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Javascript Developer Jobs in Blandon, PA, US
110+ javascript developer jobs from 51 companies hiring in Blandon, PA, US.
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Web Developer II
Horsham, Pennsylvania, United States
HybridFull Time
3+ YOEDevelop, test, and maintain web applications using PHP, SQL, HTML, CSS, JavaScript; collaborate with team; troubleshoot and optimize performance.
PHP, SQL, HTML, CSS, JavaScript, Git, RESTful APIs, Linux, AWS, Azure
1mo
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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
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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
1w
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Software Engineer
Center Valley, Pennsylvania, United States
OnsiteFull Time
3+ YOEMid-level frontend/backend developer with 3+ years experience in JavaScript/React/TypeScript, Node.js, NextJS; solid CI/CD, testing, and code review skills.
JavaScript, React, CSS, HTML, Node.js, NextJS, Typescript, Git, Tailwind CSS, Mocha, Xunit
1mo
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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
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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
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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
2mo
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Experienced Software Developer
Philadelphia, Pennsylvania, United States
$124k-$207k/yr HybridFull Time
8+ YOE8+ years in software development; strong OO with C++, C#, .NET, JavaScript; microservices; SQL/NoSQL; cloud (Azure, AWS, Google); design and deliver mission-critical software; Bachelor/Master/PhD or relevant experience
C++, C#, DotNet, JavaScript, Azure, AWS, Google Cloud, SQL, NoSQL, Microservices
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Lead Developer
Allentown or Louisville or Providence
HybridFull Time
5+ YOELead Developer with 5+ years experience; proficient in C#, JavaScript/TypeScript, frontend frameworks (Angular/React), SQL; experience with APIs and microservices; hybrid role in Allentown/ Louisville/ Providence.
C#, Java, TypeScript, Angular, React, SQL, Microservices, Cloud, APIs
2mo
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Senior Full Stack Engineer
Austin or Ann Arbor or Scottsdale or Wayne
$145k/yr HybridFull Time
5+ YOE5+ years web development with PHP/JavaScript; Laravel experience; strong communication; problem-solving; capable in fast-paced environments.
PHP, JavaScript, Laravel, Vue.js, React, AlpineJS, jQuery, REST API, AWS
3w
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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
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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
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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
3w
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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
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Frontend Prototype Developer
Philadelphia, Pennsylvania, United States
$111k-$149k/yr RemoteFull Time
8+ YOE8+ years of professional software development experience; strong front-end, rapid prototyping, and research-oriented software development.
Angular, TypeScript, JavaScript, HTML, CSS, Shiny, AWS, Lambda, S3, DynamoDB, CDK, Node.js
1w
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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
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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
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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
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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
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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
2w
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Senior Software Engineer (Bethlehem, PA, US)
Bethlehem, Pennsylvania, United States
$144k/yr OnsiteFull Time
4+ YOEFour years of experience in ASP.NET, C#, HTML/CSS/JavaScript; RESTful APIs; SQL Server; Angular; SSRS; and SDLC security practices.
ASP.NET, HTML, CSS, JavaScript, C#, RESTful APIs, Angular, SSRS, SQL Server, IIS, Azure DevOps, Jenkins, Selenium
3w
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Application Developer III
Pipersville or Houston
$125k-$135k/yr HybridFull Time
10+ YOE10+ years of hands-on work experience; Bachelor’s degree in computer science or related field; relevant certifications; prior lead developer experience; strong .NET, Angular/Blazor, SQL, REST APIs skills.
.NET Core, C#, ASP.NET MVC, API, WinForms, MS SQL Server, Angular, Blazor, CSS, JavaScript, RabbitMQ, AWS, Power BI, Jira, REST APIs, SOAP APIs, Microservices, GitHub CoPilot
2mo
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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
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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
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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
6d
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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
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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
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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
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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
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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
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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
2mo
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Technical Architect, Full Stack Developer
King of Prussia, Pennsylvania, United States
$175k/yr OnsiteFull Time
10+ YOE10+ years of software development/architectural experience; Salesforce expertise; strong integration, data, and system design skills; leadership and mentoring abilities.
