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Sr Python Developer Jobs in Washington (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

$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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$62.3K

$160.8K

$220.9K

How much do sr python developer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for sr python developer in Washington is $160,801.00, according to ZipRecruiter salary data. Most workers in this role earn between $137,600.00 and $185,200.00 per year, depending on experience, location, and employer.

What is a Sr Python Developer?

A Sr Python Developer is an experienced software engineer who specializes in designing, developing, and maintaining applications using Python. They are responsible for writing clean, efficient, and scalable code while also mentoring junior developers and collaborating with cross-functional teams. Their role often includes optimizing application performance, integrating third-party services, and ensuring best coding practices. Additionally, they may work with frameworks like Django or Flask and databases such as PostgreSQL or MongoDB to build robust backend systems.

What are the typical daily responsibilities of a Sr Python Developer?

As a Sr Python Developer, your daily tasks often include designing and coding complex features, reviewing code from team members, and troubleshooting bugs or performance issues. You may also lead technical discussions, contribute to architectural decisions, and collaborate closely with product managers, QA engineers, and other developers. Mentoring junior team members and staying up to date with best practices or new technologies is also a regular part of the role. This combination of hands-on engineering and leadership responsibilities ensures both the quality of the codebase and the continual growth of the team.

What are the key skills and qualifications needed to thrive in the Sr Python Developer position, and why are they important?

To thrive as a Sr Python Developer, you need expert proficiency in Python programming, strong problem-solving skills, and a solid background in computer science or related fields, often demonstrated by several years of relevant experience. Familiarity with frameworks like Django or Flask, version control systems such as Git, and sometimes certifications such as PCEP or PCAP are typically valued. Strong communication, leadership, and the ability to mentor junior developers are standout soft skills for this position. These combined proficiencies ensure that Sr Python Developers can build robust solutions, contribute to architectural decisions, and drive team success in complex technical environments.

What are popular job titles related to Sr Python Developer jobs in Washington?

For Sr Python Developer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Sr Python Developer jobs in Washington look for?

The top searched job categories for Sr Python Developer jobs in Washington are:

What cities in Washington are hiring for Sr Python Developer jobs?

Cities in Washington with the most Sr Python Developer job openings:

Sr Python Developer jobs near you
Infographic showing various Sr Python Developer job openings in Washington as of August 2026, with employment types broken down into 1% Internship, 83% Full Time, 5% Part Time, 2% Temporary, and 9% Contract. Highlights an 72% Physical, 7% Hybrid, and 21% Remote job distribution, with an average salary of $160,801 per year, or $77.3 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 2 days ago

New

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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