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Part Time Frontend Developer Jobs in Philadelphia, PA

Front-End Engineer

Philadelphia, PA · On-site +1

$75K - $125K/yr

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 ...

Front-End Engineer

Philadelphia, PA · On-site

$75K - $125K/yr

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 ...

UI-UX Engineer

Philadelphia, PA · Hybrid

$65K - $115K/yr

All full time and part time employees have access to participate in the Delphinus Engineering ... This hybrid role blends UX design expertise with light front-end engineering skills to turn ...

UI-UX Engineer

Philadelphia, PA · On-site

$65K - $115K/yr

All full time and part time employees have access to participate in the Delphinus Engineering ... This hybrid role blends UX design expertise with light front-end engineering skills to turn ...

Part Time Frontend Developer information

See Philadelphia, PA salary details

$42.9K

$111.4K

$156.9K

How much do part time frontend developer jobs pay per year?

As of Jun 15, 2026, the average yearly pay for part time frontend developer in Philadelphia, PA is $111,416.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,900.00 and $122,100.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Part Time Frontend Developer position, and why are they important?

To thrive as a Part Time Frontend Developer, you need strong skills in HTML, CSS, JavaScript, and a solid understanding of responsive web design principles, typically backed by experience or a relevant degree. Familiarity with frameworks such as React or Vue.js, version control systems like Git, and knowledge of basic web performance optimization are commonly required. Excellent communication, time management, and problem-solving abilities help you effectively collaborate and navigate part-time or remote work environments. These competencies ensure efficient project contributions, seamless teamwork, and high-quality user interface development on a flexible schedule.

What are the typical responsibilities of a Part Time Frontend Developer and how do they contribute to team projects?

As a Part Time Frontend Developer, your main responsibilities usually include translating design concepts into functional, visually appealing web interfaces, ensuring responsive layout across devices, and maintaining or updating front-end codebases. You often collaborate closely with full-time developers, designers, and sometimes backend teams to integrate new features or resolve bugs. While your hours may be limited, your contributions are vital for meeting project milestones, keeping user experiences consistent, and supporting the overall workflow. Communication and coordination are key, as you'll need to stay aligned with team members on priorities and project timelines.

What is a Part Time Frontend Developer job?

A Part Time Frontend Developer is responsible for creating and maintaining the user-facing aspects of websites or applications while working on a reduced-hour schedule. They use languages like HTML, CSS, and JavaScript, along with frameworks like React or Vue.js, to build responsive and interactive interfaces. This role is ideal for freelancers, students, or professionals looking for flexible work arrangements while contributing to frontend projects.

What are the most commonly searched types of Frontend Developer jobs in Philadelphia, PA? The most popular types of Frontend Developer jobs in Philadelphia, PA are:
What are popular job titles related to Part Time Frontend Developer jobs in Philadelphia, PA? For Part Time Frontend Developer jobs in Philadelphia, PA, the most frequently searched job titles are:
What job categories do people searching Part Time Frontend Developer jobs in Philadelphia, PA look for? The top searched job categories for Part Time Frontend Developer jobs in Philadelphia, PA are:
What cities near Philadelphia, PA are hiring for Part Time Frontend Developer jobs? Cities near Philadelphia, PA with the most Part Time Frontend Developer job openings:
Infographic showing various Part Time Frontend Developer job openings in Philadelphia, PA as of June 2026, with employment types broken down into 100% Part Time. Highlights an 74% In-person, and 26% Remote job distribution, with an average salary of $111,416 per year, or $53.6 per hour.
Front-End Engineer

Front-End Engineer

Delphinus Engineering

Philadelphia, PA • On-site, Remote

$75K - $125K/yr

Full-time, Part-time

Medical, Life, Retirement, PTO

Posted 28 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.