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

CADDi

Senior Software Engineer

Seattle, WA · On-site

$140K - $180K/yr

  • Medical

  • Dental

  • Vision

As a Senior Backend Engineer, you'll guide our core backend architecture, APIs, and integrations ... Drive end-to-end backend service design and development using Golang (primary) and Python, ensuring ...

Caddi

Senior Software Engineer

Seattle, WA · On-site

$140K - $180K/yr

  • Medical

  • Dental

  • Vision

As a Senior Backend Engineer, you'll guide our core backend architecture, APIs, and integrations ... Drive end-to-end backend service design and development using Golang (primary) and Python, ensuring ...

Caddi

Senior Software Engineer

Seattle, WA · On-site

$140K - $180K/yr

  • Medical

  • Dental

  • Vision

As a Senior Backend Engineer, you'll guide our core backend architecture, APIs, and integrations ... Drive end-to-end backend service design and development using Golang (primary) and Python, ensuring ...

ATOMS Careers page

Senior Backend Software Engineer

Seattle, WA

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in a general-purpose backend language (e.g., Java, Go, or Python). * Solid foundation in distributed systems, microservices, and API design (gRPC and/or REST). * Experience with databases ...

ATOMS Careers page

Senior Backend Software Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in a general-purpose backend language (e.g., Java, Go, or Python). * Solid foundation in distributed systems, microservices, and API design (gRPC and/or REST). * Experience with databases ...

Otter

Senior Backend Software Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in a general-purpose backend language (e.g., Java, Go, or Python). * Solid foundation in distributed systems, microservices, and API design (gRPC and/or REST). * Experience with databases ...

Otter

Senior Backend Software Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in a general-purpose backend language (e.g., Java, Go, or Python). * Solid foundation in distributed systems, microservices, and API design (gRPC and/or REST). * Experience with databases ...

Otter

Senior Backend Software Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in a general-purpose backend language (e.g., Java, Go, or Python). * Solid foundation in distributed systems, microservices, and API design (gRPC and/or REST). * Experience with databases ...

Truveta

Senior Software Engineer - Backend Services

Seattle, WA · Hybrid

$139K - $183K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Software Engineer - Backend Services Truveta is the world's first health provider led data ... Bring strong Python backend craftsmanship: Experienced with async programming, modern Python ...

Truveta

Senior Software Engineer - Backend Services

Seattle, WA · On-site

$139K - $183K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Software Engineer - Backend Services Truveta is the world's first health provider led data ... Bring strong Python backend craftsmanship: Experienced with async programming, modern Python ...

Truveta

Senior Software Engineer - Backend Services

Seattle, WA · On-site

$139K - $183K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Software Engineer - Backend Services Truveta is the world's first health provider led data ... Bring strong Python backend craftsmanship: Experienced with async programming, modern Python ...

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All JobsBackend Python JobsSenior Backend Python JobsSenior Backend Python Jobs in Seattle, WA

Senior Backend Python information

See Seattle, WA salary details

$18.2K

$168.7K

$217.4K

How much do senior backend python jobs pay per year?

As of Aug 18, 2026, the average yearly pay for senior backend python in Seattle, WA is $168,693.00, according to ZipRecruiter salary data. Most workers in this role earn between $165,600.00 and $190,600.00 per year, depending on experience, location, and employer.

What does a senior backend Python developer do?

A Senior Backend Python Developer designs, builds, and maintains the server-side logic of web applications using Python. They are responsible for creating robust APIs, optimizing databases, ensuring application security, and integrating third-party services. In addition, they often mentor junior developers, contribute to architectural decisions, and collaborate closely with frontend and DevOps teams. Their work ensures that applications are scalable, reliable, and efficient. Senior developers typically have several years of experience and deep knowledge of Python frameworks like Django or Flask.

What are the key skills and qualifications needed to thrive as a senior backend Python developer?

