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Mid Level Full Stack Engineer Jobs in Seattle, WA

Superhuman

Software Engineer, Full-Stack

Seattle, WA · On-site

$163K - $284K/yr

As a Full-Stack Engineer at Superhuman, you will play a critical role in building core parts of the Superhuman product offering, infrastructure, and features to help 40 million users write more ...

Deloitte

Cyber Full-Stack Software Engineer

Seattle, WA · On-site

As a Full Stack Engineer, you will design, develop, and enhance applications across frontend and backend environments, working with modern engineering practices and cloud-based technologies. You will ...

Okta

Staff Full Stack Engineer

Bellevue, WA · On-site

The Role We are looking for a highly curious, self-directed Full-stack engineer who thrives on solving complex technical challenges for our Digital Technology team. You are a versatile developer ...

Staffingine LLC

Net Full Stack Developer

Bellevue, WA · On-site

Job Title: .Net Full Stack Developer Job Location: Bellevue - Washington Job Type: Contract to Hire * Lead full stack development across the frontend and backend ensuring highquality code and ...

Emvia, Inc.

.Net Full Stack Developer

Redmond, WA · On-site

Company Description Emvia Inc Position : .Net Full Stack Developer Location : Redmond, WA(Locals) Duration :18 Months Contract Need 10+ years experience Full stack developer with Solid Azure Stack ...

Divensi

Full Stack Developer

Redmond, WA · On-site

We've helped countless blue chip and mid-size companies drive innovation, increase productivity ... Every engineer is involved in the entire software development lifecycle (SDLC), everything from ...

Divensi

Full Stack Developer

Redmond, WA · On-site

We've helped countless blue chip and mid-size companies drive innovation, increase productivity ... Every engineer is involved in the entire software development lifecycle (SDLC), everything from ...

Ally

Senior Full Stack Engineer

Bellevue, WA · On-site

As Senior Full Stack Software Engineer in our Seattle-based team, you be involved in every aspect of Ally, from design to deployment and help build, evolve, and support the product. You will work ...

Ally

Senior Full Stack Engineer

Bellevue, WA · On-site

As Senior Full Stack Software Engineer in our Seattle-based team, you be involved in every aspect of Ally, from design to deployment and help build, evolve, and support the product. You will work ...

Epic Games

Senior Full Stack Engineer

Bellevue, WA · On-site

$162K - $237K/yr

As an engineer at Epic, you'll leverage deep full-stack understanding to solve complex technical challenges with novel solutions. You will collaborate with an experienced team at the forefront of the ...

Socket.dev

Senior Full Stack Engineer

Bellevue, WA · On-site

$162 - $238/hr

As an engineer at Epic, you'll leverage deep full-stack understanding to solve complex technical challenges with novel solutions. You will collaborate with an experienced team at the forefront of the ...

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Showing results 21-40

All JobsMid Level Full Stack Engineer JobsMid Level Full Stack Engineer Jobs in Seattle, WA

Mid Level Full Stack Engineer information

See Seattle, WA salary details

$50.6K

$153.4K

$216.8K

How much do mid level full stack engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for mid level full stack engineer in Seattle, WA is $153,373.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,300.00 and $179,800.00 per year, depending on experience, location, and employer.

What is the difference between Mid Level Full Stack Engineer vs Front End Developer?

AspectMid Level Full Stack EngineerFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, such as JavaScript, HTML, CSS, Node.js, and databasesSpecialized in front-end technologies like HTML, CSS, JavaScript, and frameworks like React or Angular
Work EnvironmentCollaborates across full project stack, often in agile teams, handling both client and server-side tasksFocuses primarily on user interface, user experience, and front-end development tasks
Common UsageUsed in roles requiring full project development, integration, and deploymentUsed in roles focused on designing and implementing user-facing features

The Mid Level Full Stack Engineer has a broader scope, working on both front-end and back-end development, while a Front End Developer specializes in creating and optimizing user interfaces. Both roles require strong JavaScript skills, but the full stack engineer's expertise spans multiple technologies and layers of the application.

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

To thrive as a Mid Level Full Stack Engineer, you need solid proficiency in front-end and back-end programming languages (such as JavaScript, Python, or Java), experience with frameworks (like React and Node.js), and a relevant degree or equivalent experience. Familiarity with version control systems (e.g., Git), cloud platforms (AWS, Azure), and databases (SQL/NoSQL) is typically required, and certifications in these areas can be advantageous. Problem-solving ability, effective communication, and strong collaboration skills are crucial soft skills for this role. These competencies ensure you can build scalable, reliable applications while working efficiently within cross-functional development teams.

What is a mid level full stack engineer?

Mid Level Full Stack Engineers are software developers with several years of experience who work on both the front-end and back-end of web applications. They are proficient in multiple programming languages and frameworks, and are capable of taking on tasks across the entire technology stack, from designing user interfaces to managing databases and server infrastructure. Mid level indicates they have moved beyond junior responsibilities, can work independently, and often mentor less-experienced team members. Their well-rounded skill set allows them to contribute to all phases of development and solve complex technical challenges.

What are some common challenges faced by mid level full stack engineers when balancing front-end and back-end responsibilities?

