python backend engineer jobs in Toronto

A fast-growing SaaS company in Toronto is seeking a Backend Software Engineer to enhance software integrations and user experience. This hybrid role requires collaboration with diverse teams to develop innovative solutions. Candidates should have over 5 years of experience, strong API design skills, and the ability to communicate technical ideas effectively....

Contribute to the future of legal technology as a Backend Software Engineer at Harvey in Toronto. Engage in a hybrid work model while creating innovative user-facing features and robust backend infrastructure. Our rapidly growing team is seeking engineers passionate about developing AI-powered solutions for leading law firms. In this role, you'll design...

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...

Affim is seeking a software engineer to help design, build, and scale backend systems using Python or Kotlin. You will work with AWS, Kafka, Flink, and Kubernetes within a distributed architecture, delivering robust features in a remote-first environment across Canada. You will join the Streaming team, break down work into phases, collaborate with product...

Kaseya is hiring a Senior Backend Engineer (SaaS, Data & AI) in the Toronto area. You will lead backend design, APIs, and data/ML integration for multi-tenant SaaS platforms, partnering with Product, Design, and Data teams to drive scalable, high-impact features. The role emphasizes hands-on development, system reliability, and mentoring engineers while...

Faire is seeking a technical leader for its Ads Supply pod to own the architecture and delivery of next-generation ad formats, including video and brand creative across surfaces. You will build automated systems for serving, optimization, and experiments, shaping a unified framework with cross-functional teams to drive growth and efficiency. You will...

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...

A tech startup in Toronto is seeking a Senior Software Engineer to design and maintain backend systems. This hybrid role emphasizes backend reliability and supports entrepreneurship through cutting-edge technology. The ideal candidate has expertise in Node.js, TypeScript, and relational databases, with the chance to collaborate on impactful projects that...

**The Role** We're looking for a Staff Backend Engineer to join our Customer Value Optimization (CVO) tribe at HelloFresh. This is a high-impact individual contributor role sitting at the intersection of Data Science and Backend Engineering. You'll be the technical bridge that turns ML models into reliable, scalable production systems. You'll work across...

Working with one of our top financial clients, this role calls for a Node JS / NestJS Engineer (Backend). This position involves developing backend capabilities and APIs for a key technician portal, utilizing Azure-based NestJS architecture and integrating with Java/.NET environments. The successful candidate will play a critical role in enabling parts...

Thomson Reuters is looking for a Senior Backend Engineer with AI expertise to develop robust backend services. Contribute to real-world AI systems in a hybrid work setting. In this pivotal position, you’ll design and optimize backend architectures for AI-powered products tailored for the tax and accounting sector. Engage with complex systems, ensuring...

Shape the future of automation at Intellistack as a Software Engineer, utilizing your backend expertise to design impactful digital solutions in a hybrid setting. This role focuses on creating identity and authentication services, deploying cutting-edge technology while collaborating with multiple teams. You will be instrumental in developing scalable...

Fitch Ratings, part of Fitch Group, is seeking a Senior Software Engineer to join our Toronto-based Ratings Technology team. You will build and maintain full-stack applications with Python and React, leveraging FastAPI/Flask on the backend and modern frontend practices. Expect to work with PostgreSQL, Oracle, and MongoDB, while deploying through CI/CD...

At the company, we know that our customers expect the best from us. Whether that means building the best, most innovative online shopping experience, or designing an app that will impact the lives of people across the country, we’re up for the challenge. From our office in Downtown Toronto, we’ve created leading eCommerce experiences in the online...

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. The most...

Relay is a digital banking platform that gives self-made business owners the tools and know-how to be great with money—bringing clarity, confidence, and control to every dollar earned, so they can turn hard work into lasting success. We do this by replacing financial guesswork with real visibility, transforming cash flow from a constant source of stress...

Explore the role of Staff Software Engineer with a focus on backend architecture and document analysis in a hybrid workplace. Bring your skills to a company committed to transparency and justice. This role targets seasoned developers with a strong backend emphasis to advance our document analysis platform. You'll focus on designing scalable services,...

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...

Python AI evaluation engineering for Turing supports preference data, rubric design, and quality-focused model development. This fully remote contract emphasizes clear technical judgment. Turing seeks an engineer experienced with Python pipelines or TypeScript codebases. You will shape evaluation criteria, review preference data, and turn technical...

Work Location: London, Ontario, Canada Hours: 37.5 Line of Business: Technology Solutions Pay Details: $81,600 - $115,200 CAD This role is eligible for a discretionary variable compensation award that considers business and individual performance. TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth...