326 javascript developer jobs at 128 companies in Phoenixville, PA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Javascript - Senior Developers - AI Training - Philadelphia, USA
Philadelphia, Pennsylvania, United States
$50/hr RemoteContract
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related, professional experience building scalable web apps with JavaScript/TypeScript, ability to solve LeetCode Medium–Hard, deep knowledge of event loop, closures, prototypal inheritance, async patterns, and strong code quality.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode
2w
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Junior Developer
Paradise, Pennsylvania, United States
$28-$34/hr OnsiteFull Time
Paradise Energy Solutions
Paradise Energy Solutions: Full-service solar energy installation and maintenance provider.
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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Software Developer
Philadelphia, Pennsylvania, United States
$92k-$154k/yr HybridFull Time
AVEVA
AVEVA: Industrial software for engineering and operational performance management.
3+ YOE3+ years software/product development; degree in engineering, computer science, math, or physics; experience with C#/.NET, C++, JavaScript; strong debugging, communication, and design skills.
C#/.NET, C++, JavaScript
1w
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Salesforce Developer
King of Prussia or Cedar Rapids
HybridFull Time
Hibu
Hibu: Provides digital marketing and advertising services to small businesses.
3+ YOE3+ years Salesforce development experience; proficiency with Apex, Visualforce, integrations, SOQL, JavaScript, Lightning; Bachelor's degree in relevant field; strong problem-solving and Agile experience.
Apex, Visualforce, Web Services, SOQL, AJAX, XML, Javascript, Lightning web component, Eclipse, Visual Studio Code, Force.com API, Data Loader, Devin
1mo
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions
Convergix Automation Solutions: Designs and integrates custom industrial automation and robotics.
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
1mo
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions
Convergix Automation Solutions: Designs and integrates custom industrial automation and control systems.
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
2w
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Lead Developer
Allentown or Louisville or Providence
HybridFull Time
PPL Corporation
PPL CorporationNYSE: PPL: Provides electricity transmission, distribution, and utility services.
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
3w
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dotCMS Developer
Philadelphia, Pennsylvania, United States
HybridFull Time
CapTech
CapTech: Provides technology and management consulting services to large enterprises.
Experience with dotCMS and web development (Java, HTML, CSS, JavaScript); familiarity with RESTful APIs, integrations, and deployment processes; strong problem-solving and communication skills. Bachelor's degree and cloud/DevOps experience preferred.
dotCMS, Java, HTML, CSS, JavaScript, RESTful APIs
2w
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Web Developer, Casino
Canada or Philadelphia or North America
$115k-$145k/yr RemoteFull Time
PENN Entertainment
PENN EntertainmentNASDAQ: PENN: Operates integrated casino gaming and online sports wagering platforms.
3+ YOE3+ years web development with JavaScript/TypeScript and React; strong CS fundamentals, HTML/CSS, REST/GraphQL, Git, automated testing, observability, and collaborative agile practices.
JavaScript, TypeScript, React, REST, GraphQL, Git, GitHub, HTML, CSS, Jest, Jasmine, Cypress, Playwright, GitHub Copilot, Claude, GCP, Kubernetes, Elixir, Absinthe
2w
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Temporary NetSuite Developer
Princeton, New Jersey, United States
OnsiteTemporary, Part Time
Hamilton Jewelers
Hamilton Jewelers: Family-owned retailer of fine jewelry and luxury timepieces.
3+ YOEBachelor's degree or equivalent, 3+ years NetSuite development experience, strong SuiteScript 2.x, SuiteFlow, SuiteBuilder, SuiteAnalytics, REST/SOAP integrations, JavaScript, troubleshooting and communication skills.
NetSuite, SuiteScript 2.0/2.1, SuiteScript 2.x, SuiteFlow, SuiteBuilder, SuiteAnalytics, Saved Searches, REST, SOAP, RESTlets, SuiteTalk, JavaScript
1mo
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Salesforce Developer (CPQ)
Chesterbrook or Orlando or Tampa or Nashville
$54k-$196k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
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
4w
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Staff Software Engineer (Frontend Developer)
Colorado Springs or King of Prussia or California or Massachusetts or New York or Colorado or Hawaii or Illinois or Maryland or Minnesota or New Jersey or Vermont or Washington or District of Columbia
$114k-$227k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOEFrontend development with Angular, JavaScript, CSS, HTML; REST and Docker experience; UI/UX tools and test frameworks; 5+ years relevant experience; Secret clearance and U.S. citizenship required/preferred candidates in CO or PA.
