backend developer jobs in Toronto

Job Title Backend Engineer Python (API & Platform Engineering) Location Toronto, Ontario (Onsite) Experience 5-10+ years Role Overview We are seeking a skilled Python Backend Engineer to build and scale high-performance backend systems. This role focuses on API development, platform engineering, and system design for enterprise‑grade, secure, and scalable...

Overview: The Backend Engineer on the AI Platform team plays a critical role in building and evolving backend systems that power internal products, customer-facing capabilities, AI-enabled workflows, and operational decision-making across the organization. This role is responsible for designing, building, testing, and operating reliable, scalable, and...

Movable Ink scales content personalization for marketers through data-activated content generation and AI decisioning. The world’s most innovative brands rely on Movable Ink to maximize revenue, simplify workflow and boost marketing agility. Headquartered in New York City with close to 600 employees, Movable Ink serves its global client base with...

The company is hiring a Senior Backend Engineer to join its Customer Focus Group (CFG) — a technical team that connects engineering with the commercial side of the product.CFG team members work across development, architecture, product, and customer-facing activities. The role involves understanding customer needs, translating them into product...

Job Location: Toronto, ON (5 days Onsite) Role Overview Client is looking for a skilled Python Backend Engineer to build and scale high-performance backend systems. This role will focus on API development, platform engineering, and system design, supporting enterprise-grade, scalable, and secure financial platforms. Key Responsibilities Design, develop, and...

About Feathery Feathery is the AI Operating & Decisioning system for financial services. Our customers — including Fortune 500s like Allstate — use Feathery to power mission-critical workflows such as customer onboarding, insurance underwriting and quoting, account openings, and advisor transitions. Why We’re Hiring As Feathery grows, so does the...

JOB SUMMARY This role is for a Software Developer IV with a focus on CAD and back-end development. The successful candidate will be responsible for building and enhancing REST APIs for backend services, integrating with internal and external APIs using JSON/XML, and implementing complex data mapping and transformation logic. This role also involves...

Architect and scale the backend infrastructure that powers EthosMR’s research, AI, and panel platforms, ensuring reliability, performance, and seamless integration across our digital ecosystem.Key ResponsibilitiesSystem Architecture & Development: Design and build scalable backend systems to support web applications, AI voice agents, and panel management...

About the TeamDoorDash is building the world's most reliable on-demand, logistics engine for delivery! We're looking for experienced engineers to join our fast-growing engineering team to help us develop a 24x7, global infrastructure system that powers DoorDash’s three-sided marketplace of consumers, merchants, and dashers.About the RoleWe're looking for...

About Bree Bree is a consumer finance platform that brings better, faster, and cheaper financial services to over half the Canadian population who live paycheck to paycheck. We operate in a huge, but overlooked market in a country with the least amount of financial technology innovation in the developed world. Our first act is to become the cheapest and best...

The Reference Data team, part of the broader Trade Data organization within the Brokerage Platform at Robinhood, serves as the source of truth for diverse asset classes—including equities, options, crypto, event contracts, and tokenized stocks Our core systems, Quiver and Arsenal, interface with external providers such as Bloomberg, Alpaca, Kalshi, and...

Nimbleis a healthtech company on a mission to simplify access, understanding and management of healthcare. We are starting by building the largest, most loved pharmacy business in the world. We are a fast-growing, technology-first startup driven by perfecting the patient and pharmacist experience. Nimble fosters a culture of collaboration, open communication...

Title: Python Backend Engineer Location: Toronto, ON (Hybrid) Job Type: Full-time/Contract Experience: Strong hands-on backend engineering experience Position Overview We are looking for a strong Python Backend Engineer with hands-on experience designing and building scalable backend systems, microservices, APIs, and distributed applications. This role is...

Senior Backend Engineer Location: Toronto, ON - Hybrid Contract Length: 6-12 Months We at Raise are hiring a Senior Backend Engineer for one of our top clients. After establishing themselves as an industry leader, they’re now expanding their team to meet rising demand. We’re hiring right now; if you’re interested, apply below for your chance to join a...

Senior Backend Engineer### Senior Backend EngineerApply: Remote Canada (ON): Full time: Posted 30+ Days Ago: R49905## ## Job Description:# **Senior Software Engineer (AI-First, Agentic AI)**# **Remote Canada****Compensation & Role Details**Expected Salary Range: $130,000 - $170,000 CAD, depending on experience and qualificationsRole Type: New RoleAI...

US Mobile is building the future of wireless communication. The goal: one unified network open to any person and any device, worldwide. Connection without walls. We’re getting there by empowering customers. All three major networks on one phone and one plan, plus home internet from Starlink. No lock-in. No commitments. Custom fit plans at every price...

Shape the future of healthcare as a Backend Engineering Lead at Nimble. Focus on building essential web services and APIs that enhance pharmacy accessibility for patients. Nimble is dedicated to transforming healthcare access through state-of-the-art technology. As a Senior Backend Engineer, you will design scalable systems and lead projects while mentoring...

Be part of DoorDash's mission as a Backend Engineer. Collaborate in a hybrid environment to build robust systems that drive our delivery marketplace. As a Backend Engineer at DoorDash, you'll focus on both product-driven and platform-based solutions. This role will see you enhancing our backend systems, transitioning to microservices, and working closely...

Elevate your career with Mozilla as a Senior Backend Engineer on the Ecosystem Services Team. Contribute to backend systems that power Firefox and prioritize privacy and security. In this role, you'll own backend services, ensuring their reliability and health in production. Collaborate closely with frontend engineers and product managers while leveraging...

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...