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Senior Python Developer Jobs in Annandale, VA (NOW HIRING)

Mavens Guild

Senior Spark & Python Developer

Mclean, VA · On-site

$122K - $165K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

Mavens Guild

Senior Spark & Python Developer

Mclean, VA · On-site

$122K - $165K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

Ekcel Technologies Inc

Sr AWS Python Developer

Reston, VA · On-site

$126K - $170K/yr

Sr AWS Python Developer (2 positions) Location- Reston, VA (In person Client interview) day one onsite Experience : 8 to 18 years FTE or C2C We are looking for Visa independent candidates only for ...

Mavens Guild

Senior Spark & Python Developer

Mclean, VA · On-site

$122K - $165K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

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Senior Python Developer information

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$54.7K

$141.2K

$194K

How much do senior python developer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for senior python developer in Annandale, VA is $141,216.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,800.00 and $162,600.00 per year, depending on experience, location, and employer.

What are the main responsibilities of a senior Python developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

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

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by senior Python developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.

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

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

Are senior Python developers still in demand?

Senior Python developers remain in high demand due to the language's versatility in web development, data analysis, machine learning, and automation. Companies seek experienced developers with skills in frameworks like Django or Flask, and proficiency in cloud platforms and APIs enhances job prospects.

How much does a senior Python developer make?

A senior Python developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may hold certifications or advanced degrees that influence salary levels.

What does a senior Python developer do?

A senior Python developer designs, develops, and maintains complex software applications using Python. They often lead projects, review code, optimize performance, and collaborate with cross-functional teams, requiring strong problem-solving skills and knowledge of frameworks like Django or Flask. Additionally, they may mentor junior developers and ensure code quality through testing and best practices.

What are the most commonly searched types of Python Developer jobs in Annandale, VA?

The most popular types of Python Developer jobs in Annandale, VA are:

What are popular job titles related to Senior Python Developer jobs in Annandale, VA?

For Senior Python Developer jobs in Annandale, VA, the most frequently searched job titles are:

What job categories do people searching Senior Python Developer jobs in Annandale, VA look for?

The top searched job categories for Senior Python Developer jobs in Annandale, VA are:

What cities near Annandale, VA are hiring for Senior Python Developer jobs?

Cities near Annandale, VA with the most Senior Python Developer job openings:

Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Annandale, VA as of June 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution, with an average salary of $141,216 per year, or $67.9 per hour.

Senior Python Developer - AI & Full Stack Specialist

Mclean, VA • On-site

Aktra
Business Management Consulting • 11 - 50 employees
Learn more about Aktraexternal

Other

Posted 4 days ago

Job description

We are seeking a Senior Python Data Engineer to design, develop, and support scalable cloud‑native data solutions. The ideal candidate will have strong experience with Python, PySpark, SQL, and AWS, building high‑performance data pipelines and distributed processing systems in enterprise environments.

Key Responsibilities
  • Design and develop scalable data pipelines and processing solutions.
  • Build batch and real‑time data workflows using Python and PySpark.
  • Develop AWS‑based applications and services using serverless and containerized architectures.
  • Build APIs and backend services to support data integrations.
  • Optimize performance, reliability, and scalability of applications and data platforms.
  • Collaborate with cross‑functional teams to deliver business solutions.
  • Support testing, deployment, monitoring, and production operations.
Required Qualifications
  • 5–10 years of software development or data engineering experience.
  • Experience with PySpark and distributed data processing.
  • Advanced SQL skills and experience working with large datasets.
  • Hands‑on experience with AWS services including:
    • S3, Redshift, RDS
    • Lambda, EC2, ECS, EMR, AWS Batch
  • Experience building scalable data pipelines and ETL/ELT solutions.
Preferred Qualifications
  • Experience with NumPy, Pandas, or Polars.
  • Experience building REST APIs and microservices.
  • Knowledge of cloud‑native and event‑driven architectures.
  • Experience with Agile and CI/CD practices.
  • Experience working with enterprise‑scale data platforms.
Technical Environment

Python | PySpark | SQL | AWS (S3, Redshift, RDS, Lambda, EC2, ECS, EMR, AWS Batch)

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