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Senior Python Engineer Jobs in Washington (NOW HIRING)

Kalpita Technologies Inc

Sr Python Developer

Mclean, VA

$124.60K - $167.70K/yr

Python Developer McLean VA Onsite MUST interview in person Locals only Glider pre-screen required. 2 rounds of interviews with 1 being on-site interview Must be strong in front end and backend 5+ ...

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Palnar

Sr. Python Developer

Mclean, VA · On-site

$123.50K - $166.20K/yr

Master's degree in Computer Science, Software Engineering or related technical field Demonstrated knowledge of: * Python, Pandas and other popular Python libraries * Java * Testing frameworks such as ...

Navtech

Senior Python Developer

Mclean, VA · On-site

$124.60K - $167.70K/yr

... Python Developer Experience with Python frameworks e.g., Django, Flask. • Good experience on writing the test cases, Unit Testing, and automation test by using PYTEST Understanding of databases and ...

Navtech, Inc.

Senior Python Developer

Mclean, VA · On-site

$123.50K - $166.20K/yr

... Python Developer Experience with Python frameworks e.g., Django, Flask. • Good experience on writing the test cases, Unit Testing, and automation test by using PYTEST Understanding of databases and ...

Palnar

Sr. Python Developer

Mclean, VA · On-site

$123.50K - $166.20K/yr

Strong Proficiency in Python programming language, including experience with frameworks such as Flask, Django, and Fast API. * Experience with RESTful APIs and microservices architecture, and an ...

PALNAR

Sr. Python Developer

Mclean, VA · On-site

$124.60K - $167.70K/yr

Master's degree in Computer Science, Software Engineering or related technical field Demonstrated knowledge of: * Python, Pandas and other popular Python libraries * Java * Testing frameworks such as ...

Mindlance

Senior Python Developer

Mclean, VA · On-site

$124.60K - $167.70K/yr

Detailed Python Full Stack Developer Location: (Fully Onsite), Mclean, VA 22102 Duration: 6 months + Extensions Responsibilities: * Refactor and modernize existing components of an ETL application to ...

Software Technology Inc

Senior Python Developer

Mclean, VA · Hybrid

$124.60K - $167.70K/yr

Python Developer Hybrid - Onsite in McLean Tuesday through Thursday. Must Haves: Full stack developer, emphasis on front end but back end database work is also present. Python w/ Pandas, React or ...

Nastech Global

Senior AI/ML/Python Engineer

Reston, VA · On-site

Job Title: Senior AI/ML/Python Engineer Location: Onsite in Reston, VA - 3 days a week Job Type: Contract Top Skills Details 7-10 years of experience working as a Python/ML Engineer with strong ...

eSolutionsFirst, LLC

Sr. Python Developer

Mclean, VA · On-site

$51.50 - $71/hr

Python Full Stack Developer Mclean, VA Must Have Qualifications: Must have practical experience with Python, front even technologies, React, JavaScript, and web application development, along with ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131.30K - $237.35K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Samprasoft

Senior Python Developer

Mclean, VA · Hybrid

$124.60K - $167.70K/yr

Python Developer Location: McLean, VA (Hybrid -Tues-Thru) Duration: 10+ Month Must Haves: 6+ years of hands-on Python development experience using PySpark, XML, Json. Database side they need to have ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131.30K - $237.35K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Falls Church, VA

$131.30K - $237.35K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Software Technology Inc

Sr. Python Developer

Mclean, VA · Hybrid

$51.50 - $71/hr

Python Developer Location: Must be onsite in McLean, VA. Hybrid - 3+ days per week. Extension/Conversion: This is a contract position, currently fully funded through EOY. No plans for extension or ...

Leidos

Senior Python Developer

Herndon, VA · On-site

$131.30K - $237.35K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

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$62.3K

$160.8K

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How much do senior python engineer jobs pay per year?

As of Jun 4, 2026, the average yearly pay for senior python engineer 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 are the key skills and qualifications needed to thrive as a Senior Python Engineer, and why are they important?

To thrive as a Senior Python Engineer, you need expert knowledge of Python programming, software architecture, and experience with web frameworks, supported by a degree in computer science or related field. Familiarity with tools like Django, Flask, REST APIs, Docker, and version control systems such as Git is typically required, along with possible certifications in cloud technologies or Python itself. Strong problem-solving abilities, leadership, and effective communication skills help you lead teams and collaborate across departments. These skills ensure robust, scalable software solutions and foster innovation and efficiency within development projects.

What are the common challenges Senior Python Engineers face when leading projects, and how can they effectively address them?

Senior Python Engineers often encounter challenges such as balancing hands-on coding with overseeing project architecture, mentoring junior developers, and ensuring code quality across the team. Effectively addressing these challenges involves strong communication, setting clear coding standards, and fostering a collaborative environment through regular code reviews and knowledge-sharing sessions. Staying updated on best practices and leveraging automation tools for testing and deployment can also help streamline workflows and maintain high-quality deliverables.

What does a Senior Python Engineer do?

A Senior Python Engineer is an experienced software developer who specializes in designing, developing, and maintaining applications using the Python programming language. They often take on leadership roles within development teams, contribute to architectural decisions, and mentor junior engineers. Senior Python Engineers work on complex projects, ensure code quality, and help implement best practices to improve efficiency and reliability. Their work may span back-end development, data engineering, automation, and integrating with other technologies.
What are the most commonly searched types of Python Engineer jobs in Washington? The most popular types of Python Engineer jobs in Washington are:
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What cities in Washington are hiring for Senior Python Engineer jobs? Cities in Washington with the most Senior Python Engineer job openings:
Senior Python Engineer jobs near you

Senior Software Developer (Python - Backend)

DRC Systems

Mclean, VA • On-site

$50 - $60/hr

Contractor

Posted yesterday

Job description

 
Title: Senior Python Developer (Python – Backend)
Location: McLean, VA (5 days - Onsite)
 
Must Have Qualifications: 7+ years of backend development- Python required. Strong database skills-SQL Server or DB2, data extraction using Snowflake, and solid data analysis experience.
 
Basic Requirements:
·         7+ years of Python and microservices experience is a must.
·         5+ years of hands-on experience with SQL, including complex query analysis and optimization.
·         1 – 3 years of experience in integrating with Snowflake APIs and/or GraphQL for data extraction and manipulation.
·         7-10 years of IT experience in design, development, integration and testing of software solutions based on Python, REST/SOAP Webservices, and web development.
·         7-10 years of experience with relational databases including Sybase, SQL Server, and MySQL. Good knowledge and experience with database technologies such as SQL and NoSQL
·         Demonstrated ability to analyze and join large datasets across multiple sources.
·         Proficient in integrating with Snowflake APIs and/or GraphQL for data extraction and manipulation.
·         3-5 years of experience with managing, building, and deploying code through tools including Jira, Eclipse, GIT, Bitbucket, Gradle, Docker, and Jenkins.
·         3-5 years of experience designing and executing unit tests using python testing framework based on business requirements and functional specifications. 
·         Experience with popular Python frameworks such as Django, and FAST API.
·         In-depth understanding of the Python software development stacks, ecosystems, frameworks and tools such as Numpy, Scipy, Pandas, Dask, spaCy, NLTK, sci-kit-learn.
·         Bachelor’s degree in computer science or related field.