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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 ...

New

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 ...

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 ...

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 ...

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 ...

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All JobsBackend Developer JobsSenior Backend Developer JobsSenior Backend Developer Jobs in Philadelphia, PA

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 9, 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 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 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 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:
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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 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $133,648 per year, or $64.3 per hour.

Senior Backend Engineer

Alivia Analytics

Newtown Square, PA • Remote

$115K - $165K/yr

Full-time

Medical, Dental, Vision, PTO

Re-posted 10 days ago

Job description

Job Title: Senior Backend Engineer

Location: Remote

Department: Engineering

Reports To: Director of Development

About Alivia Analytics

Alivia Analytics is transforming healthcare payment integrity through advanced analytics and AI. Our mission is to eliminate fraud, waste, and abuse in healthcare billing systems. We build scalable, secure, and intelligent platforms that empower payers to manage cost effectively while ensuring patient care remains unmatched and uncompromised.

About the Role

We are seeking a highly skilled and experienced Senior Backend Engineer to join our growing engineering team. This role is ideal for someone who thrives in a fast-paced environment, enjoys solving complex problems, and is passionate about building scalable backend systems using Python.

Key Responsibilities

  • Design, develop, and maintain robust and secure backend services and APIs using Python.
  • Implement configurable solutions that support customer-specific preferences without compromising code quality or long-term viability.
  • Collaborate with cross-functional teams including frontend engineers, data engineers, product managers, and security analysts.
  • Optimize application performance and scalability.
  • Collaborate with DevOps and QA teams to implement and maintain secure CI/CD pipelines and automated testing frameworks.
  • Ensure code quality through code reviews, unit testing, and documentation.
  • Participate in architectural discussions and contribute to technical decision-making.
  • Mentor junior engineers and promote best practices in backend development.

Required Qualifications

· 5+ years of professional experience in backend development.

  • Strong proficiency in Python and related backend frameworks (e.g., Django, FastAPI).
  • Experience with RESTful API design and microservices architecture.
  • Solid understanding of relational databases.
  • Familiarity with containerization (Docker, Kubernetes) and cloud platforms (AWS & Azure).
  • Excellent problem-solving skills and attention to detail.
  • Experience with git-based version control systems.
  • Strong communication and collaboration abilities.

Preferred Qualifications

  • Experience with asynchronous programming and event-driven architectures.
  • Knowledge of data pipelines and ETL processes.
  • Exposure to DevOps practices and infrastructure as code.
  • Contributions to open-source projects.

Company Description

Alivia Analytics is helping customers Achieve Healthcare Payment Integrity, Finally. By turning mountains of data into actionable answers, Alivia Analytics does the heavy lifting – delivering the accuracy, confidence and speed our customers need to solve their healthcare payment integrity challenges. Through the Alivia Analytics Healthcare Payment Integrity Suite we help private and public healthcare payers achieve payment integrity globally. In the US alone, up to 10% of every dollar spent is attributed to Fraud, Waste or Abuse that amounts to up to 370 Billion dollars lost annually. If your ambition is to grow your responsibilities and career while building world class analytic SaaS systems and fixing a huge problem for social good, please come and join us.