Salesforce.com, Zuora, ServiceMax, FinancialForce, CPQ, Apex, Lightning Web Components, Visualforce, Boomi, MuleSoft, Jitterbit, SQL, ETL, Data Loader, Force.com, Java, JavaScript, XML, SAML, SSO, OAuth, APIs
3w
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Software Engineer
Doylestown, Pennsylvania, United States
OnsiteFull Time
2+ YOEU.S. citizen with DoD Secret clearance eligible; Associate’s degree in computer science/IT/mathematics or scientific field; 2+ years of production programming in .NET, Java, or C/C++
NET, Java, C/C++, Azure DevOps, Blazor/Razor, Git, Visual Studio, JavaScript
1w
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C++ Engineer
Lancaster or Moscow or United States
HybridFull Time
3+ YOEMid-level C++ experience; knowledge of C#, Rust, and JScript; SQL/PostgreSQL; familiarity with Windows tech like COM/MFC; experience refactoring large codebases.
C++, C#, Rust, JScript, SQL, PostgreSQL, COM, MFC, Windows
3w
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Staff Software Engineer- Python
Oaks, Pennsylvania, United States
OnsiteFull Time
8+ YOE8+ years OOP with Python; 8+ years SQL; 8+ years Git; Bachelor's; skilled in JS/TS/React/Node/Python; cloud (AWS/Azure/GCP); Docker; security basics.
JavaScript, TypeScript, React, Node, Python, Flask, AWS, Azure, GCP, Pulumi, Terraform, Docker, TCP/IP
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Lead, Software Engineer - Salesforce
Newark or Portland or Fort Washington or Washington Street, Newark
$134k-$220k/yr OnsiteFull Time
Lead Software Engineer - Salesforce with strong DevOps, security, and Salesforce expertise; proficient in Python/Java/JS; agile, collaborative leader.
Salesforce, Python, Java, JavaScript, React, Spring Boot, Node.js
1w
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Database Engineer I
Webster or Allentown or Phoenix or Cincinnati
$77k-$121k/yr HybridFull Time
2+ YOEBachelor’s degree; 2-5 years data engineering experience; strong analytical/problem-solving; Agile/Scrum experience; programming in Java, JavaScript, Python; GitHub/Visual Studio familiarity.
Informatica, Fivetran, DBT, OpenFlow, Snowflake, One Lake, Databricks, Kafka, Amazon Kinesis, GitHub Copilot, Java, Javascript, Python, Visual Studio, Oracle, SQL Server, MongoDB, PostgreSQL
1w
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Senior Web Developer
Bethlehem, Pennsylvania, United States
$84k-$102k/yr HybridFull Time
5+ YOEExperience developing Drupal-based websites, strong HTML/CSS/JS, and able to manage content, accessibility, and analytics.
Drupal, PHP, JavaScript, HTML, CSS, Google Analytics, Data Studio
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Salesforce QA Automation Engineer with Playwright
Charlotte or New York City or New Jersey or Radnor
$82k-$130k/yr HybridFull Time
7+ YOE7+ years Salesforce testing, Playwright automation, API testing (REST/SOAP), SQL/SOQL, CI/CD experience
Playwright, JavaScript, TypeScript, REST, SOAP, SQL, SOQL, Jenkins, GitLab CI
2mo
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GIS Solution Engineer - Geo Experience Center
Philadelphia or Charlotte or Denver or Louisville or Minneapolis or Olmypia or Redlands or San Antonio or St. Louis or Washington
$77k-$127k/yr OnsiteAll Commitments Available
2+ YOE2+ years with Esri tech, 1+ years in various industries; Python/JavaScript; ArcGIS IT context; travel 25-50%; bachelor’s degree; no visa sponsorship.
ArcGIS, Python, JavaScript, Cloud computing (Azure AWS), Geodatabases, Web services
HiringCafe market data
Javascript Developer Jobs market signals in Blandon, 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
110+
Hiring companies
51
Fresh sample
48% new in 30d
Salary visibility
37% show pay
Companies appearing in this market
JPMorgan ChaseBoeingLockheed MartinVanguardUniversal Health ServicesCubeSmartDoverFiserv
Work location mix in visible results
Onsite: 31Hybrid: 28Remote: 3