48 javascript developer jobs at 34 companies in Dover, PA
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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
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
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
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
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
3w
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Senior UI Developer
Woodlawn or United States
HybridFull Time
7+ YOE7+ years front-end experience; strong HTML5,CSS3,Sass/SCSS, JavaScript, TypeScript, Angular; experience with Figma, SLDS, accessibility, AI-assisted tools; US citizenship and ability to be onsite one day/week.
Figma, HTML5, CSS3, Sass/SCSS, JavaScript, TypeScript, Angular, Salesforce Lightning Design System (SLDS), AI-assisted development tools
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
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
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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
1mo
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Senior ServiceNow Developer
Baltimore or Woodlawn
$90k-$176k/yr OnsiteFull Time
8+ YOE5+ MgmtExperienced ServiceNow developer with 8+ years, technical leadership, solution architecture, AWS experience, Public Trust eligibility, REST/SOAP and web dev skills, and multi-module ServiceNow expertise.
ServiceNow, AWS Cloud Management Platform, X-HTML, CSS3, SQL, XML, Angular, JavaScript, PHP, .NET, Java, REST, SOAP, SAML, Active Directory, LDAP
3w
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Developer, Applications
Westminster, Maryland, United States
$70k-$85k/yr OnsiteFull Time
2+ YOE2+ years IT development/support experience, Oracle/PL/SQL, Linux shell scripting, Python/HTML/JavaScript/Perl/C, Git and VS Code experience; strong analytical and problem-solving skills.
PL/SQL, Linux, Python, HTML, JavaScript, Perl, C, TCP/IP, Git, VS Code, API
2mo
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Software Engineer - Fulton, MD
Fulton, Maryland, United States
$79k-$237k/yr OnsiteFull Time
Bachelor's degree in CS, CE, or EE; SDLC experience; proficient in Python, Java, HTML, JavaScript; Windows/Linux APIs; client/server architecture; strong analytical and communication skills; self-motivated and able to work with minimal supervision.
Git, Jenkins, Python, Java, HTML, JavaScript, Windows API, Linux API, Client/Server Architecture
1mo
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Test Automation Engineer(Web)
Alexandria or Aberdeen or Picatinny
HybridFull Time
3+ YOE3+ years test automation experience building automated test suites for web apps and APIs; experience with Selenium/Cypress, CI/CD, Docker/Kubernetes; programming in Java or JavaScript; secret clearance required.
Selenium, Cypress, TestNG, GitLab, JIRA, Docker, Kubernetes, Java, JavaScript, Cucumber, Gherkin, Git, Postman, REST Assured, SoapUI, Maven, Gradle, NPM, JMeter, SQL
5d
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ServiceNow Developer Job
Lancaster, Pennsylvania, United States
$105k-$134k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent; 3+ years ServiceNow development experience (SPM/PPM preferred); ServiceNow CSA required/strongly preferred; proficiency in JavaScript, Integration Hub, REST/SOAP, and Microsoft Office.
ServiceNow, ServiceNow Strategic Portfolio Management (SPM), Service Portal, Flow Designer, Integration Hub, Business Rules, Client Scripts, UI Policies, UI Actions, Script Includes, ACLs, Notifications, JavaScript, Glide API, GlideRecord, GlideAjax, GlideSystem, REST, SOAP, MID Server, HTML, CSS, Jelly, AngularJS, Microsoft Office
6d
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Mid-Level Full Stack Software Developer
Belcamp, Maryland, United States
$65-$75/hr RemoteContract
3+ YOEBachelor's in CS or related and 3+ years experience; experience with MySQL/MariaDB, JavaScript/NodeJS, Angular/React, Azure or AWS; eligible for U.S. Secret clearance and U.S. citizenship required.
MySQL, MariaDB, JavaScript, NodeJS, HTML, CSS, Angular, React, Azure, AWS
1w
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Principal Software Engineer
Lititz or United States
OnsiteFull Time
12+ YOE12+ years software engineering experience; expert in scalable distributed systems, full-stack development, front-end frameworks, cloud-native apps, and technical leadership.
Vue.js, TypeScript, JavaScript, HTML, CSS, C#, .NET, Java, AWS, Kafka, Spark, Hadoop, Presto, GitHub Copilot, Claude Code, Codex
1w
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Full Stack Software Engineer II
Baltimore, Maryland, United States
$105k-$125k/yr HybridFull Time
3+ YOEBachelor's in CS or equivalent and 3+ years software engineering; proficiency in Python, JavaScript, Django, Linux, GitLab, Pytest, Jira; experience with REST APIs, TDD, CI/CD, monitoring.
Python, JavaScript, Shell, Linux, Jira, Django, GitLab, Pytest
1mo
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Software Engineer II
Hartford or Atlanta or St. Paul or Hunt Valley
$120k-$199k/yr HybridFull Time
4+ YOEBachelor's degree in CS or related STEM and 4+ years software development experience; experience with object-oriented languages, RESTful APIs, Salesforce preferred, Agile/Scrum experience, and ability to learn new technologies.
Salesforce, Apex, Lightning Web Components, Salesforce APIs, Java, C#, Python, JavaScript, RESTful APIs, Agile, Scrum, Version control systems
2d
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Full Stack Engineer
Boston or Woodlawn or Dallas
$97k-$133k/yr HybridFull Time
1+ YOERequires one year of specialized experience equivalent to GS-11 developing APIs, software applications, and system integrations; collaborating across teams; and demonstrating core IT competencies.
HTML5, CSS3, JavaScript, MySQL, PostgreSQL, MongoDB, Application Programming Interfaces (APIs), USAJOBS, USA Hire, Microsoft Outlook
2mo
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Cloud Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
5+ YOEBachelor's degree in computer engineering or computer science; 5+ years software engineering; 2+ years Linux, Eclipse, Maven, Java; 2+ years in SIGINT/IA/IT domains.
Linux, Eclipse, Maven, Java, Git, AWS, AWS/C2S, Angular, JavaScript, XML, XSD, Pig, Hadoop
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