturing, quality, sales; lead technical reviews and projects; travel up to ~25%; strong communication, leadership, and collaboration skills.
3d
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Principal Application Engineer (hybrid)
New Freedom or San Antonio or York or Baltimore
$90k-$120k/yr HybridFull Time
3+ YOEBachelor's degree, 3+ years experience (HVAC or chiller technology preferred), knowledge of refrigeration principles, up to 15% travel.
1mo
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Mechanical Application Development Engineer
Yocumtown or Valley Green
OnsiteFull Time
2+ YOEBS in Mechanical (or Electrical/Electronic) Engineering, 2+ years product development experience, experience with high-speed connectors and cable assemblies, strong communication, analytical and problem-solving skills, ability to produce drawings/BOMs and execute FEA/tests.
Finite Element Analysis (FEA)
2mo
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Account Application Engineer
Pittsburgh or Harrisburg
HybridFull Time
BS in Engineering; travel ~30%; strong communication; CAD experience; MS Office; valid driver’s license; ability to lift 25 lbs; customer-focused; problem solving.
Microsoft Office, CAD software
3mo
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Application Security Engineer (REMOTE) (Anytown, PA, US, 19605)
Anytown, Pennsylvania, United States
$117k-$147k/yr RemoteFull Time
5+ YOE5+ years in information security with 3+ years in application security, secure development, or DevSecOps; strong knowledge of OWASP and secure SDLC; hands-on with security testing tools; cloud security experience; ability to collaborate across teams.
Burp Suite, Fortify, Checkmarx, Veracode, ZAP, SAST, DAST, SCA, IaC scanning, Container security
3w
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Thermal Application Engineer- Data Center
Junction City or West Chester
OnsiteFull Time
5+ YOE5+ years in data center cooling or thermal/HVAC engineering, bachelor's in mechanical/thermal engineering, expertise in liquid cooling, airflow, ASHRAE TC9.9, supplier collaboration, CFD and thermal simulation.
6SigmaDCX, ANSYS Icepak, FloTHERM, BMS, DCIM
1mo
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Application Programmer, Senior
Mechanicsburg, Pennsylvania, United States
$100k-$105k/yr OnsiteContract
10+ YOEBachelor's in CS or related, 10+ years software development, experience with low-code/no-code platforms (Appian, Salesforce, Nintex), Java/.NET/AngularJS/JavaScript, APIs, BPMN, AI-enabled tools, and a favorable Tier 3 Secret clearance.
Java, HTML, Microsoft .NET, .NET, AngularJS, JavaScript, SOAP, REST API, Appian, Salesforce, Nintex, Microsoft SQL Server, BPMN, AI
2mo
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Application/Agentic AI Engineer
Aberdeen, Maryland, United States
HybridFull Time
3+ YOE3+ years in software engineering or AI integration; BS in CS/Software/ Data/IS; proficient in Python/JS/TS/Java; API/microservice experience; LLMs and AI orchestration familiarity; cloud-native with Docker/Kubernetes; SDLC/DevSecOps/CI/CD; Git; strong problem-solving; active security clearance.
Python, JavaScript, TypeScript, Java, APIs, Microservices, Data services, Docker, Kubernetes, Git, CI/CD, SDLC, DevSecOps
2d
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Applications Developer 2
Harrisburg or Dauphin County
$69k-$105k/yr HybridFull Time, Temporary
2+ YOERequires a bachelor's degree in information technology, or qualifying IT experience, application development or maintenance experience, or an associate's degree with relevant experience.
Microsoft .NET, Microsoft .NET 6, Microsoft .NET 7, Microsoft .NET 8, Visual C#, VB.NET, ASP.NET, SQL Server
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