JavaScript Jobs in King Of Prussia, PA

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Quality Assurance Analyst II (Python, Javascript, API, Karate, Postman)

Apidel Technologies

•

Philadelphia, Pennsylvania, USA

Contract

Must Have: Proficiency in Java and other programming languages such as: Python, or JavaScriptExperience with test automation frameworks such as:REST Assured, Postman, or Karate for API testingPyTest, JUnit, TestNG, or Mocha for unit/integration testingStrong understanding of RESTful APIs and experience with API testing tools (e.g., Postman, REST Assured)Familiarity with CI/CD tools (e.g., Concourse and GitHub Actions)Proficient with Git and Git-based workflowsStrong communication and documentati
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Posted 16 hours ago

Senior Software Developer (ServiceNow, DevOps, JavaScript, AI, UI Design)

Ameri100

•

Remote

Contract, Third Party

Job Title: Senior Software Developer (ServiceNow, DevOps, JavaScript, AI, UI Design) Start Date: ASAP End Date: 12/31/2025 Location: Remote Rate: C2C all inc. Job Summary: We are seeking a highly skilled and forward-thinking Senior Software Developer to join our growing team. The successful candidate will have a strong foundation in ServiceNow development, JavaScript, DevOps, and UI/UX design, with added expertise in AI integration, unit testing, and performance optimization. This role include
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Posted 14 hours ago

Sitecore Architect

Sidmans

•

Philadelphia, Pennsylvania, USA

Contract, Third Party

10+ years of Sitecore experience, preferably Sitecore certified on 9.1 and/or greaterExperience in Digital Marketing, Digital Asset Management, EXM, Analytics etc.Experience with Sitecore 9+ including custom development versus out-of-the-box configuration. Must have experience on Sitecore 10.3 and Headless JSS development.Conversant with full stack programming languages and tools ( Helix, Azure PaaS, C#, HTML), but are also not afraid to experiment with new tech.Knowledge in ASP. Net MVC.Knowled
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Posted 2 days ago

Node.JS Developer (Typescript, JavaScript, Node.JS, React)

Apidel Technologies

•

Philadelphia, Pennsylvania, USA

Contract

Hybrid: 04days onsite/01 day remote (Flexible with 2 to 3 days onsite as well) Team Info: The team is working TV sports app build Lightening & x1 code Migrating Data to a New Data Provider Looking for someone with 7 to 10 years of experience Build a Microservices architect in Typescript & JavaScript CI/CD experience Concourse preferred Node.js exposure For JavaScript: 1st preference is React Interview Process: 1st round with HM & associate 2nd round with lead engineers coding challenge 3rd roun
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Posted 15 days ago | Updated 10 days ago

Sr JavaScript/TypeScript Developer with Dataverse & Mobile Migration Experience

SherlockTalent

•

Remote

Contract

Job Title: Sr JavaScript/TypeScript Developer with Dataverse & Mobile Migration Experience Location: 100% Remote Job Type: Contract Salary: Competitive Hourly Rate Job #: 7351 Position Overview: We are looking for an experienced and self-driven JavaScript/TypeScript developer with strong expertise in Microsoft Dataverse customization and a solid understanding of geospatial UI development. You will play a key role in extending Dataverse widgets to support a moving map display, integrating filter
Posted 19 hours ago

Lead JavaScript Developer

Tradeweb Markets LLC

•

Remote or Jersey City, New Jersey, USA

Full-time

Company Description Tradeweb Markets is a world leader in the evolution of electronic trading. A fintech company serving approximately 2,500 clients ? including the world?s largest banks, asset managers, hedge funds, insurance companies, wealth managers and retail clients -- in more than 65 countries across the globe. Since our first trade in 1998, we have helped transform and electronify the fixed income markets. Tradeweb is a culture built on innovation, creativity and collaboration. Through a
Posted 60+ days ago | Updated 2 hours ago

UI Developer with Vanilla JavaScript 7+ W2

TekVivid

•

Remote

Contract

Role: UI Developer with Vanilla JavaScript Location: Remote Job Summary: We are seeking a passionate and skilled UI Developer with strong expertise in Vanilla JavaScript to join our front-end development team. The ideal candidate will be responsible for building clean, user-friendly interfaces without relying heavily on frameworks. You should have a deep understanding of HTML, CSS, and core JavaScript. Key Responsibilities: Develop responsive and interactive user interfaces using HTML, CSS, and
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Posted 2 days ago

Software Engineer II - InsuraMatch (OpenAI, Javascript, Python, SQL)

Travelers

•

Remote or Hartford, Connecticut, USA

Full-time

Who Are We? Taking care of our customers, our communities and each other. That's the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 160 years. Join us to discover a culture that is rooted in innovation and thrives on collaboration. Imagine loving what you do and where you do it. Compensation Overview The annual base salary range provided for this position is a nationwide market range and re
Posted 24 days ago | Updated 10 hours ago

UI Automation Engineer (JavaScript)

