101 application development jobs at 72 companies in York, PA

3mo
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Application Development Analyst
Harrisburg, Pennsylvania, United States
HybridFull Time
Penn National Insurance
Penn National Insurance: Mutual property and casualty insurance for individuals and businesses
4+ YOEDevelop, maintain complex business systems; collaborate with clients; strong SQL Server, C#, .NET, SSIS/SSRS, and GIT; excellent communication.
GIT, C#, .NET, VB.NET, ASP.NET, SQL Server, SSIS, SSRS, BizTalk
1mo
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Mechanical Application Development Engineer
Yocumtown or Valley Green
OnsiteFull Time
Amphenol
AmphenolNYSE: APH: Manufactures electronic and fiber optic connectors and interconnect systems.
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)
3w
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Application Programmer, Senior
Mechanicsburg, Pennsylvania, United States
$100k-$105k/yr OnsiteContract
Connected Logistics
Connected Logistics: Provides IT and logistics services for government defense agencies.
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
1w
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Application Specialist_IT
Lancaster County, Pennsylvania, United States
HybridFull Time
Ecore
Ecore: Produces high-performance surfaces from reclaimed rubber materials.
3+ YOE3+ years IT/application development experience; associate degree required (bachelor's preferred); experience with C#, Java, PowerShell, SQL Server, REST APIs, SharePoint Online, Power Platform, and Microsoft 365; strong communication and problem-solving.
SharePoint Online, Power Platform (Power Apps, Power Automate, Power BI), Salesforce, C#, Java, PowerShell, SQL Server, REST APIs, HTML, CSS, JavaScript/TypeScript, Azure, ASP.NET MVC, Angular, Visual Studio, Microsoft 365
2mo
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Software Development Manager
New Holland, Pennsylvania, United States
OnsiteFull Time
Goodville Mutual Casualty Company
Goodville Mutual Casualty Company: Provides property and casualty insurance for homes and businesses.
8+ YOE3+ MgmtLeads and evolves application development with focus on people leadership, engineering practices, and lifecycle excellence; drives AI integration and Agile alignment.
1d
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Application Developer (Senior)
Baltimore, Maryland, United States
OnsiteFull Time
RightDirection Technology Solutions
RightDirection Technology Solutions: Provides IT and management consulting services to federal agencies.
3+ YOE3+ years computer experience; Bachelor's degree or five years equivalent; experience with Angular and Angular testing frameworks (Jasmine,Karma); code reviews and CI/CD practices.
Angular, Jasmine, Karma
4w
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Full-Stack Application Developer
Arlington or Baltimore or United States
RemoteFull Time
Tria Federal
Tria Federal: Provides digital transformation and technology services to federal agencies.
8+ YOEUS-based candidate with a bachelor’s degree, ability to obtain Public Trust clearance, 8+ years building large-scale enterprise applications, strong Java/Spring microservices, API, cloud (AWS) and DevSecOps experience.
Java, Spring Framework, Spring Boot, SQL, PostgreSQL, MySQL, AWS Aurora, XML, JSON, REST, SOAP, EC2, EKS, ECS, RDS, S3, Lambda, Secrets Manager, CloudWatch, Git, GitHub, GitHub Actions, Harness, Jenkins, ArgoCD, SonarQube, Checkmarx, Twistlock, Gradle, npm, webpack, gulp, grunt, React, Angular, Vue, Docker, Kubernetes, Splunk, New Relic, Apache ActiveMQ, Apache Kafka, Node.js, Python, Oracle, SQL Server, MongoDB, DocumentDB, DynamoDB, Chai, Jest, Jasmine, Karma, Cypress, Terraform, AWS CloudFormation, AWS CDK, Pulumi, EMR, SageMaker, Azure, Google Cloud Platform, Lucidchart, Mural, Jira, Confluence, UML
1w
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Contract Associate Development Engineer
Hunt Valley, Maryland, United States
$82k/yr OnsiteContract, Full Time
Sinclair
SinclairNASDAQ: SBGI: Operates television stations and produces news and sports programming
0.5+ YOEBachelor's in CS or equivalent experience, ~6 months application/web development, proficiency with JavaScript/Java/Node.js/React/Python/SQL/NoSQL, familiarity with CI/CD and cloud-native architectures.
JavaScript, Java, Express, Node.js, MySQL, MongoDB, Mongoose, Python, ReactJS, jQuery, HTML5, CSS, CI/CD, IAC, AWS, Databricks, Docker, Kubernetes, Terraform
3w
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Web Application Developer, Maryland Coordination and Analysis Center
Baltimore, Maryland, United States
$110k-$125k/yr OnsiteFull Time
University of Baltimore
University of Baltimore: Provides undergraduate, graduate, and professional education in Baltimore.
3+ YOEBachelor's degree (or equivalent experience),3+ years developing enterprise web applications; proficiency with C#, ASP.NET Core, Microsoft SQL Server, T-SQL, JavaScript, HTML/CSS; ability to obtain top-secret clearance.
