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Support Web Developer Jobs in Seattle, WA (NOW HIRING)

Trilon Group

Senior Web Developer

Seattle, WA · On-site

$101K - $111K/yr

Senior Web Developer Department: Creative Services Employment Type: Full Time Location: Seattle, WA ... Within this team, the Web and Digital Studio supports web-based and digital products and services ...

Mannik Smith Group

Senior Web Developer

Seattle, WA · On-site

$101K - $111K/yr

Senior Web Developer Department: Creative Services Employment Type: Full Time Location: Seattle, WA ... Within this team, the Web and Digital Studio supports web-based and digital products and services ...

Trilon

Senior Web Developer

Seattle, WA · On-site

The Senior Web Developer will play a key role in expanding Alta's digital capabilities by building ... Within this team, the Web and Digital Studio supports web-based and digital products and services ...

Socket.dev

WEB DEVELOPER

Seattle, WA · On-site

As a Web Developer, you will play a crucial role in developing and maintaining our website ... Provide technical support to website users and address any concerns or issues that may arise ...

krg technology inc

WEb developer

Redmond, WA · On-site

... support 5. Closely working with the Azure Web team to enhance the BAPI experiences 6. Mentoring contributors across the BAPI group who are creating new pages and content 7. 5+ years of web ...

Aquent

Web Developer 5

Redmond, WA · On-site

$67.50 - $75/hr

Design, develop, and maintain robust business application solutions to support critical business ... SQL programming, including stored procedures, views, functions, and performance optimization.

krg technology inc

.Net Web developer

Redmond, WA · On-site

$54 - $71.50/hr

... support Closely working with the Azure Web team to enhance the BAPI experiences Mentoring contributors across the BAPI group who are creating new pages and content 5+ years of web development ...

SRI Tech solutions Inc

SDE 3

Redmond, WA

Client is looking for an experience web developer to help make improvements to an existing game ... Additionally candidate will be responsible for enabling features in the community site to support ...

SRI Tech solutions Inc

SDE 3

Redmond, WA · On-site

Client is looking for an experience web developer to help make improvements to an existing game ... Additionally candidate will be responsible for enabling features in the community site to support ...

Trilon Group

Web and Digital Studio Lead

Seattle, WA · On-site

$124K - $134K/yr

... developers to help clients communicate complex ideas, engage audiences, and inspire action. Our ... Within this team, the Web and Digital Studio supports web-based and digital products and services ...

Trilon

Web and Digital Studio Lead

Seattle, WA · On-site

... developers to help clients communicate complex ideas, engage audiences, and inspire action. Our ... Within this team, the Web and Digital Studio supports web-based and digital products and services ...

SonSoft Inc.

UI Mobile Web Developer

Bothell, WA · On-site

$56 - $72.75/hr

... support and performance engineering. • At least 1 year of experience in Responsive Web Design • At least 1 year of experience in Single Page Application development • At least 1 year of ...

Sonsoft Inc

UI Mobile Web Developer

Bothell, WA · On-site

$56 - $72.75/hr

At least 2 years experience in Production support and performance engineering. At least 1 year of experience in Responsive Web Design At least 1 year of experience in Single Page Application ...

Robinhood

Web Engineer

Bellevue, WA · On-site

$166K - $195K/yr

Build and improve tools to support Robinhood's operations and platforms, providing leverage across ... Obsessed with building a best-in-class developer experience * Have a track record of successfully ...

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How much do support web developer jobs pay per hour?

As of Sep 13, 2026, the average hourly pay for support web developer in Seattle, WA is $51.35, according to ZipRecruiter salary data. Most workers in this role earn between $39.38 and $62.12 per hour, depending on experience, location, and employer.
Infographic showing various Support Web Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 71% Full Time, 23% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $106,801 per year, or $51.3 per hour.

Senior Web Developer

Seattle, WA • On-site

Trilon Group
Civil Engineering Construction • 201 - 500 employees
Learn more about Trilon Groupexternal

$101K - $111K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 23 days ago

Key responsibilities

  • Build and maintain full-stack websites, web applications, interactive dashboards, calculators, and internal tools.

  • Create interactive experiences that allow users to explore data through maps, charts, and narrative content.

  • Integrate GIS data and web mapping platforms into web products.

