backend web developer jobs in Toronto

Xanadu’s mission is to build quantum computers that are useful and available to people everywhere.At Xanadu, we are learners, innovators, researchers, collaborators and problem solvers. We are creating something that has never been built before. What we are doing is extremely hard, the classic moon shot. Few people in their life will be able to be a part...

Build AWS Lambda and Node.js backend solutions as a consultant supporting a major bank, with hybrid work in Downtown Toronto. Independent delivery and communication are central to this position. This AWS Node.js Backend Developer opportunity requires 5–7+ years of development experience. You will apply hands-on AWS knowledge across backend work while...

Own Shopify Plus architecture, custom applications, integrations, APIs, and webhooks. Assess the existing platform and identify technical debt, scalability risks, performance issues, and optimization opportunities. Develop and maintain a technical roadmap aligned with business growth and operational efficiency. Design and manage integrations with ERP, OMS,...

Seeking a Software Developer to build and evolve mobile and web applications. Responsibilities include feature development, performance improvement, backend support, and collaborating on UI/UX. AI utilization is encouraged.

IntroductionAt IBM Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software means joining a team fueled by...

Backend software developer needed to leverage computer vision and build distributed backend services with consistent APIs for the interior decor industry. Must have 1+ year of experience, strong CS fundamentals, and focus on execution.

Staff Backend Engineer focused on enhancing the developer experience by identifying and removing friction in the development lifecycle, including coding, designing solutions, and influencing engineering culture.

Drive innovation in quantum computing as a Backend Developer with Xanadu. Your expertise will enhance the functional capabilities of the pennylane.ai platform. This Senior Software Developer position focuses on building and maintaining products within the pennylane.ai ecosystem aimed at revolutionizing quantum software development. Your role includes...

Seeking a Backend Software Developer to design, develop, and sustain scalable backend services using Go and cloud-native tooling, leveraging AI and automation to improve performance and reliability for millions of users.

S'more About The Team The Production Scheduling Technology team builds and maintains the platform that powers how HelloFresh plans, sequences, and optimizes production across our operations. Our team has developed the first iteration of the next‑generation internal system with a planning engine that now automates the end‑to‑end planning process – a...

Shape the future of cloud technology as a Senior Backend Developer for IBM Software, focusing on core services for Confluent Cloud. Join a team dedicated to high-impact cloud networking solutions. In this role, you will be integral to developing robust backend infrastructure. Your responsibilities will include designing, building, and maintaining secure...

Job Role: Software Developer- Front End - Senior (VertiGIS Studio Web SDK/ GeoContext/ ArcGIS exp) Location : Toronto, ON/Onsite Position Type : Contract Role Start Date 2026-11-02 End Date 2027-01-15 5 days Onsite in a week Ideal Candidate Rate: CAD 90-94/Hr (Depending on the experience) Must Have: Experience customizing mapping applications using: ESRI...

Full-stack Senior Software Developer with backend focus sought to enhance travel booking platform. Responsibilities include feature development, microservices, API integration, and platform improvements. Requires 5+ years in C#/.NET Core, SQL, and Angular.

Elevate your career with Winobell as a Lead Shopify Plus Backend Developer. Drive technical architecture and develop robust ecommerce solutions for enhanced operational efficiency. At Winobell, you will own the Shopify Plus architecture and custom applications. Your expertise in Shopify APIs, GraphQL, and integrations will be crucial in identifying...

Now Hiring: Intermediate Web Developer (PDF & Accessibility Specialist) Location : Ontario-Based Public Sector Client Contract: March 2026 – February 2028 -2 years contract with potential of extension Security Clearance: Not Required Compensation : $30.00- $45.00 per hour (depending on skills and experience) Stafingo is hiring on behalf of a...

Seeking a software developer to enhance customer value through AI-driven experiments and deliver high-quality features for a growing SaaS company.

Experienced backend software developer sought for a fully remote role in Canada, focusing on Java and cloud technologies. Responsibilities include collaboration, code quality, architecture, and DevOps.

A software development company in Toronto is looking for an experienced professional with strong skills in Java and C. The ideal candidate should have at least 5 years of experience in computer science-related roles and show excellent communication abilities. You'll work with diverse teams, focusing on understanding and addressing customer needs while...

Craft and Crew seeks a Web Developer to lead the development of high-quality, large-scale websites using Drupal, WordPress, and Craft CMS. You will ensure client needs are met while upholding top technical standards and ongoing maintenance. You will mentor junior developers, contribute to process improvements, and perform QA, debugging, and performance...

Cloud Consultant This role is 100% remote (work from home). 3 to 6-month contract – renewable. Open to freelancers/contractors. At Cortex Génie Humain, we believe in the power of ingenuity and innovation to solve our clients’ most complex challenges. As experts in engineering, project management, and tailored solutions, we support organizations...