152,380+ Lead Fullstack Engineer Python Fastapi Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Area Lead & Project Engineer – Renewable Energy Delivery

A leading renewable energy company in Toronto is seeking a Project Engineer – Area Lead to oversee long-duration energy storage projects. The role involves collaborating with engineering teams to ensure safe and cost-effective project delivery. Ideal candidates have 7-10 years of experience in engineering and ar ...

Senior Bridge Inspection Engineer Lead Projects & Field

A leading engineering consulting firm in Toronto seeks an experienced Project Manager specializing in civil and structural engineering for managing large-scale transportation projects. The ideal candidate will oversee inspections, lead design efforts, and ensure high-quality delivery of services across Canada. C ...

Senior Software Engineer & Tech Lead (Full Stack)

A technology firm in Toronto is seeking a Principal Software Engineer with at least 8 years of experience to lead application development. This role involves building solutions using modern technologies like React and Node.js, mentoring other developers, and collaborating across teams. The ideal candidate will h ...

Senior Lead Security Engineer (Splunk & Cloud SIEM)

OverviewSenior Lead Security Engineer (Splunk & Cloud SIEM) – This role is a high-level engineering position that sits at the intersection of Big Data (Splunk) and Cloud Infrastructure, requiring a candidate who can build the eyes of a security operations center. Key Skills SpotlightSplunk ...

Lead Design Systems Engineer React/TS, Hybrid

A global leader in financial services is seeking a Lead Developer for Design Systems to evolve their design system. This role involves building reusable UI components using React, maintaining cross-browser compatibility, and contributing to back-end services. The ideal candidate has over 5 years of experience in ...

Water/Wastewater Process Engineer — Hybrid, Lead Projects

A global infrastructure consulting firm in Toronto is seeking a Process Engineer - Water/Wastewater. This role involves designing municipal servicing projects like sewage pumping stations, coordinating with clients and agencies, and ensuring project quality. Ideal candidates have a Bachelor's Degree in Engineeri ...

Senior QA Engineer — Automation, API & UAT Lead

A leading bank in the Americas is seeking a skilled QA Analyst in Toronto to ensure the quality of application deliverables. The role requires 5+ years of test automation experience, particularly with Selenium and API testing. You will collaborate with development teams to enhance product quality throughout the ...

Senior ADMS Lead Engineer Systems Delivery Expert

A leading engineering firm in Toronto, Ontario, is looking for an ADMS Lead. This role involves providing guidance on projects and ensuring system readiness across various ADMS workstreams. Candidates should have 10-15 years of experience with ADMS/OMS implementations and a strong ability to resolve complex issu ...

Senior Structural Engineer – Lead Design & Mentoring (Hybrid)

A leading engineering firm is seeking a Senior Structural Engineer in Toronto. This role involves leading design teams, conducting engineering calculations, and ensuring project delivery timelines are met. Candidates should have over 8 years of structural engineering experience, a relevant degree, and P. Eng. li ...

Lead Electrical Engineer — Traffic Signals & Roadway Lighting

A leading engineering firm in Ontario is seeking a Lead Electrical Engineer specializing in Traffic Signals. You will oversee the design and implementation of electrical systems, mentor junior staff, and ensure compliance with industry standards. Ideal candidates will possess a Bachelor's in Electrical Engineeri ...

Senior AI Engineer – LLM & AI Agent Lead

A leading incident management platform is seeking a Senior AI Engineer to lead the development of an AI-driven reliability assistant. The role involves developing cutting-edge features powered by AI, leveraging existing technologies. Candidates should have over 5 years of backend engineering experience and famil ...

Senior Software Engineer Platform Architect & Tech Lead

A leading Canadian financial firm is seeking a Senior Software Engineer to define the technical direction of their evolving platform. This position demands mastery of Python and TypeScript, system design capabilities, and a passion for mentorship. As part of a culture that values respect and innovation, you'll i ...

Senior Systems Engineer: Lead Complex Infrastructure Projects

A fast-growing technology firm in Toronto is seeking a Senior Systems Engineer to ensure the delivery and maintenance of core infrastructure. The role involves designing Windows Server environments, leading infrastructure projects including migrations and cloud transitions, and optimizing systems. Candidates sho ...

Senior Software Engineer Architecture Lead, Hybrid/Remote

A global data and insights firm in Toronto is looking for a Senior Software Engineer to design and implement systems that support its products and internal operations. The role involves end-to-end ownership of complex features and mentoring fellow engineers. The ideal candidate has significant experience in soft ...

Lead AI Engineer CRE SaaS & LLM Architect

A leading SaaS provider in Toronto is seeking a seasoned AI Architect to spearhead the development of advanced AI and machine learning features for a commercial real estate platform. This role requires a balance of technical leadership and hands-on development, focusing on LLM integrations and domain-specific mo ...

Senior Site Reliability Engineer – Cloud & Automation Lead

A leading supply chain solutions provider is seeking a Site Reliability Engineer to optimize and ensure the reliability of their cloud infrastructure across AWS and Kubernetes. This role emphasizes automation, incident management, and continuous improvement. Candidates should have at least 5 years of experience ...

