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Frontend Backend Developer Jobs in Philadelphia, PA

.Net Developer

Wilmington, DE · On-site

$46.75 - $61.75/hr

NET Developer to design, build, and maintain enterprise-grade web applications for a highly ... backend development expertise in .NET alongside a solid understanding of AngularJS front-end ...

Senior Software Engineer

Philadelphia, PA · On-site

$123K - $163K/yr

... frontend/backend programming technologies • Ability to learn, and implement new technologies efficiently • Ability to think independently while working and communicating your ideas with the team ...

The Software Engineer will be responsible for developing the web-based frontend for our Robotics ... Collaborating with backend engineers on API contracts and data flow * Supports manufacturing ...

The Software Engineer will be responsible for developing the web-based frontend for our Robotics ... Collaborating with backend engineers on API contracts and data flow * Supports manufacturing ...

The Software Engineer will be responsible for developing the web-based frontend for our Robotics ... Collaborating with backend engineers on API contracts and data flow * Supports manufacturing ...

NET Developer- Onsite for a Contract position in Wilmington, DE **W2 only contract, no 3rd parties ... Working knowledge of AngularJS front-end architecture and its integration with backend services.

Java Developer Contractor

Malvern, PA · On-site

$51.50 - $66.50/hr

Moving seamlessly between backend system architecture and modern front-end design, you will ... Key Responsibilities Backend Engineering & Cloud Architecture Scalable Application Design:

AI Developer

Philadelphia, PA · On-site

$104K - $122K/yr

... backend-adjacent tasks that help keep front-end solutions moving forward -Experience in federal ... Our Deloitte AI & Engineering team works to transform technology platforms, drive innovation, and ...

.NET Developer

Wilmington, DE · On-site

$46.75 - $61.75/hr

NET Developer to design, build, and maintain enterprise-grade web applications for the banking ... strong backend development expertise in .NET and a solid understanding of AngularJS front-end ...

Showing results 41-60

Frontend Backend Developer information

See Philadelphia, PA salary details

$12

$58

$85

How much do frontend backend developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for frontend backend developer in Philadelphia, PA is $58.26, according to ZipRecruiter salary data. Most workers in this role earn between $47.79 and $68.89 per hour, depending on experience, location, and employer.

What is a frontend backend developer?

Frontend Backend Developers, often referred to as Full Stack Developers, are professionals skilled in both the client-side (frontend) and server-side (backend) aspects of web development. They design and build user interfaces, ensuring a seamless and interactive experience for users, while also managing server logic, databases, and application integration. Their broad range of expertise allows them to work on multiple layers of a web application, bridging the gap between visual design and technical functionality. This versatility makes them valuable in creating fully functional and cohesive digital products.

What are the key skills and qualifications needed to thrive as a frontend backend developer?

To thrive as a Frontend Backend Developer, you need strong proficiency in web programming languages (such as JavaScript, HTML, CSS for frontend, and Node.js, Python, or Java for backend), as well as a solid understanding of software development principles. Familiarity with frameworks (like React, Angular, or Vue for frontend and Express, Django, or Spring for backend), version control systems (like Git), and relevant certifications such as AWS Certified Developer can be highly beneficial. Excellent problem-solving, communication, and teamwork skills help you effectively collaborate with cross-functional teams and address complex technical challenges. These combined skills ensure you can build, optimize, and maintain robust, scalable web applications that meet user and business needs.

How do frontend backend developers typically collaborate with designers and other developers in a project team?

Frontend Backend Developers often work closely with UI/UX designers to implement visually appealing and user-friendly interfaces based on design specifications. They also collaborate with backend specialists to ensure seamless integration between the client and server sides, often participating in code reviews and joint problem-solving sessions. Regular communication and agile methodologies, such as daily stand-ups and sprint planning, help coordinate tasks and ensure project goals are met efficiently. This collaborative environment allows developers to learn from each other and contribute to both the visual and functional aspects of web applications.

What is the difference between Frontend Backend Developer vs Web Developer?

AspectFrontend Backend DeveloperWeb Developer
Primary FocusClient-side interface and user experienceOverall website development, including both frontend and backend
Skills & TechnologiesHTML, CSS, JavaScript, UI/UX designHTML, CSS, JavaScript, server-side languages, databases
Work EnvironmentDesign and implement user interfaces, collaborate with designersBuild complete websites, integrate frontend with backend systems
CredentialsWeb development certifications, coding bootcampsSimilar certifications, broader skill set

While both roles involve web development, a Frontend Backend Developer specializes in either the client-side or server-side aspects, whereas a Web Developer often handles both areas to create complete websites.

Is a front-end backend developer a good career or backend developer?

A frontend backend developer is a role that combines skills in both client-side and server-side development, often requiring knowledge of programming languages like JavaScript, HTML, CSS, and backend frameworks. It can be a good career choice due to high demand for full-stack skills, competitive salaries, and opportunities to work on diverse projects. However, it requires continuous learning and proficiency in multiple technologies to stay current in the field.

What does a frontend and backend developer do?

