573,755+ Lead Fullstack Engineer Python Fastapi Jobs in Canada — Top Companies Hiring June 2026

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Lead Offensive Security Engineer at TCS

Take the lead in offensive security at Tata Consultancy Services as an Offensive Security Engineer. Specialize in analyzing AI-generated fixes and discovering real vulnerabilities.At TCS, you will spearhead the offensive security analysis necessary for the company's AI vulnerability program. Your role involv ...

Lead Development Engineer Search at MongoDB

Oversee the MongoDB Search Query platform as Lead Development Engineer in Toronto with a hybrid work arrangement. Ensure the success of your team in delivering high-availability search solutions.As part of MongoDB's Search team, you will lead and cultivate talent while resolving platform challenges inherent ...

Lead Software Engineer for Data Products

Join the TRM Labs team as a Lead Software Engineer focusing on Data Products, in a fully remote setting. This role emphasizes building scalable features for blockchain insights and data processing.As a key architect within the Data Product team, you will design mission-critical services that provide insights ...

Lead Software Engineer at Consulting Firm

Elevate your career as a Lead Software Engineer in a consulting firm based in Toronto. Focus on driving software solutions and integrating complex systems in a full-time capacity.This role requires detailed coordination of system development and functionality definition while optimizing architecture through ...

Lead Engineer, Total Fund Management Technology

Role Summary As a Lead Software Engineer, you will play a critical technical leadership role within the Total Fund Management (TFM) Portfolio Management Engineering team, designing, building, and evolving enterprise-grade technology solutions that support top‑of‑house portfolio management and fund ...

Machine Learning Senior Engineer Remote Role

Join SurveyMonkey as a Machine Learning Senior Engineer II, focusing on secure ML infrastructures and high-performance pipelines in a remote setting. Utilize your deep expertise in Python and AWS for impactful projects.As a key member of the Machine Learning Platform team, you will design and implement effic ...

Senior Data Engineer Derivatives Trading Analytics

Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanc ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Process Systems Engineering, Automation & Data Integration Co op

Grow your career. Be the difference. Leading the commercialization of ground‑breaking technology that captures CO₂ directly from air is challenging and exhilarating. As a member of the CE team, you’ll be surrounded by smart, adventurous, curious people committed to progressing our Direct Air Capture (DAC) ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Process Systems Engineering, Automation & Data Integration Co op

Grow your career. Be the difference. Leading the commercialization of ground‑breaking technology that captures CO₂ directly from air is challenging and exhilarating. As a member of the CE team, you’ll be surrounded by smart, adventurous, curious people committed to progressing our Direct Air Capture (DAC) ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Senior Back End Software Engineer

Join to apply for theSenior Back End Software Engineerrole atEpistemix .Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter ...

Senior Back End Software Engineer

Join to apply for the Senior Back End Software Engineer role at Epistemix . Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. ...

Tech Lead

General Information Job Title: Tech LeadLocation: Toronto, ON (Onsite/ Hybrid)Job Type: Full-Time Reporting Line: Director of Technical Services Salary Range: $125k-$155k CAD per year (negotiable) About Fulfillment IQ (FIQ) Fulfi ...

Tech Lead

General Information Job Title: Tech LeadLocation: Toronto, ON (Onsite/ Hybrid)Job Type: Full-Time Reporting Line: Director of Technical Services Salary Range: $125k-$155k CAD per year (negotiable) About Fulfillment IQ (FIQ) Fulfi ...

Data Conversion Engineer at SpryPoint

Transform utility data as a Data Conversion Engineer at SpryPoint. Contribute to data migration processes using Python and SQL in a remote-first setting with a flexible schedule.In this role, you will support the Technical Services department by leading ETL processes across multiple projects. This position i ...

Data Migration Engineer at SpryPoint

Become a Data Migration Engineer with SpryPoint, supporting utility billing data transformation in a remote-first environment. Hone your skills in ETL processes while collaborating with the Data Conversion team.In this role, you will be part of SpryPoint's Technical Services department, facilitating critical ...

Apps Dev Tech Lead Analyst

For additional information, please review .* Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements* Resolve variety of high impact problems/projects through i ...

Sr AI Engineer

Job Description Insight Global is leveraging Generative AI and Machine Learning to automate workflows and deliver high‑impact outcomes for Capital Markets front‑office and business teams. Use cases are driven by business stakeholders and may span decision support, workflow automation, document in ...

AI Engineer

JD 8-10 years of relevant experience in Apps Development or systems analysis role Core AI/ML Foundations: Strong foundational knowledge in GenAI, Machine Learning (ML modeling), Data Science, Statistics, and AI fundamentals, including Natural Language Processing ( ...

