Jobs for senior python engineer at Toronto

Job Title Python Backend & System Design Location Toronto, Canada Job Type Contract Job Overview We are seeking a Senior Platform Engineer with 4–6 years of experience in Python backend development, API design, and system architecture. The ideal candidate will have a strong foundation in software engineering principles and hands‑on experience building...

About the role Faire is seeking a technical leader to help shape product features for small and medium businesses by designing advanced data capabilities. You will partner with product analysts, data scientists, and software engineers to build infrastructure that drives company growth and user satisfaction. Key facts Location: Toronto, ON Engagement:...

Aversan Inc. ( is a trusted multi-service engineering and electronics manufacturing company. Aversan delivers leading-edge and reliable safety-critical electronics and software systems to the aerospace, defence, and space industries. We are currently seeking a qualified Senior Electrical Engineer to join our team. The Senior Hardware Design Engineer will...

Design and develop AI/LLM-powered applications and agentic workflows. Build RAG and GraphRAG solutions using knowledge graphs, vector search, and embeddings. Develop multi-stage AI agent workflows with reliable state management and traceability. Build MCP tool servers and A2A interfaces. Implement prompt engineering, structured outputs, and...

Requisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. You will be a member of the AI Engineering and Labs team focused on designing and implementing innovative, intelligent software solutions across the Bank’s business lines. Your role will be an integral part of the organization’s AI...

Join Our Cloud Engineering Team Are you passionate about building scalable, secure, and modern cloud solutions? We're looking for a Senior Cloud Engineer who can combine deep technical expertise with business insight to help drive our cloud transformation journey. In this role, you'll design, build, automate, and optimize cloud platforms while partnering...

Iris's Fortune 100 direct client is looking for Senior SDET Engineer Employment Type: Long term Contract Hybrid : 4 days office , 1 day work from home Location: Toronto, ON Client : Banking Key Responsibilities 10+ years of overall IT experience. Strong experience working as an SDET (Software Development Engineer in Test). Extensive hands-on...

Questrade Financial Group (QFG), through its companies - Questrade, Questbank, Questrade Wealth Management, Community Trust Company, Zolo, and Flexiti, provides securities and foreign currency investment, professionally managed investment portfolios, mortgages, real estate services, financial services and more. We use cutting-edge technology to help...

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex...

Compensation: $150,000–$197,000 base salary, plus annual bonus and stock options About the Role We are seeking a Senior Software Engineer to build and scale customer-facing product experiences and the systems that support them. You will work across frontend applications, backend services, APIs, and integrations that power high-impact operational...

Make a meaningful difference and leave a positive impact on the environment? Work in a close-knit group of like-minded, motivated professionals where relationships matter Continue the development of your critical thinking skills? Solve some of the most complex problems faced by the mining industry? Work on a mix of local and global projects?...

We’re working with a group of well-funded, fast-scaling hardware and AI companies building next-generation compute platforms - from AI accelerators to advanced silicon and compiler stacks in the heart of Toronto. We’re looking for Senior to Staff-level Compiler Engineers to join teams tackling problems at the intersection of software, hardware, and...

About The Team Our Platform Engineering team builds and operates the core backend systems that power CoCounsel's AI agent platform — the infrastructure that lets legal AI agents run reliably at scale. We own the services that sit between product-facing chat/agent experiences and the AI runtime layer, the CI/CD and deployment infrastructure that ships...

Apertera is leading the evolution of language solutions for high-stakes content. We partner with enterprises as an extension of their teams, combining professional expertise with Adaptive AI technology that is continuously refined by client context. For more than twenty years, Apertera has set the bar for legal, financial, and regulatory translation,...

Senior Structural Engineer We’re seeking a Senior Structural Engineer who brings deep technical expertise, strong project leadership, and a collaborative mindset to complex building projects. In this role you’ll lead the design and delivery of structural solutions from concept through construction, while managing projects, mentoring team members, and...

Cyclic Materials™ is building a resilient circular supply chain for rare earth elements and other critical materials. Through our proprietary MagCycle℠ and REEPure℠ processes, we recover rare earths from end-of-life products and transform them into high purity materials used in the production of permanent magnets. These materials are critical to the...

What is the opportunity? Global Functions Technology (GFT) is part of RBC’s Technology and Operations division. GFT’s impact is far-reaching as we collaborate with partners from across the company to deliver innovative and transformative IT solutions. Our clients represent Risk, Finance, HR, CAO, Audit, Legal, Compliance, Financial Crime, Capital...

Your Opportunity Stantec is seeking a Senior Municipal Engineer to join our Water team. The role will be based in either our Toronto, London, or Stoney Creek office locations (hybrid). This role allows you to demonstrate your experience with challenging storm and sanitary conveyance projects for clients within the GTA and Southwestern Ontario. You will be...

Responsibilities Design, implement, and maintain automated tests for mobile development (Android & iOS) Contribute to the development and optimization of cross-platform automation frameworks. Write and maintain test scripts in JavaScript/TypeScript, using frameworks such as Puppeteer, Appium, WebDriverIO, Selenium. Ensure test cases are integrated into...

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team...