Mid-level full stack engineers often encounter the challenge of context-switching between front-end and back-end tasks, which can require different mindsets and technical skills. Managing project priorities and ensuring seamless integration between both layers is key, especially when collaborating with specialized team members. Additionally, staying updated with evolving frameworks and best practices in both domains can be demanding, but it's essential for delivering robust, maintainable solutions. Successfully navigating these challenges often leads to increased autonomy and visibility within the team, paving the way for future advancement.
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 are popular job titles related to Mid Level Full Stack Engineer jobs in Seattle, WA? For Mid Level Full Stack Engineer jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Mid Level Full Stack Engineer jobs in Seattle, WA look for? The top searched job categories for Mid Level Full Stack Engineer jobs in Seattle, WA are:
Mid Level Full Stack Engineer jobs near you
Infographic showing various Mid Level Full Stack Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 90% Full Time, 4% Part Time, and 6% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $153,373 per year, or $73.7 per hour.

Software Engineer, Full-Stack

Superhuman

Seattle, WA • On-site

$163K - $284K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 13 days ago

Job description

Superhuman offers a dynamic hybrid working model for this role. This flexible approach gives team members the best of both worlds: plenty of focus time along with in-person collaboration that helps foster trust, innovation, and a strong team culture.
About Superhuman
Grammarly is now part of Superhuman, the AI productivity platform on a mission to unlock the superhuman potential in everyone. The Superhuman suite of apps and agents brings AI wherever people work, integrating with over 1 million applications and websites. The company's products include Grammarly's writing assistance, Superhuman Docs's collaborative workspaces, Mail's inbox management, and Go, the proactive AI assistant that understands context and delivers help automatically. Founded in 2009, Superhuman empowers over 40 million people, 50,000 organizations, and 3,000 educational institutions worldwide to eliminate busywork and focus on what matters. Learn more at superhuman.com and about our values here.
The Opportunity
To achieve our ambitious goals, we're looking for Full-Stack Software Engineers to join our engineering teams. As a Full-Stack Engineer at Superhuman, you will play a critical role in building core parts of the Superhuman product offering, infrastructure, and features to help 40 million users write more clearly and effectively every day. You'll have the opportunity to work across both Front-End and Back-End, contributing to highly visible, impactful projects.
Superhuman engineers and researchers have the freedom to innovate and uncover breakthroughs-and, in turn, influence our product roadmap. The complexity of our technical challenges is growing rapidly as we scale our interfaces, algorithms, and infrastructure. You can hear more from our team on our technical blog.
Superhuman is growing rapidly. There are opportunities to join a team, learn from experienced peers, and build product offerings and teams from the ground up. Within our growing engineering organization, there is plenty of room for ownership and direct impact on users.
As a Full-Stack Engineer, you will:
  • Start building and pushing code in your first week and ship impactful features in your first few months.
  • Build and support production services with high call rates on the Back-End and develop rich user interfaces on the Front-End.
  • Target high availability for consumer and enterprise customers.
  • Learn how to build infrastructure as code (IaC).
  • Collaborate widely with internal teams such as Core, Growth, Enterprise, Trust, and Data to deliver delightful product offerings to our customers.
  • Contribute to an engineering culture with a strong emphasis on documentation, testing, and user experience.
  • Evaluate the systems and technology in place today while proposing systems and architecture that can scale for the future.
  • Have the opportunity to mentor new hires.

Qualifications
  • Brings at least three years of experience in Full-Stack development.
  • Displays excellent software engineering fundamentals, including knowledge of algorithms and data structures.
  • Is ready to tackle infrastructure challenges when needed.
  • Knows modern web client development and testing tools.
  • Has experience building, deploying, and debugging production systems at scale.
  • Demonstrates perseverance when faced with tough technical issues.
  • Cares about the end-user experience and strives to ensure high quality.
  • Has a demonstrated ability to work independently with minimal guidance, proactively manages tasks and priorities across multiple projects, analyzes and executes work efficiently, collaborates effectively with cross-functional teams, and thrives in fast-paced, results-driven environments

We invite you to share your knowledge, experience, and goals with us to help us find the best team match for you. Tell us your superpower!
Compensation and Benefits
Superhuman offers all team members competitive pay along with a benefits package encompassing the following and more:
  • Excellent health care (including a wide range of medical, dental, vision, mental health, and fertility benefits)
  • Disability and life insurance options
  • 401(k) and RRSP matching
  • Paid parental leave
  • 20 days of paid time off per year, 12 days of paid holidays per year, two floating holidays per year, and flexible sick time
  • Generous stipends (including those for caregiving, pet care, wellness, your home office, and more)
  • Annual professional development budget and opportunities

Superhuman takes a market-based approach to compensation, which means base pay may vary depending on your location. Our US locations are categorized into two compensation zones based on proximity to our hub locations.
Base pay may vary considerably depending on job-related knowledge, skills, and experience. The expected salary ranges for this position are outlined by compensation zone and may be modified in the future.
We Encourage You to Apply
At Superhuman, we value our differences, and we encourage all-especially those whose identities are traditionally underrepresented in tech organizations-to apply. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, ancestry, national origin, citizenship, age, marital status, veteran status, disability status, political belief, or any other characteristic protected by law. Superhuman is an equal opportunity employer and a participant in the US federal E-Verify program (US). We also abide by the Employment Equity Act (Canada).

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