Senior Web Developer

Day to Day

• 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
• 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
• Review code and products for functionality, responsiveness, browser/device compatibility, accessibility, data accuracy, and security
• Provide peer review and informal mentorship to other developers
• 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

• 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.

• 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

• 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