To thrive as a Senior Backend Python Developer, you need expertise in Python programming, strong knowledge of backend frameworks (such as Django or Flask), and experience with database management, often backed by a degree in computer science or equivalent experience. Familiarity with version control systems like Git, containerization tools like Docker, cloud platforms (e.g., AWS), and possibly certifications in cloud or Python technologies are common requirements. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers help set top performers apart. These competencies ensure the development of robust, scalable, and maintainable backend systems that support business objectives.

What are some common challenges senior backend Python developers face when working on large-scale systems?

Senior Backend Python developers working on large-scale systems often encounter challenges such as ensuring application scalability, maintaining code quality across distributed teams, and optimizing performance for high traffic. Balancing the integration of new features with legacy system constraints can also be demanding. Effective communication and collaboration with frontend teams, DevOps, and product managers are crucial for delivering reliable and maintainable backend solutions.

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

AspectSenior Backend PythonBackend Developer
Required CredentialsBachelor's in CS or related, 5+ years experience, Python expertiseBachelor's in CS or related, 2-4 years experience, Python knowledge
Work EnvironmentTech companies, startups, enterprise systemsTech firms, startups, software agencies
Employer & Industry UsageUsed across industries requiring scalable backend solutionsCommon in web development and software services
Search & Comparison IntentUnderstanding senior roles, responsibilities, salaryEntry to mid-level backend roles, skill requirements

Senior Backend Python professionals typically have more experience, advanced skills, and leadership responsibilities compared to Backend Developers. They often work on complex systems, mentor junior staff, and have a broader understanding of architecture. Backend Developers focus on building and maintaining backend services with less emphasis on leadership or strategic planning.

What are the most commonly searched types of Backend Python jobs in Seattle, WA?

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

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

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

Senior Backend Python jobs near you
Infographic showing various Senior Backend Python job openings in Seattle, WA as of July 2026, with employment types broken down into 87% Full Time, 7% Part Time, 1% Temporary, and 5% Contract. Highlights an 77% Physical, 5% Hybrid, and 18% Remote job distribution, with an average salary of $168,693 per year, or $81.1 per hour.

Sr. Backend Engineer - Python/Java & Kafka C2C contract

Tech Mirrors

Bellevue, WA • On-site

$140 - $190/hr

Other

Posted 13 days ago

Job description

Role- Sr. Backend Engineer – Python/Java & Kafka


Location- Bellevue, WA


12 +Months


Mandatory Areas

  • Kafka

  • Python

  • Java

  • Microservices

  • CICD


Skill Focus:Core (~70%): Kafka, Programming, Infrastructure Supporting (~20%): Architecture, Data Engineering Adjunct(~10%): Observability, AI/Modern tooling


Must Have Skills

  • Proficiency with messaging and event-driven systems such as Kafka

  • Expert-level proficiency in Python and Java object-oriented programming

  • Strong experience with Python or Java object-oriented programming

  • Hands-on experience with UNIX/Linux environments and expert-level Bash

  • shell scripting for automation and pipeline orchestration

  • Automate manual processes and operational workflows using Bash shell scripting in UNIX environments

  • Build responsive, accessible, and performant applications, delivering end-to-end features across API and data layers

  • Experience building scalable REST APIs and microservices

  • Knowledge of TLS/SSL encryption and SASL authentication for securing Kafka clusters

  • Experience with Git, GitLab, and CI/CD automation

  • Experience working with relational databases and writing complex SQL

  • Experience with containerization and orchestration tools such as Docker and Kubernetes

  • Experience using observability and telemetry tools such as Splunk, AppDynamics, or Grafana

  • Hands-on experience with AI productivity tools (Claude and Cursor or similar IDE) and working knowledge of foundation models, prompt engineering, retrieval-augmented generation (RAG), and AI agent development.


Nice to Have

  • Experience with Databricks, Snowflake, or cloud-based data platforms

  • Network Domain experience

  • Experience working in cloud-native environments (Azure, AWS, or GCP)

  • Experience contributing to system architecture or platform-level design decisions

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