GIS Developer

Toronto, ON
On-site
Posted Oct 21, 2026
1 position

Opens an external site

Employment type: Contract
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week

Job summary

The GIS Developer will design, develop, and maintain front-end web mapping applications while collaborating with stakeholders throughout the software development lifecycle. Responsibilities include creating programming specifications, performing unit testing, and ensuring applications meet accessibility standards.

Job details

Position: GIS Developer Location: Toronto, ON Job ID#: RQ11557 Duration: 3 Months Role Overview We are seeking a GIS Developer with strong experience in web application development, user interface design, and GIS-based web mapping technologies. The successful candidate will be responsible for designing, developing, implementing, testing, and maintaining front-end applications while working closely with stakeholders and technical teams throughout the software development lifecycle. This role requires expertise in modern front-end technologies, ESRI-based GIS solutions, accessibility compliance, and the customization of enterprise web mapping platforms. Key Responsibilities Design, develop, implement, and maintain front-end applications and user interfaces. Translate technical specifications into working, tested applications. Create detailed programming specifications and generate high-quality code. Perform unit testing, troubleshooting, debugging, and application support. Collaborate with technical teams throughout the Software Development Life Cycle (SDLC). Design, code, test, document, deploy, and troubleshoot applications. Gather and document requirements from business stakeholders and subject matter experts. Resolve technical issues related to software implementation, conversions, and migrations. Develop responsive and cross-browser compatible web applications. Create intuitive and effective user experiences for large-scale web platforms. Integrate external services, APIs, and communication protocols where required. Support application deployment and post-implementation activities. Required Skills & Qualifications General Development Experience Experience in programming and systems analysis. Experience supporting specialized software packages. Knowledge of structured development methodologies. Experience with application design, coding, testing, debugging, and documentation. Experience using object-oriented and/or third-generation language development tools. Experience with one or more programming languages. Experience with database technologies, including relational and hierarchical databases. Experience using information retrieval packages and query languages. Strong analytical, problem-solving, communication, interpersonal, and negotiation skills. Ability to work effectively within a team environment and meet deadlines. Front-End Development Skills Experience creating web interfaces and user experiences for large-scale web applications. Experience developing cross-browser compatible applications. Experience working with responsive frameworks. Experience integrating social media APIs. Experience defining product strategy and roadmaps. Experience collaborating with external partners and evaluating integration opportunities. Experience conducting beta and pilot testing initiatives. SDK Customization and Web Mapping Development (30%) Experience customizing mapping applications using: VertiGIS Studio Web SDK (preferred) Geocortex Viewer for HTML5 SDK ArcGIS Maps SDK for JavaScript Experience developing custom web mapping functionality using: JavaScript TypeScript React Experience building and deploying customized GIS viewers and tools. ESRI Platform and Application Builders (25%) Experience with: VertiGIS Studio (Web and Workflow) (preferred) Geocortex Essentials ESRI Experience Builder ESRI Web AppBuilder Experience integrating workflows and external services into mapping applications. Familiarity with user management, permissions, and deployment within ESRI environments. Technical Integration Skills (30%) Experience working with: ArcGIS REST API ArcGIS Server ArcGIS Portal Strong web development skills including: JavaScript TypeScript HTML CSS Accessibility (10%) Experience designing intuitive and user-friendly interfaces. Experience developing accessibility-compliant web applications. Knowledge of: Accessibility for Ontarians with Disabilities Act (AODA) WCAG 2.0 Level AA Standards Public Sector Experience (5%) Experience working within public-sector environments, particularly complex multi-stakeholder organizations. Desirable Skills Ability to work independently. Strong collaboration skills. Experience with GIS technologies and web mapping platforms. Knowledge of Internet-ready application development. Experience with Rapid Application Development (RAD) methodologies. Understanding of Information Management principles and practices. Experience with middleware and gateway technologies. Experience reviewing and modifying installation scripts. Experience conducting design walkthrough sessions. Experience creating user and system documentation. Ability to provide post-implementation support. Work Arrangement Candidates are required to work onsite 5 days per week. About Symbiotic Digital. Symbiotic Digital provides the IT Experts you need that solve problems and get things done. See what the top 2% in their field can do for you. (Symbiotic Digital is a division of Symbiotic Group Inc.) We serve customers in two ways, we provide: Digital Experts: IT Consulting expertise. Bright Minds That Produce Proven Results Recruitment: Find The Right People You Need Serving IT & Business leaders, Symbiotic Digital provides a business system that enable us to provide the Expert Technical staff needed to solve challenging business and IT problems. IT leaders in the most reputable organizations in Canada have relied on Symbiotic Digital to help them staff difficult assignments with proven Experts uniquely evaluated by our proven QMS- Quality Management System Staff Development Model. We are a 100% Indigenous owned company. Learn more online at https://www.symbioticgroup.com/home-sd/. Please submit your most recent resume to: RecDep@symbioticgroup.com View All Jobs online at: https://www.symbioticgroup.com/view-jobs/

What you’ll do

Requirements

Candidates must have strong experience in web application development, GIS-based mapping technologies, and modern front-end frameworks like React, TypeScript, and JavaScript. The role requires expertise in ESRI-based solutions and a proven ability to work effectively within a team environment.