Top 52 Front end javascript engineer Jobs in Philadelphia, Pa

Frontend Engineer/UX Engineer
Asylon —Norristown, PA
- $100,000 - $140,000 a year
- Full-time
- Office
- 3 years
- In-person
- Disability insurance
- Relocation assistance
Quick Apply
7d
Front-End Engineer
Delphinus Engineering —Philadelphia, PA
- $75,000 - $125,000 a year
- Full-time
- Computer Science
- Mid-level
- 3 years
- Disability insurance
- Health insurance
Quick Apply
Frontend Developer - AI Trainer
DataAnnotation —Lafayette Hill, PA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Frontend Developer - AI Trainer
DataAnnotation —Marlton, NJ
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Android Software Engineer - AI Trainer
DataAnnotation —Philadelphia, PA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Android Developer - AI Trainer
DataAnnotation —Bensalem, PA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Junior Application Developer
Wistar —Philadelphia, PA
- $68,330 - $75,736 a year
- Full-time
- Remote
- Computer Science
- Customer service
- Bachelor of Science
- Paid holidays
- Disability insurance
10d
Freelance Front-End Developer
I-SITE —Philadelphia, PA
- Part-time
- Mid-level
- Office
- JavaScript
FRONT-END DEVELOPER
AYC Media —Conshohocken, PA
- Mid-level
- Presentation skills
- 2 years
- Dental insurance
- 401(k)
UI-UX Engineer
Delphinus Engineering —Philadelphia, PA
- $65,000 - $115,000 a year
- Full-time
- Hybrid work
- Computer Science
- Mid-level
- Windows
- Disability insurance
- Health insurance
Quick Apply
Principal front end developer
Intone Networks —Philadelphia, PA
- Contract
- 8 years
- Senior level
Software Developer (Front-End Developer)
Intellicomm Inc —Wayne, PA
- $70,000 - $90,000 a year
- Full-time
- Computer Science
- Bachelor of Science
- Mid-level
UI/UX Front End Developer - Camden, NJ
Two95 International Inc. —Camden, NJ
- Contract
- Hybrid work
- 6 years
- Senior level
Quick Apply
Senior Front End Developer
Two95 International Inc. —King of Prussia, PA
- Contract
- 5 years
- Research
- SQL
Quick Apply
Senior Software Engineer, Frontend
Perpay - Career's Page —Philadelphia, PA
- Weekends as needed
- Management
- Research
- Office
- Loan repayment program
- Relocation assistance
Software Engineer-Frontend
Globus Medical —Audubon, PA
- Full-time
- Computer science
- Computer Science
- Engineering
ASP Web Developer
ezBackOffice —Philadelphia, PA
- Urgently hiring
- Mid-level
WordPress WooCommerce Developer
Inverse Paradox —Philadelphia, PA
- Email
- Mid-level
- 3 years
- Linux
- Health insurance
- Dental insurance
Senior Web Application UI/UX Developer
Mavens Guild —Philadelphia, PA
- Full-time
- Computer science
- Computer Science
- 5 years
Quick Apply
U I Developer
Frontage Technologies —Moorestown, NJ
- Mid-level
- Office
- Communication skills

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Frontend Engineer/UX Engineer

Asylon -
Norristown, PA

Quick Apply

Job Details

Full-time
$100,000 - $140,000 a year
7 days ago

Benefits

Disability insurance
Relocation assistance
Health insurance
Dental insurance
401(k)
Paid time off
Vision insurance
Flexible schedule

Qualifications

Web design
3D modeling software
CSS
Mobile product development
Developing and maintaining backend systems
Web applications
Front-end development
Front-end component implementation
Back-end integration
3D modeling
Python
Debugging
HTML
Cross-functional communication
Mobile design

Full Job Description

About Us

Asylon is building the future of automated physical security

Founded by aerospace engineers out of MIT, Asylon exists to solve one of the world’s most fundamental problems: protecting people, property, and assets at scale. We design and deploy integrated robotics, software, and AI systems that operate continuously in the real world—where reliability is critical and failure is not an option. Our technology is already protecting lives and infrastructure every day.

