senior backend software engineer python jobs in Montreal

Develop MaintainX integration foundations remotely in Canada, using backend services, relational databases, and CI/CD to support enterprise connectivity.As a Senior Software Developer, you will build reusable foundations for connectors, marketplaces, and automation-driven onboarding. The work includes API platforms, SDKs, enterprise integrations, and shared...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Engineer, Backend – Protection based in Canada. Join an innovative global payments technology company building infrastructure that helps businesses simplify payment operations, optimize performance, and protect revenue....

Build backend foundations for MaintainX’s internal developer platform using Node.js, TypeScript, GraphQL, and distributed systems expertise. Work alongside platform and product teams.As a senior backend engineer, you will develop an internal platform serving more than 150 developers. The work focuses on reducing manual steps, enabling golden paths, and...

Build scalable Java backend services remotely for Just Eat Takeaway.com from Alberta, Manitoba, or Ontario. Apply strong system design expertise. As a Senior Java Developer, you will support the Logistics Areas and Fees team. You will architect, develop, and operate distributed systems for delivery calculations. The work includes Java 21, REST APIs, message...

Drive impactful backend solutions as a Senior Backend Engineer with Affim in Canada. Utilize your expertise in Python or Kotlin to innovate and enhance consumer experiences. At Affim, we are constructing an advanced advertising platform and a top-tier shopping destination. As a Senior Backend Engineer, you'll set the technical strategy for your team while...

Position Senior Software Engineer at Dye & Durham Corporation Department Software Development Location Montreal, Quebec, Canada Description We are seeking a collaborative and motivated Software Developer who is eager to learn, improve, and contribute to building high-quality software solutions that power the industry. In this role, you will participate in...

The Engineering team builds systems that power affirm's mission. We take pride in our craft, building reliable, performant, and scalable solutions that touch every part of the business. Whether we're enabling new ways to pay, ensuring our platforms can scale to the most demanding levels in the industry, or developing seamless servicing experiences, our focus...

We are looking for a Staff Engineer to lead projects and initiatives on the Fraud Decisioning teamYou’ll be responsible for building tools and systems that empower affirm fraud fighting capabilities, work with cross-functional teams to adopt and monitor those and use analytics and data driven decisions to further improve the performance and quality of...

The Batch Developer Experience team makes batch development and testing faster and more reliable at affirmAs a developer on this team you will partner with product and infrastructure engineers to build the tools and systems that streamline workflows, strengthen testing and ultimately improve the reliability of affirm's critical batch workloadsWith the...

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 affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...

Staff Software Engineer, Backend (Identity Decisioning) 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. Affirm’s Identity team is mission‑critical to the customer checkout experience. When a customer chooses...

Who are we? At Leadership Connect, we believe that relationships are everything in business and in life. Founded by two former CEOs of S&P 500 companies and a former presidential press secretary, our premier information service is built for developing relationships that impact decisions in government, business, and media. Utilizing deep research expertise...

Affirm, Inc. is seeking a software engineer to help build backend systems at scale in a remote-capable role across Canada. You will work with JavaScript/TypeScript and Python or Kotlin, delivering clear, tested, and extensible code within a multi-component environment.The role emphasizes ownership, collaboration with a global engineering team, and ongoing...

Actalent recherche un Développeur logiciel biomédical à Montréal pour concevoir et fabriquer des dispositifs médicaux avancés, incluant des cathéters pour procédures interventionnelles. Vous participerez à des projets qui repoussent les limites de la technologie médicale et auront un impact sur les soins aux patients.Le poste est hybride, avec...

Staff Software Engineer, Backend (Identity Decisioning) Remote Canada At Affirma, 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. Affirm’s Identity team is mission-critical to the customer checkout experience. When a customer chooses...

Grafana Cloud is a composable observability platform that integrates metrics, logs, traces, and profiles with Grafana, allowing customers to use open-source observability software without installing, maintaining, and scaling their own observability stack The Databases team owns Mimir for metrics, Loki for logs, Tempo for traces, and Pyroscope for profiles....

At the company, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Interns work side-by-side with top engineers in the industry while having autonomy from the get-go. They contribute to user-facing products and are able to see their work go live...

Build search and backend systems at Affirm remotely across Canada, using JavaScript, TypeScript, Python, or Kotlin. Help shape shopping discovery. As a Software Engineer I, you will contribute to projects supporting Affirm’s Ads business and Marketplace search experience. You will design, develop, and launch backend systems at scale while writing clear,...

A prominent FinTech firm in Montreal is seeking a Senior Software Engineer with strong Python skills. The role involves building scalable software, engaging in code implementation, and working on large-scale projects. Ideal candidates should possess experience in mission-critical environments and a desire to learn Rust. This full-time position offers a...

Elevate your coding skills as a Senior Software Engineer focusing on Python and Java at Elsevier in Montreal. Collaborate with a dedicated team to ensure high-quality software delivery. In this full-time role, you will be pivotal in advancing Elsevier’s Research Data Platform. Your core responsibilities include developing code for new projects, debugging...