154,339+ Lead Fullstack Engineer Python Fastapi Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Lead Machine Learning Engineer at Quincus

Harness your expertise as a Lead Machine Learning Engineer at Quincus to transform logistics through AI innovation. Focus on developing and deploying scalable deep learning models.Quincus is revolutionizing the supply chain with advanced technology solutions. We are looking for a dynamic Machine Learning Eng ...

Lead Engineer for Linxon's Energy Projects

Experience a rewarding engineering career at Linxon as a Lead Engineer for Energy and Infrastructure Projects, located in Toronto, ON, with hybrid work flexibility. Focus on safety and cost-effective solutions.In this pivotal role, you will lead the engineering direction for a variety of projects, including ...

Lead Kdb+ Engineer at Data Intellect

Shape the future of data-driven finance as a Lead Kdb+ Engineer with Data Intellect. Drive innovation and deliver high-performance solutions for top financial institutions in a hybrid work environment.Data Intellect seeks a Senior Kdb+ Engineer with over five years of experience to lead technical delivery on ...

Lead Manufacturing Engineer at Bio Techne

Join Bio-Techne as a Lead Manufacturing Engineer, where you will spearhead strategic process improvements and New Product Introductions. Focus on delivering excellence in clinical diagnostics tools.This role requires an adept leader who can guide cross-functional teams in enhancing manufacturing efficiency a ...

Lead Software QA Engineer at Everflow

Drive quality assurance initiatives as a Lead Software QA Engineer at Everflow. Oversee the automation roadmap while working on our innovative SaaS Partner Marketing platform.In this Senior SDET position, your expertise will guide the development of a robust quality assurance framework. You will be an essent ...

Hybrid Lead Software Engineer in AI

Transform AI technology at Thomson Reuters as a Lead Software Engineer. Blend strategy, development, and senior leadership to innovate in legal, tax, and compliance domains.In this hybrid role, you will spearhead cutting-edge AI solutions while collaborating with diverse teams. With over eight years of softw ...

Lead Engineer for Public Markets Technology

Empower public market strategies at CPP Investments as a Lead Software Engineer focusing on technology solutions. Contribute to sustainable growth through innovative engineering practices. As a key member of the Capital Markets and Factor Investing Technology team, you will be responsible for the technical ...

Lead Data Center Engineer Arcadis Canada

Shape the future of data centers as the Market Sector Lead at Arcadis, driving innovation and strategy. This role emphasizes both leadership and technical excellence in engineering.You will oversee the entire design and engineering process for data center projects, employing 15+ years of industry experience ...

Technical Lead Software Engineer Dynamics 365

Shape the future of software solutions at OSC as a Technical Lead Software Engineer focusing on Dynamics 365. Lead design and development efforts in a full-time capacity.In this pivotal role, you will report to the Technical Manager while guiding the development of customized Dynamics 365 applications. Your ...

Lead Software Engineer for Trading Systems

Transform trading platforms with innovative technology as a Lead Software Engineer in Toronto. Drive modernization initiatives using C++, SQL, and AWS to enhance performance and reliability.In this 6-month contract role, you'll lead efforts to modernize legacy trading systems within the Pension Fund industry ...

Lead Machine Learning Engineer at RBC

Step into the pivotal role of Lead Machine Learning Engineer with RBC, focusing on advanced AI applications in a high-performing team. Leverage your AI/ML expertise to drive innovation and deliver impactful solutions.This lead role requires a minimum of 5 years in software development, specializing in AI/ML ...

Lead Cloud Data Engineer at TCS

Elevate data engineering practices at Tata Consultancy Services in Toronto as a Lead Cloud Data Engineer. You'll design and optimize data pipelines while driving AWS innovations.Tata Consultancy Services is seeking a Principal Data Engineer to spearhead cloud-native frameworks on AWS. This role requires arch ...

Lead Machine Learning Engineer / Applied Scientist

We’re looking for a Lead Machine Learning Engineer / Scientist to join our Algorithms and Research team within the ML & AI organization. In this role, you will help shape the reinforcement learning systems that power high-impact experiences across Upwork, including Search & Recommendations and Uma, our AI ...

Lead Reliability Engineer for Azure Platforms

Join Manulife's team as a Lead Reliability Engineer, focusing on Azure Kubernetes Services and CI/CD processes in a hybrid environment. Drive platform efficiencies and best practices.In this director-level individual contributor role, you will advise Platform Services while directly managing platform roadmap ...

Electrical Engineer Team Lead at Kepler

Lead the engineering team at Kepler Communications as a Senior Electrical Engineer. Drive hardware development and foster collaboration while enjoying a range of employee benefits in this Toronto-based position.As a Senior Electrical Engineer and Team Lead, you will supervise a dedicated team while als ...

Lead Platform Engineer in Media Streaming

Take the lead in cloud infrastructure as a Principal Platform Engineer specialized in video streaming. This hands-on position with a premier financial client demands strong AWS and GCP knowledge.This senior-level role involves architecting, delivering, and enhancing cloud services crucial for robust me ...