The Asylon team brings deep roots in aerospace, defense, and mission-critical engineering, with experience spanning military aviation, naval defense platforms, and advanced commercial systems. That heritage shapes how we work: high standards, disciplined execution, and uncompromising integrity. We build and operate systems that deliver real outcomes for real customers.

We are assembling a team of engineers, operators, and leaders who want their work to matter—people who thrive in demanding environments, take pride in craftsmanship, and take ownership of results. At Asylon, you will help build category-defining technology, push the boundaries of what autonomous systems can do, and set the standard for an entirely new industry.

Our Product - Automated Physical Security

Our full-stack solution enables autonomous aerial and ground robots to operate persistently alongside human security teams—providing continuous situational awareness, rapid response capabilities, and actionable intelligence at scale. We believe the future of security is not humans or machines. It is humans + machines + AI working together—amplifying coverage, improving decision-making, and reducing risk.

Our platform transforms robots from experimental tools into dependable security assets. Deployed at customer sites today, Asylon systems conduct routine patrols, respond to incidents, and integrate directly into security operations—extending the reach of teams and fundamentally changing how physical security is delivered.

We are building the software infrastructure layer for the automated security economy. The work is exciting, and the mission is real.

Position

The Frontend Engineer builds the interfaces that customers and our operators use to monitor, control, and extract value from autonomous systems. This role develops web applications and dashboards that visualize live robotic operations, system health, analytics, and security events. You will partner with backend, product, and design teams to deliver fast, intuitive, and reliable user experiences. Success requires strong fundamentals, modern frontend framework experience, and a focus on usability in high-consequence environments. This role is for engineers who want their work used daily by real operators.

Primary duties include:

Develop and maintain the frontend of the DroneIQ platform. 
Collaborate closely with the backend team to troubleshoot and fix bugs in the Python-based backend. 
Implement responsive and intuitive user interfaces that enhance the user experience. 
Work with cross-functional teams to gather and understand requirements, and translate them into technical solutions. 
Ensure the quality and performance of the frontend code through testing and optimization. 
Contribute to the overall design and architecture of the platform.

Required Skills and Experience

Proven experience as a Frontend Engineer or similar role with at least 3 years of professional experience. 
Knowledge of RESTful APIs and integration with backend services. 
Strong proficiency in Vue, React, or Angular.js. 
Strong proficiency with JavaScript. 
Experience with HTML, CSS, and modern frontend frameworks. 
Experience designing websites for mobile device use. 
Experience with 3D visualization of scenes, including point clouds and images mapped onto a 3D model. 
Ability to troubleshoot and debug frontend and backend issues. 
Excellent problem-solving skills and attention to detail. 
Strong communication and teamwork abilities.

Preferred Skills and Experience:

Familiarity with version control systems, such as Git.
Experience developing apps for Android.
Experience with Python and backend development.
Experience with unit testing and end-to-end testing frameworks.
Knowledge of cloud services and deployment processes.
Experience with noSQL databases such as MongoDB.

Salary Range: $120,000.00-150,000.00 per year

The salary range for this role is an estimate and reflects base salary only. Actual compensation will vary based on factors such as experience, skills, education, and business needs. Full-time offers also include highly competitive equity as part of Asylon’s total compensation package. In addition, Asylon provides a comprehensive benefits package for full-time employees, including:

Comprehensive Benefits - medical, dental, and vision plans

Retirement savings plans – Traditional and Roth 401(k)

Income Protection – Asylon offers life and disability insurance for all team members

Generous Time Off – Competitive flexible PTO plans

Relocation Assistance – Available subject to role eligibility

Job Type: Full-time

Pay: $100,000.00 - $140,000.00 per year

Benefits:

401(k)
Dental insurance
Flexible schedule
Health insurance
Paid time off
Vision insurance

Application Question(s):

Answer only "yes" or "no". Are you a U.S. Person as defined by 22 C.F.R. §120.62? This includes U.S. Citizen, lawful permanent resident, refugee, or asylee.

Ability to Relocate:

Norristown, PA 19401: Relocate with an employer provided relocation package (Required)

Work Location: In person

Quick Apply

Refine Your Search

front end javascript engineer jobs in philadelphia, pa

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