3,391 developer jobs at 996 companies in Mount Joy, PA
1mo
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Junior Developer
Paradise, Pennsylvania, United States
$28-$34/hr OnsiteFull Time
Experience with API integration, databases, and coding in multiple languages (preferably PHP, Python, JavaScript). Familiarity with Jira, Git, Trello, QuickBase/Zoho, and comfortable using AI-assisted development tools.
PHP, Python, JavaScript, GitHub Copilot, Jira, Git, Trello, QuickBase, Zoho, Sage Intacct, REST APIs
2mo
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Experience with industrial/ manufacturing software (MES/IIoT), industrial controls and PLC platforms; development using Python, Java, JavaScript, or Microsoft .NET; database familiarity (Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB); practical use of GitHub Copilot/Claude and LLM concepts.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, MES, IIoT, PLC, Rockwell, Siemens, Aveva/Wonderware, GE, MQTT, Microsoft Azure DevOps, AWS, Node-Red, Docker, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, Inductive Ignition, Sepasoft, Cirrus Link Solutions
2mo
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Experience in manufacturing software (Information/MES/IIoT), industrial controls and PLCs, network design and virtualization; advanced development with Python/Java/JavaScript/Microsoft .NET; DB familiarity and use of GitHub Copilot/Claude.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, MQTT, Azure DevOps, AWS, Node-Red, Docker, Ignition, Sepasoft, Cirrus Link Solutions, Rockwell, Siemens, Aveva/Wonderware, GE
3w
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Developer, Applications
Westminster or Crawfordsville
$70k-$85k/yr OnsiteFull Time
2+ YOECollege degree or equivalent with 2+ years IT development/support experience; experience with ERP/WMS/TMS; strong Oracle PL/SQL, Linux, Python, JavaScript, and Git skills; barcode and API knowledge.
Oracle, PL/SQL, Linux, Python, HTML, JavaScript, Perl, C, TCP/IP, API, Git, VS Code
2w
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Software Developer
Exton or Philadelphia
RemoteFull Time
5+ YOE5+ years professional software development experience with C# and .NET; experience with React, TypeScript, SQL Server, PostgreSQL, Docker, testing tools, and CI/CD; bachelor's degree or equivalent experience preferred.
C#, .NET, React, SQL Server, PostgreSQL, ASP.NET Core, Entity Framework Core, TypeScript, Testcontainers, Playwright, Docker, Docker Compose, GitHub Actions, xUnit, Bicep, Azure Container Apps, Kubernetes
1mo
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CRM Developer
Cockeysville or Hunt Valley
$115k-$125k/yr HybridFull Time
5+ YOEBachelor's in CS/IS, 5+ years software engineering/CRM development (3+ years Dynamics 365), strong .NET/C#, SQL, JavaScript/TypeScript, Power Platform, Azure, REST/SOAP integrations, and collaboration skills.
Microsoft Dynamics 365 CRM, Microsoft Dataverse, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, .NET, C#, SQL Server, T-SQL, JavaScript, TypeScript, HTML, CSS, REST APIs, SOAP, Azure Functions, Logic Apps, Service Bus, Azure DevOps, Git, Microsoft Graph, Microsoft Entra ID (Azure AD), Angular, React, CI/CD, Codex, ChatGPT, CoPilot, Foundry
3d
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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
3w
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Software Developer II
New Holland or Pennsylvania or Ohio or South Dakota
OnsiteFull Time
Develop, implement, and maintain insurance systems; integration, web services, data mapping, automated testing; college degree or comparable experience in web or computer technologies required.
6d
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Engineer II
Newark or Indianapolis
HybridFull Time
4+ YOEBachelor's degree or equivalent,4+ years developing enterprise applications using Python and SQL,experience with APIs, integrations, MuleSoft, rules engines, CI/CD,Azure DevOps;strong analytical and communication skills.
Python, SQL, MuleSoft, Camunda, Drools, DMN, Azure DevOps, AWS, Snowflake
1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
7+ YOEBS in CS/Software Eng or equivalent, 7+ years software development experience, DoD Top Secret/SCI eligibility, experience with Python, containers, AI/LLMs, databases, Linux, AWS, and Agile/Scrum.
LLMs, Ollama, LM Studio, Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash, TensorFlow, PyTorch, SQL, MongoDB, PostgreSQL, Redis, Linux, AWS, RESTful API, Agile/Scrum
3w
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Design Engineer
New Holland, Pennsylvania, United States
$75k-$114k/yr HybridFull Time
Contribute to product design and development within an international R&D environment; collaborate across teams to deliver innovative equipment solutions.