Lead Software Engineer for Carta's Innovations

Shape the future of engineering at Carta as a Lead Software Engineer in Toronto, Ontario. Focus on innovative financial systems and be a champion for systematic improvements across the organization.This key position calls for a leader in software engineering with over 10 years of experience. You will o ...

Lead Machine Learning Engineer / Applied Scientist

We’re looking for a Lead Machine Learning Engineer / Scientist to join our Algorithms and Research team within the ML & AI organization. In this role, you will help shape the reinforcement learning systems that power high-impact experiences across Upwork, including Search & Recommendations and Uma, our AI assist ...

Machine Learning Software Engineer Team Lead

RBC Borealis is at the forefront of artificial intelligence research and development, driving the innovative edge for the Royal Bank of Canada (RBC). Our team is dedicated to advancing the science of AI, delivering cutting‑edge solutions that create substantial value for RBC and its customers. As part of RBC, yo ...

Lead Software Engineer for Trading Systems

Transform trading platforms with innovative technology as a Lead Software Engineer in Toronto. Drive modernization initiatives using C++, SQL, and AWS to enhance performance and reliability.In this 6-month contract role, you'll lead efforts to modernize legacy trading systems within the Pension Fund in ...

RBC Capital Markets Lead AI Engineer

Join RBC Capital Markets as a Lead AI Engineer to drive innovation through advanced AI solutions in a hybrid environment. Your skills in Generative AI and neural networks will be essential in transforming client engagement and sales productivity.In this pivotal role, you will design and develop sophist ...

Lead Automation Engineer for Quality Assurance

Enhance your career as a Lead Automation Engineer focused on quality assurance within our Digital Technology team. This role emphasizes the transition from traditional methods to robust automation.The successful candidate will bring a deep development background to advance code quality and foster compl ...

Lead Cloud Platform Engineer in Toronto

Elevate your career as a Lead Cloud Platform Engineer with emergiTEL in Toronto, focusing on large-scale cloud services and systems within the financial services sector.This permanent role involves combining operational support and systems engineering for highly available, scalable, and secure cloud se ...

Lead SaaS Backend Engineer at Kaseya

Elevate SaaS solutions with Kaseya Limited as a Senior Backend Engineer in Toronto, Ontario. You'll lead the design of innovative applications that incorporate AI and data-driven functionalities.This role focuses on building cutting-edge multi-tenant backend systems in a collaborative environment. With ...

Lead Space Systems Engineer at Kepler

Join Kepler Communications as a Lead Space Systems Engineer and drive innovation in space technologies. Play a crucial role in architecture and execution of spacecraft systems.This senior engineering position demands extensive experience in systems engineering to lead architectural initiatives and ensure mis ...

Lead Engineer at Sun Life Prospr

Become a Lead Engineer at Prospr within Sun Life, where you’ll address key engineering problems and shape the future of digital insurance solutions. Engage in a hybrid work environment maximizing flexibility.In this pivotal role, you will leverage over eight years of software engineering expertise to l ...

Lead Reliability Engineer for Azure Platforms

Join Manulife's team as a Lead Reliability Engineer, focusing on Azure Kubernetes Services and CI/CD processes in a hybrid environment. Drive platform efficiencies and best practices.In this director-level individual contributor role, you will advise Platform Services while directly managing platform r ...

Lead AI Engineer at Robots & Pencils

Join Robots & Pencils as a Lead AI Engineer and shape cutting-edge AI/ML systems. This pivotal role demands deep expertise, with a focus on design and production delivery.As a Staff AI Engineer, you will key technical leader guiding a cross-functional team in defining AI architecture, optimizing models ...

Senior Electrical Engineer Electrification & DER Lead

A leading consulting engineering firm in Ontario is looking for a Senior Electrical Engineer to lead electrification and DER integration projects. The role involves technical delivery and client engagement, supporting initiatives in various sectors including transportation and commercial. The ideal candidate sho ...

Project Engineer: Field Lead & Cost Control

A leading construction firm is seeking a Project Engineer in Toronto, Ontario. In this role, you will handle the technical and administrative aspects of projects, managing teams and ensuring compliance with safety regulations and specifications. The ideal candidate has a degree in a construction-related field, i ...

Principal Engineer: Lead Web Apps & Architecture

An innovative company is seeking a Principal Engineer to spearhead technical excellence in software development. This role involves leading the development of web applications, ensuring high standards through code reviews, and collaborating with engineering leadership to shape the product roadmap. You'll work wi ...

Lead Engineer for Linxon's Energy Projects

Experience a rewarding engineering career at Linxon as a Lead Engineer for Energy and Infrastructure Projects, located in Toronto, ON, with hybrid work flexibility. Focus on safety and cost-effective solutions.In this pivotal role, you will lead the engineering direction for a variety of projects, incl ...

Technical Lead Engineer Total Fund Management

Join CPP Investments as a Technical Lead Engineer, driving innovative solutions in Total Fund Management. Your expertise will help shape technology that empowers investment decisions.In this leadership role, you'll oversee the software development lifecycle for TFM, collaborating with various stakehold ...