Job description

Senior Web Developer
Department: Creative Services
Employment Type: Full Time
Location: Seattle, WA
Compensation: $101,000 - $111,000 / year
Description
Alta Planning + Design seeks an experienced Senior Web Developer (Web Developer III) to join the Web and Digital Studio within our TDM Marketing & Creative Services team. This role is ideal for a highly skilled, hands-on developer who can independently deliver complex websites, web applications, interactive and data-driven tools, and other digital products while collaborating closely with designers, marketers, GIS and data staff, planners, and project teams across the firm.
The Senior Web Developer will play a key role in expanding Alta's digital capabilities by building reliable, accessible, and maintainable solutions across a range of technical environments. The role combines full-stack development, systems integration, technical problem-solving, QA/QC, and project collaboration, with opportunities to contribute to emerging digital services, data-intensive applications, and the continued evolution of Alta's web and digital practice.
About Alta's TDM Marketing & Creative Services Group
Alta's Marketing & Creative Services team brings together strategists, marketers, designers, and digital developers to help clients communicate complex ideas, engage audiences, and inspire action. Our work spans branding, campaigns, communications, graphic design, digital strategy, websites, interactive tools, and technology-enabled experiences.
Within this team, the Web and Digital Studio supports web-based and digital products and services across Alta's client portfolio. The team partners closely with Marketing & Creative Services staff as well as planners, engineers, GIS specialists, civic data analysts, and project teams across the firm to create digital solutions that support both client needs and Alta's broader services. As our digital work expands, the team is increasingly working across full-stack development, data visualization, APIs and system integrations, marketing technologies, automation, GIS-enabled tools, and other emerging digital applications.
Day to Day
Production Work (70%)
  • Build and maintain full-stack websites, web applications, interactive dashboards, calculators, and internal tools, translating wireframes and design systems into responsive, high-performing interfaces
  • Create interactive experiences that let users explore data by geography, time, scenario, or demographics - presenting complex information through maps, charts, and narrative content
  • Integrate GIS data and web mapping platforms (ArcGIS Online/Portal, ArcGIS Feature Services, StoryMaps, Mapbox, or similar) into web products
  • Develop APIs, service integrations, and data-processing workflows using Python and frameworks like FastAPI, Flask, or Django
  • Connect web products to external databases, CRMs, CDPs, and marketing platforms such as Salesforce, HubSpot, or Ortto
  • Configure and extend platforms like ArcGIS StoryMaps/Experience Builder or Tableau as project needs require
  • Set up website analytics and measurement (Google Analytics, Google Tag Manager) and apply technical SEO and performance best practices
  • Implement and test accessibility best practices, including WCAG 2.1/2.2 AA standards

Collaboration & Coordination (15%)
  • Partner with web, graphic design, marketing, GIS, civic analytics, and planning teams to scope and deliver digital products
  • Coordinate with project managers, designers, and technical staff on requirements and delivery
  • Support deployment, hosting, and environment coordination alongside Alta's Web and Digital Studio Lead and IT

Peer Review, Testing & QA/QC (10%)
  • Review code and products for functionality, responsiveness, browser/device compatibility, accessibility, data accuracy, and security
  • Provide peer review and informal mentorship to other developers

Technical Leadership & R&D (5%)
  • Contribute reusable components, automation, and internal tools that improve team efficiency and quality
  • Explore new technologies and approaches to keep Alta's digital products at the leading edge

Qualifications
Required
This position requires a combination of skills, experience and education including, but not limited to
  • 5-8 years of professional web development experience, including a track record of independently delivering production web applications or data-driven digital products
  • Expert-level comfort with core development tooling: VS Code (or similar), Git/GitHub, Docker, WSL or macOS, and CI/CD workflows
  • Advanced experience with the modern front-end ecosystem - JavaScript, TypeScript, Node.js, CSS/SASS, and frameworks like Vue, Nuxt, Astro, or Vite
  • Working to advanced Python experience with frameworks such as FastAPI or Django; familiarity with PHP is a plus
  • Experience with geospatial/GIS web mapping platforms (ArcGIS, Mapbox, or comparable)
  • Familiarity with data visualization or dashboard tools like Tableau
  • Experience with design/prototyping tools such as Figma and Adobe Creative Cloud
  • Strong written and verbal communication skills - comfortable discussing technical topics with both technical and non-technical audiences
  • A genuine interest in sustainable transportation, active transportation, city planning, or related fields
  • Bachelor's or associate's degree in computer science or a related field, or equivalent professional experience.
  • Public-sector, planning, transportation, GIS, or other data-intensive application experience; WCAG accessibility certification.

What We Offer
Flexible Schedule
Alta offers a flexible, hybrid work schedule where most employees work from home three days per week. In-office days support our collaborative culture, one of our core values.
Compensation
The base salary range for this role is indicated in the posting. This range reflects the company's good faith estimate of the compensation for this position at the time of posting. Final compensation will be determined based on factors such as experience, skills, qualifications, internal equity, and geographic location.
Benefits
Alta offers comprehensive benefits to all full-time employees:
  • Medical: PPO or HSA medical plans, Alta pays 75% of the cost
  • Dental/Vision: PPO, Alta pays 90% of the cost
  • Life Insurance: Alta pays 100% of the premium for life and AD&D, equal to your base compensation
  • 401(k): Alta provides a match up to 3 %
  • PTO: 21 days accrued annually to start
  • Holidays: 11 total company paid holidays
  • Paid Parental Leave/Short-Term Disability
  • Additional Benefits: Wellness reimbursement up to $800 annually, Alta Gets Around benefit of up to $900 annually, 5-year travel award, and professional development opportunities

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*The following statements pertain to US Candidates Only*

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