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Sr Frontend Developer Jobs in Pennsylvania (NOW HIRING)

Senior Front-End Developer

Indiana, PA ยท On-site

$105K - $138K/yr

Participates in code reviews andmentorsjunior front-end engineers * Troubleshoots production UI issues and implements fixes * Continuously improves front-end development processes, tooling, and ...

Senior Frontend Web Developer

Cork, KY ยท On-site

$115K - $152K/yr

You will have hands on commercial experience working as a Senior Frontend Developer \/ Web Developer and you will have commercial experience buiding things in using JavaScript & CSS. \n \n

Senior Frontend Engineer

Malvern, PA ยท On-site

$120K - $165K/yr

RIT Solutions, Inc. is seeking a Senior Frontend Engineer with strong UI expertise and hands-on ... agentic IDEs to improve developer productivity. Company : Jobdiva Job Portal: Recruitment ...

Senior Frontend Engineer

Pittsburgh, PA ยท Remote

$113K - $156K/yr

Senior Frontend Engineer** for an opportunity in healthcare technology. This role is designed for an experienced professional who can deliver high-quality work, collaborate across teams, and turn ...

Front End Developer

Philadelphia, PA ยท On-site

$99K - $115K/yr

... Senior Developers, and Co-op. โ€ข Incorporate designs and potentially work with UX designers for brand new application capabilities. Qualifications : Required : โ€ข 2-5 years of relevant front end ...

Sr. Developer (Front End)

Indiana, PA ยท Remote

$105K - $138K/yr

Participates in code reviews andmentorsjunior front-end engineers * Troubleshoots production UI issues and implements fixes * Continuously improves front-end development processes, tooling, and ...

Sr. Optimizely Developer

Philadelphia, PA ยท Remote

$116K - $152K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

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Sr Frontend Developer information

What is a Sr Frontend Developer?

Sr Frontend Developers are experienced software engineers who specialize in building and optimizing the user interfaces of web applications. They are responsible for translating design mockups into interactive, responsive, and accessible web pages using technologies like HTML, CSS, and JavaScript frameworks (such as React, Angular, or Vue). In addition to coding, Sr Frontend Developers often lead technical decisions, mentor junior developers, and collaborate closely with designers and backend engineers to deliver high-quality user experiences. Their expertise ensures that web applications are visually appealing, performant, and user-friendly.

What are the key skills and qualifications needed to thrive as a Sr Frontend Developer?

To thrive as a Sr Frontend Developer, you need deep expertise in HTML, CSS, JavaScript, and modern front-end frameworks like React or Angular, usually backed by a degree in computer science or equivalent experience. Advanced knowledge of tools such as Git, Webpack, RESTful APIs, and proficiency with testing frameworks is typically required. Outstanding problem-solving abilities, strong collaboration, and effective communication set top performers apart in this role. These skills ensure the delivery of high-quality, user-friendly interfaces and seamless teamwork in fast-paced development environments.

What are some common challenges faced by Sr Frontend Developers when working on cross-functional teams?

Sr Frontend Developers often collaborate closely with backend engineers, UX/UI designers, and product managers. A common challenge in these environments is ensuring clear communication of technical requirements and design expectations to avoid misunderstandings that can lead to rework. Balancing user experience with technical feasibility is another frequent hurdle, especially when negotiating priorities between design vision and performance constraints. Effective Sr Frontend Developers proactively bridge gaps through strong documentation, regular alignment meetings, and by advocating for best practices in both development and design.

What is the difference between Sr Frontend Developer vs Frontend Developer?

AspectSr Frontend DeveloperFrontend Developer
Required ExperienceTypically 5+ years, leadership skills1-3 years, entry to mid-level
ResponsibilitiesAdvanced coding, mentoring, project leadershipImplementing UI features, bug fixes
Skills & CertificationsExpertise in JavaScript, frameworks, leadershipHTML, CSS, JavaScript basics
Work EnvironmentSenior roles in teams, project planningDevelopment teams, collaborative projects

The main difference between a Sr Frontend Developer and a Frontend Developer lies in experience, responsibilities, and leadership. Senior developers handle complex tasks, mentor others, and lead projects, while frontend developers focus on implementing features and fixing bugs. Both roles require strong JavaScript, HTML, and CSS skills, but senior roles demand more experience and strategic input.

What job categories do people searching Sr Frontend Developer jobs in Pennsylvania look for?

The top searched job categories for Sr Frontend Developer jobs in Pennsylvania are:

What cities in Pennsylvania are hiring for Sr Frontend Developer jobs?

Cities in Pennsylvania with the most Sr Frontend Developer job openings:

Infographic showing various Sr Frontend Developer job openings in Pennsylvania as of August 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution.

SR. FRONT-END WEBSITE DEVELOPER

RIT Solutions, Inc.

Canonsburg, PA โ€ข On-site

$105K - $138K/yr

Full-time

Re-posted 9 days ago


Job description

Job Summary:
RIT Solutions, Inc. is seeking a Senior Front-End Website Developer to provide technical guidance and mentorship to junior developers. The role involves working closely with business users to implement front-end website changes and ensuring alignment with the website strategy.
Responsibilities:
โ€ข Provide technical guidance and mentorship to junior front-end developer and team
โ€ข Work closely with business users to perform front-end website change activities, including image modifications, layout changes, and page creation in accordance with a defined change management process
โ€ข Monitor and analyze change requests to ensure alignment with website strategy and direction
Qualifications:
Required:
โ€ข Provide technical guidance and mentorship to junior front-end developer and team
โ€ข Work closely with business users to perform front-end website change activities, including image modifications, layout changes, and page creation in accordance with a defined change management process
โ€ข Monitor and analyze change requests to ensure alignment with website strategy and direction
Company:
Jobdiva Job Portal: https://www1.jobdiva.com/candidates/myjobs/searchjobsdone.jsp?a=xbjdnwgjodtga1y1im2g881fkkeiwd0775lbvq8yqgps8vb2q36w2vj1ga6xxork&compid=-1 Recruitment (contingency search and campus selection). Founded in 2019, the company is headquartered in Arlington, USA, with a team of 201-500 employees. The company is currently Growth Stage.