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Javascript Backend Developer Jobs in Seattle, WA

Leverage your strong hold on Node.js for server-side JavaScript, developing scalable backend ... Experience with cloud-native technologies (GCP/Azure) and DevOps practices. * General Skills:

Java Fullstack Engineer

Seattle, WA · On-site

$59.75 - $77.25/hr

... 20% supporting backend services and APIs . The candidate should have experience developing ... Strong expertise in React.js, JavaScript (ES6+), TypeScript, HTML5, and CSS3. * Experience with ...

React Developer

Bellevue, WA · On-site

$116K - $135K/yr

React, JavaScript, TypeScript • Strong experience with: Micro Frontends (single-spa, Module ... Backend exposure: Node.js, Express.js • Testing frameworks: Playwright, Cypress, Jest • UI ...

CWE - E2 React Developer

Seattle, WA · On-site

$57 - $74/hr

The role involves collaboration with product, design, and backend teams to deliver reliable, user ... in JavaScript (ES6+), HTML5, and CSS3 • Experience with modern React concepts such as Hooks ...

Role: " .Net Full Stack Developer" / ".NET Technical Lead" Location: Seattle, WA / Plano, TX ... NET on the backend and modern JavaScript frameworks on the frontend. • Build and consume REST ...

We are seeking a highly skilled Full Stack Developer with strong Data Engineering experience and ... Proficiency in Python for backend development is required. Key Responsibilities: · Design, develop ...

Showing results 41-60

Javascript Backend Developer information

See Seattle, WA salary details

$13

$65

$96

How much do javascript backend developer jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for javascript backend developer in Seattle, WA is $65.70, according to ZipRecruiter salary data. Most workers in this role earn between $53.89 and $77.69 per hour, depending on experience, location, and employer.

What does a JavaScript backend developer do?

A JavaScript Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs that power web applications. They use JavaScript, often with frameworks like Node.js, to process requests, manage data, and ensure smooth communication between the frontend and backend of an application. Their work ensures that web applications are scalable, secure, and efficient. JavaScript Backend Developers also collaborate with frontend developers and other team members to deliver seamless user experiences.

What are the key skills and qualifications needed to thrive as a JavaScript backend developer, and why are they important?

To thrive as a Javascript Backend Developer, you need strong proficiency in JavaScript (especially Node.js), knowledge of backend frameworks, and a solid understanding of databases such as MongoDB or PostgreSQL. Familiarity with development tools like Git, RESTful APIs, Docker, and cloud platforms, as well as relevant certifications, is highly valuable. Excellent problem-solving, teamwork, and communication skills help you collaborate effectively and deliver robust solutions. These abilities are crucial for building scalable, secure, and maintainable backend services that power modern applications.

What are the typical challenges a JavaScript backend developer faces when scaling applications for high traffic?

JavaScript Backend Developers, especially those working with Node.js, often encounter challenges related to handling high concurrency, optimizing database queries, and maintaining application performance under heavy load. Ensuring efficient memory management and implementing robust error handling are also critical when scaling. Working closely with DevOps and frontend teams to optimize APIs and monitor system health is essential for delivering reliable, scalable backend solutions.

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

AspectJavascript Backend DeveloperJavascript Frontend Developer
Primary FocusServer-side development, APIs, databasesUser interface, client-side interactions
Required SkillsNode.js, databases, server managementHTML, CSS, JavaScript, UI frameworks
Work EnvironmentBack-end servers, cloud platformsWeb browsers, client devices
Common UsageBuilding APIs, server logicDesigning web pages, user experience

The main difference between a Javascript Backend Developer and a Javascript Frontend Developer lies in their focus areas. Backend developers handle server-side logic, databases, and APIs, while frontend developers focus on creating engaging user interfaces and client-side interactions. Both roles require JavaScript skills but apply them in different parts of web development projects.

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

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

Infographic showing various Javascript Backend Developer job openings in Seattle, WA as of June 2026, with employment types broken down into 96% Full Time, 2% Part Time, and 2% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $136,661 per year, or $65.7 per hour.

Software Development Engineer III

Blue Origin

Seattle, WA

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 23 days ago


Blue Origin rating

8.7

Company rating: 8.7 out of 10

Based on 91 frontline employees who took The Breakroom Quiz

18th of 72 rated aerospace companies


Job description

Application close date:

Applications will be accepted on an ongoing basis until the requisition is closed.

At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight!

This role is part of Enterprise Technology (ET), where we're developing the digital infrastructure needed to build the road to space, with an emphasis on digital capabilities required to advance Blue Origin's mission. Enterprise Technology is the center of excellence for digital technology at Blue Origin, providing oversight and governance to align technology and business strategies.

We are looking for a skilled, motivated engineer to join a team developing manufacturing automation and enterprise systems to drive efficiency throughout the company. As a software engineer, you will be a key member of a team of experts supporting manufacturing developing software platforms to enable real-time analysis and decision-making. We are constantly innovating in the ways we are automating and accelerating the delivery of products using pioneering software and hardware technologies. We use the latest AWS and GenAI platforms and approaches to build distributed, highly available systems to achieve our goals.

We are looking for someone to apply their technical expertise, leadership skills, and commitment to quality to positively impact safe human spaceflight. Passion for our mission and vision is required!

