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

Ai2

Senior Software Engineer, Fullstack

Seattle, WA · On-site

$139K - $183K/yr

The Senior Software Engineer, Fullstack will develop impactful AI-powered solutions, collaborating ... Python • Engage in the entire software development lifecycle, from ideation and design to ...

The AES Group

Senior DevOps Engineer

Seattle, WA · Remote

$133K - $170K/yr

Senior DevOps Engineer Location: Remote - USA The AES Group is hiring an experienced Senior DevOps ... Automate provisioning, deployment, and operational workflows using Python scripting. * Build and ...

Ai2

Senior Software Engineer, Fullstack

Seattle, WA · On-site

$139K - $183K/yr

... Python • Engage in the entire software development lifecycle, from ideation and design to ... • Mentor less-senior engineers on the team in both technical and non-technical skills ...

Mannik Smith Group

Senior Web Developer

Seattle, WA · On-site

$101K - $111K/yr

Senior Web Developer Department: Creative Services Employment Type: Full Time Location: Seattle, WA ... Develop APIs, service integrations, and data-processing workflows using Python and frameworks like ...

Trilon Group

Senior Web Developer

Seattle, WA · On-site

$101K - $111K/yr

Senior Web Developer Department: Creative Services Employment Type: Full Time Location: Seattle, WA ... Develop APIs, service integrations, and data-processing workflows using Python and frameworks like ...

Ai2

Senior Software Engineer, Platform

Seattle, WA · On-site

$139K - $183K/yr

... Python engineering skills, with experience building production services and ... developer-facing tools • Experience with cloud infrastructure (AWS, GCP, or similar ...

Trilon

Senior Web Developer

Seattle, WA · On-site

The Senior Web Developer will play a key role in expanding Alta's digital capabilities by building ... Develop APIs, service integrations, and data-processing workflows using Python and frameworks like ...

Ai2

Senior Software Engineer, Platform

Seattle, WA · On-site

$139K - $183K/yr

... Python engineering skills, with experience building production services and ... developer-facing tools • Experience with cloud infrastructure (AWS, GCP, or similar ...

SpaceX

Sr. Software Engineer, DevOps (Starlink)

Redmond, WA · On-site

$145K - $187K/yr

... Senior Software Engineer specializing in DevOps for their Starlink project. The role involves ... in Python, Go, or C++ • Must be able to work extended hours and weekends as needed Preferred ...

Ai2

Senior Software Engineer, Platform

Seattle, WA · On-site

$139K - $183K/yr

... Python engineering skills, with experience building production services and ... developer-facing tools • Experience with cloud infrastructure (AWS, GCP, or similar ...

Salesforce, Inc.

Senior ML Engineer

Bellevue, WA · On-site

$117K - $162K/yr

Senior Member of Technical Staff - Senior Machine Learning Engineering Job Category: Software ... Mastery of Python programming with an emphasis on software engineering best practices, including ...

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All JobsSr Python Developer JobsSr Python Developer Jobs in Seattle, WA

Sr Python Developer information

See Seattle, WA salary details

$62.6K

$161.7K

$222K

How much do sr python developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for sr python developer in Seattle, WA is $161,663.00, according to ZipRecruiter salary data. Most workers in this role earn between $138,300.00 and $186,200.00 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 Seattle, WA?

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

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

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

Sr Python Developer jobs near you
Infographic showing various Sr 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.

Senior Software Engineer, Fullstack

Seattle, WA • On-site

Ai2
Software Development • 11 - 50 employees
Learn more about Ai2external

$139K - $183K/yr

Full-time

Re-posted 10 days ago

Job description

Job Summary:
Ai2 is a Seattle based non-profit AI research institute focused on building breakthrough AI to solve significant global challenges. The Senior Software Engineer, Fullstack will develop impactful AI-powered solutions, collaborating with UX designers, AI/ML experts, and research scientists to create user-friendly interfaces and scalable systems that enhance scientific discovery.
Responsibilities:
• Work closely with UX designers, product managers, and research scientists to develop rich UI experiences using React and robust backend services in Python
• Engage in the entire software development lifecycle, from ideation and design to implementation and testing to deployment and operational support, with a strong sense of ownership for results
• Scale our systems in a cost-effective and sustainable manner and be a driving force behind continuous improvements in reliability and automation
• Improve team velocity through contributions to software design, feature development, platform and framework enhancements, capacity planning, and deployment tooling
• Help set and maintain best practices in how we measure, monitor, and respond to system availability, latency, and general application health
• Communicate effectively across engineering, product, and research teams to align priorities and drive projects to completion
• Mentor less-senior engineers on the team in both technical and non-technical skills
Qualifications:
Required:
• Bachelor's degree and 8+ years of technical experience; relevant experience may substitute for education
• Professional experience with web development using JavaScript, HTML, and CSS
• Strong Python engineering skills
• Proficiency with front-end frameworks such as React
• Experience with AWS, Google Cloud, or similar cloud platforms
• Experience with analytics and observability tools like Heap, Datadog, or similar for monitoring performance, system health, and user interactions
• Solid understanding of integrating AI-powered capabilities into applications, including prompt engineering, memory management, agent workflows, and external tool integrations
• Strong communication skills and a sense of ownership for results
Company:
We are a Seattle-based non-profit AI research institute founded in 2014 by the late Paul Allen. Founded in 2014, the company is headquartered in Seattle, USA, with a team of 201-500 employees. The company is currently Growth Stage.

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