4w
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Sr. Software Developer
Mechanicsburg, Pennsylvania, United States
$100k-$105k/yr OnsiteContract
10+ YOE10+ years professional software development experience; strong expertise with C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript and modern front-end frameworks, SQL/Entity Framework, microservices, messaging, Git; U.S. citizen with current T3 investigation; onsite work required.
C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript, React, Angular, SQL, Entity Framework, NServiceBus, RabbitMQ, Git
3w
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Associate Software Developer
West Chester, Pennsylvania, United States
HybridFull Time
1+ YOE1+ years professional experience in AI/ML and micro-service systems; proficiency with AWS services, Python, C#, ML libraries, and enterprise software development practices.
SageMaker, Lambda, EC2, S3, EFS, SNS, SQS, EventBridge, Kinesis, Aurora, DynamoDB, RDS Proxy, Glue, Athena, Redshift, AWS Step Functions, AWS CodePipeline, Python, TensorFlow, PyTorch, scikit-learn, C#, PowerShell, SQL, JavaScript, UML, Docker, Git, GitHub, Jenkins, Bamboo, TeamCity, SpecFlow, Cucumber, Protobufs, Thrift, Avro, JSON, ODBC, Kafka, Angular, React
1w
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Salesforce Solutions Developer
Lancaster, Pennsylvania, United States
$73k-$121k/yr RemoteFull Time
5+ YOEBachelor's or equivalent; 5+ years application development; 3+ years Salesforce Lightning, LWC, Flows, APEX; experience with FSC/Marketing/Data Cloud; preferred CI/CD and nCino experience.
Salesforce Lightning, Lightning Web Components, Flows, Flow Builder, APEX, APEX Tests, Financial Services Cloud, Marketing Cloud, Data Cloud, Copado, Gearset, SF DX, nCino
2mo
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API Developer/Programmer
Aberdeen Proving Ground, Maryland, United States
$90k-$150k/yr OnsiteFull Time
2+ YOEBachelor's degree in a technical field and 2+ years experience. Experience with web/API development, MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java, cloud/containerization, information systems security, and Agile.
MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java
1w
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Senior Software Developer (NLP)
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEUS citizen with Secret clearance; bachelor’s degree with 5 years relevant software development experience (or 8 years experience); experience integrating NLP into production, proficiency in modern programming languages and mission-critical systems.
Python, C++, Java, C#, Go, Docker, Kubernetes, transformer-based frameworks, vector databases, LLM APIs
3d
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Power Platform Developer
Mechanicsburg, Pennsylvania, United States
OnsiteFull Time
2+ YOE2+ years building Microsoft Power Platform solutions; ability to design, develop, test, and deploy Power Apps/Automate/BI; Position of Trust clearance and US citizenship required; strong communication skills.
Microsoft Power Platform, Power Apps, Power Automate, Power BI, Dataverse, Microsoft Azure DevOps
1mo
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DevSecOps Engineer
Sparks, Maryland, United States
$96k-$153k/yr OnsiteFull Time
5+ YOEBachelor's in CS or STEM,5+ years software development,DevOps and CI/CD experience,experience with Terraform/IaC,cloud platforms (AWS/Azure/GCP),containerization,security tooling,proficiency in C# and Python.
Terraform, OpenTofu, Arm, Bicep, Ansible, Pulumi, Jenkins, GitLab CI, CircleCI, AWS, Azure, Google Cloud, Docker, Kubernetes, SonarCloud, OWASP ZAP, C#, Python, SQL, PowerShell
1w
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Software Engineer (Engineer Software 3) - 29586
Aberdeen Proving Ground or United States
$97k-$104k/yr HybridFull Time
5+ YOE5+ years experience (Bachelors) developing C++ simulation software; ability to obtain TS/SCI clearance; experience with agent-based modeling, space domain concepts, and code review practices.
Confluence, Discourse, GitLab, Jira, C++, Python
1w
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Salesforce Solutions Developer
Lancaster, Pennsylvania, United States
$73k-$121k/yr RemoteFull Time
5+ YOEBachelor's in CS or equivalent,5+ years application development,3+ years Salesforce (Lightning,LWC,Flows,APEX),experience with Financial Services Cloud/nCino,CI/CD tools (Copado,Gearset,SF DX);preferred Salesforce certs.
Salesforce Lightning, Lightning Web Components, Flows, Flow Builder, APEX, Financial Services Cloud, Marketing Cloud, Data Cloud, Copado, Gearset, SF DX, nCino
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