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Top Senior Level Front-End Developer Jobs in Philadelphia, PA

1,674+ Job Results
22 Days Ago
Ambler, PA, USA
2,213 Employees
Senior level
2,213 Employees
Senior level
Real Estate
The Senior Solutions Architect will design APIs, frontend architecture, and Salesforce solutions, focusing on integrations and building tools for an event-based architecture. They will identify security vulnerabilities, enforce architecture standards, and create documentation for developers, ensuring scalable and high-value solutions in collaboration with product management.
23 Days Ago
Conshohocken, PA, USA
45 Employees
Senior level
45 Employees
Senior level
Cloud • Mobile • Software • Design
As a Sr. Software Engineer at Syzygy, you'll design and implement custom software solutions for law enforcement and first responders. You'll work in an Agile Scrum environment, engineering solutions that include hardware interfaces and applications across multiple platforms while collaborating with engineers and stakeholders.
7 Minutes Ago
2 Locations
Remote
900 Employees
Senior level
900 Employees
Senior level
Gaming • Machine Learning • Mobile • Software
As a Senior Software Engineer in the Ads team, you'll design, build, and maintain innovative advertising products, collaborate across engineering teams, and own projects from inception to launch while ensuring a high product quality and implementing best practices.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+36 More
22 Minutes Ago
United States
Remote
210 Employees
Senior level
210 Employees
Senior level
Fitness • Healthtech • Software
As a Senior iOS Engineer at MyFitnessPal, you will manage the lifecycle of Premium subscriptions, conduct data analysis to enhance subscriber experiences, and develop and innovate Premium features. You will collaborate with design teams, improve user experiences, mentor junior developers, and implement technical solutions to meet business goals.
2 Hours Ago
United States
Remote
84 Employees
165K-185K Annually
Senior level
84 Employees
165K-185K Annually
Senior level
Information Technology • Software • Analytics
The role involves developing new features for the backend stack, optimizing database queries, and working collaboratively in an Agile environment. The engineer will also participate in code reviews and enhance database features, improving the overall system's scalability.
3 Hours Ago
United States
Remote
111 Employees
150K-220K Annually
Senior level
111 Employees
150K-220K Annually
Senior level
Renewable Energy
As a Senior or Staff Software Engineer in Test and Automation, you will establish robust automation testing frameworks, drive test automation strategies, and support continuous integration for efficient software delivery. You will work with the team to enhance automated test coverage and improve product quality throughout the development cycle.
3 Hours Ago
US
Remote
1,880 Employees
Senior level
1,880 Employees
Senior level
Software
The Senior Technical Lead at OutSystems will design and lead innovative application solutions using OutSystems. Responsibilities include owning project execution, architecting solutions, mentoring teams, and resolving technical challenges in collaboration with customers. A strong emphasis is placed on software development best practices and industry methodologies.
3 Hours Ago
United States of America
Remote
17,673 Employees
68K-144K Annually
Senior level
17,673 Employees
68K-144K Annually
Senior level
Information Technology
The SharePoint Developer optimizes technical expertise to provide SharePoint and Power Platform development support. Responsibilities include gathering requirements, designing site architectures, developing Power Apps, customizing SharePoint, training users, and assisting functionality within Microsoft 365.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+19 More
13 Hours Ago
2 Locations
17,673 Employees
79K-165K Annually
Senior level
17,673 Employees
79K-165K Annually
Senior level
Information Technology
The Power Apps Developer will build complex model-driven applications and web portals using Microsoft Power Platform technologies. Responsibilities include collaborating within an Agile Scrum team, supporting data requirements, ensuring alignment with business processes, managing user tickets, and leading Integrated Product Teams while adhering to cybersecurity measures.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+19 More
3 Hours Ago
USA
Remote
510 Employees
Senior level
510 Employees
Senior level
AdTech • Digital Media • News + Entertainment • Other
The Senior Backend Engineer at Axios will lead the evolution and maintenance of backend architecture and services, collaborating with product and data teams, mentoring junior developers, and driving strategic technical initiatives. Responsibilities include improving platform performance, addressing technical debt, and advocating for engineering standards across the organization.
Top Benefits:
401-K
Commuter Benefits
Company Outings
+44 More
4 Hours Ago
USA
Remote
129 Employees
105K-135K Annually
Senior level
129 Employees
105K-135K Annually
Senior level
Software
As a Senior Integration Engineer, you will ensure seamless integration of our software with external systems for renewable energy assets, manage client onboarding, lead testing phases, provide ongoing support after integrations go live, and work collaboratively with clients and internal teams.
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