Angular, JavaScript, CSS, HTML, REST, Docker, Figma, MockFlow, UXPin, Axure, Cypress, Selenium, Playwright, Jest, Kubernetes, Helm, GitLab CI/CD, gRPC, Python, Flask
2w
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Salesforce Software Developer
McLean or Las Vegas or Orlando or Annapolis or Portland or Boston or Huntsville or Dayton or Atlanta or Colorado Springs or New York City or Groton or Salt Lake City or Fort Leavenworth or Jersey City or Omaha or Bismarck or Sacramento or New Orleans or Indianapolis or Helena or Des Moines or Jackson or Hanover or Austin or Boise or Tucson or Fayetteville or Chicago or St. Louis or Lansing or Pittsburgh or Philadelphia or Augusta or Oklahoma City or Brooklyn Park or Charleston or Newport or Cheyenne or Martinsburg or Cleveland or Little Rock or Madison or Albany or Seattle or Washington, DC or Denver or Brooklyn Park
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Experience developing on the Salesforce platform (Apex, JavaScript, Lightning Web Components), Git-based workflows, Salesforce Platform Developer I certification, HS diploma/GED, ability to obtain Public Trust or Suitability/Fitness determination.
Apex, JavaScript, Lightning Web Components, Git, GitHub, Copado, Salesforce DX, Flosum, Java, Python, C#, Kotlin, C/C++, HTML, CSS, SQL
3w
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Staff Application Engineer
Philadelphia, Pennsylvania, United States
$153k-$180k/yr HybridFull Time
FMC
FMCNYSE: FMC: Manufacturer of chemical and biological crop protection products.
7+ YOEBachelor's in engineering/CS or related and 7 years software development experience, including 2 years each in web development, CI/CD, mobile app development, Python, JavaScript/React, system architecture, and leading projects; telecommute 2 days/week.
React Native, REST, ReactJS, Angular, Python, Django, CI/CD, JavaScript
3w
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Junior Application Developer
Philadelphia or Pennsylvania or New Jersey or Delaware
$68k-$76k/yr RemoteFull Time
The Wistar Institute
The Wistar Institute: Independent biomedical research institute focusing on oncology and vaccines.
1+ YOEBachelor's in Computer Science (or equivalent experience), 1–3 years relevant web application development experience, proficiency with JavaScript/TypeScript, SQL/MSSQL, Node.js/Express, Vue.js or React, REST APIs, CI/CD and version control.
JavaScript, TypeScript, MSSQL, Node.js, Express, Vue.js, React, SQL, REST API, CI/CD
1mo
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Software Engineer
Conshohocken, Pennsylvania, United States
HybridFull Time
Novacore
Novacore: Independent specialty insurance provider for niche markets.
2+ YOE2+ years software development experience; C#, Typescript, Python; Azure; CI/CD; GitHub; JIRA; Agile; HTML/CSS; JavaScript; UI/UX; insurance domain experience preferred.
C#, Typescript, Python, HTML, CSS, JavaScript, Azure, GitHub, JIRA, CI/CD, Microsoft stack, UI/UX
1mo
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Software Developer I/II
Cinnaminson, New Jersey, United States
$50k-$110k/yr OnsiteFull Time
Delva Tool & Machine
Delva Tool & Machine: Manufacturer of precision machined components and mechanical assemblies.
1+ YOE1–5 years software development experience; proficiency in Python, C#, JavaScript, and SQL; experience with system integrations, APIs, databases, ERP/MES preferred; familiarity with cybersecurity, AI/automation, and manufacturing systems.
Python, C#, JavaScript, SQL, ERP, MES, API, CNC, AI
2mo
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Software Developer | C# | ETF | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
3+ YOE3+ years software development; BS or MS in Computer Science, Computer Engineering or similar; proficient in Python and JavaScript/TypeScript; experience with C++ and React; visa sponsorship available.
Python, JavaScript, TypeScript, C++, React, Linux
1mo
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Full Stack Developer
United States or Philadelphia
$160k-$180k/yr RemoteFull Time
SMB Team
SMB Team: Provides digital marketing and coaching services for law firms.
6+ YOE6+ years full-stack development experience; must show portfolio; autonomous; current on AI tooling; proficiency in JavaScript/TypeScript (React, Node.js), RESTful APIs, GraphQL, cloud (AWS/GCP/Azure), serverless; experience with AI APIs and Git.
JavaScript, TypeScript, React, Node.js, RESTful APIs, GraphQL, AWS, GCP, Azure, Serverless, OpenAI, Anthropic, Git, GitHub, CI/CD, HubSpot, Asana, PandaDoc, Slack, Google Workspace
2w
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
Chemours
ChemoursNYSE: CC: Manufactures specialty chemicals, refrigerants, and high-performance industrial fluoropolymers.
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub