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Backend Software Developer Jobs in Seattle, WA (NOW HIRING)

avante

Software Engineer - Backend

Seattle, WA · On-site

The Software Engineer - Backend will be responsible for writing production-ready code, designing scalable services, and integrating with external systems to enhance the company's offerings.

WEX

Staff Software Engineer, Backend & APIs

Seattle, WA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Staff Software Engineer, you'll build the backend services and APIs that power these ... Partner closely with Product, Mobile, Web, Security, Infrastructure, and DevOps teams to deliver ...

eNett

Staff Software Engineer, Backend & APIs

Seattle, WA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Staff Software Engineer, you'll build the backend services and APIs that power these ... Partner closely with Product, Mobile, Web, Security, Infrastructure, and DevOps teams to deliver ...

Aerostrat

Senior Software Engineer (Backend)

Seattle, WA · Remote

$140K - $200K/yr

About this role As a Sr backend software engineer at Aerostrat, you'll play a critical role in expanding our infrastructure and APIs to ensure we can scale with our customers. As a member of our ...

Aerostrat

Senior Software Engineer (Backend)

Seattle, WA · On-site +1

$140K - $200K/yr

  • Medical

  • Retirement

  • PTO

About this role As a Sr backend software engineer at Aerostrat, you'll play a critical role in expanding our infrastructure and APIs to ensure we can scale with our customers. As a member of our ...

Aerostrat

Senior Software Engineer (Backend)

Seattle, WA · On-site +1

$140K - $200K/yr

  • Medical

  • Retirement

  • PTO

About this role As a Sr backend software engineer at Aerostrat, you'll play a critical role in expanding our infrastructure and APIs to ensure we can scale with our customers. As a member of our ...

Protingent

Principal Software Developer

Bellevue, WA · On-site

$52 - $85/hr

  • Medical

  • Retirement

  • PTO

Principal Software Developer Position Description: Protingent Staffing has an exciting REMOTE ... Perform administrative data management operations on the backend based on user and management needs,

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All JobsBackend Software Developer JobsBackend Software Developer Jobs in Seattle, WA

Backend Software Developer information

See Seattle, WA salary details

$13

$65

$96

How much do backend software developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for backend software developer in Seattle, WA is $65.74, according to ZipRecruiter salary data. Most workers in this role earn between $53.94 and $77.74 per hour, depending on experience, location, and employer.

What does a backend software developer do?

A Backend Software Developer is responsible for building and maintaining the server-side logic, databases, and application programming interfaces (APIs) that power web and mobile applications. They ensure that data is properly stored, secured, and retrieved, and that the backend communicates effectively with the frontend or user-facing side. Backend developers often work with programming languages like Java, Python, Ruby, or Node.js, and use frameworks and tools to optimize application performance and scalability. Their work is crucial for ensuring that applications run smoothly, handle user requests efficiently, and remain secure.

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

To thrive as a Backend Software Developer, you need strong programming skills (such as Java, Python, or Node.js), a solid understanding of algorithms, data structures, and database management, often supported by a degree in computer science or a related field. Familiarity with frameworks (like Spring or Django), RESTful APIs, version control systems (such as Git), and cloud platforms is typically expected, along with relevant certifications being beneficial. Problem-solving abilities, attention to detail, and effective communication are the soft skills that set outstanding backend developers apart. These skills and qualities are crucial for building scalable, reliable, and secure server-side applications that meet business and user needs.

What are some common challenges faced by backend software developers when integrating new technologies into existing systems?

Backend Software Developers often encounter challenges when integrating new technologies, such as ensuring compatibility with legacy systems, maintaining data integrity during migrations, and minimizing downtime for end users. They must also carefully manage dependencies and address potential security vulnerabilities introduced by new components. Collaboration with DevOps, frontend teams, and QA is crucial to ensure smooth deployment and comprehensive testing throughout the integration process.

What is the difference between Backend Software Developer vs Frontend Software Developer?

AspectBackend Software DeveloperFrontend Software Developer
Primary FocusServer-side logic, databases, APIsUser interface, client-side interactions
Required SkillsProgramming languages like Java, Python, SQLHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentServer infrastructure, cloud servicesDesign tools, browser testing
Common UsageBuilding and maintaining backend systemsCreating engaging user interfaces

Backend Software Developers focus on server-side development, managing databases, and APIs, while Frontend Software Developers work on the visual and interactive aspects of websites and applications. Both roles are essential in full-stack development but differ in their technical skills and daily tasks.

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

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

What are popular job titles related to Backend Software Developer jobs in Seattle, WA?

For Backend Software Developer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Backend Software Developer jobs in Seattle, WA look for?

The top searched job categories for Backend Software Developer jobs in Seattle, WA are:

Backend Software Developer jobs near you
Infographic showing various Backend Software Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 94% In-person, and 6% Remote job distribution, with an average salary of $136,738 per year, or $65.7 per hour.

Software Development Engineer for Fastwater Staffing

Hikinex

Redmond, WA • On-site

Contractor

Re-posted 19 days ago

Job description


We are seeking a talented Software Development Engineer with a passion for building robust backend systems. This role focuses on designing and developing scalable software solutions, primarily using Java. We're looking for someone who excels at writing production-ready code to help drive our technology forward.
Responsibilities:
  • Design and develop high-quality backend software systems, primarily using Java.
  • Build and maintain scalable, efficient, and reliable applications from the ground up.
  • Collaborate with product teams to implement new features and functionalities.
  • Write and optimize SQL queries for data management and retrieval.
  • Leverage infrastructure as code (IaC) to support deployment of software solutions.
  • Debug and enhance existing codebases with a focus on development.
  • Participate in code reviews to ensure maintainability and performance.

Required Skills and Qualifications:
  • Proven experience as a Software Development Engineer, with a strong emphasis on backend development.
  • Deep expertise in Java for building software systems.
  • Strong understanding of software architecture and backend system design.
  • Hands-on experience with SQL and relational databases.
  • Familiarity with cloud environments and infrastructure as code (IaC) to support development efforts.
  • Ability to solve complex problems through code development.
  • Bachelor's degree in Computer Science or equivalent experience (CS degree preferred but not mandatory).

Preferred Qualifications:
  • Previous experience at a tech-driven company (e.g., Amazon or similar) as a developer.
  • Proficiency in Python as a secondary skill (not required, but a plus).
  • Track record of delivering production-grade backend systems.
  • Comfort with full-stack problem-solving, though the focus remains on backend.
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About Hikinex

Sourced by ZipRecruiter

Hikinex is a multi-channel integrated service provider designed to help Companies scale fast and drive more profit. We leverage diverse resources to provide Superior services at a fraction of the cost.

Industry

Strategic planning consulting services

Company size

51 - 200 Employees

Headquarters location

San Francisco, CA, US

Year founded

2016

Social media

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