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Frontend Engineer Jobs in Philadelphia, PA (NOW HIRING)

Front-End Engineer

Philadelphia, PA · On-site +1

$75K - $125K/yr

The Front-End Engineer position is instrumental in developing and enhancing the user interfaces for advanced Condition Assessment and Remote Monitoring systems. The Front-End Engineer will work with ...

Senior Frontend Engineer

Wilmington, DE · On-site

$118K - $163K/yr

Senior Front-End Developer Frontend Engineering React TypeScript TanStack Router TanStack Query TanStack Form Tailwind CSS Vite ABOUT THE ROLE We are looking for a Senior Front-End Developer to join ...

Senior Frontend Engineer

Wilmington, DE · On-site +1

$118K - $163K/yr

Senior Front-End Developer Frontend Engineering React • TypeScript • TanStack Router • TanStack Query • TanStack Form • Tailwind CSS • Vite ABOUT THE ROLE We are looking for a Senior ...

Front-End Engineer

Philadelphia, PA · On-site

$75K - $125K/yr

The Front-End Engineer position is instrumental in developing and enhancing the user interfaces for advanced Condition Assessment and Remote Monitoring systems. The Front-End Engineer will work with ...

ABOUT THE ROLE & TEAM As a Front-End Engineer, you will build the operational user experience of OCC Assistant Manager, SITA's AI-powered Operations Control Center solution that helps airlines manage ...

Senior Frontend Engineer

Malvern, PA · On-site

$120K - $165K/yr

RIT Solutions, Inc. is seeking a Senior Frontend Engineer with strong UI expertise and hands-on experience in building modern, scalable applications using React.js, Preact, and JavaScript/TypeScript.

Junior Front-End Developer

Fort Washington, PA · Remote

$106K - $123K/yr

The Junior Front-End Developer supports the development, maintenance, and continuous improvement of modern web applications with a focus on Angular and responsive user experiences. Working alongside ...

Junior Front-End Developer

Fort Washington, PA · Remote

$106K - $123K/yr

The Junior Front-End Developer supports the development, maintenance, and continuous improvement of modern web applications with a focus on Angular and responsive user experiences. Working alongside ...

Junior Front-End Developer

Fort Washington, PA · On-site +1

$100K - $116K/yr

The Junior Front-End Developer supports the development, maintenance, and continuous improvement of modern web applications with a focus on Angular and responsive user experiences. Working alongside ...

Junior Front-End Developer

Fort Washington, PA · On-site

$100K - $116K/yr

The Junior Front-End Developer supports the development, maintenance, and continuous improvement of modern web applications with a focus on Angular and responsive user experiences. Working alongside ...

Front-End developer.

Pennington, NJ

$105K - $122K/yr

Title: Front-End developer. Location: Pennington, NJ Duration: 1 year Contract Looking for someone with experience in Front-End developer expert in Javascript coding and angular. Required Skills

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Showing results 1-20

Frontend Engineer information

See Philadelphia, PA salary details

$61.6K

$140.2K

$199.8K

How much do frontend engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for frontend engineer in Philadelphia, PA is $140,195.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,000.00 and $163,000.00 per year, depending on experience, location, and employer.

What is a frontend engineer?

Frontend Engineers are software developers who specialize in building the user-facing parts of websites and applications. They work with technologies like HTML, CSS, and JavaScript to create interactive and visually appealing interfaces. Their role involves collaborating with designers and backend developers to ensure a seamless user experience. Frontend Engineers also optimize applications for speed and accessibility across different devices and browsers.

What are some common challenges frontend engineers face when working on large-scale web applications?

Frontend Engineers working on large-scale web applications often encounter challenges such as maintaining code quality and consistency across teams, optimizing performance for a variety of devices, and ensuring accessibility standards are met. Collaboration with backend engineers and designers is crucial, as frontend engineers must integrate APIs and design assets seamlessly. Staying updated with evolving frameworks and best practices is also essential to keep the codebase modern and maintainable.

What is the difference between Frontend Engineer vs Frontend Developer?

AspectFrontend Engineer
Required CredentialsBachelor's in Computer Science or related field, proficiency in HTML, CSS, JavaScript, and frameworks like React or Angular
Work EnvironmentCollaborates with designers, backend developers, and product teams in agile settings
Employer & Industry UsageUsed across tech companies, startups, and agencies focusing on web application development

While both roles focus on creating user interfaces, a Frontend Engineer often involves more complex problem-solving, architecture, and integration tasks compared to a Frontend Developer, who primarily implements designs and features. The titles are frequently used interchangeably, but 'Engineer' may imply a broader scope of responsibilities.

