356 javascript developer jobs at 139 companies in Spring House, PA
3w
Save
Mark Applied
Hide
Application Developer - JavaScript
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yr OnsiteFull Time
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, React, Angular, Svelte, Vue, WebGL, ArcGIS Experience Builder, CI/CD
1mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
ServiceNow Developer
Philadelphia, Pennsylvania, United States
$80k-$158k/yr OnsiteFull Time
8+ YOERequires 8–10 years of ServiceNow CMDB administration and advanced development experience, including CMDB, Discovery, ITOM, integrations, JavaScript, scripting, data ingestion, and governance.
ServiceNow, ServiceNow CMDB, ServiceNow CSDM, ServiceNow Discovery, MID Server, ServiceNow ITOM Visibility, IRE, Service Mapping, Hardware Asset Management (HAM), JavaScript, Script Includes, Glide Ajax, Business Rules, Flow Designer, REST APIs, Integration Hub, Service Graph Connectors, Import Sets, Transform Maps, ETL, CMDB Health Dashboard, AWS, Microsoft Azure, Service Portal, UI Builder, Event Management, AIOps
4d
Save
Mark Applied
Hide
Software Developer
New Castle, Delaware, United States
$63k-$82k/yr OnsiteFull Time
3+ YOEThree years of software development experience with ASP.NET, C#, Visual Studio, .NET, SQL Server, JavaScript, RESTful APIs, RabbitMQ, OAuth, Azure DevOps, and Git.
ASP.NET, Dapper, AutoMapper, C#, Microsoft Visual Studio 2019, JavaScript, jQuery, JSON, AJAX, .NET Framework 4.8, .NET Core, SQL Server 2019, HTML5, XML, XSLT, CSS, RESTful APIs, RabbitMQ, OAuth, JWT, Azure DevOps, Git
2mo
Save
Mark Applied
Hide
ServiceNow Developer
Reston or Philadelphia
OnsiteFull Time
2+ YOEBachelor's degree preferred, 2+ years IT service management or enterprise app development, 1+ year ServiceNow development, experience with JavaScript/Python/Java, REST APIs, integrations, testing, and DevSecOps practices; must be authorized to work in the U.S.
ServiceNow, REST APIs, JavaScript, Python, Java, Flow Designer, Script Includes
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Lead Developer
Allentown or Louisville or Providence
HybridFull Time
7+ YOEBachelor's degree (or equivalent), 7+ years experience (Lead) or 5+ years (Senior); strong software development background with C#, Java, JavaScript/TypeScript, front-end frameworks (Angular/React), APIs/JSON, and SQL; experience with microservices, cloud, containerization and Kubernetes preferred.
C#, Java, Python, JavaScript, TypeScript, Angular, React, SQL, JSON, APIs, Microservices, DevOps, Multi-Cloud, IoT, Intelligent Automation, RPA, Test automation, Machine Learning, Artificial Intelligence, Kubernetes, Azure Kubernetes Service (AKS), SAP ABAP
1mo
Save
Mark Applied
Hide
Salesforce Developer (CPQ)
Chesterbrook or Nashville or Orlando or St. Petersburg or Tampa or United States
$59k-$196k/yr HybridFull Time
2+ YOERequires 2+ years of Salesforce development and CPQ experience, Apex, LWC, REST APIs, JavaScript, and a bachelor's degree or equivalent experience; strong problem-solving and communication skills required.
Salesforce, Salesforce CPQ, Apex, Lightning Web Components (LWC), REST APIs, JavaScript, Salesforce Billing
3mo
Save
Mark Applied
Hide
Salesforce Developer (CPQ)
Chesterbrook or Orlando or Tampa or Nashville
$54k-$196k/yr HybridFull Time
2+ YOEMinimum 2 years Salesforce development and CPQ experience; Apex, LWC, REST API integrations, JavaScript proficiency; Bachelor's degree or equivalent experience; strong problem-solving and communication skills.
Apex, LWC, Rest API Integrations, JavaScript, Salesforce CPQ, Sales Cloud, Salesforce Billing
3w
Save
Mark Applied
Hide
Application Developer I
Coppell or Fort Washington
OnsiteFull Time
1+ YOE1-2+ years full-stack development experience with T-SQL, .NET/C#, JavaScript framework (Angular), APIs, JWT, MSSQL, SSMS; familiarity with SDLC/Agile and cloud platforms.
