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Senior Full Stack Engineer Jobs in Seattle, WA (NOW HIRING)

Clerkie

Full-Stack Engineer

Seattle, WA · Remote

$90/hr

About the role We're looking for a Full-Stack engineer who wants to build, own, and ship end-to-end ... Live Coding Challenge w/ Sr. Engineer (90 minutes via Google meet) * Final Management Meeting w ...

Typeface

Senior Software Engineer

Bellevue, WA · Hybrid

$160K - $200K/yr

What You'll Do As a Senior Full stack Engineer, you will be responsible for building features end-to-end. You will work closely with cross-functional teams including product, design, marketing, and ...

Worky

Senior Full Stack Software Engineer

Seattle, WA · On-site

As a Senior Full-Stack Engineer, you will help build FruitScope OS, the web application that our farmers use to run their farms. You will own major product problems end to end: understanding customer ...

CourtAvenue

Senior Fullstack Software Engineer

Seattle, WA · On-site +1

$115K - $145K/yr

We are in search of a Senior Full-Stack Software Engineer to join our Gigantic Playground team. In this role, you will play a crucial part in driving technological innovation for our clients ...

Provn

Agentic Full Stack Engineer II

Bellevue, WA · On-site

$130K - $200K/yr

Agentic Full Stack Engineer II Golden Analytics Bellevue, WA Onsite Full-time - analytics/jobs/ccb604fc -223a-45bc-a38e- ba3426cf6dc8/agentic -full-stack-engineer-ii-aug- 2026?utm_source=dstribute ...

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All JobsFull Stack Engineer JobsSenior Full Stack Engineer JobsSenior Full Stack Engineer Jobs in Seattle, WA

Senior Full Stack Engineer information

See Seattle, WA salary details

$50.7K

$153.5K

$216.9K

How much do senior full stack engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for senior full stack engineer in Seattle, WA is $153,459.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,400.00 and $179,900.00 per year, depending on experience, location, and employer.

What is a senior full stack engineer?

Senior Full Stack Engineers are experienced software developers who are proficient in both front-end and back-end technologies. They design, build, and maintain complex web applications, overseeing the entire software development process from user interface to server-side logic and databases. In addition to coding, they often mentor junior developers, lead technical decisions, and ensure best practices are followed throughout the project lifecycle. Their broad skill set allows them to bridge the gap between different development teams and deliver cohesive, high-quality solutions.

How do senior full stack engineers balance hands-on coding with mentoring and leading team projects?

Senior Full Stack Engineers often split their time between developing complex features, reviewing code, and guiding junior team members. Alongside hands-on coding, they play a key role in architectural decisions, ensuring code quality, and fostering best practices across the team. Effective communication and delegation skills are crucial, as they frequently collaborate with product managers, designers, and other engineers to align technical solutions with business goals. This balance provides opportunities for leadership growth while keeping technical skills sharp.

What are the key skills and qualifications needed to thrive as a senior full stack engineer, and why are they important?

To thrive as a Senior Full Stack Engineer, you need deep proficiency in front-end and back-end development, strong problem-solving skills, and a solid foundation in computer science, often supported by a relevant degree or equivalent experience. Familiarity with frameworks like React or Angular, back-end technologies such as Node.js or Java, cloud services, and version control systems like Git is typically required, along with experience in CI/CD and testing tools. Excellent communication, leadership, and collaboration skills help you guide teams and coordinate across disciplines. These skills are crucial for delivering scalable, high-quality software solutions and effectively leading complex projects.

What is the difference between Senior Full Stack Engineer vs Software Developer?

AspectSenior Full Stack EngineerSoftware Developer
CredentialsBachelor's degree in CS or related field; experience often requiredBachelor's degree in CS or related field; entry-level to mid-level experience
Work EnvironmentCollaborates across front-end and back-end teams, often in agile settingsFocuses on coding, testing, and debugging software applications
Industry UsageCommon in tech companies, startups, and enterprise software firmsWidely used across various industries for software development roles

While both roles involve coding and software development, a Senior Full Stack Engineer typically has broader responsibilities across both front-end and back-end systems, often with more experience and leadership duties compared to a Software Developer, who may focus on specific parts of the software stack.

How much do senior full stack engineers make?

Senior full stack engineers typically earn between $100,000 and $160,000 annually, depending on experience, location, and company size. They often possess skills in multiple programming languages, frameworks, and tools, and may receive additional compensation such as bonuses or stock options.

What does a senior full stack engineer do?

A senior full stack engineer designs, develops, and maintains both the front-end and back-end components of web applications. They often lead technical projects, write clean code, and use tools like JavaScript, Python, or Java, along with frameworks such as React or Node.js. They also troubleshoot issues, optimize performance, and collaborate with cross-functional teams to deliver complete software solutions.

What are the most commonly searched types of Full Stack Engineer jobs in Seattle, WA?

The most popular types of Full Stack Engineer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Senior Full Stack Engineer jobs?

Cities near Seattle, WA with the most Senior Full Stack Engineer job openings:

Infographic showing various Senior Full Stack Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 91% Full Time, 4% Part Time, and 5% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $153,459 per year, or $73.8 per hour.

Senior Full Stack Software Engineer (TS/SCI)

Seattle, WA • On-site

Integrate
See more jobs at Integrateexternal

Full-time

Re-posted 14 hours ago

Job description

Job Summary:
Integrate is a Seattle-based company focused on building multiplayer project management software for advanced manufacturing and defense sectors. They are seeking a Senior Full Stack Software Engineer to contribute to the development of their platform, which involves working on both the frontend and backend, ensuring effective collaboration and communication of complex project data.
Responsibilities:
• Build and iterate on React-based UI surfaces that make complex project workflows legible and fast for end users
• Design and maintain REST APIs and GraphQL layers in Go, working across internal and external consumers
• Own and evolve data models in PostgreSQL — schema design, query optimization, and migration management
• Contribute to our GraphQL integration layer, ensuring resolvers are well-structured and performant
• Build and maintain integration services in Go that connect internal systems and external APIs, owning the full contract from interface design to error handling and observability.
• Write and maintain CI/CD pipelines using GitHub Actions including build, test, and deployment stages across environments.
• Ship clean, tested, maintainable code across the stack — and leave things better than you found them
Qualifications:
Required:
• 3–5+ years of full stack engineering experience in a product-focused environment
• Strong React fundamentals — component architecture, state management, and performance; Apollo Client familiarity is a plus
• Solid HTML5 and CSS3; able to build clean, responsive interfaces without leaning on a framework crutch
• Go on the backend — REST API development, middleware, and service patterns
• PostgreSQL — comfortable with schema design, query writing, and migrations
• GraphQL — can read and reason about a resolver, understands n+1 patterns and common pitfalls; bonus if you've worked with complex or graph-structured data models
• Familiarity with integration patterns — webhooks, third-party API design, or similar
• Some exposure to broader backend concerns: caching, rate limiting, or async processing
• GitHub Actions or similar CI/CD tooling
• Active TS or TS/SCI clearance
• US person status (including US citizens, U.S. permanent residents, individuals granted U.S. asylum status, or individuals admitted in U.S. refugee status)
Preferred:
• Background in B2B SaaS, defense tech, or complex enterprise environments is a plus
• Comfort working in a product and architecture that's still taking shape
Company:
Real-time, cross-boundary project management for complex defense programs. Founded in 2022, the company is headquartered in Seattle, USA, with a team of 11-50 employees. The company is currently Early Stage.

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