backend web developer jobs in Toronto

Marble is building an AI-powered tax assistant and preparation platform that transforms how accounting firms and their clients handle tax season. We’re targeting the pain points of mid-to-large size accounting firms with intelligent tools designed to streamline complex tax workflows. We’re early stage, highly collaborative, and deeply focused on solving...

About Us HONK is modernizing parking payments across North America. We help municipalities, universities, and private operators move from physical infrastructure to digital permits, mobile payments, and smarter operator tools. We’re hiring a Senior Software Engineer to build and own systems end-to-end on the platform behind HONK’s growth. You’ll...

Leading and rapidly building end-to-end features from scratch for Loopio's platform. Going beyond writing Python or Java: designing and shipping reusable frameworks and shared libraries that raise the bar for how every team at Loopio builds, so good patterns scale instead of being reinvented. Proactively build technology to prevent bugs as they come up,...

Are you passionate about building engaging digital experiences and bringing marketing strategies to life through innovative web development? We’re looking for a skilled, detail-oriented, and forward-thinking Web Developer to help support our global marketing strategies and business objectives. In this role, you’ll work closely with the Marketing team,...

Design scalable Java and Spring Boot services from the Greater Toronto Area, working primarily remotely with on-site collaboration as required. Build backend solutions for complex enterprise workflows. This full-time, two-month contract supports an application modernization initiative in transportation and logistics. As a Senior Java Developer, you will...

Kumaran Systems is seeking an accomplished senior .NET backend engineer to design and implement scalable services in Azure. You will work on RESTful APIs, data modeling in SQL Server/Azure SQL, and secure authentication patterns while driving CI/CD through modern DevOps practices. Join a team that emphasizes engineering discipline, AI-enabled...

Our client is searching for an iOS & Backend Developer with a full-stack mindset. In this role, you will design and develop high-quality mobile applications integrated with backend services. The ideal candidate will bridge the mobile and backend worlds, owning projects from start to finish. This includes creating and maintaining applications while designing...

Cohere is looking for a Backend Engineer to specialize in optimizing model inference systems. In this remote-first role, you will create low-latency serving infrastructure for advanced backend services. Candidates for this position must have over five years of backend engineering experience and strong programming skills in Go, Rust, or C++. You'll work on...

We’re building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what’s right for our clients.At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and...

View all jobs Senior Software Engineer, Agentic Systems Toronto, ON Engineering Hybrid Full-time Asepha is based in New York and Toronto, building agentic solutions that re-imagine how medications are prescribed, verified, and supported across the pharmacy ecosystem. Backed by $4M in funding and trusted by multiple Fortune 50 healthcare organizations,...

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted,...

# Senior Software EngineerSpotify Remote (Toronto) Full-timeFull-timeRemoteSoftware Engineering---## About this roleSpotify is hiring a Senior Software Engineer (Remote (Toronto)). This is a remote software development role listed on the official Spotify careers site.About the Role:The Platform team creates the technology that enables Spotify to learn...

We're working with one of the fastest-growing companies in cybersecurity. They're now building their North America engineering team from scratch, and this is one of the first senior seats. Build web enforcement for leading AI applications, intercepting and classifying prompts inside third-party web apps without breaking them Design and build scalable...

Senpilot builds AI agents that help utilities operate smarter, faster, and more reliably, automating everything from engineering workflows to regulatory filings and compliance. Our mission is to create the intelligence layer for the modern grid: AI systems that understand utility data, reason across it, and act autonomously to improve safety, resilience, and...

Elevate production scheduling systems at HelloFresh as a Senior Backend Developer. This role focuses on backend architecture using Python and FastAPI to optimize meal production workflows. The Production Scheduling Technology team is looking for a skilled backend engineer to enhance their automated planning systems. You will work with a modern tech stack,...

Elevate production scheduling systems at HelloFresh as a Senior Backend Developer. This role focuses on backend architecture using Python and FastAPI to optimize meal production workflows. The Production Scheduling Technology team is looking for a skilled backend engineer to enhance their automated planning systems. You will work with a modern tech stack,...

Full Stack Java DeveloperApply**Job#: 3056236****Job Description:****Full Stack Developer****Client:** Major Canadian Financial Institution**Location:** Toronto, ON, Hybrid**On-Site Requirement:** Mondays and the first Friday of each month**Contract:** 6 months with strong potential for extension Position SummaryWe are seeking an Expert Full Stack Developer...

Benevity is the way the world does good, providing companies (and their employees) with technology to take social action on the issues they care about. Through giving, volunteering, grantmaking, employee resource groups and micro-actions, we help most of the Fortune 100 brands build better cultures and use their power for good. We're looking for a talented...

Blue Ant Media (TSX: BAMI) is an international streamer, production studio, advertising sales and rights-management business. The company operates a diverse portfolio of free streaming and pay TV channels internationally, including Love Nature, Cottage Life, Smithsonian Channel Canada, BBC Earth Canada, HauntTV, Homeful, and Love Pets, as well as the...

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...