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

ValidaTek, Inc.

Senior Mobile Developer

Tacoma, WA

$159K/yr

... Senior Mobile Developer to join our team and lead the design and development of innovative mobile ... Lead backend development efforts, working with server-side languages such as PHP, Python, Ruby , or ...

ValidaTek, Inc.

Senior Mobile Developer

Tacoma, WA

$101K - $159K/yr

... Senior Mobile Developer to join our team and lead the design and development of innovative mobile ... Lead backend development efforts, working with server-side languages such as PHP, Python, Ruby , or ...

ValidaTek, Inc.

Senior Mobile Developer

Tacoma, WA · On-site

$101K - $159K/yr

... Senior Mobile Developer to join our team and lead the design and development of innovative mobile ... Lead backend development efforts, working with server-side languages such as PHP, Python, Ruby , or ...

STRAC

Senior Software Engineer

Bellevue, WA

$138K - $182K/yr

Senior Software Engineer We are seeking a highly skilled Senior Software Engineer with a strong ... Deep proficiency in JavaScript, Node.js, Python, or Java * Strong experience using AI-native ...

STRAC

Senior Software Engineer

Seattle, WA

$139K - $183K/yr

Senior Software Engineer We are seeking a highly skilled Senior Software Engineer with a strong ... Deep proficiency in JavaScript, Node.js, Python, or Java * Strong experience using AI-native ...

F5

Sr Devops Engineer

Seattle, WA · On-site

$147K - $190K/yr

They are seeking a Senior Devops Engineer with deep infrastructure expertise to design, build, and ... in Python, Go, Bash, or similar. • Hands‑on experience with CI/CD systems and automated ...

Boeing

Senior DevOps Developer

Everett, WA · On-site

$143K - $184K/yr

Senior DevOps Developer Company: The Boeing Company The Boeing Company is looking for a Senior ... skills in Python, JavaScript, Bash, PowerShell, or Node.js * Experience with cloud-platform ...

Boeing

Senior DevOps Developer

Everett, WA · On-site

$143K - $184K/yr

Senior DevOps Developer Company: The Boeing Company The Boeing Company is looking for a Senior ... skills in Python, JavaScript, Bash, PowerShell, or Node.js * Experience with cloud-platform ...

Boeing

Senior DevOps Developer

Bellevue, WA · On-site

$146K - $188K/yr

Senior DevOps Developer Company: The Boeing Company The Boeing Company is looking for a Senior ... skills in Python, JavaScript, Bash, PowerShell, or Node.js * Experience with cloud-platform ...

Boeing

Senior DevOps Developer

Bellevue, WA · On-site

$146K - $188K/yr

Senior DevOps Developer Company: The Boeing Company The Boeing Company is looking for a Senior ... skills in Python, JavaScript, Bash, PowerShell, or Node.js * Experience with cloud-platform ...

Reveille Technologies

Embedded Developer

Redmond, WA · On-site

Senior Embedded Developer & Automation Architect Experience: Senior (8+ Years) We are looking for a ... C, C++, Rust, Python, Bash/Shell scripting * Hardware & Systems: Microcontrollers (MCU), RTOS ...

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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

$161.7K

$222K

How much do senior python developer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for senior 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 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 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.

What are the key skills and qualifications needed to thrive as a Senior Python Developer, and why are they important?

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 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 June 2026, with employment types broken down into 67% Full Time, 23% Part Time, 3% Temporary, and 7% Contract. Highlights an 87% Physical, 6% Hybrid, and 7% Remote job distribution, with an average salary of $161,663 per year, or $77.7 per hour.
Senior Mobile Developer

Senior Mobile Developer

ValidaTek, Inc.

Tacoma, WA

$159K/yr

Full-time

Posted 25 days ago

Job description

Company OverviewAt ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our employees are building purpose-driven careers, not just filling jobs. We bring together people with many different perspectives, experiences, and talents to drive innovation and achieve more together than we can individually.Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. www.validatek.com Summary

We are looking for a highly skilled Senior Mobile Developer to join our team and lead the design and development of innovative mobile applications. The ideal candidate will have deep expertise in mobile development technologies, including proficiency in programming languages like Swift, Java, or Kotlin, and experience with modern mobile frameworks such as React Native or Xamarin. This role requires strong leadership and problem-solving abilities, as well as the capability to design functional, visually appealing user interfaces that adhere to mobile design best practices. 

Responsibilities
  • Develop and maintain scalable, high-performance mobile applications using programming languages such as Swift, Java, or Kotlin, ensuring adherence to mobile development standards. 
  • Utilize mobile development frameworks like React Native or Xamarin to build cross-platform applications that deliver a seamless user experience. 
  • Design and implement user interfaces that are both visually appealing and highly functional, following mobile design patterns such as Material Design or Human Interface Guidelines. 
  • Troubleshoot and debug complex technical issues, providing efficient solutions to maintain optimal application performance. 
  • Lead backend development efforts, working with server-side languages such as PHP, Python, Ruby, or Java, and frameworks like Node.js or Django to support mobile app functionality. 
  • Integration of AI tools into the software development life cycle. 
  • Collaborate with cross-functional teams to define technical requirements, manage multiple projects simultaneously, and ensure on-time delivery of mobile solutions. 
  • Provide leadership and mentorship to junior developers, fostering a collaborative and productive team environment. 
  • Apply agile development methodologies, leading project planning, estimation, and tracking to ensure project milestones are met. 
  • Communicate complex technical concepts effectively to non-technical stakeholders, ensuring alignment with project goals. 
Qualifications
  • Bachelor's degree in a Computer Science related field and 7+ years of mobile development experience. Experience may be substituted in lieu of degree.  
  • Active DoD Secret clearance  preferred. Must be able to obtain a DoD Public Trust 
  • Experience within the DHA theater - highly preferred. 
  • Proficiency in mobile programming languages such as Swift, Java, or Kotlin. 
  • Experience with mobile development frameworks like React Native or Xamarin. 
  • Strong understanding of mobile development standards, design patterns, and best practices (e.g., Material Design, Human Interface Guidelines). 
  • Proven experience in designing and developing user interfaces that are both functional and visually appealing. 
  • Solid problem-solving and debugging skills, with the ability to resolve technical challenges efficiently. 
  • Experience with backend development, including PHP, Python, Ruby, or Java, and backend frameworks like Node.js or Django. 
  • Strong leadership and mentoring skills, with experience guiding and supporting junior developers. 
  • Ability to manage multiple projects and deadlines effectively in an agile development environment. 
  • Excellent communication skills, with the ability to convey technical concepts to both technical and non-technical audiences. 

This position offers an exciting opportunity for a Senior Mobile Developer to lead cutting-edge projects in a fast-paced, collaborative environment, driving the creation of innovative mobile applications for a wide range of users. 

Posted Min Pay RateUSD $101,949.60/Yr.Posted Max Pay RateUSD $159,296.00/Yr.Salary DisclosureActual salary will be based on a variety of factors including but not limited to experience, geographic location, contract affordability, internal equity, education, and certifications. The upper end of the salary range may be reserved for individuals who have demonstrated tenure with the company, seniority, and proven excellent performance. This includes factors such as education, certifications, and extensive/unique experience beyond what is required. EEO StatementValidaTek is an Equal Opportunity Employer. All qualified applicants will be considered without regard to disability, protected veteran status, or any other status protected by federal, state, or local laws. Applicants who are selected for employment will be required to verify authorization to work in the United States. Offers of employment will be contingent upon passing a post-offer background check.Employment Type: FULL_TIME

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