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Senior Backend Developer Python Jobs in Sewickley, PA

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Senior Backend Developer Python information

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$15.3K

$141.7K

$182.6K

How much do senior backend developer python jobs pay per year?

As of Aug 20, 2026, the average yearly pay for senior backend developer python in Sewickley, PA is $141,736.00, according to ZipRecruiter salary data. Most workers in this role earn between $139,100.00 and $160,200.00 per year, depending on experience, location, and employer.

What does a senior backend developer Python do?

A Senior Backend Developer Python designs, builds, and maintains the server-side logic and databases for web applications, primarily using the Python programming language. They are responsible for ensuring high performance, responsiveness, and security of applications, integrating with front-end elements, and working closely with other developers and stakeholders. Additionally, they often mentor junior developers, review code, and contribute to architectural decisions to ensure scalable and robust backend systems.

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

To thrive as a Senior Backend Developer Python, you need deep expertise in Python programming, software architecture, and experience with databases and API development, usually supported by a computer science degree and several years of professional coding experience. Familiarity with frameworks like Django or Flask, cloud platforms (e.g., AWS, Azure), and version control systems such as Git is typically expected, along with knowledge of containerization tools like Docker. Strong problem-solving skills, collaboration, and clear communication set top performers apart in this role. These skills ensure the development of robust, scalable backend systems that meet business needs and support seamless integration with other technologies.

What are some common challenges faced by senior backend developers working with Python, and how can they be addressed?

Senior Backend Developers working with Python often encounter challenges such as ensuring high performance and scalability of applications, especially when dealing with large volumes of data or high user traffic. Managing dependencies and maintaining clean, modular codebases can also be demanding in complex projects. These challenges are typically addressed by leveraging advanced Python frameworks, implementing robust testing practices, and collaborating closely with DevOps and frontend teams to optimize system architecture and deployment pipelines. Continuous learning and staying updated with best practices in Python and backend development are also key to overcoming these obstacles.

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

AspectSenior Backend Developer PythonBackend Developer Python
Required Experience5+ years, leadership skills1-3 years, foundational skills
CertificationsRelevant certifications (e.g., AWS, Python)Optional, entry-level certifications
Work EnvironmentDesigning architecture, mentoringImplementing features, coding
ResponsibilitiesSystem design, team coordinationCode development, bug fixing

The main difference between a Senior Backend Developer Python and a Backend Developer Python lies in experience, responsibilities, and leadership. Senior developers typically lead projects and mentor others, while backend developers focus on coding and feature implementation. Both roles require strong Python skills and relevant certifications, but senior roles demand more experience and strategic involvement.

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

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

Senior Backend Developer Python jobs near you

Senior Full Stack Developer (Angular + Python)

System One

Pittsburgh, PA • Remote

$55/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 7 days ago

Job description

Job Title: Senior Full Stack Developer (Angular + Python) Location: Chicago, IL Type: Contract Compensation: $55 Work Model: Onsite – onsite/Remote Hours: 40.0

Responsibilities

  • Design and implement frontend components using Angular, including component architecture, modules, lazy loading, standalone components, and reusable design systems.
  • Manage state with NgRx or Angular Signals, employing reactive patterns with RxJS, and designing service-layer interactions.
  • Optimize performance through change detection tuning, AOT compilation, and testing with Jasmine, Jest, or Cypress, ensuring accessibility standards are met (WCAG).
  • Develop backend APIs with Python FastAPI, including RESTful endpoint creation, Pydantic models, dependency injection, and OpenAPI documentation.
  • Implement async/await patterns, background tasks, caching, and rate limiting for performance enhancements.
  • Manage security and authentication using JWT/OAuth2, middleware, CORS, and coordinate input validation following OWASP guidelines.
  • Design and model PostgreSQL schemas, implement normalization, indexing strategies, migrations with Alembic, and optimize queries using EXPLAIN ANALYZE, CTEs, window functions.
  • Utilize SQLAlchemy for ORM and transaction management, ensuring transaction isolation and connection pooling.
  • Work with AWS cloud services, including serverless architecture, Lambda functions, SNS/SQS messaging, data pipelines with AWS Glue ETL, S3, and IAM security.
  • Participate in sprint planning, issue estimation, risk escalation, stakeholder communication, and collaborate across product, QA, and DevOps teams.

Requirements

  • Proven experience with Angular 15+ including NgRx, RxJS, Angular Signals, and TypeScript.
  • Strong backend development skills with Python 3.10+, FastAPI, Pydantic, SQLAlchemy, and API design principles.
  • Hands-on experience with PostgreSQL, including schema design, indexing, query optimization, and migrations using Alembic.
  • Knowledge of AWS cloud services such as Lambda, Glue, SNS, SQS, S3, and CloudWatch.
  • Experience implementing security and authentication with JWT and OAuth2.
  • Familiarity with performance tuning, accessibility standards, and testing frameworks like Jasmine, Jest, and Cypress.
  • Excellent collaboration, mentoring, and communication skills in a team environment.
  • Bachelor’s degree in Computer Science, Information Technology, or related field preferred.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M- #LI- Ref: #404-IT Pittsburgh

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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