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

Haus

Senior Full Stack Engineer - Seattle

Seattle, WA · On-site

The Senior Full Stack Engineer will build and evolve systems that help brands understand the impact of their marketing spend, working across a Python/Flask API and a React frontend. Responsibilities ...

Orchard Robotics

Senior Full-Stack Engineer

Seattle, WA · On-site

$150K - $245K/yr

Your job will be to utilize your extensive breadth & depth of frontend (Typescript/React) and backend (Python, Flask, PostgreSQL) knowledge to help us invent new solutions in our FruitScope OS (web ...

Orchard Robotics

Senior Full-Stack Engineer

Seattle, WA · On-site

$150K - $245K/yr

Your job will be to utilize your extensive breadth & depth of frontend (Typescript/React) and backend (Python, Flask, PostgreSQL) knowledge to help us invent new solutions in our FruitScope OS (web ...

Haus

Senior Full Stack Engineer - Seattle

Seattle, WA · On-site

$200K - $220K/yr

This is a full stack role where you'll work across a Python/Flask API, a React frontend, and the data pipelines and integrations that connect them. You'll hit the ground running on a production ...

ValidaTek, Inc.

Senior API Developer

Tacoma, WA

$101K - $159K/yr

... Senior API Developer to join our team and take charge of designing, developing, and maintaining ... Java, Python, or JavaScript , along with frameworks like Spring, Flask, or Node.js to develop ...

Visa

Software Engineer - Sr. Consultant level

Bellevue, WA · Hybrid

$138K - $182K/yr

We're seeking a Sr. Consultant Software Engineer who will architect, design, and build scalable ... Design scalable, secure backend systems using Java (Spring Boot) and Python (FastAPI/Flask)

Visa

Software Engineer - Sr. Consultant level

Bellevue, WA · On-site

$138K - $182K/yr

We're seeking a Sr. Consultant Software Engineer who will architect, design, and build scalable ... Design scalable, secure backend systems using Java (Spring Boot) and Python (FastAPI/Flask)

ValidaTek, Inc.

Senior API Developer

Tacoma, WA · On-site

$159K/yr

... Senior API Developer to join our team and take charge of designing, developing, and maintaining ... Java, Python, or JavaScript , along with frameworks like Spring, Flask, or Node.js to develop ...

ValidaTek, Inc.

Senior API Developer

Tacoma, WA · On-site

$101K - $159K/yr

... Senior API Developer to join our team and take charge of designing, developing, and maintaining ... Java, Python, or JavaScript , along with frameworks like Spring, Flask, or Node.js to develop ...

Fortive

Senior Software Engineer

Everett, WA · On-site

$135K - $178K/yr

We are looking for a senior engineer to join our team and help us develop our next generation test ... Python is a plus. * Experience working with web frameworks such as Flask and / or Node.JS.

Fortive

Senior Software Engineer

Everett, WA

$135K - $178K/yr

We are looking for a senior engineer to join our team and help us develop our next generation test ... Python is a plus. * Experience working with web frameworks such as Flask and / or Node.JS.

Deloitte

CyberArk Senior Consultant

Seattle, WA

Experience with at least one backend technology stack: Node.js, Python (Django or Flask), or Java (Spring Boot). * Experience building and consuming REST APIs and microservices. * Experience with ...

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

Senior Python Flask information

See Seattle, WA salary details

$62.6K

$161.6K

$221.9K

How much do senior python flask jobs pay per year?

As of Jul 8, 2026, the average yearly pay for senior python flask 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 key skills and qualifications needed to thrive as a Senior Python Flask Developer, and why are they important?

To thrive as a Senior Python Flask Developer, you need advanced proficiency in Python programming, experience with the Flask framework, and a solid understanding of RESTful APIs, typically supported by a degree in computer science or related field. Familiarity with tools like Git, Docker, SQL/NoSQL databases, and cloud platforms such as AWS or Azure is commonly required, along with relevant certifications. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastering these skills ensures you can build robust, scalable web applications and lead project success in dynamic development environments.

What are some common challenges Senior Python Flask developers face when working on large-scale web applications?

Senior Python Flask developers often encounter challenges such as managing application scalability, ensuring code maintainability, and integrating with various third-party services. Handling complex database relationships and optimizing API performance are also common issues, especially as user traffic grows. Effective collaboration with frontend developers and DevOps teams is essential to address deployment, security, and continuous integration concerns, making strong communication and problem-solving skills crucial for success in this role.

What is the difference between Senior Python Flask vs Python Developer?

AspectSenior Python FlaskPython Developer
Primary FocusWeb application development using Flask framework, with leadership responsibilitiesGeneral Python programming, including scripting, data analysis, and application development
Experience LevelAdvanced, with expertise in Flask, architecture, and mentoringEntry to mid-level, with broad Python skills
CertificationsOften includes Python or web development certificationsMay have Python certifications, but less specialized
Work EnvironmentTech companies, startups, or agencies focusing on web appsVaried industries, including data science, automation, and software development

Senior Python Flask roles focus on building and leading web applications with Flask, requiring specialized knowledge and leadership. Python Developers have broader Python skills applicable across multiple domains. The choice depends on whether you want to specialize in web development or pursue general Python programming.

What is a Senior Python Flask Developer?

A Senior Python Flask Developer is an experienced software engineer who specializes in building web applications using the Flask framework and the Python programming language. They are responsible for designing, developing, testing, and maintaining backend services and APIs, often working with databases, cloud services, and other technologies. Senior developers are also expected to mentor junior team members, lead projects, and ensure code quality and best practices throughout the development process.
Senior Python Flask jobs near you
Need: Senior Python Engineer: Snoqualmie, WA (Need Only Locals)

Need: Senior Python Engineer: Snoqualmie, WA (Need Only Locals)

SPAR Information Systems LLC

Snoqualmie, WA • On-site

Contractor

Re-posted 28 days ago

Job description

Hello All, Hope you are doing great Please go through the job description and let me know your interest. Job Title: Senior Python Engineer Work Location: Snoqualmie, WA (Hybrid from Day 1) (Need Only Locals) Duration: Long Term Contract Key Responsibilities • Design, develop, and deploy Python-based ML solutions for large-scale data analysis. • Build ETL/data pipelines to process structured and unstructured datasets. • Perform exploratory data analysis (EDA), feature engineering, and model evaluation. • Collaborate with data scientists, analysts, and business teams to translate business problems into technical solutions. • Optimize models for scalability, performance, and accuracy. • Mentor junior engineers and review code for quality and best practices. Required Skills & Experience • Strong proficiency in Python (Pandas, NumPy, Scikit-learn, FastAPI/Flask). • Experience with machine learning workflows: data preprocessing, model training, evaluation, and deployment preferably using Microsoft stack – Azure ML, Azure Data Factory, Synapse Analytics, and related Microsoft AI/ML tools. • Knowledge of cloud-based MLOps practices. • Strong SQL and data modelling skills. • Experience with deep learning frameworks (PyTorch, TensorFlow) is nice to have. • Knowledge of containerization (Docker, Kubernetes) is nice to have.
Thanks & Regards,
Satnam Singh
Email : Satnam.singh@sparinfosys.com