📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Javascript Developer Jobs in Leola, PA, US
130+ javascript developer jobs from 66 companies hiring in Leola, PA, US.
1mo
Save
Mark Applied
Hide
Software Developer III
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
10+ YOETen years’ experience in design/development; strong HTML/CSS/JavaScript/XML; UX and visual design skills; experience with design tools and web development.
HTML, CSS, JavaScript, XML, Dreamweaver, Photoshop, PowerPoint
1mo
Save
Mark Applied
Hide
Sr. Software Engineer (Level 3)
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Software development with Java/JavaScript, Agile, containerization, and cloud experience.
Java, JavaScript, Node.js, GitLab, Kubernetes, Docker, AWS, OpenStack, OpenShift, Git, CI/CD, PostgreSQL, MySQL, RESTful APIs, Linux, Shell scripting
2w
Save
Mark Applied
Hide
Full Stack Developer
Lebanon, Pennsylvania, United States
$40k-$250k/yr OnsiteFull Time
Experience in full stack development; strong HTML, CSS, JavaScript; backend with Node.js, Python, or Ruby on Rails; databases; Git; problem-solving.
Node.js, Python, Ruby on Rails, JavaScript, HTML, CSS, Git, MySQL, MongoDB
3w
Save
Mark Applied
Hide
Salesforce Senior Developer
Wilmington or Cincinnati or Worthington
$90k-$121k/yr HybridFull Time
5+ YOE5+ years Salesforce development; Bachelor's or equivalent; Salesforce Platform Developer II; multiple tech skills including Apex, LWC, Visualforce, JSON, XML, JavaScript, SQL, Java, C#, C++, SOAP, AWS/Azure; multiple Salesforce certifications.
Apex, LWC, Visualforce, JSON, XML, JavaScript, SQL, Java, C#, C++, SOAP, AWS, Azure, GearSet
1mo
Save
Mark Applied
Hide
Senior Software Developer
Wilmington, Delaware, United States
HybridFull Time
5+ YOE5+ years in software development; strong C#/.NET Core; AWS; SQL Server or PostgreSQL; REST APIs; distributed/microservices; React/JavaScript; Azure DevOps; secure coding practices.
C#, NET Core, React, AWS, SQL Server, PostgreSQL, REST APIs, Azure DevOps, JavaScript
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Malvern, Pennsylvania, United States
HybridFull Time
6+ YOE6-9 years of web app development, Ruby on Rails, JavaScript, REST APIs, PostgreSQL, Linux, and strong problem-solving skills.
Ruby on Rails, JavaScript, Python, PostgreSQL, Linux, Git, REST API, OpenAPI, JSON, XML, Redis, Docker, Kubernetes, Jenkins, JIRA, OAuth2, OIDC, SSL, SSH, SFTP/FTP, GraphQL
3d
Save
Mark Applied
Hide
Senior CRM Analyst/Developer
Middletown, Pennsylvania, United States
HybridFull Time
5+ YOE5+ years Salesforce development with Apex/JavaScript/SOQL; hands-on Salesforce CRM; project management; data integration; strong communication; vendor management.
Salesforce, Apex, JavaScript, SOQL, SQL
1mo
Save
Mark Applied
Hide
1650 - Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
10+ YOE10+ years in software development; 5+ years DoD software support; strong requirements analysis, architecture, and coding skills; Java, Python, C#, and JavaScript; ability to document software; U.S. citizen; Secret security clearance or higher; Bachelor's Science degree.
Java, Python, C#, JavaScript
1mo
Save
Mark Applied
Hide
Lead Software Engineer - Observability Platform Cloud Developer
Wilmington or Columbus
OnsiteFull Time
5+ YOE6+ years of software engineering experience; strong cloud native development; proficiency in Java, JavaScript, React, Python; experience with Kafka, Kubernetes, Microservices, Terraform; CI/CD and automation; knowledge of financial IT systems.
