python backend engineer jobs in Montreal

Senior Software Engineer (AI-First, Agentic AI) Remote Canada Compensation & Role Details Expected Salary Range: $150,000 - $170,000 CAD, depending on experience and qualifications Role Type: New Role AI Disclosure: AI is used to screen, assess, or select applicants for this role Overview We’re a software company at the start of building a brand-new,...

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and...

Atlassians can choose where they work – whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity.To help our teams work together effectively, this role is fully remote, but requires...

Join to apply for the Software Engineer, Backend role at ClipboardGet AI-powered advice on this job and more exclusive features.We exist to lift as many people up the socioeconomic ladder as possible. We dramatically improve lives by letting professionals turn extra time and ambition into career growth and financial opportunity. We achieve this with our...

## Senior Backend EngineerApply: Canada - Ontario: Canada - Remote: Full time: Posted 7 Days Ago: R66447**Job Summary:****Job Description:**BiblioCommons is a Toronto-based software company that builds SaaS solutions for public libraries. Our team is passionate about making public libraries accessible, delightful and engaging, while having fun at...

A tech company focused on creating safe platforms for Gen Alpha is looking for a Backend Engineer / SRE to maintain and scale backend systems. You'll work with AI and ML pipelines, handle database performance, and ensure high reliability. Ideal candidates have AWS experience and are proactive in optimizing infrastructure. This role offers a chance to build a...

A leading software firm is seeking a highly experienced Lead Software Developer in Montreal, Quebec. In this role, you will work on cutting-edge SaaS technologies and lead impactful projects. The position requires deep expertise in programming languages such as Python and Java, alongside a commitment to high-quality software solutions. A strong leadership...

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a...

About Turing Turing is one of the world’s leading AGI infrastructure companies, working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent. About the Role We’re looking for experienced, hands-on software engineers to help evaluate and improve AI coding models. Rather than...

Build production-grade Python automation at Telesat in Canada, working with Pytest, APIs, asynchronous messaging, and Kubernetes environments. This senior hands-on software development role designs frameworks and engineering tools for distributed, event-driven microservices. You will improve testability, shorten feedback cycles, diagnose failures, and create...

Build Python AI services with FastAPI and async APIs at Newfold Digital, working remotely with daily overlap from 09:00 to 13:00 EST. Design scalable systems using modern LLM and retrieval technologies.As a Senior Software Engineer, you will build production APIs and agent-powered platform capabilities. Your work includes Semantic Kernel, provider-agnostic...

Python and LLM engineering define this remote Senior AI/LLM Engineer position with Kake, building production-ready applications and systems at scale.Kake seeks senior engineers who design, build, and productionize AI systems. You will work across Python, FastAPI, LAG pipelines, embeddings, vector search, and LLM APIs. The work spans prototyping through...

Earn Up To $50/hr as an OpenClaw Agent BuilderShape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments.Trusted by 10,000+ software engineers worldwideMIN EXP REQUIRED2+ yearsPAY RATEUp to $50 USD/hrEarn Up To $50 USD/hr— Plus Additional IncentivesRates vary based on expertise and project requirements. Paid...

Build scalable AI platforms through Python, concurrent programming, and performance optimization within Highspring's global delivery environment.This Senior Python Developer supports enterprise AI solutions and reusable frameworks. The work combines backend services, internal libraries, and AI-related tooling. You will contribute to architecture decisions,...

Build Python and Django services at Vantage, using advanced SQL and external APIs across a remote-first team based in Toronto.As a Senior Engineer, you will build backend features, integrations, and production APIs. You will support product teams through architecture, code quality, database performance, and delivery guidance. The work includes MySQL or...

Join Baseten as a Python Engineer and develop transformative AI solutions for dynamic companies. Leverage your technical skills to deliver high-scale AI applications that enhance customer experiences. In this role, you will work closely with clients, driving projects from initial exploration to deployment on the Baseten platform. Your background in...

About Turing:Turing is one of the world's leading AGI infrastructure companies, working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent.About the Role:We're looking for a high-taste engineer with a strong eye for quality — someone who's worked hands-on with preference data and...

Python and PySpark expertise define this Ottawa-based contract for a Data Engineer supporting an existing customer remotely. Convert code and optimize nightly ETL pipelines.LeverageTek seeks a Data Engineer for a five-month contract with an Ottawa-based customer. The work requires intermediate to senior hands-on experience with Apache Spark, PySpark, and...

OverviewWe're hiring a backend developer to join a dynamic and forward-thinking team focused on rebuilding and scaling a large-scale login and registration platform. If you're looking to work on meaningful systems that impact millions of users-and want to do it using a modern stack-you'll want to explore this role.High-impact system rebuild. Modern tech...

Shape reliable capacity plans with Python or Kotlin as a Senior Backend Engineer on Affirm’s remote Canada Capacity Modeling team. Forecast traffic and tune resources for peak demand. This senior position owns quarterly goals while guiding engineers through ambiguous, open-ended problems. You will build backend systems at scale using AWS, MySQL, or...