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Javascript Engineer Jobs in Philadelphia, PA (NOW HIRING)

Varsity Tutors

JavaScript Tutor

Trenton, NJ · Remote

$40/hr

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

Varsity Tutors

JavaScript Tutor

Chester, PA · Remote

$40/hr

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

Delphinus Engineering

Front-End Engineer

Philadelphia, PA · On-site +1

$75K - $125K/yr

The Front-End Engineer will work with a modern tech stack to build and enhance software that ... Strong proficiency in JavaScript / TypeScript (3+ years preferred). * Hands-on experience with a ...

Surya Systems

Software Engineer

Exton, PA

NET and JavaScript. Develop REST based services. Develop efficient solutions to ... Requires Bachelor's degree or foreign equivalent in Electronic Engineering, Instrumentation ...

Delphinus Engineering

Front-End Engineer

Philadelphia, PA · On-site

$75K - $125K/yr

The Front-End Engineer will work with a modern tech stack to build and enhance software that ... Strong proficiency in JavaScript / TypeScript (3+ years preferred). * Hands-on experience with a ...

LiniumIT

Angular Developer

Philadelphia, PA · On-site

$55.25 - $67.50/hr

Our client, a premier consulting company, is seeking an Angular / JavaScript Developer to join their growing IT team in Philadelphia, PA. The developer will work with a team of 3-4 other developers ...

LiniumIT

Angular Developer

Philadelphia, PA

$55.25 - $67.50/hr

Our client, a premier consulting company, is seeking an Angular / JavaScript Developer to join their growing IT team in Philadelphia, PA. The developer will work with a team of 3-4 other developers ...

Intone

Jr/Mid-Level Engineer

Philadelphia, PA · On-site

... JavaScript and modern front-end frameworks. Qualifications : Required : • 4+ years of ... engineering experience • Strong experience developing business applications using Python • ...

New

Inficare Technologies

Software Engineer

Blue Bell, PA · On-site

Demonstrated proficiency with at least one widely used programming language such as Java, Python, C/C++, C#, and scripting languages such as JavaScript. * Minimum 5 years of experience with RDBS such ...

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All JobsJavascript Engineer JobsJavascript Engineer Jobs in Philadelphia, PA

Javascript Engineer information

See Philadelphia, PA salary details

$102.9K

$136.8K

$159.4K

How much do javascript engineer jobs pay per year?

As of Jun 14, 2026, the average yearly pay for javascript engineer in Philadelphia, PA is $136,754.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,600.00 and $149,800.00 per year, depending on experience, location, and employer.

What engineers make $500,000?

Senior software engineers, including experienced JavaScript engineers working in high-demand industries or at large tech companies, can earn $500,000 or more annually through base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, specialized skills, and often working in leadership or highly technical roles.

What does a JavaScript engineer do?

A JavaScript engineer develops and maintains interactive websites and web applications using JavaScript, often working with frameworks like React or Angular. They write clean, efficient code, troubleshoot issues, and collaborate with designers and backend developers to deliver functional user interfaces.

Is JavaScript in high demand?

JavaScript is a highly in-demand skill for software developers, especially for front-end and full-stack engineers. Its widespread use in web development, along with frameworks like React and Node.js, ensures strong job opportunities and continued growth in the industry.

What are the key skills and qualifications needed to thrive as a JavaScript Engineer, and why are they important?

To thrive as a JavaScript Engineer, you need strong proficiency in JavaScript, a good understanding of web development fundamentals, and typically a degree in computer science or related experience. Familiarity with frameworks like React or Angular, version control systems like Git, and tools such as Node.js and npm is essential. Excellent problem-solving abilities, teamwork, and effective communication help you deliver robust solutions and collaborate efficiently. These skills and qualities are crucial for building scalable applications and adapting to evolving technology demands.

What are some common challenges a JavaScript Engineer faces when working on large-scale applications?

One common challenge for JavaScript Engineers working on large-scale applications is maintaining code quality and consistency as the codebase grows. Managing dependencies, ensuring efficient performance, and coordinating with other team members to avoid merge conflicts are daily concerns. Engineers regularly use tools like linters, testing frameworks, and modular architectures (such as micro frontends) to address these issues. Collaboration with backend developers, product managers, and UX designers is also essential to ensure seamless integration and user experience.