T-SQL, .NET Framework, C#, JavaScript, Angular, APIs, JWT Token Authentication, MSSQL, SSMS, JSON, XML, ASP.NET, C++, Microsoft Azure, Excel, SQL
2w
Save
Mark Applied
Hide
Senior Software Developer
Philadelphia or United States
$110k-$135k/yr RemoteFull Time
5+ YOE5+ years professional software development, BS preferred, strong experience with Angular, .NET Core/ASP.NET Core, C#, TypeScript, JavaScript, HTML/CSS, PostgreSQL, API design, OOP and architecture.
Angular, ASP.NET Core, C#, PostgreSQL, TypeScript, JavaScript, HTML/CSS
5d
Save
Mark Applied
Hide
Senior Software Developer
Philadelphia, Pennsylvania, United States
$49k-$68k/yr HybridFull Time
2+ YOEBachelor's degree in computer science, software engineering, information systems, or related field and 2+ years' related experience. Requires cloud development, API integration, testing, documentation, AI applications, Python or JavaScript, and secure data handling.
Python, JavaScript, APIs, source control
2d
Save
Mark Applied
Hide
Senior Software Engineer / Senior AI Engineer
Philadelphia or Massachusetts
$87k-$144k/yr RemoteFull Time
3+ YOERequires 3+ years of software engineering experience, production LLM application development, agentic AI, cloud platforms, CI/CD, TDD, data modeling, and Python, Java, TypeScript/JavaScript, and SQL.
RAG, AWS, Azure, GCP, CI/CD, SDLC, TDD, Python, Java, TypeScript, JavaScript, SQL, APIs
1w
Save
Mark Applied
Hide
Software Engineer (.Net)
Bethlehem, Pennsylvania, United States
OnsiteFull Time
3+ YOEBachelor's degree in computer science, engineering, or equivalent; 3+ years of web software development experience with C#, .NET, HTML, CSS, JavaScript, MS-SQL, RESTful APIs, Angular, and IIS.
ASP.NET, HTML, CSS, Java, JavaScript, C#, .NET Framework, Microsoft SQL Server, RESTful APIs, JSON, jQuery, Angular, IIS, SSRS, RS232, USB, Entity Framework, LINQ, SQL, SQL commands, Triggers, Stored Procedures, Software Development Life Cycle (SDLC)
1d
Save
Mark Applied
Hide
Principal Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus or United States or Los Angeles or Philadelphia or San Francisco
$137k-$257k/yr HybridFull Time
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems expertise, cloud-native development, and proficiency with JavaScript/TypeScript, React, Node.js, and related tools.
JavaScript, TypeScript, React, Node.js, Next.js, Java, HTML/CSS, Micro Frontends, AWS, CDK, GitHub Actions, OAuth 2.0, OpenID Connect, OWASP Top 10, Playwright, JMeter, Datadog, Splunk, Bridgeway, MFE, CI/CD, DevOps, SecOps, Generative AI
1w
Save
Mark Applied
Hide
Software Engineer - E2
King of Prussia, Pennsylvania, United States
$91k-$169k/yr OnsiteFull Time
Software development experience with Java or JavaScript, CI/CD tools, large-scale projects, and software testing. Must be able to obtain and maintain TS/SCI clearance; U.S. citizenship is not required.
Java, JavaScript, GitLab, Jenkins, Spring Boot, Quarkus, LIT, Node.js, Express, Python, Helm, Git, Kubernetes, Docker, Rancher
3w
Save
Mark Applied
Hide
Engineer, Site Reliability
Malvern or Charlotte
HybridFull Time
8+ YOE8+ years experience with 2+ years development; expertise in distributed systems, Java/JavaScript, AWS, OpenTelemetry, Python, observability, cloud-native and production reliability.
Java, JavaScript, AWS, OpenTelemetry, Python
2w
Save
Mark Applied
Hide
Junior Developer - Contract
Philadelphia, Pennsylvania, United States
OnsiteContract
Proficiency in Next.js and React Native for web, basic PHP, CMS experience (Directus, WordPress), Git workflow, HTML/CSS/JavaScript, strong communication and collaboration skills.
Next.js, React Native, PHP, Laravel, Directus, WordPress, Git, GitHub, GitLab, Bitbucket, HTML, CSS, JavaScript, RESTful APIs, GraphQL, MySQL, PostgreSQL, CI/CD, AWS, Azure, GCP
3w
Save
Mark Applied
Hide
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
Explore Jobs