844 junior developer jobs at 360 companies in Dover, 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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Junior CRM Data Migration Developer
Middletown, Pennsylvania, United States
OnsiteContract
5+ YOE3+ years KingswaySoft and Dynamics CRM/365 experience, 5+ years SQL Server and SSIS development, ETL/data mapping and validation, experience migrating structured and unstructured data, strong analytical and communication skills.
KingswaySoft, Microsoft SQL Server Integration Services (SSIS), SQL Server, Microsoft Dynamics CRM/365, Azure DevOps
1mo
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Junior R&D Ceramics Engineer
York, Pennsylvania, United States
OnsiteFull Time
Bachelor's degree in Materials Science/Geology/Chemistry, hands-on lab or manufacturing experience (employment/internship/co-op), familiarity with refractory/ceramics testing, Microsoft 365 skills, strong communication and project management.
Microsoft 365, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
1w
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Junior Network Engineer - Non-Merit
Towson, Maryland, United States
$43-$56/hr OnsiteFull Time
2+ YOEAssociate degree or equivalent experience, 2+ years multi-vendor networking experience (Cisco), knowledge of TCP/IP, LAN/WAN, packet analysis and network security; valid Maryland driver’s license and proof of education/certifications required.
Cisco, ForeScout, Palo Alto
1mo
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Junior Engineer – Defense and Security Assistance
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
2+ YOEBachelor's in engineering, 2+ years engineering experience, ability to obtain/hold Secret clearance, US citizenship required, travel up to 10%, able to lift 50 lbs.
Combat Net Radio (CNR), SMART-T, Night Vision, Microsoft PowerPoint, Microsoft Excel
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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Junior Thermal Research Engineer by Eaton
Lancaster, Pennsylvania, United States
OnsiteFull Time
Support design, modeling, and experimental validation of thermal-fluid management systems using CFD, DOE, DAQ, and data-driven methods; proficiency with Python/MATLAB; must be U.S. Person and live within 50 miles of Lancaster facility.
ANSYS (Fluent, Icepak, Mechanical), Python, MATLAB, DAQ, machine learning
1mo
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Head Junior High Girls Basketball Coach (First Assistant)
Manheim, Pennsylvania, United States
$4k-$9k/yr OnsitePart Time
3+ YOEPrefer 1–3 years coaching experience (3 years preferred), knowledge of basketball skills/strategies, ability to develop practices and lead a junior high girls program; college degree preferred; citizenship/residency or work visa required.
2w
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Contract Associate Development Engineer
Hunt Valley, Maryland, United States
$82k/yr OnsiteContract, Full Time
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
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
1w
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SQL Developer & Analyst
New Holland, Pennsylvania, United States
$70k-$80k/yr OnsiteFull Time
2+ YOE2+ years SQL development experience; proficiency with Microsoft SQL Server/T-SQL, .Net (C#, VB), JavaScript, html, TypeScript, and Crystal Reports; bachelor's in Information Systems/Computer Science or equivalent; ERP experience; travel to Ohio required.
.Net (C#, VB), JavaScript, html, typescript, Crystal Reports, SQL, Microsoft SQL Server, T-SQL, Windows Server, Macola ES, ERP
1w
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Software Engineer - Secret required
Aberdeen, Maryland, United States
$112k-$196k/yr OnsiteFull Time
Design, develop, and maintain scalable software and integrations for defense customers; active Secret clearance required; bachelor’s degree in a quantitative field; strong programming and problem-solving skills.
MOSA, ISA, Agile, DEVOPS/DEVSECOPS
5d
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Developer
York, Pennsylvania, United States
$46k/yr OnsiteFull Time
0.5+ YOEMinimum 6 months development experience or county IT employment; familiarity with Microsoft development tools, SQL, Java/JavaScript, HTML/CSS, Python, C#/C/.NET, PHP, SDLC, Agile, version control, and CI/CD; valid driver’s license and criminal background check/fingerprinting required.
Microsoft development tools, SQL, code repositories, Java, JavaScript, HTML, CSS, Python, C#, C, .NET, PHP, SDLC, Agile, version control systems, CI/CD pipelines
2d
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Student Associate - Junior Enterprise Site Support Engineer
York or Reno
OnsitePart Time
Working knowledge of computer hardware, software, Microsoft Windows, Microsoft 365, Azure, Active Directory, and Windows Server; troubleshooting, communication, and customer service skills required.
Microsoft Windows, Microsoft 365, Exchange, Microsoft OneDrive, Microsoft Teams, Microsoft Office, Azure, Azure Active Directory, Active Directory, Windows Server, Microsoft Intune
3w
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Mechanical Engineer
Lancaster, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's in Mechanical Engineering,5+ years electromechanical product development experience,MCAD/ECAD fluency (Creo preferred),GD&T,simulation,design for manufacturability,mentoring junior engineers.
Creo, GD&T
4w
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Jr. Software Developer
Mechanicsburg, Pennsylvania, United States
$70k-$80k/yr HybridFull Time
Bachelor's or equivalent experience; understanding of OOP, web dev, relational databases; exposure to C#, VB.NET, .NET, JavaScript, SQL; Git experience; U.S. citizen with current T3 investigation; ability to work onsite three days/week.
C#, VB.NET, .NET, .NET 8, JavaScript, SQL, Git, React, Angular, jQuery, SQL Server, Entity Framework, APIs
1mo
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Web Developer Internship
Harrisburg, Pennsylvania, United States
$22/hr OnsiteInternship
0+ YOEBachelor's in progress or completed (GPA 3.4+); classroom coding skills expected; familiarity with PHP/MySQL, LAMP stack, IDEs (Eclipse), CMS (WordPress); strong communication and eagerness to learn.
Wordpress, PHP, MySQL, LAMP, Eclipse
1mo
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Full Stack Developer (AI)
Woodlawn or United States
RemoteFull Time
1+ YOEU.S. citizenship required for security clearance. 1+ years building/deploying full-stack applications with Node.js; experience with modern UI frameworks (Angular preferred); experience with AI/agentic systems and cloud services.
Node.js, React, Angular, Vue, Svelte, AWS Connect, Lex, Lambda, S3, Cloudwatch, js with Typescript, PostgresSQL, Terraform, ServiceNOW, Docker
3d
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Software Engineer I
Aberdeen, Maryland, United States
$60k-$75k/yr HybridFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEBachelor's degree in computer science or similar, 1–5 years of programming experience, proficiency in Java, C/C++, Python, or JavaScript, and ability to obtain or hold a current DoD clearance.
Java, C, C++, Python, JavaScript, Windows, Linux, Android, Node.js, Vue.js, UML
1mo
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Software Engineer I
Hartford or Atlanta or St. Paul or Hunt Valley
$99k-$163k/yr HybridFull Time
2+ YOEBachelor's in computer science or related STEM (or equivalent), 2+ years software engineering experience, strong OOP and SDLC knowledge, problem-solving, collaboration, and eagerness to learn Salesforce.
Salesforce
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