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Full Stack Software Developer Jobs in Philadelphia, PA

Mondo

Sr. Software Engineer (Full Stack)

Horsham, PA · Remote

$60 - $65/hr

Apply now: Sr. Software Engineer (Full Stack) , Remote (EST Hours Required). Start date is ASAP for this Contract-to-Hire position. Job Title: Sr. Software Engineer (Full Stack) Location-Type: Remote ...

Next Step Systems

Full Stack Developer

Philadelphia, PA · On-site

Full Stack Developer, Philadelphia, PA We are seeking a Full Stack Developer to work on a team building custom software for great customers using modern technologies and Agile methods. The Full Stack ...

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Full Stack Software Developer information

See Philadelphia, PA salary details

$22

$56

$82

How much do full stack software developer jobs pay per hour?

As of Aug 29, 2026, the average hourly pay for full stack software developer in Philadelphia, PA is $56.64, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $65.24 per hour, depending on experience, location, and employer.

What is a full stack software developer?

A full stack developer understands the entire “stack” or layers of programming within software technology. For this job, you should be familiar with all areas of software development and how they interact with other platforms. Your responsibilities include the development of front-end and back-end coding, an understanding of different servers, networks, and hosting environments, how to use application program interfaces (API), and managing quality assurance. Education requirements for this career include a bachelor’s degree in computer science or a related field. Jobs as a full stack software developer are a good foundation for a career in IT.

What is a full stack software developer?

A Full Stack Software Developer is a professional who is skilled in both front-end and back-end development. This means they can work on the user interface and experience (front-end), as well as the server, database, and application logic (back-end). Full Stack Developers are often proficient in multiple programming languages and frameworks, allowing them to build complete web or software applications from start to finish. Their versatility makes them valuable in teams that require a broad range of technical skills.

What are the key skills and qualifications needed to thrive as a full stack software developer?

To thrive as a Full Stack Software Developer, you need proficiency in both front-end and back-end programming languages (such as JavaScript, HTML/CSS, Python, or Java) and a solid understanding of software development principles, often supported by a degree in computer science or equivalent experience. Familiarity with frameworks like React or Angular, server-side technologies like Node.js or Django, version control systems (e.g., Git), and cloud platforms is highly valued, along with relevant certifications. Strong problem-solving, effective communication, and collaboration skills help you stand out in multidisciplinary teams and dynamic environments. These capabilities are essential for building robust, scalable applications and ensuring smooth project delivery across the software development lifecycle.

How does a full stack software developer typically collaborate with designers and other team members during a project?

Full Stack Software Developers often work closely with UI/UX designers, backend engineers, and product managers throughout the development process. They participate in planning sessions to understand design requirements, provide technical feedback, and help translate user interface mockups into functional features. Regular meetings and collaborative tools are usually employed to ensure alignment and smooth communication, making it essential for developers in this role to be proactive and open in sharing progress or challenges. This cross-functional teamwork helps deliver cohesive, user-friendly applications that meet business objectives.

What is the difference between Full Stack Software Developer vs Front End Developer?

AspectFull Stack Software DeveloperFront End Developer
SkillsProficient in both front-end and back-end technologies, including HTML, CSS, JavaScript, server-side languages, and databasesSpecializes in client-side technologies like HTML, CSS, JavaScript, and frameworks such as React or Angular
Work EnvironmentWorks on both server and client-side development, often handling entire application stacksFocuses primarily on designing and implementing user interfaces and user experience
Common UsageUsed in full project development, especially in startups and small teamsPrimarily involved in UI/UX design and front-end feature implementation

The main difference between a Full Stack Software Developer and a Front End Developer lies in their scope of work. Full Stack Developers handle both front-end and back-end development, enabling them to build complete applications. Front End Developers focus solely on creating engaging user interfaces. Your choice depends on whether you prefer working across the entire tech stack or specializing in user-facing features.

Is a full stack software developer still in demand?

Full stack software developers are currently in high demand due to their versatility in working with both front-end and back-end technologies. Skills in frameworks like React, Node.js, and cloud platforms increase employability, and demand is expected to remain strong as digital transformation continues across industries.
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For Full Stack Software Developer jobs in Philadelphia, PA, the most frequently searched job titles are:

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Cities near Philadelphia, PA with the most Full Stack Software Developer job openings:

Full Stack Software Developer jobs near you
Infographic showing various Full Stack Software Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $117,804 per year, or $56.6 per hour.

Sr. Full Stack Software Developer

Holtec International

Camden, NJ • On-site

Full-time

Re-posted 13 days ago

Holtec International rating

8.0

Company rating: 8.0 out of 10

Based on 16 frontline employees who took The Breakroom Quiz

180th of 495 rated machine equipment manufacturers

Job description

Job Summary:
Holtec International is a company focused on innovative solutions in the engineering sector. They are seeking a Senior Full Stack Software Developer to design, develop, and maintain enterprise applications while serving as a technical subject matter expert and partnering with stakeholders to deliver high-quality software solutions.
Responsibilities:
• Serve as the technical subject matter expert across a portfolio of enterprise applications
• Partner with internal stakeholders to gather requirements, define scope, and identify risks early
• Translate complex business processes into sound technical designs and deliver solutions independently
• Design and document application architecture and database structures
• Enforce coding standards, architectural patterns, and development best practices
• Architect scalable, maintainable solutions and evaluate existing systems for optimization
• Perform peer code reviews and uphold high standards of code quality
• Apply and promote secure software development practices
• Identify technical risks and provide clear, actionable solutions
• Develop well‑structured, efficient, and maintainable code
• Estimate and scope work independently in planning sessions
• Maintain and enhance system and code documentation
• Mentor and support junior developers where applicable
Qualifications:
Required:
• Bachelor’s degree in Computer Science, Engineering, or a related field, with 10+ years of professional software development experience in enterprise environments
• Deep expertise in C#, .NET Core, and .NET Framework, with experience developing, maintaining, and modernizing both modern and legacy codebases across full‑stack applications
• Strong full‑stack development and architecture experience, including RESTful APIs, front‑end technologies (Blazor, HTML5, CSS3, JavaScript, Bootstrap), and scalable system design utilizing SOLID principles, design patterns, dependency injection, and CQRS
• Advanced SQL Server expertise, including schema design, index strategy, stored procedures, query optimization, and execution plan analysis
• Experience with enterprise authentication and authorization (OAuth2, OIDC, Azure AD / Entra ID or similar), along with secure development practices
• Proven ability to lead and own architectural decisions at both application and database levels, while working effectively across complex, multi‑application enterprise environments
• Strong experience improving and navigating legacy codebases, with a focus on enhancing performance, scalability, and maintainability
• Experience with Git-based version control, collaborative code review, DevOps practices (CI/CD pipelines), and containerization technologies (Docker)
• Familiarity with performance profiling and troubleshooting tools, application modernization/migration (.NET Framework to .NET Core), and emerging development practices including AI-assisted coding tools
• Strong communication and stakeholder management skills, with the ability to translate business requirements into technical solutions, work independently, manage priorities, and deliver high-quality outcomes
• High attention to detail with a strong focus on code quality, documentation, and user experience, including UI/UX considerations
Company:
Holtec International is a global turnkey supplier of equipment and systems for the energy industry. Founded in 1986, the company is headquartered in Jupiter, USA, with a team of 501-1000 employees. The company is currently Late Stage.

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