Microsoft Visual Studio, C#, ASP.NET Core, Razor Pages, JavaScript, HTML, CSS, Microsoft SQL Server, T-SQL, jQuery, Bootstrap, Git, Microsoft Internet Information Services (IIS)
2mo
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Open Application
London or Sydney or San Sebastián or Maryland
HybridFull Time
Quantum Motion
Quantum Motion: Develops scalable quantum processors using silicon-based technology.
1+ YOEInterest in quantum technologies; relevant experience in your field; curiosity, collaboration, and problem-solving mindset.
1w
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Application Engineer
Hanover, Pennsylvania, United States
OnsiteFull Time
ESAB
ESABNYSE: ESAB: Manufacturer of industrial welding, cutting, and gas control equipment.
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
1d
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AGRIBUSINESS DEVELOPMENT COORDINATOR
Cecil County, Maryland, United States
$29-$41/hr OnsiteFull Time
Cecil County Government
Cecil County Government: Local government administration providing public services and infrastructure management.
Application deadline 2026-08-11. Salary range $29.04–$40.90. Open to internal and external candidates.
3w
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.NET Application Support Engineer
Ashburn or Harrisburg or Pennsauken
OnsiteFull Time
TransCore
TransCore: Provides electronic tolling and intelligent traffic management solutions.
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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Automotive Application Engineer
Lyon Station, Pennsylvania, United States
OnsiteFull Time
East Penn Manufacturing
East Penn Manufacturing: Manufactures lead-acid batteries and energy storage products.
Provide engineering support across functions, lead technical reviews, manage product development projects, communicate technical information to customers and partners, and travel worldwide up to ~25%.
1d
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ERP Application Developer
St. Louis or Leetonia or Wellsville
$100k-$120k/yr HybridFull Time
Pennex Aluminum
Pennex Aluminum: Manufacturer of custom aluminum extrusions and fabricated components.
Hands-on D365 and X++ development experience, Visual Studio, source control, DevOps pipelines, integrations, strong problem-solving and communication skills; must be eligible to work in the U.S.
Microsoft Dynamics 365 Finance & Supply Chain, X++, Visual Studio, Power BI, Electronic Reporting, SSRS, Data Lake, Fabric, C#, JavaScript, T-SQL, WCF, Outlook, Excel, CodeX, Claude, Microsoft Power Platform
1w
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Application Configuration Analyst - IT Transmission Systems & Compliance
Akron or Greensburg or Reading or Fairmont
RemoteFull Time
FirstEnergy
FirstEnergyNYSE: FE: Provides electric power distribution and transmission services to customers.
Bachelor's in CS/IS/EE or equivalent experience; software development and integration experience (C#,C++, .Net,Python,REST API,SQL); Oracle and enterprise application support; ability to troubleshoot production systems and provide 24x7 support.
Oracle OPPM, Unifier, P6, Hexagon EcoSys, SAGE Estimating, C#, C++, .Net, Python, REST API, SQL, Oracle, SQL Server, Oracle WebLogic, Azure Dev Ops
1mo
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Development Manager
Baltimore, Maryland, United States
$140k-$150k/yr OnsiteFull Time
Erickson Senior Living
Erickson Senior Living: Operates campus-style retirement communities with comprehensive senior care services.
10+ YOE10+ years real estate and construction experience with minimum 3 years in senior living; experience managing budgets, change orders, RFIs/submittals, pay applications, punch lists, and construction quality.
1w
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Cloud Development Engineer
Aberdeen Proving Ground, Maryland, United States
$90k-$190k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
Experience developing Java enterprise applications, Azure cloud deployment and sustainment, containerization, RHEL/Ubuntu/Windows deployment, CompTIA Security+, active DoD Secret clearance, and ability to perform technical presentations.
Azure, RHEL, Ubuntu, Windows, Java, Quarkus, Jakarta EE, Spring, Docker, Kubernetes, AWS
2mo
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Application Security Engineer (REMOTE) (Anytown, PA, US, 19605)
Anytown, Pennsylvania, United States
$117k-$147k/yr RemoteFull Time
EnerSys
EnerSysNYSE: ENS: Global provider of industrial batteries and stored energy solutions.
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
2w
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Senior Full-Stack Microsoft Application Developer
Catonsville or Baltimore
$70k-$80k/yr HybridFull Time
JASINT
JASINT: Providing cybersecurity and technical services for national security missions.
3+ YOE.NET (Core/6/8) and C# experience, REST API integration, JSON/XML handling, OAuth2 auth, SQL Server/Oracle proficiency, async programming, logging and resiliency patterns.
.NET Core, .NET 6, .NET 8, C#, HttpClient, RestSharp, System.Text.Json, Newtonsoft.Json, SQL Server, Oracle, Entity Framework Core, Dapper, Git, Postman, Polly, Serilog, NLog, Docker, Azure WebJobs, Windows Task Scheduler, OAuth2