Xoriant Corporation

•

Remote

Contract

Extensive expertise with test management, collaboration, and reporting tools such as Jira, Confluence, Spira, Grafana, or equivalent platformsSolid experience with both cloud-native and traditional test automation tools for web applications, including Mabl and TestCompleteStrong programming background in JavaScript and VBScriptComprehensive hands-on experience in developing test automation frameworks and automating test cases for unit, functional, performance, and API testingProven experience in
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Posted 60+ days ago | Updated 10 days ago

Full-Stack Developer - Java - JavaScript - Vue

Trident Solutions

•

Remote

Contract

We have a remote full-stack developer opportunity based on the east coast, working east coast hours. This requires U.S Citizenship! Must Have at least 4 years development experience with a related technical degree. If no technical degree, then must have 8 years experience. Required Technologies: JavaScript Framework (VueJs)Java Application DevelopmentContainer Application DevelopmentWeb deployment technologies.Nice To Have: WebSphere LibertyNodeJSExperience with developing micro services Day to
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Posted 14 days ago

Senior JavaScript Developer

Randstad - Torc

•

Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 60+ days ago | Updated 17 days ago

Javascript Developer

Randstad - Torc

•

Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. What you'll do: Design, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 60+ days ago | Updated 17 days ago

JavaScript Virtual Machine Compiler Engineer

Apple, Inc.

•

Remote

Full-time

Do you have a passion for crafting fast software, or squeezing out every last bit of performance that hardware can afford? Are you energized by competition in industry to deliver the best product possible? Are you undaunted by challenges that others claim to be impossible only because they failed at it? Do you have an itch to mix your creativity with your engineering and logic skills to solve difficult problems and deliver innovative features? If so, this role may be for you. In the JavaScriptCo
Posted 60+ days ago | Updated 1 hour ago

Associate Software Engineer (SQL/Javascript/Python), Lab Information Systems

Quest Diagnostics Inc.

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Remote or Secaucus, New Jersey, USA

Full-time

Overview Pay Range: $100,00.00 - $120,000.00 / year Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation. Benefits Information: We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, hap
Posted 60+ days ago | Updated 1 hour ago

Node.JS Developer

Apidel Technologies

•

Philadelphia, Pennsylvania, USA

Contract

Supplier Notes: Looking for someone with heavy experience in JavaScript (Angular, react, etc.) Looking for Front-end developer with experience in deployment. Backend experience required: Nodejs Must have exposure with GitHub/AWS/ Jenkins or Kubernetes.
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Posted 30 days ago

QA-Test Complete

Nous Infosystems

•

Pennsylvania, USA

Contract

Senior QA-Test Complete Pipersville, PA-Onsite Key Requirements 10+ years of hands-on experience with TestComplete test automation toolStrong programming skills in JavaScript and Python for test script developmentProven experience automating:Desktop applications (Windows-based)Web applications (cross-browser testing)API testing and validationExperience with test framework design and maintenanceKnowledge of CI/CD integration for automated testing Responsibilities Develop and maintain automated t
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Posted 9 days ago

Software Engineer

Kforce Technology Staffing

•

Philadelphia, Pennsylvania, USA

Full-time

RESPONSIBILITIES: Kforce has a client that is seeking a Software Engineer on a direct hire basis in Philadelphia, PA. Summary: The Software Engineer will be tasked with developing and implementing software within the Microsoft Windows development environment using C#, JavaScript, and SQL Server. The Software Engineer will also use Jira to track support tickets and changes to internal and external systems, as well as support customers by diagnosing problems, supporting emergency issues and perfo
Posted 4 days ago | Updated 7 hours ago

IT Software QA Engineer

Liberty Personnel, Inc

•

Philadelphia, Pennsylvania, USA

Full-time

IT Software QA Engineer Our growing client is seeking an IT Software QA Engineer. This is a contract to hire position that will work on a hybrid model in Philadelphia. They are seeking both manual and automated testing experience. Qualified candidates will have experience with most of the following: AgileAPIs CI/CD PipelinesJira UI automated testing (JavaScript, Cypress, TypeScript, etc.) Manual testing To apply, please send your resume to Please add me on LinkedIn and I look forward to connecti
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Posted 11 days ago | Updated 2 days ago

Developer

Mitchell Martin, Inc.

•

Malvern, Pennsylvania, USA

Full-time, Contract

Title: DeveloperLocation: Northeast Region (Onsite) Employment Type: ContractCompensation Pay Range:$39.30-$57.80/HrsDescription Work with business and application teams to understand requirements. Participate in high-level design sessions to maximize client needs. Collaborate with teams to develop new features. Apply Agile methodologies like SCRUM and KANBAN. Develop and customize CRM solutions. Ensure effective communication and articulation skills.Key Responsibilities Collaborate with busines
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Posted 2 days ago | Updated 8 hours ago

Developer

Mitchell Martin, Inc.

•

Malvern, Pennsylvania, USA

Full-time, Contract

Title: DeveloperLocation: Northeast Region (Onsite) Employment Type: ContractCompensation Pay Range:$32.36-$47.60/HrsDescription Work with business and application teams to understand requirements. Participate in high-level design sessions to maximize client needs. Collaborate with teams to develop new features. Apply Agile methodologies like SCRUM and KANBAN. Develop and customize CRM solutions. Ensure effective communication and articulation skills.Key Responsibilities Collaborate with busines
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Posted 2 days ago | Updated 8 hours ago