What Does a Javascript Engineer Do?

As a JavaScript engineer, you develop, improve, and otherwise work with JavaScript software and applications that focus on businesses and individuals. Your duties in this career include writing JavaScript code to produce new functions for computer software and applications, fixing corrupt code that causes website or software malfunctions, and collaborating with other team members with development responsibilities to ensure that coding and programs work together seamlessly. JavaScript engineers need an excellent command of JavaScript language, experience working with computers, and familiarity with other coding languages that coincide with your exact position, such as HTML and CSS if you primarily work with websites.

Is JavaScript still used in 2026?

JavaScript remains a fundamental technology for JavaScript engineers in 2026, as it is widely used for web development, both on the client and server sides. Its ecosystem continues to evolve with frameworks like React, Angular, and Vue, and proficiency in JavaScript is essential for modern front-end and back-end development roles.

What is the difference between Javascript Engineer vs Front-End Developer?

AspectJavascript EngineerFront-End Developer
Primary FocusDeveloping complex JavaScript applications, optimizing performance, and implementing advanced featuresBuilding and maintaining user interfaces, focusing on design and user experience
Skills & CertificationsJavaScript, frameworks (React, Angular), problem-solving, sometimes backend knowledgeHTML, CSS, JavaScript, UI/UX design, responsive design
Work EnvironmentTech companies, startups, roles involving full-stack or backend integrationWeb development agencies, tech firms, roles focused on UI/UX

While both roles require JavaScript expertise, Javascript Engineers typically focus on building complex applications and optimizing performance, whereas Front-End Developers concentrate on creating engaging user interfaces and ensuring a seamless user experience. The roles often overlap, but the Javascript Engineer's scope is broader in application development and performance tuning.

More about Javascript Engineer jobs
What are the most commonly searched types of Javascript Engineer jobs in Philadelphia, PA? The most popular types of Javascript Engineer jobs in Philadelphia, PA are:
What are popular job titles related to Javascript Engineer jobs in Philadelphia, PA? For Javascript Engineer jobs in Philadelphia, PA, the most frequently searched job titles are:
What job categories do people searching Javascript Engineer jobs in Philadelphia, PA look for? The top searched job categories for Javascript Engineer jobs in Philadelphia, PA are:
Javascript Engineer jobs near you
Infographic showing various Javascript Engineer job openings in Philadelphia, PA as of June 2026, with employment types broken down into 72% Full Time, 8% Part Time, 19% Contract, and 1% Nights. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $136,754 per year, or $65.7 per hour.
JavaScript Engineer

JavaScript Engineer

Maania Consultancy Services

Philadelphia, PA • On-site

Full-time

Posted 15 days ago

Job description

Job Description

Our client is looking for JavaScript Engineer in New York City, Raleigh, Philadelphia across US. If you are interested, please send your updated resume and also let me know the expecting salary.

Position: JavaScript Engineer

Locations: New York City, Raleigh, Philadelphia

Duration: Full Time/ Permanent

Required Skills:

  • Strong capabilities in: JavaScript, particularly Typescript, NodeJS or ReactJS.
  • Experience with Solidity a plus.
  • HTML5/CSS3 experience.
  • Experience with Websockets and streaming data.
  • Passionate about rapid development and working with a fast paced team.
  • UX or Visual Design capabilities a plus but not a requirement.
  • Knowledge of Bitcoin, Blockchain, or Cryptocurrencies a plus.
  • Working knowledge of payment systems and financial trading systems.
  • Object-oriented design.
  • Secure coding practices.
Additional Information

All your information will be kept confidential according to EEO guidelines.

Maania Consultancy Services logo

About Maania Consultancy Services

Sourced by ZipRecruiter

At MAANIA, we provide strategic technology staffing solutions in IT, Engineering, Defense, Aerospace and Cybersecurity fields. We help you to employ the most skilled workforce. We help our customers stay a step ahead in fast hiring by providing great talent.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Lewes, DE, US

Year founded

2014

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