Java, JavaScript, React, Python, Kafka, Kubernetes, Microservices, Terraform, Ansible, ServiceNow, Splunk, Oracle, DynaTrace
3d
Save
Mark Applied
Hide
Embedded Software Engineer
New Freedom, Pennsylvania, United States
$80k-$105k/yr OnsiteFull Time
3+ YOEBachelor's degree; 3+ years embedded software development; C/C++; HTML/CSS/JavaScript; Git/JIRA familiarity; U.S. citizenship or permanent residency required.
C/C++, HTML, CSS, JavaScript, Git, JIRA
1mo
Save
Mark Applied
Hide
Business Applications Developer
Harrisburg, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years development/integration experience; API-driven apps; REST APIs; DB2/SQL Server; C#; PHP; JavaScript; Git.
Microsoft Visual Studio, Visual Studio Code, SQL Server Management Studio, IBM Data Studio, Git
3w
Save
Mark Applied
Hide
Principal Software Engineer
Columbus or Chadds Ford or Plano or Draper or New York or Wilmington
$184k-$492k/yr HybridFull Time
15+ YOE15+ years in software development across full stack, frontend and backend; BS in CS or related field; strong Agile/DevOps focus; experience with Java, JavaScript, AWS, Azure, React, Angular, Flutter; leadership experience.
Agile Methodology, DevOps, Java, JavaScript, Microsoft Azure Functions, Microsoft Azure SQL, Full Stack Development, Amazon Web Services (AWS), React.js, Angular, Flutter
1mo
Save
Mark Applied
Hide
IT Software Developer
Lancaster, Pennsylvania, United States
$70k/yr RemoteFull Time
2+ YOE2-3 years relevant experience; solid C#, .NET, JavaScript frameworks (Vue/Angular); REST APIs; SQL; Azure DevOps; Visual Studio; remote opportunity.
C#, .NET, Web API, HTML, JavaScript, Vue JS, Angular JS, CSS, T-SQL, Azure DevOps Git, Visual Studio, Visual Studio Code, xUnit, Quasar Framework, Angular Material, Microsoft IIS, iOS, Android, JAVA
1w
Save
Mark Applied
Hide
Software Engineer
Alexandria or Edgewood
HybridFull Time
5+ YOESecret clearance preferred; proficient in Java, JavaScript, SQL; BS in CS or software engineering; 5–7 years coding experience; strong communication and teamwork.
Java, JavaScript, SQL
1mo
Save
Mark Applied
Hide
Software Engineer III
Norristown, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's degree in Computer Science or related field; 5 years software development experience; Java/Spring; Oracle 19c; web technologies; 2 years UI JavaScript/CSS/HTML; remote work 2 days/week within commuting distance
Java, Spring Core, Spring Boot, Spring Integration, Oracle, SQL, JavaScript, AJAX, CSS, HTML, JMS, RabbitMQ, SOAP, REST, Jboss
1mo
Save
Mark Applied
Hide
Senior Java Developer
Chicago or Morristown or Wilmington
$79k-$138k/yr HybridFull Time
4+ YOE4+ years enterprise Java, Guidewire InsuranceNow experience, REST/SOAP APIs, SQL, JavaScript/jQuery/Velocity; full SDLC; Agile/Waterfall; BA/Business stakeholder collaboration.
Java, Guidewire InsuranceNow, REST API, SOAP API, SQL, JavaScript, jQuery, Velocity
2mo
Save
Mark Applied
Hide
CPE SETA_Software Engineer III (Graphics Support, Web Designer)
Aberdeen Proving Ground, Maryland, United States
$120k-$130k/yr HybridFull Time
10+ YOEBachelor's degree in CS/Design; 10+ years in web design and development with HTML, CSS, JavaScript; Photoshop/Dreamweaver; able to substitute associate degree with 12+ years.
