senior backend software engineer python jobs in Montreal

Elevate energy efficiency as a Senior Manufacturing Test Software Engineer at dcbel. Develop innovative testing solutions for products that empower sustainable energy use. dcbel is in search of a dedicated Manufacturing Test Software Engineer to enrich its testing strategy for cutting-edge home energy technologies. You will work closely with various...

Shape financial software at Baselane as a Senior Full Stack Engineer, owning reliable features across frontend, backend, APIs, and relational databases.This senior position supports Baselane’s banking and financial management platform for individual landlords and real estate investors. You will translate Product and Design requirements into technical...

Build internal applications at Cohere using TypeScript, React, Python, and Next.js in a remote-friendly engineering environment. Create tools supporting frontier AI model development.As a Senior Full-Stack Software Engineer, you will craft browser and server experiences for user-facing products. You will collaborate with annotators, ML researchers, product...

As a Senior Software Engineer on the Core Product team, you'll build the products small business owners rely on every single day: Scheduling, HR Management (HRM), and Payroll. This is where a shift becomes a timecard, becomes a paycheck, and where getting it right really matters You ship fast, own what you ship, and make the people around you better. You'll...

Elevate your software engineering career with Spotify as a remote Senior Software Engineer based in Toronto. Focus on backend services design and scalable infrastructure to support global growth. Spotify is seeking an experienced Senior Software Engineer to join their motivated Platform team remotely. This role emphasizes designing, building, and deploying...

About GitHub GitHub is the world’s leading platform for agentic software development — powered by Copilot to build, scale, and deliver secure software. Over 180 million developers, including more than 90% of the Fortune 100 companies, use GitHub to collaborate, and more than 77,000 organisations have adopted GitHub Copilot. Locations In this role you can...

Lead software testing for enterprise products with automated web UI and server API coverage across complex operations scheduling solutions. The work supports reliable releases.This Senior Software Test Automation Engineer coordinates QA and development testing throughout the software development lifecycle. You will evaluate QA practices, review requirements...

Senior Software Engineer, Builder Studio Remote, Canada; Remote, United States Apollo.io is the leading go-to-market solution for revenue teams, trusted by over 500,000 companies and millions of users globally, from rapidly growing startups to some of the world's largest enterprises. Founded in 2015, the company is one of the fastest growing companies in...

About the TeamThe Cloud Infrastructure Engineering team builds and manages the foundational blocks of ClickHouse Cloud data plane end-to-end. This includes compute, networking, security, and a multi-cloud, multi-region architecture that provides a reliable and scalable managed ClickHouse experience for ClickHouse Cloud customers. Our team is looking for...

Lead aerospace compliance expertise in Toronto or Montreal as a Senior Engineer reviewing airborne software and electronic hardware designs on-site.This Senior Engineer position supports client technical and regulatory requirements across airborne software and electronic hardware. You will assess supplier designs, certification plans, test results, and...

Elevate your career as a Senior Software Engineer II with Wrapbook. This remote position focuses on building innovative internal applications and systems that empower finance teams in the production industry. In this role, you'll leverage your 5+ years of software engineering experience to design and maintain systems across marketing, sales, and client...

As part of the development team, you will play a key role in the evolution of the VOSKER and SPYPOINT web application, used daily by our customers. In addition to contributing directly to the code across the entire technology stack, you will act as a technical reference for the team: you will support less experienced developers, influence architectural...

Ready to do the most impactful work of your career? At Coinbase, we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people...

Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we...

Build scalable Python applications and AI-driven solutions remotely from Canada, focusing on Generative AI, LLMs, and enterprise engineering. This experienced Python and AI Engineer role requires 8+ years of software engineering experience. You will develop enterprise applications, backend services, and reusable AI APIs. The work spans LLM orchestration,...

Build enterprise AI platforms with Python and LangGraph at Miratech, supporting a US healthcare client through remote work from anywhere. As a Senior AI Engineer, you will develop agentic AI solutions using Python, LangGraph, and LangChain. You will create intelligent workflows, conversational applications, and automation across business functions. The work...

RustLab Software Engineering Featured Jobs Special Referral Senior Software Engineer Remote — United States or Canada About the role Senior software engineering: review and score AI-written code. Experienced engineers help frontier AI research teams evaluate AI-written code. This is remote AI‑evaluation work, suited to people who can bring...

About Motion 💡 Motion is building the command center for creative strategists: an AI-native platform that bridges the gap between performance marketers and creative teams, so they can uncover what’s working, what’s not, and ship more winning ads across platforms like YouTube, LinkedIn, Meta, and TikTok. ⁠ We're at the forefront of AI as the...

Description & Requirements Electronic Arts creates next-level entertainment experiences that inspire players and fans around the world. Here, everyone is part of the story. Part of a community that connects across the globe. A place where creativity thrives, new perspectives are invited, and ideas matter. A team where everyone makes play happen. « Pour...

Job Description:Years of Experience: 7-15Our Company’s sizeable investment in technology results in cutting-edge modelling and simulation software, comprehensive risk and security systems, and robust client-relationship capabilities, plus the worldwide infrastructure that forms the backbone of these systems and tools.The Firm-wide Model Control System is...