Senior Web Developer — Full-Stack GIS & Data Apps

Alta Planning + Design; Portland (OR); Hybrid; USD 93,000 - 103,000; Full time

Benefits offered by this job

Medical benefits

Dental & Vision

Life insurance

401(k) matching

PTO 21 days

Holidays 11 days

Parental leave

Wellness reimbursement

Alta Gets Around

Travel award

Professional development

Job summary

Alta Planning + Design seeks an experienced Senior Web Developer to join the Web and Digital Studio within our TDM Marketing & Creative Services team in Portland, OR. You will build and maintain full-stack websites, interactive tools, and data-driven apps while collaborating with designers, GIS and data staff, planners, and project teams across the firm.

The role combines front-end and back-end work with opportunities to contribute to emerging digital services, APIs, and system integrations, all

Qualifications

• 5–8 years of professional web development experience, including a track record of independently delivering production web applications or data-driven digital products
• 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.

Responsibilities

• Build and maintain full-stack websites, web applications, interactive dashboards, calculators, and internal tools.
• Create interactive experiences that let users explore data by geography, time, scenario, or demographics, presenting information through maps and charts.
• Integrate GIS data and web mapping platforms 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.
• Partner with web, design, marketing, GIS, and analytics teams to scope and deliver digital products.
• Review code and products for functionality, reliability, and security; mentor other developers.
• Contribute reusable components, automation, and internal tools; explore new technologies.

Skills

Web dev experience

VS Code

Git/GitHub

Docker

WSL/macOS

CI/CD

JavaScript/TypeScript

Node.js

CSS/SASS

Vue/Nuxt/Astro/Vite

Python (FastAPI/Django)

GIS web mapping

Tableau

Figma/Adobe CC

Strong communication

Transportation interest

CS degree or equivalent

Education

Bachelor's or associate degree in computer science or related field

Tools

ArcGIS

Mapbox

Tableau

Job description

Alta Planning + Design seeks an experienced Senior Web Developer to join the Web and Digital Studio within our TDM Marketing & Creative Services team in Portland, OR. You will build and maintain full-stack websites, interactive tools, and data-driven apps while collaborating with designers, GIS and data staff, planners, and project teams across the firm.

The role combines front-end and back-end work with opportunities to contribute to emerging digital services, APIs, and system integrations, all