Lead Quality Engineer with Data Expertise

Become a Lead Data Quality Engineer at our Toronto office, leading the charge in data integrity testing and validation strategies. This role demands a blend of technical skill and mentorship within a financial services framework.In this full-time position, you will spearhead the development of automate ...

Lead Software Engineer at Sun Life

Take your ETL skills to the next level as a Lead Software Engineer at Sun Life, specializing in Informatica Cloud. Engage in impactful projects while ensuring stability and performance across data environments.This role requires seasoned professionals with at least 7 years in full application development cyc ...

Lead Software Engineer at Sun Life

Elevate your career with Sun Life as a Lead Software Engineer in a hybrid environment. You will shape technology solutions that directly impact clients' lives through collaboration and innovation.In this hands-on leadership role, you'll drive product development from concept to production while navigating am ...

Lead Software Engineer for AI Systems

Become a pivotal force at Thomson Reuters as a Lead Software Engineer, specializing in AI systems. Drive the development of cutting-edge solutions that transform legal, tax, and compliance domains in a hybrid work environment.In this senior role, you will spearhead the architectural design and implementation ...

Lead Machine Learning Engineer at Upwork

Shape the future of AI at Upwork as a Lead Machine Learning Engineer in Toronto. Focus on reinforcement learning systems and enhance decision-making capabilities across our platforms.Upwork Inc. seeks a Lead Machine Learning Engineer to elevate our Algorithms and Research team within the ML & AI organization ...

Lead Power Engineer for SoC Innovation

Join Arm as a Senior Principal SOC Power Lead to spearhead advanced power analysis. Your expertise will drive power-efficient SoC solutions while mentoring the next generation of engineers.In this influential role, you'll guide a team to optimize pre- and post-silicon power convergence, fostering innovation ...

Lead Substation Engineer with GE Vernova

Take on a vital engineering role at GE Vernova as a Lead Substation Engineer for HV solutions. Ensure project success through technical leadership and innovative design.As the Lead Engineer, you will be the primary technical representative on HV substation projects, collaborating with stakeholders to m ...

Lead Security Engineer with AI Focus

Drive security innovation as a Lead Security Engineer at Hopper, integrating AI solutions to enhance application security and streamline development processes.As a Lead Security Engineer on Hopper's Security team, you will be central to developing systems that make security an automatic aspect of development ...

Lead Software Engineer in Cloud Solutions

Join Autodesk as a Lead Software Engineer focusing on Cloud Solutions. Innovate and drive product strategies while enhancing your leadership skills in a collaborative setting.In this role, you will be pivotal to Autodesk’s engineering practices, reporting to the Senior Director of Engineering. You'll engage ...

Lead Machine Learning Engineer / Applied Scientist

Upwork Inc.’s (Nasdaq: UPWK) family of companies connects businesses with global, AI-enabled talent across every contingent work type including freelance, fractional, and payrolled. This portfolio includes the Upwork Marketplace, which connects businesses with on-demand access to highly skilled talent acro ...

Lead Software Engineer Role at eBay

Step into a Lead Software Engineer position at eBay, utilizing your extensive experience in Java, GraphQL, and web application frameworks. Take ownership of system quality and innovative engineering.In this role, you will be responsible for the entire software life cycle, from design and development to testi ...

Lead Software Engineer, Front End UI

Become the Lead Software Engineer with illumin in Toronto, specializing in Front End UI development and digital advertising technologies. Your technical leadership will shape the future of our innovative platform.In this senior role, you’ll work extensively with cross-functional teams while driving critical ...

Lead Quality Engineer at Scribd, Inc.

Transform quality engineering practices at Scribd, Inc. as a Senior Engineer focusing on microfrontends and innovative AI integrations. Contribute to our evolving architecture with your expertise.Scribd, Inc. is in search of a Senior Software Engineer, Quality Engineering. This pivotal role involves scaling ...

Lead Data Platform Engineer at EPAM

Become a key player at EPAM as a Senior Data Platform Engineer, utilizing your Python skills to implement advanced data solutions on AWS. Focus on building high-performance data infrastructures.As a Senior Data Platform Engineer, you will be integral to constructing and optimizing data platforms, ensuring se ...

Lead Software Engineer AI Privacy Systems

Shape the future of privacy engineering with Rakuten Rewards as a Lead Software Engineer. This role involves creating AI-assisted, compliance-focused systems that safeguard user data.In the Bastion – Privacy team, you will provide pivotal technology leadership by ensuring implementation of privacy regulation ...

Lead Backend Systems Engineer at Noetica

Step into a key role at Noetica as a Lead Backend Systems Engineer, focusing on building powerful APIs in a hybrid work setting. Help shape our transformative legal document analysis tools.Your expertise will drive the development of backend systems that are critical to our document analysis platform. You wi ...

Lead Solutions Engineer Microsoft 365 Focus

Elevate your career as a Senior Solutions Engineer with a top Canadian energy organization focused on impactful technology. Design and develop solutions that optimize Microsoft 365 ecosystems for clean energy initiatives.In this role, you will spearhead development efforts using Power Apps, Power Automate, a ...

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