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Mid Level Frontend Web Developer Jobs in Seattle, WA

Frontend Developer-React

Redmond, WA · On-site

$116K - $135K/yr

Iflow is hiring for role Frontend Developer-React Title - Frontend Developer-React Location ... Build reusable UI components leveraging Fluent UI and modern web design standards. Implement ...

Partner with Growth Engineering and Design to improve load speed, accessibility, and cross-browser ... front-end development or website operations * Bachelor's degree in Computer Science, Web ...

Javascript Developer

Bellevue, WA · On-site

$16.82 - $42.30/hr

You will be joining the Engineering team as a Javascript Developer. Qualifications Mandatory ... Have worked with Data-Driven documents (D3.js) * Front-end web development experience. * A Bachelor ...

You will be joining the Engineering team as a Javascript Developer. Qualifications Mandatory ... Have worked with Data-Driven documents (D3.js) * Front-end web development experience. * A Bachelor ...

Mid-Level Structural Engineer

Seattle, WA · On-site

$73K - $110K/yr

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Professional development and tuition reimbursement We are seeking a mid-level Civil Engineer with a structural emphasis to join our talented dam engineering team. Our firm is large enough to work on ...

AEM Developer

Seattle, WA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... mid-size companies to meet their talent needs with high quality IT resources through Staff ... Experience with web development projects, relevant experience in JSP, XML, HTML, REST, CSS, JSON ...

Senior Web Engineer

Bellevue, WA · Hybrid

$120K - $190K/yr

Strong proficiency in frontend and backend development technologies. * Experience building or ... Ability to translate high-level requirements into a detailed execution plan * A product-minded ...

Structural Engineer, Mid-level

Seattle, WA · On-site

$112K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Structural Engineer (Mid-Level) Hazen and Sawyer is seeking a Structural Engineer for our Seattle ... Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an ...

Geotechnical Engineer (Mid-Level)

Seattle, WA

$115K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Compensation: Senior Professional I: $105,000 - $120,000 Senior Professional ...

Geotechnical Engineer (Mid-Level)

Seattle, WA · On-site

$115K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Compensation: Senior Professional I: $105,000 - $120,000 Senior Professional ...

Geotechnical Engineer (Mid-Level)

Seattle, WA · On-site

$105K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Compensation: Senior Professional I: $105,000 - $120,000 Senior Professional ...

FNE Frontend Developer

Bellevue, WA · On-site

$117K - $136K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Contract Role Overview We are seeking a Full Stack Web Engineer to build responsive, accessible ... Develop frontend features using Next.js, React, and TypeScript. * Build complex data tables and ...

Professional development and tuition reimbursement We are seeking a mid-level Civil Engineer with a structural emphasis to join our talented dam engineering team. Our firm is large enough to work on ...

Frontend Developer

Seattle, WA · On-site

$118K - $137K/yr

Frontend Developer Location: Bellevue Rate: DOE Note: Only local candidates in the seattle area ... Build awesome web experiences using React.js * Bachelor's Degree in Computer Science or related ...

Showing results 41-60

Mid Level Frontend Web Developer information

See Seattle, WA salary details

$54.6K

$115.6K

$182.7K

How much do mid level frontend web developer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for mid level frontend web developer in Seattle, WA is $115,564.00, according to ZipRecruiter salary data. Most workers in this role earn between $91,000.00 and $133,700.00 per year, depending on experience, location, and employer.

What is the difference between Mid Level Frontend Web Developer vs Junior Frontend Web Developer?

AspectMid Level Frontend Web DeveloperJunior Frontend Web Developer
Experience2-4 years of experience0-1 year of experience
SkillsProficient in HTML, CSS, JavaScript, frameworks like React or Angular, and basic debuggingBasic understanding of HTML, CSS, JavaScript, and learning frameworks
ResponsibilitiesDeveloping features, collaborating with designers, troubleshooting issuesAssisting in coding, learning project workflows, fixing minor bugs
Work EnvironmentIndependent task handling, team collaborationSupervised tasks, mentorship, learning-focused

The Mid Level Frontend Web Developer typically has more experience and handles complex tasks independently, while the Junior Frontend Web Developer is still developing skills and works under supervision. Both roles are essential in web development teams, with the mid-level role requiring a deeper understanding of frameworks and project workflows.

What are the most commonly searched types of Frontend Web Developer jobs in Seattle, WA?

The most popular types of Frontend Web Developer jobs in Seattle, WA are:

Frontend Developer-React

iFlow Inc

Redmond, WA • On-site

$116K - $135K/yr

Contractor

Re-posted 19 days ago


Job description

Iflow is hiring for role  Frontend Developer-React
Title- Frontend Developer-React
Location- Redmond,WA
Duration:6 Months
Experience: 
Description:
Responsibilities
Develop and maintain front-end features using React, TypeScript, JavaScript, HTML, and CSS.
Build reusable UI components leveraging Fluent UI and modern web design standards.
Implement scalable state‑management solutions using Redux or similar patterns.
Ensure compliance with accessibility (A11y) standards and deliver fully responsive interfaces.
Improve performance using techniques like lazy loading, code splitting, memoization, and pagination.
Integrate UI components with backend services and REST APIs.
Implement privacy, cookie, and user-consent–based compliance controls.
Collaborate closely with UX designers, product managers, and engineering teams.
Follow established DevOps, version control, and code review best practices.
Work within an Agile/Scrum development environment.
Required Skills & Qualifications
Strong hands-on experience with React, TypeScript, JavaScript, HTML5, and CSS3.
Experience using Fluent UI, Material UI, or similar UI component libraries.
Proven track record in building accessible and responsive web interfaces.
Solid understanding of Redux, context-based state management, or other structured patterns.
Familiarity with Azure DevOps, Git, and CI/CD pipelines.
Understanding of Agile methodologies and team-based software development practices.
Preferred Qualifications
Experience working with enterprise-scale applications.
Knowledge of performance monitoring tools and front-end testing frameworks.
• • Exposure to micro-frontend architecture or modular UI system