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Junior User Interface Developer Jobs in Philadelphia, PA

UI-UX Engineer

Philadelphia, PA · Hybrid

$65K - $115K/yr

  • Medical

  • Life

  • Retirement

  • PTO

The UI/UX Engineer will support the Government to ensure Condition-Based Maintenance (CBM) systems evolve through a cohesive, data-driven approach. LOCATION: Philadelphia, PA PRINCIPAL DUTIES ...

... UI Developers to ensure objectives are met. • Consistent exercise of independent judgment and discretion in matters of significance. • Regular, consistent and punctual attendance. • Other ...

UI-UX Engineer

Philadelphia, PA · On-site

$65K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The UI/UX Engineer will support the Government to ensure Condition-Based Maintenance (CBM) systems evolve through a cohesive, data-driven approach. LOCATION: Philadelphia, PA PRINCIPAL DUTIES ...

Creative UI/UX Developer

Trenton, NJ · On-site

$50.25 - $65.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Very strong CSS3 and HTML5 skills. Solid Photoshop/GIMP and mockup ...

We are expanding our ICyte Application team with a skilled Frontend Developer who will build high‑quality, scalable, and performant user interfaces for our analytics and workflow applications. This ...

We are expanding our ICyte Application team with a skilled Frontend Developer who will build high-quality, scalable, and performant user interfaces for our analytics and workflow applications. This ...

Sr. React Engineer

Philadelphia, PA · On-site

$131K - $163K/yr

... the UI developer community. • Works on multiple projects within an Agile/Scrum team in accordance with business priorities. • Develop asynchronous back-end APIs and frontend workflows. • ...

Senior UX/UI Design Contractor We're O3 -- a design and technology consulting firm that helps ... This role will work closely with our researchers, developers, and project managers to solve real ...

Senior UX/UI Design Contractor We're O3 -- a design and technology consulting firm that helps ... This role will work closely with our researchers, developers, and project managers to solve real ...

Showing results 21-40

Junior User Interface Developer information

See Philadelphia, PA salary details

$24.2K

$89.8K

$138.8K

How much do junior user interface developer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for junior user interface developer in Philadelphia, PA is $89,784.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,600.00 and $87,800.00 per year, depending on experience, location, and employer.

What is the difference between Junior User Interface Developer vs Junior Front-End Developer?

AspectJunior User Interface DeveloperJunior Front-End Developer
Required SkillsUI design, HTML, CSS, basic JavaScriptHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentFocus on UI/UX design and implementationBroader front-end development including functionality and interactivity
Common UsageDesign-focused roles in web projectsDevelopment roles involving coding and building web interfaces

While both roles involve front-end skills, a Junior User Interface Developer primarily focuses on designing and implementing user interfaces, emphasizing UI/UX principles. A Junior Front-End Developer has a broader scope, including coding, integrating APIs, and ensuring functionality. The roles often overlap, but the UI Developer leans more toward design, whereas the Front-End Developer covers both design and development tasks.

What are the most commonly searched types of User Interface Developer jobs in Philadelphia, PA?

The most popular types of User Interface Developer jobs in Philadelphia, PA are:

What cities near Philadelphia, PA are hiring for Junior User Interface Developer jobs?

Cities near Philadelphia, PA with the most Junior User Interface Developer job openings:

Infographic showing various Junior User Interface Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 64% Full Time, and 36% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $89,784 per year, or $43.2 per hour.

$65K - $115K/yr

Full-time, Part-time

Medical, Life, Retirement, PTO

Re-posted 10 days ago


Job description

SALARY RANGE: $65,000 - $115,000 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 User Interface/User Experience (UI/UX) Engineer (UX Designer) position translates user research into visually compelling and highly usable product experiences. This hybrid role blends UX design expertise with light front-end engineering skills to turn insights into real, user-centered improvements. The UI/UX Engineer will support the Government to ensure Condition-Based Maintenance (CBM) systems evolve through a cohesive, data-driven approach.

LOCATION: Philadelphia, PA

PRINCIPAL DUTIES/RESPONSIBILITIES:

  • Turn research insights into user flows, wireframes, prototypes, and polished UI designs
  • Architect intuitive end-to-end workflows and interaction patterns
  • Make targeted front-end updates/recommendations, to refine usability
  • Collaborate with lead system engineers, UI/UX researchers, and engineers to deliver cohesive product solutions
  • Support usability testing, design validation, and continuous iteration processes
  • Maintain design systems and contribute scalable UI components
  • Communicate design rationale clearly and persuasively

EDUCATION AND EXPERIENCE REQUIREMENTS:

  • Bachelor’s degree in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems from an accredited college or university.
  • 3 years of experience administrating Windows and Unix based Operating Systems including the development, updating, or testing of computer software.
  • Experience in identifying trends and problems through complex big data analysis preferred.
  • Working knowledge of fundamental concepts, practices, and procedures of naval shipboard hull, mechanical, and electrical 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.
  • CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP certification preferred.

SKILLS AND ABILITIES:

Essential Skills:

  • 3-5+ years in UI/UX, Product Design, or UX Engineering.
  • Portfolio showcasing research translation, UX flows, and deployed product work.
  • Strong command of tools for wireframes and high-fidelity UI (i.e. Figma).
  • Ability to convert research findings into actionable design improvements.
  • Working knowledge of front-end development tools (i.e. HTML, CSS/SASS, and JavaScript).
  • Understanding of responsive design and accessibility standards.
  • Strong collaboration and presentation skills.

Additional Preferred Skills:

  • Motion/micro-interaction design experience.
  • Experience working with version control (i.e. Git) and collaborating in engineering workflows.
  • Familiarity with analytics tools to inform design decisions.
  • Experience in technical, enterprise, or data-heavy product environments.
  • Ability to execute lightweight UX research, to understand what users need, outside of a formal research project.