HTML, CSS, JavaScript, Python, PHP, SQL, Photoshop, Dreamweaver, PowerPoint, UNIX, Windows
3w
Save
Mark Applied
Hide
Software Developer
Blue Bell, Pennsylvania, United States
OnsiteFull Time
3+ YOE3-5 years software development; proficiency in multiple languages; SQL; multi-tier applications; experience with databases; plus knowledge of reporting tools.
VB, VBScript, C++, C#, ASP.Net, Java, JavaScript, Delphi, SQL, Crystal Reports, Business Objects, COM, XML
2mo
Save
Mark Applied
Hide
Software Developer (55390)
Aberdeen, Maryland, United States
$100k-$110k/yr OnsiteFull Time
10+ YOEBachelor's degree and 10+ years in software development; DoD experience preferred; US citizen with active secret clearance.
Java, Python, C#, JavaScript
1w
Save
Mark Applied
Hide
Sr Quality Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years automated testing of web apps; Proficient in Python, JavaScript, or TypeScript; Playwright or Selenium; Cucumber; CI/CD with Jenkins or GitLab; API testing with Postman; strong problem-solving and communication in Agile
Playwright, Selenium, Cucumber, SQL, NoSQL, Locust, Jenkins, GitLab, Postman, Confluence, Prometheus, Grafana, Python, JavaScript, TypeScript, React, Flutter
1mo
Save
Mark Applied
Hide
Lead Software Engineer (Site Reliability)
Malvern, Pennsylvania, United States
HybridFull Time
Experience in distributed systems, cloud (AWS), Java/JavaScript, OpenTelemetry, microservices, observability, and incident response.
Java, JavaScript, Python, OpenTelemetry, AWS, Microservices, Observability
2w
Save
Mark Applied
Hide
Senior Software Developer
Richmond or Baltimore or Nashville or Mechanicsburg or Raleigh
$105k-$145k/yr HybridFull Time
5+ YOESenior software developer with 5+ years of experience in full-stack design and geospatial applications.
SQL, C#, Java, Python, HTML, CSS, JavaScript, ASP.Net Core, Angular, React, Vue.js, Esri software
2mo
Save
Mark Applied
Hide
Senior Software Engineer – Cloud & Full Stack
Wilmington or Columbus
$81k-$114k/yr OnsiteFull Time
6+ YOE6+ years experience in AWS, SQL, React Native, Spring Boot, Java, JavaScript, and MySQL; onsite role in Wilmington, DE or Columbus, OH; no visa transfer.
AWS, SQL, React Native, Spring Boot, Java, JavaScript, MySQL
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Omaha or Berwyn or Hebron or Lehi
$108k-$170k/yr HybridFull Time
5+ YOESenior .NET engineer with 5+ years' experience; ASP.NET Web API, EF, C#, REST/Web Services, SQL Server; AngularJS/Javascript/CSS/HTML; strong SDLC, OO design, problem solving, and collaboration.
ASP.NET Web API, Entity Framework, C#, Restful Services, Web Services, SQL Server, AngularJS, JavaScript, CSS, HTML
1mo
Save
Mark Applied
Hide
Full Stack Developer
Wilkes Barre or Conshohocken or Parsippany or Alpharetta
$78k-$180k/yr HybridFull Time
5+ YOE5+ years in software development; 3+ years with C#/.NET; 3+ years with modern front-end frameworks; strong API, security, and Azure experience.
