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Senior Back End 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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All JobsBack End Developer JobsSenior Back End Developer JobsSenior Back End Developer Jobs in Philadelphia, PA

Senior Back End Developer information

See Philadelphia, PA salary details

$64.6K

$141.1K

$192.2K

How much do senior back end developer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for senior back end developer in Philadelphia, PA is $141,110.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,600.00 and $157,900.00 per year, depending on experience, location, and employer.

What is a senior back end developer?

Senior Back End Developers are experienced software engineers who specialize in building and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They collaborate with front end developers and other team members to ensure seamless integration and optimal performance of applications. Their responsibilities often include designing system architecture, optimizing code for scalability, implementing security best practices, and mentoring junior developers. Senior Back End Developers typically have several years of experience and a deep understanding of programming languages such as Java, Python, Ruby, or Node.js.

What are the key skills and qualifications needed to thrive as a senior back end developer?

To thrive as a Senior Back End Developer, you need advanced programming skills (such as in Python, Java, or Node.js), a deep understanding of server-side architecture, and experience with databases, often backed by a degree in computer science or related fields. Familiarity with frameworks (like Django or Spring), RESTful APIs, cloud platforms (AWS, Azure, or GCP), and version control systems (such as Git) is typically required, along with relevant certifications. Strong problem-solving, collaboration, and communication skills help you deliver robust solutions and mentor junior developers. These skills ensure scalable, secure, and maintainable back-end systems that are vital for reliable business operations.

What are some common challenges senior back end developers face when working on large-scale systems?

Senior Back End Developers often encounter challenges such as ensuring system scalability, maintaining high performance under increased load, and designing robust APIs that can evolve over time. They must also address complex data consistency issues and integrate with multiple third-party services or legacy systems. Collaborating closely with front end, DevOps, and QA teams is crucial to align on architecture decisions and streamline deployment processes, making strong communication and problem-solving skills essential.

What is the difference between Senior Back End Developer vs Backend Engineer?

AspectSenior Back End DeveloperBackend Engineer
Required CredentialsBachelor's in CS or related field, experience in backend developmentBachelor's in CS or related field, experience in backend systems
Work EnvironmentCollaborates with front-end developers, product managers, and QA teamsWorks on server-side logic, database integration, and API development
Industry UsageCommon in tech companies, startups, and enterprise software firmsUsed across similar industries, often interchangeably with Senior Back End Developer

Both roles require similar technical skills and educational backgrounds, focusing on server-side development. The main difference lies in the seniority level and scope of responsibilities, with Senior Back End Developers typically taking on more leadership and complex project tasks compared to Backend Engineers.

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

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

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

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

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

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

Senior Back End Developer jobs near you
Infographic showing various Senior Back End Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 71% Full Time, and 29% Contract. Highlights an 81% In-person, and 19% Remote job distribution, with an average salary of $141,110 per year, or $67.8 per hour.

Sr. Backend Engineer

Mondo

Media, PA • Remote

$90 - $105/hr

Contractor

Medical, Dental, Vision, Retirement

Re-posted 29 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