142,681+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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C++ Senior Engineer Role at TMX

Pursue your passion in software development at TMX as a Senior Engineer focused on C++. Enjoy a hybrid work structure that promotes flexibility and productivity in the Toronto area.TMX is seeking a versatile Senior Software Engineer for the DataXchange Squad. You will lead efforts in developing C++ applicati ...

Senior Full Stack Engineer at Questrade

Embark on a transformative journey with Questrade as a Senior Full Stack Engineer in North York, Ontario. Harness your expertise in NodeJS and Angular to drive innovation in fintech.As a Principal Full Stack Engineer, you will lead the design and delivery of complex systems within your squad's portfolio. Wit ...

Senior Full Stack Engineer at Questrade

Embark on a transformative journey with Questrade as a Senior Full Stack Engineer in North York, Ontario. Harness your expertise in NodeJS and Angular to drive innovation in fintech.As a Principal Full Stack Engineer, you will lead the design and delivery of complex systems within your squad's portfoli ...

C++ Senior Engineer Role at TMX

Pursue your passion in software development at TMX as a Senior Engineer focused on C++. Enjoy a hybrid work structure that promotes flexibility and productivity in the Toronto area.TMX is seeking a versatile Senior Software Engineer for the DataXchange Squad. You will lead efforts in developing C++ app ...

Principal Quality Engineer at Questrade

Drive quality assurance excellence at Questrade Financial Group as a Principal Quality Engineer. This hybrid position focuses on impactful software testing strategies using AI-driven tools every day.As a Principal Quality Engineer, you will craft quality systems for over 80 production services at Quest ...

Experienced Backend Engineer Remote Options

Advance as an Experienced Backend Engineer with flexible working options. Drive impactful software development while mentoring fellow engineers in a cloud-based environment.This role offers an opportunity to design and enhance backend services that are pivotal for modern applications. You will lead the effor ...

Experienced Backend Engineer Remote Options

Advance as an Experienced Backend Engineer with flexible working options. Drive impactful software development while mentoring fellow engineers in a cloud-based environment.This role offers an opportunity to design and enhance backend services that are pivotal for modern applications. You will lead the effor ...

Experienced Backend Engineer Remote Options

Advance as an Experienced Backend Engineer with flexible working options. Drive impactful software development while mentoring fellow engineers in a cloud-based environment.This role offers an opportunity to design and enhance backend services that are pivotal for modern applications. You will lead the effor ...

Experienced Backend Engineer Remote Options

Advance as an Experienced Backend Engineer with flexible working options. Drive impactful software development while mentoring fellow engineers in a cloud-based environment.This role offers an opportunity to design and enhance backend services that are pivotal for modern applications. You will lead the effor ...

Experienced Backend Engineer Remote Options

Advance as an Experienced Backend Engineer with flexible working options. Drive impactful software development while mentoring fellow engineers in a cloud-based environment.This role offers an opportunity to design and enhance backend services that are pivotal for modern applications. You will lead the effor ...

Experienced Backend Engineer Remote Options

Advance as an Experienced Backend Engineer with flexible working options. Drive impactful software development while mentoring fellow engineers in a cloud-based environment.This role offers an opportunity to design and enhance backend services that are pivotal for modern applications. You will lead the effor ...

Software Dev Engineer II, Measurement, Ad Tech, and Data Science (MADS)

Are you passionate about Big Data and Distributed Systems to build customer trust and grow new business? Interested in building new state-of-the-art products at Petabyte scale? Global advertisers rely on our team's performance insights to drive future investment in Amazon's Advertising Platform and improve the r ...

Software Dev Engineer II, Measurement, Ad Tech, and Data Science (MADS)

DescriptionAre you passionate about Big Data and Distributed Systems to build customer trust and grow new business? Interested in building new state-of-the-art products at Petabyte scale? Global advertisers rely on our team's performance insights to drive future investment in Amazon's Advertising Platform an ...

Software Dev Engineer II, Measurement, Ad Tech, and Data Science (MADS)

Description Are you passionate about Big Data and Distributed Systems to build customer trust and grow new business? Interested in building new state‑of‑the‑art products at petabyte scale? Global advertisers rely on our team's performance insights to drive future investment in Amazon's Advertising Platform and i ...

Software Engineer (KDB+/Q) Up to $340,000 + Bonus + Package (Toronto, Canada)

The Opportunity Join one of the world’s leading trading firms as a KDB+/Q Developer, building next-generation research and analytics platforms that power real-time trading across global markets.You’ll operate at the intersection of data, technology, and trading — engineering high-performance, low-laten ...

Software Engineer II (COBOL, JCL, VSAM, TSO, ISPF, IMS DC/DB)

**Work Location:** Toronto, Ontario, Canada **Hours:** 37.5 **Line of Business:** Technology Solutions **Pay Details:** $81,600 - $115,200 CAD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Grow ...

