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Junior Python Backend Developer Jobs in Seattle, WA

INSPYR Solutions

Full Stack Engineer

Redmond, WA · On-site

$70 - $75/hr

The ideal candidate has strong Python backend expertise, frontend experience with React, JavaScript ... Familiarity with CI/CD pipelines, automated testing, and DevOps practices. * Experience supporting ...

OpenAI

Backend Software Engineer (Evals)

Seattle, WA · On-site

$230K - $385K/yr

About the Role We're looking for a Backend Software Engineer with experience working in ML/LLM ... Our tech stack includes Python, FastAPI, and Postgres * Experience designing and scaling ...

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How much do junior python backend developer jobs pay per year?

As of Jul 11, 2026, the average yearly pay for junior python backend developer 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 Junior Python Backend Developer do?

A Junior Python Backend Developer is responsible for writing server-side logic using the Python programming language. They work on building, maintaining, and optimizing the backend of web applications, often collaborating with frontend developers and other team members. Their daily tasks may include developing APIs, managing databases, debugging code, and ensuring the application runs smoothly and efficiently. As junior developers, they are also expected to learn best practices, follow coding standards, and continuously improve their skills.

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

To thrive as a Junior Python Backend Developer, you need proficiency in Python programming, understanding of backend frameworks like Django or Flask, and a solid grasp of databases and RESTful API design, typically supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, cloud platforms, and containerization tools such as Docker is often expected. Strong problem-solving skills, eagerness to learn, and effective teamwork make someone stand out in this role. These skills and qualities are crucial for building reliable backend systems, collaborating with teams, and adapting to evolving technical requirements.

What types of projects and tasks can a Junior Python Backend Developer expect to work on during their first year?

As a Junior Python Backend Developer, you can expect to work on tasks such as building and maintaining RESTful APIs, writing automated tests, fixing bugs, and contributing to database design. You'll likely start with smaller components or features, collaborating closely with senior developers and front-end teams to ensure smooth data flow and application performance. Over time, you'll gain exposure to code reviews, deployment processes, and may gradually take on more complex assignments as you build your expertise and confidence.
What are the most commonly searched types of Python Backend Developer jobs in Seattle, WA? The most popular types of Python Backend Developer jobs in Seattle, WA are:
Junior Python Backend Developer jobs near you

Senior Software Engineer - Autonomy Interface

Overland AI

Seattle, WA • On-site

$200K - $240K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 7 days ago

Job description

About Overland AI
Founded in 2022 and headquartered in Seattle, Washington, Overland AI is transforming land operations for modern defense. The company leverages over a decade of advanced research in robotics and machine learning, as well as a field-test forward ethos, to deliver combined capabilities for unit commanders. Our OverDrive autonomy stack enables ground vehicles to navigate and operate off-road in any terrain without GPS or direct operator control. Our intuitive OverWatch C2 interface provides commanders with precise coordination capabilities essential for mission success.
Overland AI has secured funding from prominent defense tech investors including 8VC and Point 72, and built trusted partnerships with DARPA, the U.S. Army, Marine Corps, and Special Operations Command. Backed by eight-figure contracts across the Department of Defense, we are strengthening national security by iterating closely with end users engaged in tactical operations.
Role Summary:
We are seeking a Senior Software Engineer - Autonomy Interface to design and implement the backend systems supporting a mission-critical command-and-control (C2) platform for autonomous ground vehicles. This role focuses on building robust, asynchronous services which act as the interface between our ground autonomy software and C2 systems. The ideal candidate has deep experience with modern Python backend development, is comfortable with performance-sensitive and concurrent systems, and enjoys working at the intersection of web technologies, real-time communications, and physical AI.
In this role, you will:
  • Design, implement, and maintain backend services that support a command-and- control (C2) interface for autonomous ground vehicles.
  • Build and extend APIs using FastAPI, with a strong emphasis on correctness, performance, and maintainability.
  • Develop and operate WebRTC-based services for real-time video and data streaming.
  • Build asynchronous systems to coordinate real-time data flows and concurrent workloads.
  • Integrate backend services with a variety of communication protocols and middleware, including event-driven and real-time messaging systems.
  • Collaborate closely with frontend engineers and autonomy engineers to define clean interfaces and deliver end-to-end features.
  • Participate in field exercises and testing to observe system behavior in real-world operational environments and iterate accordingly.

Minimum Qualifications
  • Bachelor's degree in computer science, engineering, or related discipline and 5+ years of relevant experience; OR 7+ years of relevant professional experience
  • Experience building and operating production backend systems using Python.

Desired Experience & Qualifications:
  • MS degree or PhD preferred.
  • Deep experience with FastAPI; experience with other Python-based backend frameworks is a plus
  • Strong understanding of asyncio and asynchronous programming patterns in Python
  • Hand-on experience building or operating WebRTC-based systems, including signaling and real-time media/data pipelines
  • Experience with real-time or messaging systems; prior experience with MQTT is strong preferred.
  • Experience with or interest in PyTAK and/or ROS 2 is highly beneficial.
  • Some experience with TypeScript or frontend-backend integration is a plus.

Benefits
Overland AI believes in creating a work environment that you look forward to embracing every day.
  • The salary range for this position is $200K to $240K annually
  • Equity compensation
  • Best-in-class healthcare, dental and vision plans.
  • Unlimited PTO
  • 401k with company match
  • Parental leave

Overland AI is an Equal Opportunity Employer. We do not discriminate on the basis of race, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, age, marital status, disability, genetic information, protected veteran or military status, or any other status protected by applicable law.
This position may involve access to export-controlled technology. Employment is contingent on the ability to comply with U.S. export control laws.
Overland AI provides reasonable accommodations for qualified individuals with disabilities and disabled veterans during the application process. Please contact [peopleops@overland.ai] to request an accommodation.

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