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

To thrive as a Frontend Engineer, you need expertise in HTML, CSS, JavaScript, and frameworks like React or Angular, usually combined with a relevant degree or equivalent experience. Familiarity with version control systems (like Git), build tools (such as Webpack), and sometimes certifications in web development are commonly required. Strong problem-solving skills, attention to detail, and effective communication make candidates excel in this role. These abilities ensure that user interfaces are both functional and visually appealing, while also supporting seamless collaboration with design and backend teams.
What cities near Philadelphia, PA are hiring for Frontend Engineer jobs? Cities near Philadelphia, PA with the most Frontend Engineer job openings:
Infographic showing various Frontend Engineer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $140,195 per year, or $67.4 per hour.

Front-End Engineer

Delphinus Engineering

Philadelphia, PA • On-site, Remote

$75K - $125K/yr

Full-time, Part-time

Medical, Life, Retirement, PTO

Re-posted 22 days ago


Job description

SALARY RANGE: $75,000 - $125,000 per year

In determining compensation, various factors will be considered, including but not limited to, educational background; relevant experience, knowledge, skills, and abilities, market factors; and geographic location.

BENEFITS: All eligible full time employees will receive Paid Annual Leave (PAL) starting at 23 days per year and raising by one day per year following one full calendar year of employment (January through December). They will also be offered health benefits and will be automatically enrolled in employer paid short and long term disability and life insurance.

All full time and part time employees have access to participate in the Delphinus Engineering 401(k) which includes company match of 25% up to 10% deferred.

GENERAL SUMMARY: The Front-End Engineer position is instrumental in developing and enhancing the user interfaces for advanced Condition Assessment and Remote Monitoring systems. The Front-End Engineer will work with a modern tech stack to build and enhance software that directly supports Condition-Based Maintenance (CBM) methodologies for vital naval equipment.

LOCATION: Philadelphia, PA

PRINCIPAL DUTIES/RESPONSIBILITIES:

  • Design, develop, and maintain responsive and intuitive front-end applications using modern JavaScript frameworks (like Vue.js or React) and TypeScript.
  • Upgrade and enhance existing software, focusing on improving user experience, performance, and reliability for our Condition Assessment Systems.
  • Collaborate with a cross-functional team to develop software plans, create new software utilities, and deliver complete, well-documented software packages.
  • Write clean, testable code and conduct rigorous software testing in accordance with IEEE standards to ensure quality and robustness.
  • Work with complex shipboard data, helping to validate, troubleshoot, and transform it into meaningful visualizations for end-users.
  • Translate system requirements into tangible software solutions that support innovative condition-based maintenance methodologies.
  • Provide ongoing technical and administrative support for deployed software systems.

EDUCATION AND EXPERIENCE REQUIREMENTS:

  • Bachelor’s level degree in Computer, Electrical or Electronics Engineering, or Mathematics with field of concentration in computer science or equivalent. from an accredited college or university.
  • At least 3 years of experience in computer design, software development or computer networks including software design.
  • Experience in the design, development, and implementation of machinery lifecycle management software systems preferred.

SPECIAL REQUIREMENTS:

  • Successful applicants must either have an active government security clearance or the ability to receive approval upon position acceptance.
  • Must have a valid US passport or the ability to obtain one upon position acceptance.
  • Ability to obtain OS certification or complete approved related training within 180 days of hire.
  • A+ CE, CCNA-Security, CND, Network+ CE, or SSCP certification preferred.
  • U.S. Citizenship is required.

SKILLS AND ABILITIES:

Essential Skills:

  • Strong proficiency in JavaScript / TypeScript (3+ years preferred).
  • Hands-on experience with a modern JavaScript framework (e.g., Vue.js, React) (3+ years preferred).
  • Experience with JavaScript testing frameworks (e.g., Jest, Vitest, Cypress).
  • Knowledge of API design and consumption, specifically with GraphQL.
  • Comfort working in a Linux environment.
  • Proficiency with version control using Git.

Additional Preferred Skills:

  • Experience in data visualization and charting libraries (e.g., Chart.js, Highcharts, D3.js).
  • Familiarity with CI/CD pipelines, (e.g., GitLab CI).
  • Experience delivering or deploying applications to Kubernetes environments.
  • Familiarity with U.S. Government or Department of Defense development environments.