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Jr Web Developer Jobs in Sumner, 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 Compensation: $101,000 - $111,000 / year Description Alta Planning + Design seeks an experienced ...

New

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 reliable, accessible, and maintainable solutions across a range of technical environments. The role ...

New

ValidaTek, Inc.

Senior Web Developer

Tacoma, WA

$100K - $159K/hr

We are seeking a highly skilled Senior Web Developer with extensive expertise in both front-end and back-end web development to join our dynamic team. The ideal candidate will possess a deep ...

ValidaTek

Senior Web Developer

Tacoma, WA · On-site

We are seeking a highly skilled Senior Web Developer with extensive expertise in both front-end and back-end web development to join our dynamic team. The ideal candidate will possess a deep ...

Collabera

Sr. Web Developer

Seattle, WA

Looking for a Senior Web Developer with a strong background in DevOps and intricate knowledge of the HTTP stack. This team's missions is to identify and improve site performance across many of the ...

Uw

Web Application Developer

Seattle, WA · Remote

About this Opportunity Reporting to the Web Development Technical Manager, the Web Application Developer is responsible for designing, implementing, documenting, maintaining, and testing custom-built ...

Aircall.io, Inc.

Website Developer

Bellevue, WA

$115K - $160K/yr

Partner with Growth Engineering and Design to improve load speed, accessibility, and cross-browser ... Bachelor's degree in Computer Science, Web Development, or a related field * Proficiency in HTML ...

Uw

Front-End Developer

Seattle, WA · Hybrid

$118K - $137K/yr

Lead web strategy and front-end development for UW Facilities (UWF) websites, including ... developers and designers. * Develop and maintain custom Drupal themes and modules that follow UW ...

Solutions Resource

Javascript Developer

Bellevue, WA · On-site

$16.82 - $42.30/hr

You will be joining the Engineering team as a Javascript Developer. Qualifications Mandatory ... Knowledge of Restful web services. * Ajax * Proven expert in Visualization. * Ability to work in a ...

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Showing results 1-20

All JobsJr Web Developer JobsJr Web Developer Jobs in Sumner, WA

Jr Web Developer information

See Sumner, WA salary details

$32.4K

$85.5K

$126.8K

How much do jr web developer jobs pay per year?

As of Aug 24, 2026, the average yearly pay for jr web developer in Sumner, WA is $85,521.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,400.00 and $85,800.00 per year, depending on experience, location, and employer.

What is a Jr web developer?

Jr Web Developers are entry-level professionals who help build and maintain websites and web applications. They typically work under the supervision of more experienced developers, assisting with coding, debugging, and testing web projects. Jr Web Developers use programming languages like HTML, CSS, and JavaScript, and may also work with frameworks and content management systems. Their responsibilities often include updating website content, fixing bugs, and learning new technologies to grow their skills.

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

To thrive as a Jr Web Developer, you need a solid understanding of HTML, CSS, JavaScript, and basic programming concepts, often demonstrated through a relevant degree or portfolio of projects. Familiarity with code editors, version control systems like Git, and popular frameworks such as React or Bootstrap is typically expected. Strong problem-solving skills, attention to detail, and effective communication help you collaborate and learn quickly in team environments. These skills ensure you can contribute to web projects efficiently, adapt to new technologies, and support the team in building robust, user-friendly websites.

What are some common challenges faced by Jr web developers when working on team projects, and how can they overcome them?

Jr Web Developers often face challenges such as understanding legacy code, adapting to different coding standards, and effectively communicating their ideas within a team. To overcome these, it's helpful to ask questions early, participate actively in code reviews, and familiarize yourself with the team's workflow and documentation. Collaborating with more experienced developers and using version control tools like Git can also smooth the transition into larger projects.

What is the difference between Jr Web Developer vs Web Designer?

AspectJr Web DeveloperWeb Designer
Required SkillsHTML, CSS, JavaScript, basic codingDesign tools, UI/UX principles, graphic design
Work EnvironmentDevelopment teams, coding projectsDesign studios, client meetings
Common CertificationsWeb development certifications, coding bootcampsGraphic design certifications, Adobe certifications

Jr Web Developers focus on coding and building websites, while Web Designers concentrate on visual design and user experience. Both roles often collaborate but require different skill sets and tools. Understanding these differences helps job seekers target the right roles based on their skills and interests.

What cities near Sumner, WA are hiring for Jr Web Developer jobs?

Cities near Sumner, WA with the most Jr Web Developer job openings:

Jr Web Developer jobs near you
Infographic showing various Jr Web Developer job openings in Sumner, WA as of August 2026, with employment types broken down into 1% Internship, 80% Full Time, 12% Part Time, 1% Temporary, and 6% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $85,521 per year, or $41.1 per hour.

Senior Web Developer

Trilon Group

Seattle, WA • On-site

$101K - $111K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 3 days ago

New

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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