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Senior Backend Python Jobs in Washington, DC (NOW HIRING)

Quevera

Senior Backend API Engineer

Linthicum, MD · On-site

Quevera is seeking a highly skilled Senior Backend API Engineer with an active TS/SCI clearance ... Demonstrated experience developing applications using Python. * Experience developing RESTful APIs ...

Data Society

Sr. Backend Engineer

Washington, DC · On-site

About the Role The onshore Senior Back-End Engineer leads backend microservices architecture and ... Python and TypeScript/Node.js. * Fullstack engineer with a backend bent - able to contribute to a ...

Delviom LLC

DevSecOps Engineer - Senior

Washington, DC · On-site

$129K - $177K/yr

Job Title: DevSecOps Engineer - Senior Location: Washington, DC Duration: 12+ months Required ... HTML5 / CSS Backend * Python * Java * Node.js * .NET Cloud / DevSecOps * AWS * Docker * Kubernetes

New

Palnar

Sr. Full Stack Developer

Mclean, VA · On-site

Job Title: Sr Full stack Developer (Nodejs, Python, React /Vue.JS, AWS) Location: Richmond, VA ... backend) Python & Django exp is required DynamoDB/Aurora exp is a must AWS & GCP exp is a must ...

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Senior Backend Python information

See Washington, DC salary details

$18.1K

$167.9K

$216.3K

How much do senior backend python jobs pay per year?

As of Sep 10, 2026, the average yearly pay for senior backend python in Washington, DC is $167,888.00, according to ZipRecruiter salary data. Most workers in this role earn between $164,800.00 and $189,700.00 per year, depending on experience, location, and employer.

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 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 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 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.

Senior Backend Python jobs near you

Senior Backend Software Engineer

Gaithersburg, MD • On-site

Ennoble First Inc.
IT Services • 51 - 200 employees
Learn more about Ennoble First Inc.external

Full-time

Re-posted 23 days ago

Job description

Job Summary:
Ennoble First is a company supporting and securing complex government, defense, and intelligence projects. They are seeking a Senior Backend Software Engineer to develop scalable backend services for a high-visibility application used for data analysis and operational decision-making.
Responsibilities:
• Backend Development: Design, develop, test, and maintain backend services using Java or Python
• REST API Development: Design and implement RESTful services to support application functionality and integrations
• Object-Oriented Design: Apply strong object-oriented design principles to build scalable and maintainable systems
• Database Development: Write and optimize SQL queries to support application functionality and performance
• Data Source Integration Coordination: Coordinate with external teams to understand data sources, interfaces, and access patterns, and translate requirements into backend integrations
• System Design Contribution: Participate in technical design discussions and contribute to backend architecture decisions
• Linux Environments: Develop, deploy, and troubleshoot applications within Linux-based environments
• System Troubleshooting: Diagnose and resolve issues across application and database layers
• Code Quality & Best Practices: Participate in code reviews and ensure adherence to engineering standards
Qualifications:
Required:
• Bachelor's degree in Computer Science, Software Engineering, or a related field with 8–12 years of experience; or a Master's degree with 6–10 years of experience
• Active TS/SCI clearance with the ability to successfully pass a Polygraph
• Strong professional experience developing backend applications in Java or Python
• Proven ability to design and develop RESTful APIs that support scalable application functionality
• Solid SQL experience, including writing and optimizing queries across relational databases
• Confident working in Linux-based environments
• Ability to work independently and drive solutions to moderately complex and complex technical challenges
Preferred:
• Experience with Apache Airflow or similar workflow orchestration technologies
• Experience with geospatial data and querying (e.g., PostGIS)
• Experience with Spring Boot, Django, or similar backend frameworks
• Experience with CI/CD pipelines (GitLab, Jenkins, etc.)
• Familiarity with containerization (Docker, OpenShift, Kubernetes)
• Exposure to cloud environments (AWS or Azure)
• Experience working in Agile development environments
Company:
Cutting-Edge Engineering Firm delivering an AI and Data Centric Solutions Model that automates the mundane to better utilize human decision making for mission critical actions. Founded in 2014, the company is headquartered in Columbia, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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