Airport Civil Engineer: Pavement & Design Lead (Hybrid)

A leading engineering firm in Canada is seeking an experienced civil engineer specializing in airport infrastructure projects. The successful candidate will have a minimum of 7 years' experience and provide expertise in airside civil design and construction. Responsibilities include ensuring compliance with desi ...

Senior Software Engineer API, Microservices & RPA Lead

A technology solutions provider located in Toronto, Canada, is seeking a Senior Software Developer to design and implement advanced software solutions. The ideal candidate will possess extensive experience in Java, microservices, and Power Automate, with a strong ability to develop APIs and modern web applicatio ...

Senior Full Stack AI Engineer — Lead Architecture

A leading travel technology company is seeking a Staff Full Stack Engineer to design and build AI-driven chat experiences. This role involves collaboration with engineers, data scientists, and product managers to innovate travel planning solutions. The ideal candidate will have over 8 years of software engineeri ...

Lead Full Stack Engineer at Stan AI

Become the Engineering Team Lead at Stan AI, guiding an agile team in creating AI-enhanced property management software. This role demands hands-on development and inspiring leadership within a cutting-edge environment.As the lead for your team of 2-3 engineers, you'll play a vital part in both coding and ma ...

Lead Full Stack Engineer at Stan AI

Become the Engineering Team Lead at Stan AI, guiding an agile team in creating AI-enhanced property management software. This role demands hands-on development and inspiring leadership within a cutting-edge environment.As the lead for your team of 2-3 engineers, you'll play a vital part in both coding ...

Lead Data Engineer, Cloud Platforms at Citco

Advance your career as a Lead Data Engineer at Citco, specializing in Databricks and cloud data solutions. Help shape the future of data engineering in a collaborative environment.You will manage and lead a team of data engineers at Citco, focusing on developing and optimizing data platforms that drive busin ...

Senior Tailings Engineer Lead TSF Design (Remote)

A leading engineering consulting firm in Quebec is looking for an experienced engineer specializing in mine tailings management. The successful candidate will contribute to complex projects, providing technical leadership and developing business opportunities. Applicants should have a Master's degree in Civil or ...

Lead Engineer for AI Systems at Upwork

Enhance data-driven decision-making as a Lead Engineer for AI Systems at Upwork in Toronto. Utilize advanced AI capabilities to drive business impact. In this role, you'll be part of the Data Platform & Services (DPS) team, designing and deploying agentic frameworks and natural language querying capabilities ...

Lead Engineer for AI Systems at Upwork

Enhance data-driven decision-making as a Lead Engineer for AI Systems at Upwork in Toronto. Utilize advanced AI capabilities to drive business impact.In this role, you'll be part of the Data Platform & Services (DPS) team, designing and deploying agentic frameworks and natural language querying capabil ...

Lead Data Engineer, Cloud Platforms at Citco

Advance your career as a Lead Data Engineer at Citco, specializing in Databricks and cloud data solutions. Help shape the future of data engineering in a collaborative environment.You will manage and lead a team of data engineers at Citco, focusing on developing and optimizing data platforms that drive ...

Lead AI Inference Engineer at Thomson Reuters

Join Thomson Reuters as a Lead AI Inference Engineer in a flexible hybrid setting. Enhance AI workloads and contribute to high-performance deployments across cloud environments.This senior role involves optimizing and scaling inference models for various applications. You will work closely with cross-f ...

Lead Full Stack Engineer Global Wealth Management

Drive innovation as a Lead Full Stack Engineer in Toronto's Global Wealth Management Technology team. Your expertise in Java, Microservices, and distributed systems will empower scalable applications.In this leading role, you will utilize over 8 years of software engineering experience to design and maintain ...

Thomson Reuters Lead Software Engineer, AI (Toronto)

Overview Become a vital part of Thomson Reuters as a Lead Software Engineer focusing on AI. Drive forward innovative solutions while enjoying the benefits of a flexible hybrid work model tailored for optimal performance and engagement. We are looking for a motivated individual with signif ...

Lead Mechanical Engineer Denver, Calgary, Toronto, Vancouver

Ausenco is a fast-growing company with big ideas. We redefine what’s possible in some of the world’s most complex projects and toughest environments. Delivering innovative, value-add consulting, project delivery, asset operations and maintenance solutions is what we do. From 26 offices in 15 countries, wit ...

Sr. Machine Learning Product Engineer – Tech Lead

We are looking for experienced Senior Machine Learning Product Engineers (Sr. MLPE) who have worked under tight deadlines and on challenging tasks. The ideal candidate is a master of coding and system design. They also are experts in data engineering and/or machine learning. The candidate will be th ...

Senior Software Engineer, Global Markets Platform Lead

A leading financial technology company is seeking a Senior Engineer to design and maintain systems that empower millions of users. This role requires proven experience in financial systems and the ability to architect scalable solutions. Remote work is offered, fostering diverse collaboration in a global team en ...

Lead Software Engineer / Head of Software Architecture

Lead Software Engineer / Head of Software Architecture Lead Software Engineer / Head of Software Architecture 6 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. We are seeking an experienced Lead Software Engineer or Head ...