Software Engineer II (COBOL, JCL, VSAM, TSO, ISPF, IMS DC/DB)

**Work Location:** Toronto, Ontario, Canada **Hours:** 37.5 **Line of Business:** Technology Solutions **Pay Details:** $81,600 - $115,200 CAD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Grow ...

Software Engineer II (COBOL, JCL, VSAM, TSO, ISPF, IMS DC/DB)

**Work Location:** Toronto, Ontario, Canada **Hours:** 37.5 **Line of Business:** Technology Solutions **Pay Details:** $81,600 - $115,200 CAD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Grow ...

Software Engineer II (COBOL, JCL, VSAM, TSO, ISPF, IMS DC/DB)

**Work Location:** Toronto, Ontario, Canada **Hours:** 37.5 **Line of Business:** Technology Solutions **Pay Details:** $81,600 - $115,200 CAD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Grow ...

Software Engineer II (COBOL, JCL, VSAM, TSO, ISPF, IMS DC/DB)

**Work Location:** Toronto, Ontario, Canada **Hours:** 37.5 **Line of Business:** Technology Solutions **Pay Details:** $81,600 - $115,200 CAD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Grow ...

Software Engineer II (COBOL, JCL, VSAM, TSO, ISPF, IMS DC/DB)

**Work Location:** Toronto, Ontario, Canada **Hours:** 37.5 **Line of Business:** Technology Solutions **Pay Details:** $81,600 - $115,200 CAD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Grow ...

Software Engineer II (COBOL, JCL, VSAM, TSO, ISPF, IMS DC/DB)

**Work Location:** Toronto, Ontario, Canada **Hours:** 37.5 **Line of Business:** Technology Solutions **Pay Details:** $81,600 - $115,200 CAD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Grow ...

Technical Lead / Lead Developer

Location: Toronto, Canada (Remote for now; hybrid 2days/week in future) Job Summary We are seeking a hands‑on Technical Lead with strong development experience and the ability to independently manage client discussions, solutioning, and end-to-end project execution. The ideal candid ...

Technical Lead / Lead Developer

Location: Toronto, Canada (Remote for now; hybrid 2days/week in future) Job Summary We are seeking a hands‑on Technical Lead with strong development experience and the ability to independently manage client discussions, solutioning, and end-to-end project execution. The ideal candid ...

QA Lead /Test Lead

QA Lead / Test Lead Dawn InfoTekInc is seeking an experienced QA Lead / Test Lead to work at our client’s and our office locations. This role focuses on ensuring the quality, security, and functionality of online banking applications . You will serve as the primary ...

QA Lead /Test Lead

QA Lead / Test Lead Dawn InfoTekInc is seeking an experienced QA Lead / Test Lead to work at our client’s and our office locations. This role focuses on ensuring the quality, security, and functionality of online banking applications . You will serve as the primary ...

Technical Lead / Lead Developer

Location:Toronto, Canada (Remote for now; hybrid 2days/week in future) Job SummaryWe are seeking a hands‑on Technical Lead with strong development experience and the ability to independently manage client discussions, solutioning, and end-to-end project execution. The ideal candidate has grow ...

Technical Lead / Lead Developer

Location: Toronto, Canada (Remote for now; hybrid 2days/week in future) Job Summary We are seeking a hands‑on Technical Lead with strong development experience and the ability to independently manage client discussions, solutioning, and end-to-end project execution. The ideal candid ...

Senior AI Engineer Remote

We are seeking an experienced Senior AI Engineer to join our team. The ideal candidate will have a strong background in implementing AI models, analyzing and improving existing AI architectures, and providing expertise on AI capabilities and systems. Senior AI Engineer - Remote (Toronto, Ontario, C ...

Senior AI Engineer Remote

We are seeking an experienced Senior AI Engineer to join our team. The ideal candidate will have a strong background in implementing AI models, analyzing and improving existing AI architectures, and providing expertise on AI capabilities and systems. Senior AI Engineer - Remote (Toronto, Ontario, C ...

Senior AI Engineer Remote

We are seeking an experienced Senior AI Engineer to join our team. The ideal candidate will have a strong background in implementing AI models, analyzing and improving existing AI architectures, and providing expertise on AI capabilities and systems. Senior AI Engineer - Remote (Toronto, Ontario, C ...

Senior AI Engineer Remote

We are seeking an experienced Senior AI Engineer to join our team. The ideal candidate will have a strong background in implementing AI models, analyzing and improving existing AI architectures, and providing expertise on AI capabilities and systems.Senior AI Engineer - Remote (Toronto, Ontario, Canada ...

Founding Staff Engineer & Team Builder — AI SaaS (Toronto)

A leading AI-native SaaS startup in Toronto is looking for a hands-on Lead Software Engineer to help build its new engineering team and architecture from the ground up. This role is ideal for a seasoned professional with over 10 years in software engineering, including substantial technical leadership experience ...

Founding Staff Engineer & Team Builder — AI SaaS (Toronto)

A leading AI-native SaaS startup in Toronto is looking for a hands-on Lead Software Engineer to help build its new engineering team and architecture from the ground up. This role is ideal for a seasoned professional with over 10 years in software engineering, including substantial technical leadership experience ...

