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Senior Backend Python Jobs in Claymont, DE (NOW HIRING)

Python AI Developer- Lead

Malvern, PA ยท On-site

$137K - $168K/yr

Expected to have development skills, especially backend (Python). * May need to write and test code ... Collaborate with Senior Product Manager on end objectives to help design and iterate on end-client ...

Stack - Python - PostgreSQL - Kubernetes Methodology - Agile/Scrum - Data driven Skills - Product mindset - Team player - Complex data structures - Deep understanding on performance when building and ...

Senior Java Developer with AWS

Malvern, PA ยท 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 ...

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Senior Backend Python information

See Claymont, DE salary details

$15.6K

$144.6K

$186.3K

How much do senior backend python jobs pay per year?

As of Aug 3, 2026, the average yearly pay for senior backend python in Claymont, DE is $144,611.00, according to ZipRecruiter salary data. Most workers in this role earn between $141,900.00 and $163,400.00 per year, depending on experience, location, and employer.

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

To thrive as a Senior Backend Python Developer, you need expertise in Python programming, strong knowledge of backend frameworks (such as Django or Flask), and experience with database management, often backed by a degree in computer science or equivalent experience. Familiarity with version control systems like Git, containerization tools like Docker, cloud platforms (e.g., AWS), and possibly certifications in cloud or Python technologies are common requirements. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers help set top performers apart. These competencies ensure the development of robust, scalable, and maintainable backend systems that support business objectives.

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

AspectSenior Backend PythonBackend Developer
Required CredentialsBachelor's in CS or related, 5+ years experience, Python expertiseBachelor's in CS or related, 2-4 years experience, Python knowledge
Work EnvironmentTech companies, startups, enterprise systemsTech firms, startups, software agencies
Employer & Industry UsageUsed across industries requiring scalable backend solutionsCommon in web development and software services
Search & Comparison IntentUnderstanding senior roles, responsibilities, salaryEntry to mid-level backend roles, skill requirements

Senior Backend Python professionals typically have more experience, advanced skills, and leadership responsibilities compared to Backend Developers. They often work on complex systems, mentor junior staff, and have a broader understanding of architecture. Backend Developers focus on building and maintaining backend services with less emphasis on leadership or strategic planning.

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

Senior Backend Python developers working on large-scale systems often encounter challenges such as ensuring application scalability, maintaining code quality across distributed teams, and optimizing performance for high traffic. Balancing the integration of new features with legacy system constraints can also be demanding. Effective communication and collaboration with frontend teams, DevOps, and product managers are crucial for delivering reliable and maintainable backend solutions.

What does a senior backend Python developer do?

A Senior Backend Python Developer designs, builds, and maintains the server-side logic of web applications using Python. They are responsible for creating robust APIs, optimizing databases, ensuring application security, and integrating third-party services. In addition, they often mentor junior developers, contribute to architectural decisions, and collaborate closely with frontend and DevOps teams. Their work ensures that applications are scalable, reliable, and efficient. Senior developers typically have several years of experience and deep knowledge of Python frameworks like Django or Flask.
What are popular job titles related to Senior Backend Python jobs in Claymont, DE? For Senior Backend Python jobs in Claymont, DE, the most frequently searched job titles are:
What job categories do people searching Senior Backend Python jobs in Claymont, DE look for? The top searched job categories for Senior Backend Python jobs in Claymont, DE are:
Infographic showing various Senior Backend Python job openings in Claymont, DE as of July 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $144,611 per year, or $69.5 per hour.

Senior Backend Engineer

Alivia Analytics

Newtown Square, PA โ€ข Remote

$115K - $165K/yr

Full-time

Medical, Dental, Vision, PTO

Re-posted 5 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.