Sr AI Engineer

Job DescriptionInsight Global is leveraging Generative AI and Machine Learning to automate workflows and deliver high‑impact outcomes for Capital Markets front‑office and business teams. Use cases are driven by business stakeholders and may span decision support, workflow automation, document intelligence, d ...

Sr AI Engineer

Job Description Insight Global is leveraging Generative AI and Machine Learning to automate workflows and deliver high‑impact outcomes for Capital Markets front‑office and business teams. Use cases are driven by business stakeholders and may span decision support, workflow automation, document intelligence, data ...

Apps Dev Tech Lead Analyst

For additional information, please review .* Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements* Resolve variety of high impact problems/projects through i ...

Apps Dev Tech Lead Analyst

For additional information, please review .* Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements* Resolve variety of high impact problems/projects through i ...

Senior Java Full Stack Engineer: React, SpringBoot, Cloud

A technology services company based in Toronto is seeking an experienced Java Fullstack Developer. The ideal candidate will have extensive experience in both front-end and back-end technologies, especially in React and Node.js. Strong problem-solving skills and the ability to work effectively in a team environme ...

Full Stack Developer: Vue/.NET & AI Driven Apps

A leading technology firm is seeking an intermediate full-stack developer to build scalable web applications and contribute to cross-functional team efforts in Montreal, Canada. Candidates should have 3–5 years of experience in fullstack development, with strong skills in Vue.js, .NET, and MSSQL. This role offer ...

Full Stack Developer: Vue/.NET & AI Driven Apps

A leading technology firm is seeking an intermediate full-stack developer to build scalable web applications and contribute to cross-functional team efforts in Montreal, Canada. Candidates should have 3–5 years of experience in fullstack development, with strong skills in Vue.js, .NET, and MSSQL. This role offer ...

Senior Java Full Stack Engineer: React, SpringBoot, Cloud

A technology services company based in Toronto is seeking an experienced Java Fullstack Developer. The ideal candidate will have extensive experience in both front-end and back-end technologies, especially in React and Node.js. Strong problem-solving skills and the ability to work effectively in a team environme ...

Staff Engineer Patient Platform

Staff Engineer - User Experience (Backend) We're looking for a Staff Engineer - User Experience (Backend) to join our Patient Platform team and shape the systems that power patient-facing experiences across our health technology platform. This team owns the APIs, orchestration services, a ...

Remote Full Stack Developer: Node.js & React

A leading tech firm in Canada is looking for Intermediate Fullstack Developers with expertise in Node.js and React. You will design and support customer-facing web applications in an agile environment while maintaining high code quality. Candidates should have at least 3 years of experience in UI development, ba ...

Lead Architect for Generative AI Solutions

Shape AI innovation as a Lead Architect for Generative AI Solutions at Citi, focusing on next-generation AI technologies that drive business success.In this Principal AI Engineer role, you will leverage your expertise in generative AI and Large Language Models (LLMs) to architect solutions that enhance produ ...

Senior Packaging Automation Engineer Role

Elevate your engineering career at AMD as a Lead Packaging Automation Engineer. Drive next-gen automation solutions in a dynamic, hybrid environment.As a Lead Packaging Automation Engineer at AMD, you'll be at the forefront of developing and deploying cutting-edge packaging design automation solutions. This ...

Senior Engineer for Data Infrastructure at Marqeta

Take your expertise to Marqeta as a Senior Software Engineer on the Data Infrastructure team. Enjoy flexible remote work from Ontario or British Columbia while delivering innovative software solutions.Marqeta is looking for a talented Senior Software Engineer to lead projects that enhance our data infrastruc ...

Senior Engineer for Data Infrastructure at Marqeta

Take your expertise to Marqeta as a Senior Software Engineer on the Data Infrastructure team. Enjoy flexible remote work from Ontario or British Columbia while delivering innovative software solutions.Marqeta is looking for a talented Senior Software Engineer to lead projects that enhance our data infrastruc ...

Senior Engineer for Data Infrastructure at Marqeta

Take your expertise to Marqeta as a Senior Software Engineer on the Data Infrastructure team. Enjoy flexible remote work from Ontario or British Columbia while delivering innovative software solutions.Marqeta is looking for a talented Senior Software Engineer to lead projects that enhance our data infrastruc ...

Senior Engineer for Inertial Measurement Systems

Shape the future of navigation technology as a Senior Engineer for Inertial Measurement Systems in Richmond Hill. Lead the development of MEMS devices that enhance machine control and positioning accuracy.We are seeking a skilled engineer to lead the design and commercialization of MEMS inertial measurement ...

Unreal Engine 5 Presentation Software Lead

Join 2K Sports Lab as a Lead Presentation Software Engineer in Vancouver, BC, and redefine how a AAA sports title looks and feels. Your leadership will guide the development of immersive presentation systems.We are looking for a skilled Lead Presentation Software Engineer with a robust background in game dev ...

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