Responsibilities
  • Design, develop, and maintain modern web applications and internal tools that enable manufacturing teams to automate existing processes, improve usability, and standardize performance-based benchmarks.
  • Lead frontend architecture and implementation for enterprise-grade applications, with a strong emphasis onReact,TypeScript, reusable component design, performance, scalability, and maintainability.
  • Build intuitive, responsive, and highly usable user interfaces that simplify complex operational and manufacturing workflows.
  • Partner closely with product owners, UX/design, manufacturing stakeholders, and backend engineers to translate business needs into high-quality software solutions.
  • Contribute to the design, implementation, and deployment of enterprise-scale systems and services, with primary ownership of the frontend application layer and user experience.
  • Develop and integrate frontend applications with APIs and enterprise systems, while contributing to backend services as needed to support end-to-end delivery.
  • Produce high-quality technical and user documentation, including frontend architecture decisions, integration patterns, and application workflows.
  • Leverage AI technologies and tools (e.g., LLMs, computer vision models, AI-assisted development tooling) to enhance software capabilities, improve automation, and drive innovation in enterprise applications.
  • Apply DevOps practices and tools to improve software delivery, testing, monitoring, and deployment automation.
  • Identify usability issues, workflow inefficiencies, and feature gaps across enterprise systems, and develop scalable remediation plans.
  • Champion best practices in frontend engineering, including accessibility, testing, performance optimization, maintainable code structure, and engineering standards.
  • Mentor teammates by sharing knowledge in frontend architecture, UI engineering, scalability, and enterprise application development.
Qualifications
  • BA/BS in Computer Science, Information Science, or related field; or equivalent practical experience.
  • Minimum of 5 years of professional experience in software development engineering.
  • Strong understanding of software engineering principles and the ability to translate domain expertise into robust applications.
  • Expert-level frontend development experiencebuilding production-grade applications usingReactandTypeScript.
  • Strong experience with modern frontend technologies and patterns, such as:
    • HTML5, CSS3, JavaScript/TypeScript
    • React ecosystem tools
    • State management libraries
    • Component-based architecture
    • Frontend build and bundling tools
    • Testing frameworks for unit, integration, and end-to-end testing
  • Experience building polished, responsive, and maintainable user interfaces for complex business or enterprise applications.
  • Experience consuming and integrating RESTful APIs and/or GraphQL APIs in production applications.
  • Solid backend experience with one or more languages such asJava, Python, JavaScript/Node.js, or C#, and ability to contribute to API and service development as needed.
  • Experience solving complex problems by leveraging AI tools and integrating AI-powered solutions into software development workflows.
  • Familiarity with application deployment processes from development through production.
  • Strong familiarity with SQL and database systems.
  • Experience with AWS, Azure, or other cloud infrastructure platforms.
  • Experience with version control systems and collaborative development workflows.
  • Demonstrated ability to take technical ownership, drive frontend design decisions, support team members, and collaborate effectively to identify and resolve technical issues.
  • Strong communication and interpersonal skills, with the ability to work cross-functionally across engineering and business teams.
  • Self-driven with a strong commitment to delivering high-quality results, proactively gathering requirements, and proposing thoughtful solutions.
Desired
  • Strong experience with frontend architecture for enterprise applications, including design systems, reusable component libraries, and scalable UI patterns.
  • Experience with frontend performance tuning, accessibility standards, and secure web application development.
  • Experience using DevOps practices and CI/CD pipelines to build, test, and deploy applications.
  • Understanding of ERP, MES, and other common manufacturing software systems.
  • Experience developing software for manufacturing, IoT, operational dashboards, or industrial workflows.
  • Interest in developing innovative systems for manufacturing, IoT, and Generative AI.

Base Pay Range for:

WA applicants is $164,652.00 - $230,512.80

Other site ranges may differ


Culture Statement

Don't meet all desired requirements? Studies have shown that some people are less likely to apply to jobs unless they meet every single desired qualification. At Blue Origin, we are dedicated to building an authentic workplace, so if you're excited about this role but your past experience doesn't align perfectly with every desired qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.


Export Control Regulations

Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S.as a refugee or granted asylum.


Background Check

  • Required for all positions: Blue's Standard Background Check
  • Required for Certain Job Profiles: Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation
  • Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training.
  • Required for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical

Benefits

  • Benefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave, short and long-term disability, 401(k) with a company match of up to 5%, and an Education Support Program.
  • Stock Options for all regular employees (working at least 20 hours/week)
  • Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays.
  • Dependent on role type and job level, employees may be eligible for benefits and bonuses based on the company's intent to reward individual contributions and enable them to share in the company's results, or other factors at the company's sole discretion. Bonus amounts and eligibility are not guaranteed and subject to change and cancellation. Please check with your recruiter for more details.

Equal Employment Opportunity

Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws, including the Washington Fair Chance Act, the California Fair Chance Act, the Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws. For more information on "Know Your Rights," please see here.


Affirmative Action and Disability Accommodation

Applicants wishing to receive information on Blue Origin's Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us atEEOCompliance@blueorigin.com. Please note this is a publicly managed inbox. Please do not include any personal medical information in your request.



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About Blue Origin

Sourced by ZipRecruiter

Blue Origin is a private aerospace manufacturing and suborbital spaceflight services company based in Kent, Washington, USA. Established in 2000 by Amazon founder Jeff Bezos, the company operates in the cutting-edge aerospace industry aiming to build a future where millions of people can live and work in space. They develop a variety of technologies, with a focus on reusable rocket systems which significantly reduce the cost of space travel. Blue Origin's core mission is to make this vision come to life by incrementally building on its successes with an ultimate vision of dramatic cost reduction and increased reliance on reusable spacecraft.

Industry

Space research administration

Company size

1,001 - 5,000 Employees

Headquarters location

Kent, WA, US

Year founded

2000