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Senior Python Developer Jobs in Seattle, WA (NOW HIRING)

Microsoft

Senior Software Engineer

Redmond, WA · On-site

$137K - $180K/yr

They are seeking a Senior Software Engineer to join the Edge Web Platform team, responsible for ... Python OR equivalent experience. Preferred : • Master's Degree in Computer Science or related ...

Microsoft AI

Senior Software Engineer

Redmond, WA · On-site

$137K - $180K/yr

Microsoft AI is seeking a Senior Software Engineer to join their Edge Web Platform team. The role ... or Python • OR equivalent experience. Preferred : • Master's Degree in Computer Science or ...

ClifyX

Senior Engineer, AI Data Management

Seattle, WA · On-site

$120K - $163K/yr

ClifyX is a company focused on innovative technology solutions, and they are seeking a Senior ... Required : • Python • Machine Learning • Artificial Intelligence(AI) • NOSQL • DevOps ...

MassMutual Ventures

Senior Engineer

Seattle, WA · On-site

$200 - $260/hr

Kivo Health AI-powered care for seniors with chronic disease Senior Engineer $200K - $260K 0.15 ... Python/Django * TypeScript, React, React Native What we're looking for * You don't write code ...

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All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in Seattle, WA

Senior Python Developer information

See Seattle, WA salary details

$62.6K

$161.6K

$221.9K

How much do senior python developer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for senior python developer in Seattle, WA is $161,572.00, according to ZipRecruiter salary data. Most workers in this role earn between $138,300.00 and $186,100.00 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 Seattle, WA?

The most popular types of Python Developer jobs in Seattle, WA are:

What are popular job titles related to Senior Python Developer jobs in Seattle, WA?

For Senior Python Developer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Senior Python Developer jobs in Seattle, WA look for?

The top searched job categories for Senior Python Developer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Senior Python Developer jobs?

Cities near Seattle, WA with the most Senior Python Developer job openings:

Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 8% Part Time, and 6% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $161,572 per year, or $77.7 per hour.

Sr. Developer

Avani Technology Solutions, Inc.

Bellevue, WA • On-site

Contractor

Re-posted 28 days ago

Job description

Advanced knowledge in machine learning, computer science, math, statistics or a related discipline Extensive data modeling and machine learning architecture skills Programming experience in Python, R or Java Background in machine learning Frameworks such as: TensorFlow or Keras Knowledge of Hadoop or another distributed computing systems Experience working in an Agile environment Advanced math skills linear algebra, Bayesian statistics group theory Analyzing the ML algorithms that could be used to solve a given problem and ranking them by their success probability Exploring and visualizing data to gain an understanding of it then identifying differences in data distribution that could affect performance when deploying the model in the real world Verifying data quality and/or ensuring it via data cleaning, Supervising the data acquisition process if more data is needed, Finding available datasets online that could be used for training Defining validation strategies, Defining the preprocessing or feature engineering to be done on a given dataset Defining data augmentation pipelines, Training models and tuning their hyperparameters Analyzing the errors of the model and designing strategies to overcome them Deploying models to production Strong written and verbal communications
Hours : 8:00am to 5:00pm
Education :
Additional Job Details : Primary skil: Azure Machine Learning/Python/R

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