A frontend developer designs and implements the visual elements of a website or application that users interact with, using languages like HTML, CSS, and JavaScript. A backend developer builds and maintains the server-side logic, databases, and APIs that support the frontend, often working with languages like Python, Java, or PHP. Both roles require collaboration and knowledge of development tools and frameworks to create functional, user-friendly digital products.

What are popular job titles related to Frontend Backend Developer jobs in Philadelphia, PA?

For Frontend Backend Developer jobs in Philadelphia, PA, the most frequently searched job titles are:

What job categories do people searching Frontend Backend Developer jobs in Philadelphia, PA look for?

The top searched job categories for Frontend Backend Developer jobs in Philadelphia, PA are:

What cities near Philadelphia, PA are hiring for Frontend Backend Developer jobs?

Cities near Philadelphia, PA with the most Frontend Backend Developer job openings:

Infographic showing various Frontend Backend Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $121,178 per year, or $58.3 per hour.

Contract Sr. Frontend Engineer

Waters Corporation

New Castle, DE • Hybrid

$118K - $162K/yr

Contractor

Re-posted 7 days ago


Job description

TA Instruments is a world leading Scientific Instrumentation company with a focus on Material Characterization. 

Our instruments are pivotal in: Electric Cars, 3D Printing, batteries, recyclable plastics, space suits, candy that melts in your mouth and not your hands, paint that goes on smooth and dries without streaks, even ensuring your French fries have the perfect crunch to them!  Material Science uniquely spans the fields of physics, chemistry, engineering, and manufacturing. 

Our instruments and software come together to aid in accelerating the design of new materials as well as the quality of manufacturing those materials.

We are looking for an experienced Sr. FrontEnd Engineer to join our Research and Development organization and contribute to the continued success of our Thermal Analysis and Rheology products.

This is a hybrid contract position (Requiring on-site for three days a week)


As a Software Engineer you will:

  • Research, design, develop and release/maintain: User interface, Data analysis, Instrument control software for thermal analysis, rheological, and calorimetric instruments.
  • Work within a formal development process covering the full development lifecycle.
  • Provide code and supporting documentation in accordance with the coding guidelines, quality processes and applicable procedures, including team's definition of done.
  • Keep a pro-active attitude to ensure continuous improvement of the software quality, work process and individual skills.
  • Provide contributions to the application architecture with a focus on scalability, maintainability, and performance.
  • Develop and maintain scalable, responsive web applications using ReactJS and TypeScript.
  • Work closely with UX/UI designers, back end engineers, product managers, and Test Automation team to translate requirements into technical implementations.
  • Build and extend reusable component libraries and adhere to established design systems.
  • Optimize application performance for fast load times and smooth user interactions.
  • Participate in code reviews, sharing constructive feedback with peers.
  • Write unit and integration tests to ensure code quality and reliability.
  • Troubleshoot and resolve technical issues, collaborating with the team to maintain application stability.
  • Stay informed about emerging front end trends, tools, and technologies, and suggest improvements.

 As a Team Member you will:

  • Participate in all team meetings and ceremonies in direct collaboration with other sites, provide input and feedback, take ownership on identified improvements.
  • Actively participate in learning and sharing activities either during informal or formal training and demos.
  • Demonstrate continuous technical improvement.

Education:

  • You have a Bachelors Degree (preferably in a science related subject or in engineering)

Experience:

  • 5+ years of professional front-end development experience.
  • 5+ years of hands-on experience with ReactJS in production environments.
  • Strong proficiency in TypeScript, including advanced typing, generics, and interfaces.
  • Deep understanding of HTML5, CSS3, and modern layout techniques.
  • Experience with state management libraries.
  • Familiarity with front end build tools and bundlers.
  • Proficient in writing unit and integration tests using frameworks.
  • Experience with RESTful APIs integration.
  • Solid understanding of web accessibility standards (WCAG) best practices.
  • Excellent problem-solving skills and attention to detail.

Desired:

  • Experience with server-side rendering frameworks.
  • Knowledge of CI/CD pipelines and infrastructure as code.
  • Familiarity with design tools (Figma) and collaborating with design teams.
  • Experience with performance monitoring and analytics tools.
  • Familiarity with TailWind & ReactQuery.
  • Strong communication skills and ability to work effectively in cross-functional teams.
For you it’s more than a job. Among other things we’re strong advocates of creating quality software, and using the latest testing methodologies to ensure we meet the expectations of our customers.

Waters Corporation (NYSE:WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service. With a focus on regulated, high-volume testing environments, our innovative portfolio harnesses deep scientific expertise across chemistry, physics, and biology. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Through a shared culture of relentless innovation, our passionate team of ~16,000 colleagues turn scientific challenges into breakthroughs that improve lives worldwide. 

Diversity and inclusion are fundamental to our core values at Waters Corporation. It benefits our employees, our products, our customers and our community. Waters complies with all applicable federal, state, and local laws. Qualified applicants are considered without regard to sex, race, color, ancestry, national origin, citizenship status, religion, age, marital status (including civil unions), military service, veteran status, pregnancy (including childbirth and related medical conditions), genetic information, sexual orientation, gender identity, legally recognized disability, domestic violence victim status, or any other characteristic protected by law. Waters is proud to be an equal opportunity workplace and is an affirmative action employer. All hiring decisions are based solely on qualifications, merit, and business needs at the time.