C#, NET, Azure, React, Angular, Vue.js, HTML, CSS, JavaScript, TypeScript, SQL, Git, OpenAPI
6d
Save
Mark Applied
Hide
Full Stack Palantir Foundry Developer
Arlington or Seattle or Denver or Chicago or Ridley Park or El Segundo or Saint Louis or Seattle
$149k-$215k/yr HybridFull Time
5+ YOEBachelor's degree in CS/Software/Data Eng or related field; 5+ years full-stack software development; 5+ years React/JavaScript/TypeScript; 3+ years ontology/taxonomy development; 5+ years web development with ReactJS/Redux/JS/TS/HTML/CSS
Palantir Foundry, Workshop, Slate, React, TypeScript, Python, PySpark, REST, JDBC, S3/Parquet, Git
1w
Save
Mark Applied
Hide
Web Applications Developer
Kansas City or Atlanta or Chicago or St. Louis or New York or Birmingham or Boston or Chattanooga or Charleston or Dallas or Denver or Edwardsville or Fort Lauderdale or Fort Worth or Houston or Jefferson City or Los Angeles or Miami or Nashville or Park City or Philadelphia or Phoenix or Raleigh or Seattle or San Francisco or Salt Lake City or St. Joseph or Wilmington or Washington
$125k-$140k/yr HybridFull Time
5+ YOE5–8 years of software development, full-stack web, strong C#/.NET, Angular/TypeScript, REST APIs, SQL Server, Azure, HTML/CSS/JS.
C#, .NET Core, ASP.NET Core, Angular, TypeScript, REST APIs, SQL Server, Azure, HTML, CSS, JavaScript
3w
Save
Mark Applied
Hide
CyberTron Contract: Software Engineer I
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEEntry-level software engineer with skills in Java/C/C++, Python, or JavaScript; knowledge of backend, web apps, and microservices; DoD environment familiarity preferred.
Java, C/C++, Python, JavaScript, Backend development, Web technologies, Microservices, SQL
1mo
Save
Mark Applied
Hide
Software Engineer - Level II
Aberdeen Proving Grounds, Maryland, United States
$86k-$150k/yr OnsiteFull Time
3+ YOEUS citizen; Secret clearance; degree with experience in software development and SDLC.
Java, C++, Python, JavaScript, Git, TCP/IP
2mo
Save
Mark Applied
Hide
Senior Web Developer
Philadelphia or Atlanta or Blue Bell or Boston or Charlotte or Dallas or Exton or Greensboro or Greenville or Kansas City or Miami or Oklahoma City or Pittsburgh or Raleigh or Sarasota or Warrington or West Palm Beach or Wilmington
OnsiteFull Time
10+ YOEBachelor’s degree in computer science or related field; 10+ years web development with modern languages/frameworks; API integration; SQL; cloud and DevOps experience; CI/CD; security practices; strong communication and collaboration.
Angular, JavaScript, C#, ASP.NET, MVC, SQL, GitHub Actions, Azure DevOps, Azure, CI/CD, APIs, AI/ML
1w
Save
Mark Applied
Hide
AI Documentation Engineer (Exton, PA, US)
Exton, Pennsylvania, United States
HybridFull Time
Python or TypeScript/JavaScript experience; hands-on AI/ML or LLM work; familiarity with structured content (DITA XML); experience with content/data pipelines and AI-ready documentation.
Python, TypeScript, JavaScript, LLM APIs, DITA XML, Git, Azure DevOps
1mo
Save
Mark Applied
Hide
Software Engineer (Backend/APIs)
Reading, Pennsylvania, United States
OnsiteFull Time
3+ YOEApproximately 3 years of software development experience; C# / .NET; SQL basics; strong collaboration and willingness to learn.
C#, .NET, SQL, REST API, HTML, CSS, JavaScript
2mo
Save
Mark Applied
Hide
Senior Software Engineer – Cloud & Full Stack
Wilmington or Columbus
$81k-$114k/yr OnsiteFull Time
6+ YOE6+ years of experience; expert in AWS, SQL, React Native, Spring Boot, Java, JavaScript, and MySQL; onsite in Wilmington, DE or Columbus, OH; visa transfer/sponsorship not offered.
