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User Interface Developer Contract Jobs in Philadelphia, PA

Marencor

UI Developer/ React/Node

Wilmington, DE · On-site

$165 - $180/hr

Title: UI Developer/ React/Node Location: Hybrid/KS / Chicago, IL / IA / Manassas, VA / Wilmington, DE Salary: $165-180 Target A Staff Engineer is the continuation of an individual contributor role ...

Delphinus Engineering

UI-UX Engineer

Philadelphia, PA · Hybrid

$65K - $115K/yr

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 ...

Delphinus Engineering

UI-UX Engineer

Philadelphia, PA · On-site

$65K - $115K/yr

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 ...

Deegit Inc

UI/UX Design Lead

Philadelphia, PA · On-site

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

Jobsbridge

Creative UI/UX Developer

Trenton, NJ

$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 ...

Mondo

Sr. UI Designer

Middle City West, PA · Remote

$66 - $69/hr

Start date is ASAP for this contract position. Job Title: Sr. UI Designer Location-Type: Remote (East Coast or Central time zone preferred) Start Date: ASAP Duration: 6 Month Contract Compensation ...

IntegriChain

UI/UX Front End Developer

Philadelphia, PA · On-site

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 ...

IntegriChain

UI/UX Front End Developer

Philadelphia, PA · On-site +1

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 ...

Ascensus

Associate UI Engineer

Dresher, PA · On-site

$60 - $80/hr

Full Stack, Front‑End/UI, Back‑End, Software Quality/Test Automation, Data Engineering, Data ... Science, DevOps, and Video Interview Process. The role requires no visa sponsorship. Position ...

Anagh Technologies, Inc.

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. • ...

O3 World

Sr UX/UI Design Contractor

Philadelphia, PA · Remote

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 ...

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All JobsUser Interface Developer Contract JobsUser Interface Developer Contract Jobs in Philadelphia, PA

User Interface Developer Contract information

See Philadelphia, PA salary details

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How much do user interface developer contract jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for user interface developer contract in Philadelphia, PA is $55.43, according to ZipRecruiter salary data. Most workers in this role earn between $48.51 and $63.08 per hour, depending on experience, location, and employer.

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:

User Interface Developer Contract jobs near you

UI Developer/ React/Node

Wilmington, DE • On-site

Marencor
See more jobs at Marencorexternal

$165 - $180/hr

Full-time

Re-posted yesterday

Key responsibilities

  • Perform code reviews to uphold best practices and architectural patterns.

  • Design new software implementation patterns for scalable consumption.

  • Create system documentation and mentor junior team members.

Job description

Title: UI Developer/ React/Node

Location: Hybrid/KS / Chicago, IL /  IA / Manassas, VA / Wilmington, DE

Salary: $165-180 Target

Job Description:

A Staff Engineer is the continuation of an individual contributor role that begins to focus on the scaling of engineering. The person in this role is responsible for the design, development, modification, analysis and implementation of software programming applications for the various subsidiaries of the corporation.  They are responsible for updating and/or enhancing existing software capabilities applying principles and techniques of computer science, engineering, and mathematical analysis.    

Core Responsibilities:

  • Perform code review upholding best practices and architectural patterns (25%)
  • Design new software engineering implementation patterns for consumption at scale (25%)
  • Solving complex business challenges leveraging new and existing technology (35%)
  • Creating system documentation and mentoring junior team members (10%)
  • Perform recruiting screening and technical assessments of incoming candidates (5%)

Other Duties:

  • Promote innovation with the courage to challenge norms.
  • Tackle complex problems using simplification and experimentation.
  • Guard product quality through diligence in security, performance, and observability.
  • Aggressively seek out technical debt, in both process and code, and ideate on faster delivery.
  • Maintain and refine metrics for engineering success. Advocate for these through code review.
  • Invest in mentoring team members. Nurture growth in autonomy through critical thinking, problem analysis, and technical maturity.Proposes software solutions. 
  • Develops, designs, and edits original applications, or modifies third-party applications. 
  • Tests and approves applications. 
  • Analyze and define software requirements to determine specifications and standards; provides feedback on business requirements to fully leverage technology to improve business functions.
  • Produces significant new system functionality or defect resolution with minimal direction.
  • Can perform adequate peer review on any changes in the system.
  • Can be consulted to provide recommendations to solve business issues based on experience and knowledge of current technology. 
  • May provide rotating on-call support of production systems.
  • Partner with the various subsidiaries to create a vision for future advancement of our applications.
  • Travel for this position is approximately 5-10%.

Qualifications

  • 7+ years’ experience in java or object-oriented programming
  • 7+ years of React experience
  • 5+ years of Nextjs experience
  • 5+ years’ experience in an agile environment
  • 5+ years’ experience in integrating systems through APIs
  • Ability to communicate complex ideas into technical implementation requirements
  • Experience working in an agile environment focusing on iterative delivery
  • Ability to convey complex problems (technical or organizational) concisely, accompanied by thoughtfully proposed solutions
  • Performs work independently. 
  • Uses advanced techniques, theories, and processes to complete work.
  • Software Development Life Cycle experience.
  • Ability to thrive and produce results with little or no supervision in a fast-paced, entrepreneurial environment.
  • Excellent communication skills with ability to interact seamlessly at all levels with both technical and business stakeholders.
  • Superior problem solving and analytical skills.
  • Bachelors Degree in Computer Science, Information Technology, Information Systems, or a related discipline. Equivalent experience and/or alternative qualifications will be considered.