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Senior Backend Developer Jobs in Philadelphia, PA

Mondo

Sr. Backend Engineer

Media, PA · Remote

$90 - $105/hr

Senior Backend Software Engineer (Java/Go), Hybrid - Onsite 4 Days/Week. Start date is ASAP for this Contract position. Job Title: Senior Backend Software Engineer (Java/Go) Location-Type: Hybrid ...

Comcast

Sr. Backend Engineer - Xumo

Philadelphia, PA · Remote

As a Senior Backend Engineer on the Xumo Software Engineering Team, you will play a key role in building and optimizing the backend infrastructure that powers our video streaming services. This ...

Net Orbit

Sr. Java Backend Developer

Wilmington, DE · On-site

$49 - $63.50/hr

Sr. Java Developer Wilmington, DE/NYC/Atlanta, GA Need resumes. Resource with 10-15 years hands on ... Java Backend Developer • Java Developer - Preferable with Java 1.8 (java 8 features) experience ...

Abacum

Senior Back End Engineer

Barrington, NJ · Remote

We are looking for... ... talented engineers who possess infinite curiosity to solve complex problems not existing in the market (multi dimensional real time calculations engine), are excited to ...

Zero21

Senior Backend Engineer

Philadelphia, PA · On-site +1

Founded December 2020, we're headquartered in Philly and have engineers in NYC, Philly, LA, and TX. The Role We are building a unified software platform for treatment centers to streamline their ...

Zero21

Senior Backend Engineer

Philadelphia, PA · Remote

Founded December 2020, we're headquartered in Philly and have engineers in NYC, Philly, LA, and TX. The Role We are building a unified software platform for treatment centers to streamline their ...

Pronix Inc

Senior Java Developer with AWS

Malvern, PA · On-site

$56.25 - $71.75/hr

Backend Developer (AWS, Python, Java ) 2 Positions- Only W2 Location: Malvern, PA (Hybrid 3 days in office and 2 days remote) Duration: 12 Months Key responsibilities Design and develop backend ...

Net Orbit

Java Developer(mid-level)

Wilmington, DE · On-site

$49.50 - $64/hr

Sr. Java Developer Wilmington, DE/NYC/Atlanta, GA • Strong Java programming skills • 5-9 years ... Java Backend Developer • Java Developer - Preferable with Java 1.8 (java 8 features) experience ...

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Senior Backend Developer information

See Philadelphia, PA salary details

$61.2K

$133.6K

$182.1K

How much do senior backend developer jobs pay per year?

As of Aug 29, 2026, the average yearly pay for senior backend developer in Philadelphia, PA is $133,648.00, according to ZipRecruiter salary data. Most workers in this role earn between $115,200.00 and $149,600.00 per year, depending on experience, location, and employer.

What does a senior backend developer do?

A Senior Backend Developer is responsible for designing, building, and maintaining the server-side logic of web applications. They work with databases, APIs, and server infrastructure to ensure that applications run smoothly, securely, and efficiently. In addition to writing robust code, they often mentor junior developers, contribute to architectural decisions, and collaborate with frontend teams to deliver seamless user experiences. Their expertise is crucial for scaling applications and implementing best practices in software development.

What are the key skills and qualifications needed to thrive as a senior backend developer, and why are they important?

To thrive as a Senior Backend Developer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), deep understanding of API design, and experience with database management, often supported by a degree in computer science or related field. Familiarity with version control systems (like Git), cloud platforms (such as AWS or Azure), and relevant certifications in backend technologies are commonly required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and mentor junior developers. These competencies ensure robust, scalable backend systems and drive successful project delivery in complex technical environments.

What are common challenges senior backend developers face when leading complex projects, and how can they address them?

Senior Backend Developers often encounter challenges such as integrating legacy systems with new technologies, ensuring scalability under increased load, and coordinating cross-functional teams for seamless feature delivery. Addressing these challenges typically involves proactive architectural planning, clear communication with frontend and DevOps teams, and adopting best practices like code reviews and automated testing. Staying updated on emerging technologies and fostering a culture of knowledge sharing within the team also help in overcoming technical obstacles and driving successful project outcomes.

What is the difference between Senior Backend Developer vs Backend Developer?

AspectSenior Backend DeveloperBackend Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesDesign architecture, mentor juniors, optimize systemsImplement features, fix bugs, write code
Skills & CertificationsAdvanced coding, system design, relevant certificationsBasic coding, database knowledge
Work EnvironmentCollaborates with cross-functional teams, often in larger projectsFocuses on individual tasks within projects

The main difference between a Senior Backend Developer and a Backend Developer lies in experience, responsibilities, and leadership. Senior Backend Developers typically have more years of experience, take on complex system design, and mentor junior staff, whereas Backend Developers focus on implementing features and fixing bugs. Both roles are essential in backend development teams, but the senior role involves more strategic and leadership duties.

What are the most commonly searched types of Backend Developer jobs in Philadelphia, PA?

The most popular types of Backend Developer jobs in Philadelphia, PA are:

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

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

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

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

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

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

Senior Backend Developer jobs near you
Infographic showing various Senior Backend Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 84% Full Time, 5% Part Time, and 11% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $133,648 per year, or $64.3 per hour.

Sr. Backend Engineer

Mondo

Media, PA • Remote

$90 - $105/hr

Contractor

Medical, Dental, Vision, Retirement

Re-posted 6 days ago

Job description

Apply now: Senior Backend Software Engineer (Java/Go), Hybrid - Onsite 4 Days/Week. Start date is ASAP for this Contract position. Job Title: Senior Backend Software Engineer (Java/Go) Location-Type: Hybrid - Onsite 4 Days/Week, Remote Fridays - Philadelphia, PA Start Date: ASAP Duration: Until end of 2026 Compensation Range: $90-105/hr W2 Benefits: Eligible for Health, Dental, Vision, and 401K Visa Sponsorship: Not eligible for visa sponsorship Job Description: The client is seeking a Senior Backend Software Engineer to design, develop, and maintain scalable backend microservices and event-driven systems that power critical product functionality across the organization. Job Summary Design, develop, and maintain backend microservices using Java/Spring Boot and Go Build and support high-performance RESTful APIs and distributed services Develop and maintain event-driven architectures utilizing Kafka and similar messaging platforms Work within containerized, cloud-native environments using Docker and Kubernetes Collaborate across engineering teams while maintaining ownership of assigned workstreams Leverage AI-powered development tools such as GitHub Copilot and Claude to accelerate delivery Troubleshoot complex production issues and drive resolution through root cause analysis Minimum Requirements: 7 years of backend software engineering experience Strong hands-on experience with Java, Spring Boot, and Go (Golang) Proven experience designing and building RESTful APIs and distributed systems Experience with Kafka or comparable event-driven messaging platforms (JMS, RabbitMQ) Strong experience with Docker and Kubernetes in cloud-native environments Experience with one or more of the following databases: PostgreSQL, MongoDB, or Couchbase Demonstrated ability to independently ramp on complex systems and deliver results with minimal oversight Preferred Qualifications: Experience with performance and load testing tools such as K6 Experience implementing BDD frameworks, including Cucumber Familiarity with Istio, AWS EKS, or AWS MSK Background in startup or smaller-company environments where engineers owned multiple responsibilities Exposure to service mesh architectures and operating large-scale cloud-native applications