Senior Software Engineer Architecture Lead, Hybrid/Remote

A global data and insights firm in Toronto is looking for a Senior Software Engineer to design and implement systems that support its products and internal operations. The role involves end-to-end ownership of complex features and mentoring fellow engineers. The ideal candidate has significant experience in soft ...

Senior Full Stack Engineer & Tech Lead – SaaS

A leading software development company is seeking a talented full stack software engineer in Toronto to build scalable SaaS applications. The ideal candidate will have 2+ years of experience, expertise in Ruby on Rails and/or Java, and a strong understanding of the full software development lifecycle. This role ...

Lead Frontend Software Engineer for Digital Solutions

Shape the future of web applications as a Lead Frontend Software Engineer. Focus on architecture, mentorship, and delivery of high-quality applications within a collaborative team environment.This role combines strategic influence with hands-on leadership, aiming to mentor engineers and uphold coding standar ...

Senior Frontend Engineer (Full Stack, Frontend Lead)

Design, develop, and maintainscalable, secure, and accessible cloud‑based applicationssupporting business‑critical digital experiences. The role contributes across thefull software development lifecycle , from translating business requirements into technical designs through developm ...

Senior Data & AI Engineer GenAI & MLOps Lead

A leading healthcare company in Toronto is looking for a Data Engineering Lead to oversee the design and implementation of data pipelines and AI workflows. The ideal candidate will have strong experience in Snowflake, Airflow, and a background in healthcare data. Responsibilities include collaborating with busin ...

Senior Security Engineer – Ethical Hacker & SIEM Lead

A leading education investment company in Toronto is looking for a Security Engineer (Ethical Hacker) to manage security infrastructure and enhance compliance with ISO27001 and SOC2 standards. The ideal candidate will have 6-10 years of InfoSec experience, and should be skilled in addressing security breaches, a ...

Azure Cloud Engineer – Landing Zones & Security Lead

A leading cloud consulting company in Ontario is seeking a Senior Cloud Engineer specializing in Microsoft Azure. This critical role involves designing and hardening cloud solutions, automating infrastructure, and working closely with business leaders. The ideal candidate has extensive experience with Azure tech ...

Staff Software Engineer — Lead Scalable Cloud Solutions

An established industry player is seeking a driven individual to join their innovative team in Toronto. This role involves tackling business challenges with creative solutions, championing engineering excellence, and collaborating with diverse teams to enhance customer experiences. You will have the autonomy to ...

Senior Site Reliability Engineer – Cloud & Automation Lead

A leading supply chain solutions provider is seeking a Site Reliability Engineer to optimize and ensure the reliability of their cloud infrastructure across AWS and Kubernetes. This role emphasizes automation, incident management, and continuous improvement. Candidates should have at least 5 years of experience ...

Senior Software Engineer Lead Scalable Platform (Remote)

A dynamic tech start-up in Canada is seeking a Senior Software Engineer to play a crucial role in developing and maintaining their innovative platform. This position requires 5+ years of development experience and includes leading technical initiatives, mentoring junior engineers, and collaborating closely with ...

Principal Engineer, Apps Lead Cross Platform Streaming

A leading tech company in Toronto is seeking a Principal Engineer to lead the cross-functional client engineering team for a high-performance video streaming platform. The ideal candidate will have over 10 years of software engineering experience, with deep expertise in mobile and web development, and a passion ...

Senior Structural Project Engineer: Lead Complex Structures

A global engineering firm is seeking a Senior Structural Project Engineer to tackle complex challenges and innovate in design. The role involves applying advanced engineering concepts, mentoring junior engineers, and collaborating with clients and industry experts. Ideal candidates will have a Bachelor’s degree ...

Senior Software Engineer — Lead & Build Scalable Platforms

An established industry player is seeking a talented Software Engineer to join their innovative team. In this role, you will write clean, testable code and lead projects that drive the company's success. You'll collaborate with diverse teams to translate business needs into effective technical solutions while me ...

Lead Full‑Stack Data Science & AI Engineer

A leading global financial institution is seeking a seasoned analytics professional to join their team in Toronto. This role involves translating complex data into actionable insights, leading AI/ML implementations, and collaborating with cross-functional teams to enhance business strategies. Ideal candidates wi ...

Lead 4th Class Engineer – Polar Expedition Vessels

A maritime exploration company based in Canada is seeking a 4th class Engineer to oversee fleet operations, ensuring the safety and success of luxury deep-sea expeditions. Ideal candidates should have at least 10 years of relevant experience, including operations in polar regions. Responsibilities include leadin ...

Senior Structural Engineer Lead Innovative Infrastructure Projects

A leading engineering consulting firm in Toronto is seeking an experienced Structural Engineer to lead project teams in designing and managing structural projects. The ideal candidate will have over 10 years of design experience, be licensed as a Professional Engineer in Ontario, and possess strong communication ...

Senior Tailings Engineer Lead TSF Design (Remote)

A global consulting engineering firm in Montreal is seeking an experienced engineer in mine tailings management to lead complex projects and drive business development. This role requires a Master's degree, 15+ years of relevant experience, and strong leadership and communication skills in both French and Englis ...

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