AWS, Java, JavaScript, React Native, Spring Boot, SQL, MySQL, Microservices
6d
Save
Mark Applied
Hide
Full Stack Palantir Foundry Developer
Arlington or Seattle or Denver or Chicago or Ridley Park or El Segundo or Saint Louis or Seattle
$149k-$215k/yr HybridFull Time
5+ YOEFull stack software development with 5+ years experience; React/TypeScript; Python/PySpark; ontology/taxonomy development; Foundry experience preferred.
ReactJS, Redux, JavaScript, TypeScript, Python, PySpark, REST, Git, S3/Parquet
1mo
Save
Mark Applied
Hide
Digital Content Developer
West Chester, Pennsylvania, United States
OnsiteFull Time
Technical Lead for digital content development; strong HTML/CSS/JavaScript, AEM/CMS, Adobe Target; able to coordinate with UX/IT; 24-hour on-call; Wednesday-Saturday, 3pm-1am.
AEM, CMS, HTML, CSS, JavaScript, JSON, Adobe Target, JQuery, PHP, JSP
2w
Save
Mark Applied
Hide
Associate Software Engineer
King of Prussia, Pennsylvania, United States
RemoteFull Time
1+ YOEAssociate’s degree in CS/IS required; related Bachelor’s preferred; 1+ years programming/web development; HTML/JS/CSS required; SQL or similar a plus; strong English.
Cerner Discern Visual Developer, Komodo, Notepad++, HTML, JavaScript, CSS, SQL
2w
Save
Mark Applied
Hide
Senior SharePoint Developer (King of Prussia, PA, US, 19406)
King of Prussia, Pennsylvania, United States
$101k-$164k/yr OnsiteFull Time
8+ YOE8+ years in SharePoint development; BA/BS required; design, develop, deploy SharePoint/M365 solutions; on-prem and cloud; mentor junior staff.
SharePoint 2016, SharePoint Subscription Edition, SharePoint Online, SPFx, C#, NET, JavaScript, TypeScript, React, HTML5, CSS3, PowerShell, Power Platform, Power Automate, Power Apps, Power BI, Microsoft Graph API, REST APIs, CSOM, GitHub
2mo
Save
Mark Applied
Hide
Staff Software Engineer (Secret) {S}
King of Prussia, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's in CS or related field; 5+ years Java/C#/Python; 1+ year JavaScript/TypeScript; in-office 3+ days/week with potential for more; experience with Java, Spring Boot or Quarkus; SDLC, microservices, RESTful APIs; Agile/Scrum; active Secret U.S. Government security clearance.
Java, C#, Python, JavaScript, TypeScript, Spring Boot, Quarkus, REST, AWS, Azure, Kubernetes
3w
Save
Mark Applied
Hide
Software Engineer II/III
Hunt Valley, Maryland, United States
$88k-$167k/yr OnsiteFull Time
2+ YOEBachelor’s or Master’s in CS/CE with 2+ years experience; C/C++ or Java; shell scripting; Unix-based development; OOAD/OOD; Jira/Git/Mercurial familiarity; travel up to 20%; eligible for Secret clearance.
C++, Java, Shell Scripting, Unix, Jira, Git, Mercurial, OOA/OOD, REST API, CSS, JavaScript, TypeScript, SQL, NoSQL
1mo
Save
Mark Applied
Hide
Senior Lead Software Engineer - Contact Center (CCaaS)
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering; experience with Amazon Connect and AWS; Python/Node.js/JavaScript; CI/CD; Omnichannel; CRM integrations; BS in CS/IT/Math; 10+ years IT preferred
Python, Node.js, JavaScript, CI/CD, CloudFormation, Terraform, Amazon Connect, AWS
HiringCafe market data
Javascript Developer Jobs market signals in Leola, PA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
130+
Hiring companies
66
Fresh sample
46% new in 30d
Salary visibility
46% show pay
Companies appearing in this market
JPMorgan ChaseBoeingCognizantLockheed MartinVanguardUniversal Health ServicesAugustine ConsultingCubeSmart
Work location mix in visible results
Onsite: 34Hybrid: 29Remote: 2