senior backend engineer python aws jobs in Toronto

About ShyftLabs At ShyftLabs, we live and breathe data. Since 2020, we’ve been helping Fortune 500 companies unlock growth with cutting-edge digital solutions that transform industries and create measurable business impact. We’re scaling globally with entities in Canada, the U.S., and India and we’re looking for passionate problem-solvers who are ready...

At BuildOps, we’re building software purpose-built for commercial contractors. From service to projects, we help our customers run the workflows that keep buildings, businesses, and critical infrastructure operating. We’re looking for a Senior Software Engineer to help build and scale the product experiences and systems behind that mission. In this role,...

Affim is building the financial brain behind our card products. We’re seeking a senior backend engineer to lead design and development of high‑throughput, highly available services, from APIs to data models in a distributed architecture.You’ll collaborate with product, data science, and engineering teams, mentor junior engineers, and drive robust,...

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...

Lead innovative distributed systems as a Software Development Manager at Amazon Web Services (AWS), focused on building Journal Control Plane services. This role supports the design and development of scalable database technologies. AWS offers a unique opportunity for an experienced Software Development Manager to guide a team in tackling complex technical...

About Faire Faire is a technology wholesale platform built on the belief that the future is local. Independent retailers around the globe collectively represent a multi‑hundred‑billion‑dollar wholesale market that has historically been fragmented and offline. At Faire, we use technology, data, and machine learning to connect this thriving community of...

Senior Software Engineer, Backend (Lakehouse Infra) Remote Canada At Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Data and Storage Services team is responsible for Affim's data infrastructure across OLTP and OLAP systems,...

Toronto, ON - Hybrid (2-3 Days WFO)6-12 monthsWe are looking for a Senior QA Automation Engineer to build and execute automated test frameworks using Python and Playwright in the trading applications domain Contract QA role focused on hands-on test framework development, test case design, and component-level validation for trading systems.Must Haves10+ years...

The Streaming team at Affirm is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validationWe leverage existing open source technologies like Kafka, Flink, Schema registry and also build our own as neededAs a member of our team you would spend time identifying and...

Downtown Toronto, Canada | Posted on 10/01/2026 We are seeking an experienced AWS Cloud Architect to lead the design and execution of cloud migration initiatives for critical banking systems and infrastructure. The role will focus on architecting secure, resilient, scalable, and audit-ready AWS environments while managing the unique technical, security, and...

Senior Consultant - Python Developer (Data Solutions & Analytics) Location: Toronto Other locations: Primary Location Only Date: Sep 8, 2026 Requisition ID: 1742084 At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to...

Hybrid remote (2-3x a month in the Toronto office) Sage Recruiting is partnering with a fast-growing SaaS startup that’s bringing modern engineering to one of the most outdated industries around. Their work directly affects electrical grid reliability and how major utilities operate. If you’ve ever looked at repeated outages and thought technology should...

Software Development Engineer, Neuron Explorer Annapurna Labs designs silicon and software that accelerates innovation. Customers choose us to create cloud solutions that solve challenges that were unimaginable a short time ago—even yesterday. Our custom chips, accelerators, and software stacks enable us to take on technical challenges that have never...

Mongoose Gray in Toronto is seeking a Senior C# .NET Developer to design and scale AI-enabled backend services within a fast-paced SaaS scaleup. You will own the full lifecycle of AI features, from retrieval-augmented generation to agentic workflows, leveraging Claude Code and AWS to ship robust systems.You will collaborate with Product, Data and Platform...

We are looking for an experienced Playwright Automation Engineer to design, build, and maintain robust automated testing frameworks using Selenium and Playwright. The ideal candidate will have deep hands‑on expertise in both tools and a strong background in test strategy, CI/CD integration, and quality engineering best practices. In this role, you will ...

Overview The Backend Engineer on the AI Platform team plays a critical role in building and evolving the 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...

Overview We're looking for professionals with hands-on, real-world experience in specialized applications. Application Expertise and Access You must already have PyCharm installed/available on your own Mac running macOS , and be able to open it today. We do not provide software licenses, virtual machines, or hardware. Developer Tools & Virtualization...

ROLE: SENIOR SOFTWARE ENGINEER TEAM: PRODUCT LOCATION: TORONTO (HYBRID) COMPANY OVERVIEW Salt is a North American marketing agency that creates connected experiences through creative, digital & media innovation. Our mission is to "Earn The World's Attention" and Salt is built to find, develop, execute, and amplify the ideas that are worthy of our clients'...

TD is seeking an entry-level Cloud Network Engineer in Toronto to design, deploy, and support cloud networking across Azure, AWS and GCP. The role emphasizes automation using Terraform, Python, and Ansible and requires collaboration with cross-functional teams to deliver secure, scalable cloud networking solutions.The role focuses on building reusable IaC...

Mecka AI is hiring a Senior Cloud Infrastructure Engineer to design, scale, and harden its AWS environment, focusing on networking and storage for global data ingestion and delivery. You will join the Platform Engineering & Infrastructure team as a senior IC, leading key projects and collaborating with ML, CV, and data teams. The role requires 6+ years in...