Founding Staff Engineer & Team Builder — AI SaaS (Toronto)

A leading AI-native SaaS startup in Toronto is looking for a hands-on Lead Software Engineer to help build its new engineering team and architecture from the ground up. This role is ideal for a seasoned professional with over 10 years in software engineering, including substantial technical leadership experience ...

Founding Staff Engineer & Team Builder — AI SaaS (Toronto)

A leading AI-native SaaS startup in Toronto is looking for a hands-on Lead Software Engineer to help build its new engineering team and architecture from the ground up. This role is ideal for a seasoned professional with over 10 years in software engineering, including substantial technical leadership experience ...

AI Native Solutions Engineer, Finance Transformation & Solution Architecture

What is the opportunity?We are seeking a highly skilled and experienced Lead Linux Engineer to spearhead the migration of our core systems from a traditional mainframe (z/OS, DB2, COBOL) environment to a modern, scalable, and flexible Linux‑based platform. We are building a new stack that embraces mode ...

Toronto Senior SCADA Engineering Role

Explore a rewarding career with Hitachi Rail as a Senior SCADA Engineer in Toronto, Ontario. This full-time position integrates technical expertise in advanced SCADA systems within transportation infrastructure.As a Senior SCADA Engineer, your role will focus on analyzing system specifications, ensuring they ...

Senior Automation Engineer AI Solutions

Lead the charge in AI-driven automation as a Senior Automation Engineer in Toronto. Innovate with advanced automation solutions and mentor the next generation of engineers at CNB.In this Principal Engineer capacity, you will design and implement enterprise-scale RPA solutions and AI technologies, focus ...

Senior Engineer for Interactive Web Tools

Transform self-driving technology as a Senior Engineer for Interactive Web Tools at Waabi. Drive impactful user-centered applications while mentoring fellow engineers.Waabi, at the forefront of AI in autonomous driving, is seeking a Senior Engineer to lead technical projects and mentor team members. Th ...

Hybrid Senior AI Engineer in Toronto

Exciting opportunity for a Senior AI Engineer focused on Generative AI. Join our Toronto team hybrid role to enhance and deploy innovative AI solutions.We seek a highly skilled Senior AI Engineer with over 7 years of relevant experience. This role emphasizes expertise in Generative AI, backend systems, ...

Transportation Engineer: Mobility and Safety Expert

Enhance community connectivity as a Transportation Design Engineer. Lead efforts in delivering projects that focus on safety and sustainability through effective design and analysis.You will play a critical role in shaping transportation design solutions that support municipal infrastructure across Ontario. ...

Structural Engineer Career at Cementation

Advance your career with Cementation as a Structural Engineer, delivering exceptional designs for mining projects across Canada. This full-time position emphasizes safety, mentoring, and innovative engineering solutions.As a Structural/Civil Engineer at Cementation, you will be vital in leading the design pr ...

Transportation Engineer: Mobility and Safety Expert

Enhance community connectivity as a Transportation Design Engineer. Lead efforts in delivering projects that focus on safety and sustainability through effective design and analysis.You will play a critical role in shaping transportation design solutions that support municipal infrastructure across Ontario. ...

Toronto Senior SCADA Engineering Role

Explore a rewarding career with Hitachi Rail as a Senior SCADA Engineer in Toronto, Ontario. This full-time position integrates technical expertise in advanced SCADA systems within transportation infrastructure.As a Senior SCADA Engineer, your role will focus on analyzing system specifications, ensuring they ...

Senior Environmental Engineer at TBT Engineering

Drive impactful environmental projects with TBT Engineering as a Senior Environmental Engineer. Leverage your expertise to lead site assessments, remediation, and compliance in a full-time capacity.TBT Engineering seeks a Senior Environmental Engineer to oversee diverse projects in environmental science and ...

Senior Product Security Engineer at Faire

Enhance security frameworks as a Senior Product Security Engineer at Faire. Drive design and automation for secure applications, partnering with various engineering teams to mitigate risks effortlessly.As a Staff Engineer in Product Security, you’ll lead initiatives that integrate security deeply into Faire’ ...

Senior Mechanical Engineer Leading Innovations in Energy Solutions

Drive the future of renewable energy as a Senior Mechanical Engineer specializing in power generation. Collaborate with an innovative team focused on tackling complex energy challenges.As part of a dedicated Energy team, you will lead substantive mechanical engineering efforts to design and implement s ...

Toronto Senior SCADA Engineering Role

Explore a rewarding career with Hitachi Rail as a Senior SCADA Engineer in Toronto, Ontario. This full-time position integrates technical expertise in advanced SCADA systems within transportation infrastructure.As a Senior SCADA Engineer, your role will focus on analyzing system specifications, ensurin ...

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    Lead Software Engineer Pythonreact Jobs in Toronto Job Search Guide, Trends and Insights